Oxygen System

SERVICE MANUALMODEL 4000

CAIRE Inc.
2200 Airport Industrial Dr., Ste 500
Ball Ground, GA 30107
www.caireinc.com
Copyright © 2022 CAIRE Inc.. CAIRE Inc. reserves the right to discontinue its products, orchange the prices, materials, equipment, quality, descriptions, specifications and/or processes
to its products at any time without prior notice and with no further obligation or consequence. All
rights not expressly stated herein are reserved by us, as applicable.
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WARNING: DO NOT OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING THIS MANUAL. IF
YOU ARE UNABLE TO UNDERSTAND THE WARNINGS AND INSTRUCTIONS, CONTACT YOUR EQUIPMENT PROVIDERBEFORE ATTEMPTING TO USE THIS EQUIPMENT; OTHERWISE, INJURY OR DAMAGE MAY RESULT.

DEFINITION OF SYMBOLS PAGE / WARNING PAGEWARNING: INDICATES A HAZARDOUS SITUATION THAT, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS
INJURY.
CAUTION: Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.

NOTE: Indicates information considered important, but not hazard-related (e.g. messages relating to property damage).

SYMBOLS USED IN THE OPERATION OF SAROS
Symbols are frequently used on equipment in preference to words with the intention of reducing any possibility of misunderstanding caused by language differences. Symbols can also permit easier comprehension of a concept within a restricted space.
ISO 7000; GRAPHICAL SYMBOLS FOR USE ON
EQUIPMENT—INDEX AND SYNOPSIS
Portable operating temperature is -10C to 40C.
Base operating temperature range is 10C-40C.
Reg. # 0632
Portable humidity range is 15 to 90%. Basehumidity range is 30 to 75%. Reg. #2620

Do not smoke near unit or while operating
unit. Reg. # P002

Atmospheric pressure limitation. Reg. # 2621

Type BF applied part (degree of protection
against electric shock). Reg. # 5333

Keep away from rain, keep dry. Reg. # 0626

Warning. Reg. # W001

Name and address of manufacturer. Reg. #3082

The instruction manual must be read. Reg. #M002

Date of Manufacture. Reg. #2497
Caution, consult accompanying documents.
Reg. # 0434A
Catalog Number. Reg. # 2493
Serial Number. Reg. # 2498
This way up. Reg. # 0623
Fragile, handle with care. Reg. # 0621

Stacking height. Reg #2403
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ISO 7010: GRAPHICAL SYMBOLS—SAFETY COLORS AND
SAFETY SIGNS—REGISTERED SAFETY SIGNSKeep away from open flame, fire, sparks.
Open ignition source and smoking prohibited.
Reg. # P003

IEC 60417: GRAPHICAL SYMBOLS FOR USE
ON EQUIPMENT
IEC Icon for DC Power (Input) Indicatesequipment providing a particular degree ofprotection against electric shock, particularly
regarding: Allowable leakage current; Reliability of a proper ground connection. Reg.
#5031
Alternating Current (AC). Reg # 5032
COUNCIL DIRECTIVE 93/42/EEC; CONCERNING
MEDICAL DEVICES
If the product unique device identifier (UDI)
label has the CE#### symbol on it, thedevice complies with the requirements of
Directive 93/42/EEC concerning medical devices. The CE#### symbol indicates notified
body number.

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INTERNAL SYMBOLS

O2Keep away from flammable materials, oil andgrease.
Oxygen Output; The port from which the
Oxygen flows and where the tubing orinterface(standard nasal cannula) is connected.
Amperes (Current)
Alert (Yellow) Indicator*: When illuminated,
this indicates an awareness condition or
Caution.
ON/OFF (Standby); Powers the device ON
or OFF, but does not directly disconnect themain power.
Increase Flow Setting; Increases the flow
setting by 1.0 LPM increments or by 1 pulse
setting each time the button is pressed.
Decrease Flow Setting; Decreases the flow
setting by 1.0 LPM increments or by 1 pulse
setting each time the button is pressed.
Activates either Continuous Flow Mode or
Pulse Flow Mode Operation.

COUNCIL DIRECTIVE 2012/19/EU: WASTE ELECTRICAL AND
ELECTRONIC EQUIPMENT (WEEE)
WEEE
IEC 60601-1: MEDICAL ELECTRICAL EQUIPMENT PART 1: GENERAL REQUIREMENTS FOR BASIC SAFETY AND
ESSENTIAL PERFORMANCEClassification; Class II Equipment, double
insulated.
Protected from tools and wires greater than
2.5 millimeters, Protected from water sprayless than 60 degrees from vertical.
*Alarms for the SAROS are considered information-only
signals.
This product may be covered by one or more patents, US andinternational. Please visit our website below for the listing of
applicable patents. Pat.: www.caireinc.com/corporate/patents/.

Utility; The Button that activates a utility
menu to access information or to change
settings.
External Power is Present Indicator; Indicatesthe presence of external power.
Battery Status Indicator; Shows the amountof charge remaining in the battery. Whencharging, battery displays as a “Waterfall”
Effect.
“Alarm Off” indicator displayed during
Tactical Mode.
21 CFR 801.15: CODE OF FEDERAL REGULATIONS TITLE 21
Federal law restricts this device to sale by oron the order of a physician.

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TABLE OF CONTENTS
INDICATIONS FOR USE.......................................................................................................................................................................................7
INDICATIONS........................................................................................................................................................................................................7
CONTRAINDICATIONS.........................................................................................................................................................................................8
SAFETY GUIDELINES....................................................................................................................................................................................8
BATTERY SAFETY..........................................................................................................................................................................................9
1.0 THEORY OF OPERATION.............................................................................................................................................................................11
2.0 OPERATOR MAINTENANCE & SERVICE....................................................................................................................................................16
2.1 CLEANING THE SAROS ........................................................................................................................................................................16
2.2 ROUTINE MAINTENANCE .....................................................................................................................................................................16
2.3 SAROS PERFORMANCE VERIFICATION TEST....................................................................................................................................18
3.0 ALERTS, ALARMS, AND TROUBLESHOOTING TABLE............................................................................................................................20
3.1 SYSTEM TROUBLESHOOTING GUIDE.................................................................................................................................................21
4.0 REPROGRAMMING/CALIBRATION.............................................................................................................................................................22
5.0 SHIPPING AND TRANSPORTING THE SAROS..........................................................................................................................................22
6.0 STORING AND DISCARDING THE SAROS.................................................................................................................................................22
7.0 OVERHAUL & REPAIR.................................................................................................................................................................................23
7.1 TOOLS AND TEST EQUIPMENT............................................................................................................................................................23
7.2 MAINTENANCE AND SERVICE PARTS.................................................................................................................................................23
7.3 REPROGRAMMING AFTER OVERHAUL AND REPAIR PROCEDURES..............................................................................................24
7.4 SAROS MAIN COMPONENTS................................................................................................................................................................24
7.5 COMPREHENSIVE TROUBLESHOOTING GUIDE................................................................................................................................25
7.6 REMOVAL PROCEDURES......................................................................................................................................................................27
7.6.1 BATTERY INTERFACE PLATE, RAIN GUARD, AND SLEEVE............................................................................................................27
7.7.2 INLET CAP REMOVAL..........................................................................................................................................................................28
7.7.3 REMOVE PCB ASSEMBLY..................................................................................................................................................................30
7.7.4 PROPORTIONAL VALVE REMOVAL (5293-SEQ)...............................................................................................................................32
7.7.5 COMPRESSOR FAN REMOVAL (9767-SEQ)......................................................................................................................................33
7.7.6 BATTERY CABLE REMOVAL (21494875)............................................................................................................................................34
7.7.7 RAIL REMOVAL....................................................................................................................................................................................35
7.7.8 ATF & COMPRESSOR / TANK ASSEMBLY REMOVAL.......................................................................................................................36
7.8 INSTALLATION PROCEDURES..............................................................................................................................................................37
7.8.1 GENERAL PROCEDURE.....................................................................................................................................................................37
7.8.2 ATF & COMPRESSOR/PRODUCT TANK INSTALLATION..................................................................................................................38
7.8.3 RAIL INSTALLATION............................................................................................................................................................................40
7.8.4 BATTERY CABLE INSTALLATION.......................................................................................................................................................41
7.8.5 COMPRESSOR FAN REPLACEMENT................................................................................................................................................43
7.8.6 PROPORTIONAL VALVE REPLACEMENT (5293-SEQ)......................................................................................................................44
7.8.7 INSTALLATION OF PCB ASSEMBLY...................................................................................................................................................44
7.8.8 POWER CONNECTOR REPLACEMENT (9766-1-SEQ).....................................................................................................................47
7.8.9 MEMBRANE PANEL REPLACEMENT (9731-1-SEQ)..........................................................................................................................48
7.8.10 INLET CAP INSTALLATION (SP9756V2-SEQ)..................................................................................................................................49
7.8.11 INSTALLATION OF THE SLEEVE & BATTERY INTERFACE PLATE................................................................................................51
8.0 CLASSIFICATION..........................................................................................................................................................................................53
9.0 SERVICE RECORDS & RETENTION...........................................................................................................................................................53
9.1 RECORD HOURS OF OPERATION AND SOFTWARE VERSION.........................................................................................................53
9.2 SERVICE AND MAINTENANCE RECORD.............................................................................................................................................54

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ILLUSTRATIONS
Figure 1-1. System Board Diagram.........................................................................................................................................................12
Figure 2-1. SAROS Components.............................................................................................................................................................17
Figure 7-1. Inside SAROS.......................................................................................................................................................................24
Figure 7-2. Removal of the three BIP screws..........................................................................................................................................27
Figure 7-3. Removal of the three Rain Guard Screws.............................................................................................................................27
Figure 7-4. Removal of the Rain Guard...................................................................................................................................................27
Figure 7-5. Removal of Sleeve Alignment Ring.......................................................................................................................................27
Figure 7-6. Fiberglass Sleeve..................................................................................................................................................................28
Figure 7-7. Air Inlet Cover Removal.........................................................................................................................................................28
Figure 7-8. Filter Screen and 9V Removal...............................................................................................................................................28
Figure 7-9. Inlet Cap Screw Removal......................................................................................................................................................28
Figure 7-10. Oxygen Outlet Tube Disconnect..........................................................................................................................................29
Figure 7-11. Front Panel Flex Cable Disconnect.....................................................................................................................................29
Figure 7-12. Thermistor Connector and 9V Battery Connector...............................................................................................................29
Figure 7-13. Inlet Cap Power...................................................................................................................................................................29
Figure 7-14. Tube Disconnect..................................................................................................................................................................30
Figure 7-15. Inlet Cap Removal...............................................................................................................................................................30
Figure 7-16. Removal of Ferrite from Battery Power Wire.......................................................................................................................30
Figure 7-17. Battery Power Wires for Battery Interface...........................................................................................................................31
Figure 7-18. Communication Connector for Battery Interface.................................................................................................................31
Figure 7-19. ATF Thermistor Disconnect.................................................................................................................................................31
Figure 7-20. PCB Assembly.....................................................................................................................................................................32
Figure 7-21. Proportional Valve Wire.......................................................................................................................................................32
Figure 7-22. Proportional Valve Tube......................................................................................................................................................32
Figure 7-23. Replace Proportional Valve.................................................................................................................................................32
Figure 7-24. Remove Compressor Fan wire............................................................................................................................................33
Figure 7-25. Lift the Proportional Valve....................................................................................................................................................33
Figure 7-26. Compressor Fan..................................................................................................................................................................33
Figure 7-27. Hall Effect Sensor................................................................................................................................................................34
Figure 7-28. Remove Wire Sleeve...........................................................................................................................................................34
Figure 7-29. Cable Ties and Rails...........................................................................................................................................................34
Figure 7-30. Cable Ties and Struts..........................................................................................................................................................35
Figure 7-31. Left Strut..............................................................................................................................................................................35
Figure 7-32. Right Strut...........................................................................................................................................................................35
Figure 7-33. Kapton Tape........................................................................................................................................................................36
Figure 7-34. Exhaust tube.......................................................................................................................................................................36
Figure 7-35. Cable Ties...........................................................................................................................................................................36
Figure 7-36. Silicone tubing.....................................................................................................................................................................36
Figure 7-37. ATF ports.............................................................................................................................................................................37
Figure 7-38. ATF bulkhead.......................................................................................................................................................................37
Figure 7-39. Thread Locking Procedure..................................................................................................................................................37
Figure 7-40. Cable tie installation............................................................................................................................................................37
Figure 7-41. ATF Bulkhead......................................................................................................................................................................38
Figure 7-42. Align.....................................................................................................................................................................................38
Figure 7-43. ATF caps..............................................................................................................................................................................38
Figure 7-44. Down pipe Hose..................................................................................................................................................................38
Figure 7-45. Cap......................................................................................................................................................................................39
Figure 7-46. Cable Ties...........................................................................................................................................................................39
Figure 7-47. Open SAROS......................................................................................................................................................................39
Figure 7-48. Open SAROS......................................................................................................................................................................40
Figure 7-49. Right Strut...........................................................................................................................................................................40
Figure 7-50. Route ATF wires..................................................................................................................................................................40
Figure 7-51. Secure.................................................................................................................................................................................40
Figure 7-52. Cable Tie Knots...................................................................................................................................................................41
Figure 7-53. Wire Sleeve.........................................................................................................................................................................41
Figure 7-54. Secure Battery Wires...........................................................................................................................................................42
Figure 7-55. Slack....................................................................................................................................................................................42
Figure 7-56. Secure ATF..........................................................................................................................................................................42
Figure 7-57. Fan......................................................................................................................................................................................43
Figure 7-58. Compressor Fan Wire.........................................................................................................................................................43
Figure 7-59. Proportional Valve...............................................................................................................................................................44
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Figure 7-60. Secure.................................................................................................................................................................................44
Figure 7-61. Screws.................................................................................................................................................................................44
Figure 7-62. Secure Wires.......................................................................................................................................................................45
Figure 7-63. Secure Ferrites....................................................................................................................................................................45
Figure 7-64. Connect...............................................................................................................................................................................45
Figure 7-65. Fan Connector.....................................................................................................................................................................45
Figure 7-66. Flow Tube............................................................................................................................................................................46
Figure 7-67. Tighten.................................................................................................................................................................................46
Figure 7-68. Tighten.................................................................................................................................................................................46
Figure 7-69. Cable Ties...........................................................................................................................................................................47
Figure 7-70. Top strut...............................................................................................................................................................................47
Figure 7-71. Remove screws...................................................................................................................................................................47
Figure 7-72. Power Connector.................................................................................................................................................................47
Figure 7-73. Peel.....................................................................................................................................................................................48
Figure 7-74. Clean...................................................................................................................................................................................48
Figure 7-75. Remove PSA cover.............................................................................................................................................................48
Figure 7-76. Apply new User Panel.........................................................................................................................................................48
Figure 7-77. O-ring attached....................................................................................................................................................................49
Figure 7-78. Arrows on O-ring.................................................................................................................................................................49
Figure 7-79. Inlet Caps............................................................................................................................................................................49
Figure 7-80. Breach Tube........................................................................................................................................................................49
Figure 7-81. Power Harness Wires..........................................................................................................................................................50
Figure 7-82. Flex cable............................................................................................................................................................................50
Figure 7-83. Ambient Air Thermistor........................................................................................................................................................50
Figure 7-84. Oxygen Outlet Tube............................................................................................................................................................50
Figure 7-85. Inlet Cap mounting screws..................................................................................................................................................51
Figure 7-86. 9V battery............................................................................................................................................................................51
Figure 7-87. Align covers and tighten......................................................................................................................................................51
Figure 7-88. Slide Sleeves.......................................................................................................................................................................51
Figure 7-89. Second sleeve.....................................................................................................................................................................52
Figure 7-90. Battery Interface Assembly..................................................................................................................................................52
Figure 7-91. Attach..................................................................................................................................................................................52
Figure 7-92. Align.....................................................................................................................................................................................52

TABLES
Table 1-1. Battery Pack............................................................................................................................................................................15
Table 2-1. Routine Maintenance .............................................................................................................................................................17
Table 3-1. Alarm Levels...........................................................................................................................................................................21
Table 3-2. System Troubleshooting Guide...............................................................................................................................................22
Table 7-1. Maintenance and Service Parts..............................................................................................................................................24
Table 7-2. Troubleshooting Guide (continued).........................................................................................................................................27
Table 9-1. Log the Results.......................................................................................................................................................................54
Table 9-2. Sample SAROS Maintenance Record....................................................................................................................................55

APPENDIX A
APPENDIX A........................................................................................................................................................................................................56

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INDICATIONS FOR USE

SAROS oxygen system is indicated for the administration of supplemental oxygen. The device is not intended for life support nor
does it provide any patient monitoring capabilities. The SAROS can be used in the Military Medical Service that is operationally used for medical assemblages, such as the Expeditionary Medical Support (EMEDS) and En-Route Patient Staging System(ERPSS), in deployed scenarios, including wartime operations, deterrence and humanitarian and contingency operations.
The SAROS is used by patients suffering from discomfort due to ailments which affect the efficiency of one’s lungs to transfer theoxygen in air to their bloodstream. The device will be operated by a trained medical technician or clinician with a working knowledge of oxygen concentrators. A physician has prescribed a specific oxygen flow setting to meet an individual’s needs. Oxygen
flow should be adjusted only under the direction of a physician.
The SAROS uses a vacuum pressure adsorbent process to separate oxygen from the air and deliver oxygen rich gas to a patient
through a nasal cannula.
WARNING: FEDERAL U.S. LAW RESTRICTS THIS DEVICE TO SALE BY OR ON THE ORDER OF A PHYSICIAN.

INDICATIONSWARNING: IN CERTAIN CIRCUMSTANCES, THE USE OF NON-PRESCRIBED OXYGEN CAN BE HAZARDOUS. THIS
DEVICE SHOULD ONLY BE USED UNDER THE DIRECTION OF A PHYSICIAN OR QUALIFIED CLINICIAN.
NOT FOR USE IN THE PRESENCE OF FLAMMABLE ANESTHETICS.
AS WITH ANY ELECTRICALLY POWERED DEVICE, THE USER MAY EXPERIENCE PERIODS OF NON-OPERATION AS A
RESULT OF ELECTRICAL POWER INTERRUPTION, OR THE NEED TO HAVE THE SAROS SERVICED BY A QUALIFIEDTECHNICIAN. SAROS IS NOT APPROPRIATE FOR ANY PATIENT WHO WOULD EXPERIENCE ADVERSE HEALTH CONSEQUENCES AS THE RESULT OF SUCH TEMPORARY INTERRUPTION.
USE OF AN OXYGEN MASK IS CONTRAINDICATED DUE TO THE POSSIBILITY OF REBREATHING EXHALED CARBONDIOXIDE.
WARNING: EXHAUST GAS MAY REACH HIGH TEMPERATURES DURING NORMAL OPERATIONS. USE CAUTION TO
AVOID TOUCHING THE EXHAUST PORT OF THE SAROS WHILE IN USE.
WARNING: THERE IS A RISK OF FIRE ASSOCIATED WITH OXYGEN THERAPY. DO NOT USE CONCENTRATOR OR ACCESSORIES NEAR SPARKS OR OPEN FLAMES.
WARNING: SMOKING DURING OXYGEN THERAPY IS DANGEROUS AND IS LIKELY TO RESULT IN SERIOUS INJURY OR
DEATH OF THE PATIENT AND OTHERS FROM FIRE.
WARNING: OPEN FLAMES DURING OXYGEN THERAPY ARE DANGEROUS AND IS LIKELY TO RESULT IN FIRE OR
DEATH. DO NOT ALLOW OPEN FLAMES WITHIN 2 METERS OF THE OXYGEN CONCENTRATOR OR ANY OXYGEN CARRYING ACCESSORIES.
WARNING: SMOKING DURING OXYGEN THERAPY IS DANGEROUS AND IS LIKELY TO RESULT IN FACIAL BURNS OR
DEATH. DO NOT ALLOW SMOKING WITHIN THE SAME ROOM WHERE THE OXYGEN CONCENTRATOR OF ANY OXYGENCARRYING ACCESSORIES ARE LOCATED. IF YOU INTEND TO SMOKE, YOU MUST ALWAYS TURN THE OXYGEN CONCENTRATOR OFF, REMOVE THE CANNULA AND LEAVE THE ROOM WHERE EITHER THE CANNULA OR MASK OR THE
OXYGEN CONCENTRATOR IS LOCATED. IF UNABLE TO LEAVE THE ROOM, YOU MUST WAIT 10 MINUTES AFTER YOU
HAVE TURNED THE OXYGEN CONCENTRATOR OFF BEFORE. SMOKING.
NOTE: Auditory alarms may not be heard in noisy environments and/or in tactical mode. Care providers must rely on visual indications todetermine if there are any alarms or other system malfunctions. Care providers should monitor the SAROS for any alarm conditions.

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CONTRAINDICATIONSSAFETY GUIDELINES
These are Warnings and Cautions that apply to hazards or unsafe practices that could result in serious injury or property damage.
WARNING: FEDERAL U.S. LAW RESTRICTS THIS DEVICE TO SALE BY OR ON THE ORDER OF A PHYSICIAN.
WARNING: DO NOT USE SAROS IF IT HAS A DAMAGED POWER CORD OR PLUG.
WARNING: DO NOT DROP OR INSERT ANY OBJECTS INTO ANY OPENING ON THE DEVICE.
WARNING: DO NOT BLOCK THE AIR INLET OR THE EXHAUST VENT OF THE SAROS WHEN IT IS ON A SOFT SURFACE,
SUCH AS A LITTER, BED, CHAIR, CARPET, COUCH OR VEHICLE SEAT.
WARNING: DO NOT COVER THE DEVICE WITH A BLANKET, TOWEL OR SHEET, ETC.
WARNING: DO NOT STORE THE SAROS WITH THE BATTERY INSTALLED IN THE UNIT.
WARNING: DO NOT REMOVE THE COVER. THERE ARE NO USER-SERVICEABLE PARTS INSIDE THE DEVICE. ONLYQUALIFIED SERVICE PERSONNEL SHOULD REMOVE THE COVER OF THE DEVICE.
WARNING: DO NOT MODIFY THIS EQUIPMENT WITHOUT AUTHORIZATION OF THE MANUFACTURER.
WARNING: DO NOT OPERATE THE DEVICE, COMPONENTS OR ACCESSORIES ON WET SURFACES OR IN STANDING
WATER AND DO NOT SUBMERSE IN WATER.
WARNING: GERIATRIC, PAEDIATRIC OR ANY OTHER PATIENT UNABLE TO COMMUNICATE DISCOMFORT CAN REQUIRE ADDITIONAL MONITORING AND OR A DISTRIBUTED ALARM SYSTEM TO CONVEY THE INFORMATION ABOUT
THE DISCOMFORT AND OR THE MEDICAL URGENCY TO THE RESPONSIBLE CARE GIVER TO AVOID HARM.
WARNING: OXYGEN MAKES IT EASIER FOR A FIRE TO START AND SPREAD. DO NOT LEAVE THE NASAL CANNULA ORMASK ON BED COVERINGS OR CHAIR CUSHIONS, IF THE OXYGEN CONCENTRATOR IS TURNED ON, BUT NOT IN USE;
THE OXYGEN WILL MAKE THE MATERIALS FLAMMABLE. TURN THE OXYGEN CONCENTRATOR OFF WHEN NOT IN
USE TO PREVENT OXYGEN ENRICHMENT.
WARNING: IF YOU FEEL DISCOMFORT OR ARE EXPERIENCING A MEDICAL EMERGENCY WHILE UNDERGOING OXYGEN THERAPY, SEEK MEDICAL ASSISTANCE IMMEDIATELY TO AVOID HARM.
WARNING: WIND OR STRONG DRAUGHTS, INCLUDING AN OPEN WINDOW OR FAN, CAN ADVERSELY AFFECT ACCURATE DELIVERY OF OXYGEN THERAPY.
WARNING: THE SETTINGS OF OTHER MODELS OR BRANDS OF OXYGEN THERAPY EQUIPMENT DO NOT CORRESPOND WITH THE SETTINGS OF THE SAROS MODEL 4000.
WARNING: IN THE EVENT THERE IS A SERIOUS INCIDENT OCCURRING WITH THIS DEVICE, THE USER SHOULD IMMEDIATELY REPORT THE INCIDENT TO THE PROVIDER AND/OR THE MANUFACTURER. A SERIOUS INCIDENT IS DEFINEDAS AN INJURY, DEATH, OR POTENTIAL TO CAUSE INJURY/DEATH SHOULD THERE BE A REOCCURRENCE OF THE
INCIDENT. THE USER CAN ALSO REPORT THE INCIDENT TO THE COMPETENT AUTHORITY IN THE COUNTRY WHERE
THE INCIDENT OCCURRED.
WARNING: THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS INCLUDING NICKEL, WHICH IS KNOWN TO THE STATEOF CALIFORNIA TO CAUSE CANCER. FOR MORE INFORMATION, GO TO WWW.P65WARNINGS.CA.GOV.
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CAUTION: INDICATES A HAZARDOUS SITUATION THAT, IF NOT AVOIDED, COULD RESULT IN MINOR OR MODERATE
INJURY.
CAUTION: KEEP SAROS AND THE POWER CORD AWAY FROM HOT SURFACES OR OPEN FLAMES.
CAUTION: SAROS SHOULD BE LOCATED IN A WELL-VENTILATED AREA TO ALLOW FOR ADEQUATE AIR INTAKE.
CAUTION: AVOID THE INTAKE OF AIRBORNE POLLUTANTS, SMOKE AND FUMES.
CAUTION: ONLY USE THIS DEVICE WITH ACCESSORIES SPECIFIED BY, OR RECOMMENDED BY CAIRE INC.
CAUTION: IF SAROS HAS BEEN DROPPED, DAMAGED OR EXPOSED TO WATER, PLEASE CONTACT A QUALIFIEDTECHNICIAN FOR INSPECTION OR POSSIBLE REPAIR OF THE DEVICE.
CAUTION: WHEN USING SAROS IN ANY VEHICLE, BE SURE IT IS PROPERLY SECURED, BELTED OR RESTRAINED.
CAUTION: LOCATE OXYGEN SUPPLY TUBING AND ALL POWER CORDS IN A MANNER TO PREVENT TRIPPINGHAZARDS.
CAUTION: DO NOT PLACE THE SAROS IN A SMALL, ENCLOSED SPACE, SUCH AS A BATHROOM, CLOSET, BAG OR
BOX WITH THE OXYGEN CANNULA OR TUBING LEADING OUT OF THE ENCLOSED SPACE.
CAUTION: DO NOT EXPOSE THE DEVICE TO TEMPERATURES OUTSIDE OF THE SPECIFIED RANGE OF OPERATING OR
STORAGE TEMPERATURES AS THIS MAY DAMAGE THE DEVICE.

NOTE: THIS DEVICE MUST COOL FROM THE MAXIMUM STORAGE TEMPERATURE BETWEEN USES UNTIL IT IS READY FORTEMPERATURES FOR INTENDED USE.
NOTE: SAROS UNIT MUST BE CONSTRAINED OR MOUNTED TO PREVENT DAMAGE TO UNIT OR INJURY TO USER WHILE IN USE.
NOTE: THIS DEVICE DOES EXHAUST NITROGEN GAS. HOWEVER, THIS EXHAUST IS NOT SUFFICIENT TO DISPLACE OXYGEN IN
THE OPERATING ENVIRONMENT. NO ADDITIONAL SAFETY PRECAUTIONS NEED TO BE TAKEN TO ACCOUNT FOR THE NITROGEN EXHAUST.
NOTE: PROTECT ELECTRICAL POWER CORDS FROM SHARP EDGES OR ELECTRICAL SHOCK AND SERIOUS PHYSICAL INJURY
MAY
OCCUR.
NOTE: ONLY USE THE CAIRE INC. SUPPLIED AC POWER ADAPTER AND 24 VDC CABLE WITH THE SAROS. USE OF ANY OTHER
AC POWER ADAPTER OR DC CABLE MAY BE HAZARDOUS, CAUSE SERIOUS DAMAGE TO THE SAROS AND WILL VOID THE WARRANTY.
NOTE: AVAILABILITY OF AN ALTERNATE, OR BACK-UP, SOURCE OF SUPPLEMENTAL OXYGEN IS RECOMMENDED IN CASE OF A
POWER OUTAGE OR A MECHANICAL FAILURE OF THE DEVICE.
BATTERY SAFETYWARNING: DO NOT DISASSEMBLE, PUNCTURE, OR CRUSH THE BATTERY. BATTERY ELECTROLYTES MAY BE TOXICIF SWALLOWED AND CAN BE HARMFUL TO SKIN AND EYES. KEEP THE BATTERY AWAY FROM CHILDREN.
WARNING: DO NOT SHORT-CIRCUIT THE BATTERY’S METAL CONTACTS WITH METALLIC OBJECTS, SUCH AS KEYS
OR COINS. THIS MAY CAUSE SPARKS OR EXCESSIVE HEAT TO BE GENERATED.
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WARNING: USE OF A DAMAGED BATTERY MAY CAUSE PERSONAL INJURY.
WARNING: THE BATTERY MAY EXPLODE AND CAUSE POTENTIAL INJURY IF EXPOSED TO A FIRE, OR DISPOSED OF
IN A FIRE.
WARNING: EXPOSING THE BATTERY TO WATER OR OTHER LIQUIDS MAY CAUSE PERSONAL INJURY.

CAUTION: DO NOT EXPOSE THE BATTERY TO TEMPERATURES ABOVE 140° F (60°C), SUCH AS IN A VEHICLE PARKED
IN THE SUN ON A HOT DAY.
CAUTION: IT IS NOT RECOMMENDED THAT THE BATTERY IS CHARGED BELOW 41° F (5° C) OR ABOVE 104° F (40° C).
CAUTION: ONLY USE THE BATTERY FOR ITS INTENDED PURPOSE.
CAUTION: PUSH LOCKING/UNLOCKING BUTTON BEFORE BATTERY INSTALLATION.

Reference SAROS 4000 User Manual for additional information, warnings, and specifications.

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1.0 THEORY OF OPERATIONBASIC THEORY OF OPERATIONSAROS Oxygen System uses a variable speed compressor to provide both positive and negative air pressure and is driven by aBrushless DC Motor (BLDC) and drive system.
The ATF® Concentrator Module accepts positively and negatively pressurized air and extracts oxygen from this air using the Pressure Swing Adsorption (PSA) process. The ATF module sub-components consist of patented rotary valves, manifold, housing,sieve beds, and a stepper motor / gear drive system. The rotary valve system channels the gas in a sequential manner to each of
the sieve beds. Each bed is pressurized to force the oxygen through the sieve and into the product tank while most of the nitrogenis separated and remains in the sieve. Once the process is maximized then the sieve beds are purged of the nitrogen. The purged
nitrogen is then vented to atmosphere through the exhaust vent. The process is continuously repeated in each sieve bed.
The flow of produced oxygen passes from the product tank to a flow and concentration monitoring and control system which
utilizes a proprietary ultrasonic flow and concentration sensor. It then continues through a flow control valve to accurately control
the flow of oxygen in continuous and pulse flow modes. The oxygen then passes through a HEPA filter and is delivered to theoxygen outlet port.
The oxygen flow rate and mode are selected by the user. In continuous flow mode, oxygen is delivered continuously at rates of 1,
2, and 3 LPM and, in pulse flow mode; a bolus is delivered at the beginning of each inspiration with selectable volume delivery
approximately equivalent to rates between 16 and 96 mL.
The SAROS electronic system, together with embedded operational firmware, provide the means to manage power, control
oxygen production, monitor safety functions and interface with the user. Power management functions include switching between
various power inputs, driving the compressor, ATF stepper motor, and proportional valve, monitoring battery status and charging
when power is available from an external source. System management functions include monitoring all flow, pressures, concentrations and safety functions. User Interface components such as buttons, illuminated indicators, LCD display and audio transducer
are also monitored or controlled. The User Interface informs the user of the system status, allows the user to select a continuous
flow or pulse mode flow setting and the ability to set the desired flow rate. The Utility Button on the User Interface also allows theUser to obtain information about the system – hours of operation, software version and 9V battery status - or make selections on
various features such as Tactical or Normal Mode, Trigger Sensitivity Adjustments, and LCD Brightness and Contrast.
ATF® CONCENTRATOR MODULE
The SAROS Oxygen System, Model 4000 with autoSAT Technology uses a passive system to separate oxygen from air. Air
flows into the SAROS where it is filtered and then enters the compressor. Pressurized air flows from the compressor into the ATF
Concentrator Module where it is separated into oxygen and nitrogen components. The air separation process uses a rotary valve
system to force air through a series of pressurized sieve beds. Through a process known as “pressure swing adsorption,” nitrogenmolecules are collected on an adsorbent material or zeolite allowing the concentrated oxygen to be forced through a sieve bed into
the product tank. The nitrogen molecules are then purged from the adsorbent material using a vacuum pressure cycle.
Oxygen flows from the product tank through a sensor that measures flow and concentration and then through a HEPA filter. A flow
control valve regulates the flow of concentrated oxygen. The process is continuously repeated during operation.
COMPRESSORThe SAROS compressor is a two-head variable speed compressor driven by a highly efficient Brushless DC (BLDC) motor.
When air flows into the compressor, it passes through an air inlet filter that filters out impurities. Using one head, the compressor
takes in filtered air, compresses it and channels the compressed gas to the ATF Module. The second head pulls a vacuum on the
ATF module and exhausts nitrogen rich gas through an exhaust outlet muffler to suppress the noise and then to the exhaust vent at
the bottom of the device.
BRUSHLESS COMPRESSOR MOTOR DRIVER (BCMD)
The BCMD drives the compressor motor based on the input power from either the battery, the AC Power Adapter or the 24 VDC
Cable.
COOLING FAN
A cooling fan is installed in the SAROS to provide forced air cooling to the various components in the system that generate heat.

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POWER BOARD
The Power Board takes external power that comes into the SAROS from the AC Power Adapter, 24 VDC Cable or Battery andmonitors and controls power distribution to the rest of the SAROS system. The Power Board also drives the cooling fan.
SYSTEM BOARD
The System Board is the center of nearly all the SAROS functions. The System Board is a micro controller-based system thatmonitors system dynamics such as temperatures, pressures, ATF stepper motor and proportional valve, product flow and concentration, and the Users’ input, indicators and buzzer operation and external communications. It measures temperature of theoxygen, compressor motor, ambient temperature, and ATF temperature, BCMD, Power Board and the Battery.
The System Board utilizes a proprietary ultrasonic flow and concentration sensor and a flow control valve to accurately control
the flow oxygen in the various flow delivery modes.

Figure 1-1. System Board Diagram

CONTROL PANELThe Control Panel provides a user interface consisting of a membrane panel keyboards, Liquid
Crystal Display (LCD), external power present indicator, Battery capacity indicator, alarm
status indicators, and a buzzer. The user interface informs the user of the system status and allows the user to set the desired flow modes and flow rate – continuous or pulse, display mode
– normal or tactical, set up system parameters and acquire system information.

CONTINUOUS FLOW MODE
The user may set the SAROS oxygen flow rate and mode. Continuous Flow Mode delivers a constant flow of oxygen to the Oxygen Outlet Port at settings of 1, 2, and 3 LPM. Within the SAROS, concentrated oxygen is stored in a product tank at pressures in
the range of 5 – 9 psi and is back-pressure compensated. This pressure gives Continuous Flow Mode the capability to deliver theindicated flow rate to the patient even if extension tubing is used, up to 50 feet long. In addition, the SAROS Continuous Flow
Mode is fully compatible with humidifier use.
PULSE FLOW MODE WITH autoSAT TECHNOLOGYThe SAROS Pulse Flow Mode with autoSAT Technology delivers a high flow of oxygen at the very beginning of eachinspiratory effort. The approach is based on the manner in which gas is delivered into a patient’s airway. The user may
select pulse volume delivery rates between 16 and 96 ml. Pulse durations vary between 100 milliseconds and 500 milliseconds due to dead space considerations. Maximum cannula length is 7 feet.
The fundamental approach to triggering and controlling the oxygen bolus in Pulse Flow Mode is: The user may select pulse trigger sensitivity in settings 1 (most sensitive), 2, or 3 (least sensitive). The pulse will be triggered when the system meets all thefollowing criteria: The cannula pressure has dropped below the trigger point (typically between 0.15 and 0.45 cm H2O). At least
1.25 seconds has passed since the last pulse began.
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The SAROS autoSAT Technology consistently maintains the FiO2 by adjusting to the patient’s respiratory rate. As their rate increases, the autoSAT feature servo controls the device to automatically increase oxygen output to ensure uninterrupted delivery of
the set bolus volume. autoSAT provides the patient with unparalleled performance without limiting available oxygen, enabling thesystem to automatically adjust to increased oxygen demands that often occur.
NOTE: To Equipment Provider: The following oxygen administration accessories are recommended for use with the Oxygen Concentrator:• Nasal Cannula with 7 feet (2.1 m) of tubing: PN 5408-SEQ
UTILITY MODE
A User or Service Technician can access the Utility Mode function by pressing using the Utility Button on the control panel. All
information is displayed on the LCD. Advance to the next feature in the Utility Mode by depressing the Utility Button. The “+” or“-“ button is used to toggle when a feature is selected. Pressing the Flow Mode button takes you back one step.
SERVICE MODE FUNCTIONS
Factory maintenance or service updates may sometimes be required on the SAROS. Factory and qualified factory-trained technicians can access service mode software functions by using the Service Port located on the top of the unit.
POWER SUPPLIESSAROS may operate from either an AC Power Adapter, 24 VDC Cable or Battery. When power is available from anexternal supply, the SAROS will draw from the external source rather than depleting the Battery. Connection to external power is indicated when the External Power Present Indicator located on the Control Panel is illuminated.
AC
POWER ADAPTER
The AC Power Adapter is a universal input type, capable of accepting 100 – 240 VAC, 50/60 Hz. It is capable of delivering up to
200W at 24 VDC output. The input cord requires a grounded receptacle. Country specific cords may be used with the AC Power
Adapter, as the supply is equipped with a universal input receptacle. When used in a medical care facility, international safety
standards require the use of hospital grade AC power cord with the SAROS.
The AC Power Adapter contains protection circuits for output over-current, input over-voltage, and internal over-temperature conditions. If any of these conditions exist, output power
will be a Loss of Power Alarm. Refer to Alert, Alarms and Troubleshooting Table. These
three conditions are self-resetting, such that output power will resume when protection circuits fall back into acceptable operating ranges.
To adapt the SAROS to 220 VAC, just utilize the country cord or a plug adapter. An inverter
to step up voltage/current is not needed.
24 VDC CABLE
The 24 VDC Cable is intended for use with 24 volt power sources, such as thosefound in various vehicles.

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Service Manual
RECHARGEABLE BATTERYThe Battery allows operating the SAROS away from AC or DC power. The Battery used with
the SAROS contains Lithium Ion battery cells, similar to those used in laptop computers andcell phones. The SAROS battery is approximately 84.2 W-hours in capacity and provides
an output voltage of 12V to 16.6V. The battery connects to the bottom of the SAROS and issecured by a mechanical latching mechanism. The battery can be recharged when the SAROS
is connected to the AC Power Adapter or the 24 VDC Cable. The battery gauge indicator on
the SAROS LCD will have a “waterfall” effect when the battery is charging. The fastest way
to recharge the battery is using the AC Power Adapter.
The Battery has an integral safety circuit that prevents over charge, over discharge or damage due to an external short circuitof the pack. An Integral fuel gauge communicates battery voltage, current, charge state, and temperature. Based on the voltage
supplied by the Battery, the system is configured to optimize battery charging by regulating the charging voltage and current asfollows:
Battery Pack Output Voltage (VDC)

Charging Voltage (VDC)

Charging Current (A)< 10.0

FAULT

FAULT

10.0 – 11.9

16.6

0.55 to 0.70

> 12.0

16.6

5.60

Table 1-1. Battery Pack

When the SAROS is operating on Battery power, the LCD displays an estimate of the amount of time the unit can operate at thecurrent settings, within +/- 5 minutes. When the SAROS is operating on Battery and the time on battery falls below 15 minutes,
the LCD time on battery characters will flash to indicate a low battery condition.
The capacity of the SAROS Battery is determined by electronics and software. While the SAROS Battery allows the concentrator to operate at its full range of capabilities, the primary purpose of the Battery is to allow an autonomous system while moving
between AC or DC power sources. The SAROS’s Battery, like all lithium ion batteries, is susceptible to permanent damage fromexcessive heat. Exposure to excessive heat may shorten the Battery’s service life. Other than excessive heat, other factors
influence Battery life, such as the number of Charges/Discharges that the battery has been undergone. CAIRE Inc. advises that atypical service life of a battery is 80% Nominal Capacity after 200 Charge/Discharge cycles.
The Battery contains multiple temperature sensors to monitor battery cell temperature. The amount of heat the Battery can safely
endure varies depending on how the Battery is being used. During discharge, the SAROS software will shut the system down ifinternal battery cell temperature exceeds 59°C. While the Battery is charging, software will interrupt charger operation when theinternal battery temperature exceeds 40°C or temperature is less than 5°C. In both of these cases, when internal battery cell temperature returns within these limits, the SAROS will resume normal operation. Operation near these temperature limits will notdamage the Battery, but are in place to ensure that the service life of the Battery is preserved.
Heat in the Battery is generated during discharge, and can also be the result of operating the SAROS in high ambient temperatures. The amount of internally generated heat varies with the flow setting – higher flows induce greater Battery heating. Whilehigh ambient temperatures are typically the result of operation on a hot day, running the SAROS with inadequate ventilation canalso cause additional heat. Always ensure that the SAROS is operated in a well-ventilated space, the Air Inlet Filter is clean, andintake and exhaust vents are unobstructed.
CHARGING ALGORITHM
The charging algorithm is performed by the Power Board software and involves three basic decisions:
1. When to start charging
2. How fast to charge
3. When to stop charging
Charging begins when Battery voltage falls below 90% relative capacity. The charging current is limited by the charger capability and the rated capacity of the Battery. Under certain conditions, the SAROS may not have enough external power available tocharge the batteries at the full rate. In this case, the charging rate will be limited to the available power. As the Battery accumulates charge, the charging current required will eventually fall. Battery charging will cease when the Battery voltage is greaterthan 16V, charge current is less than 0.66A, and relative charge is greater than 93%.
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The software will only charge when the Battery temperature is at or below 40°C. The software will always run the cooling fan
whenever the charger is enabled. The Battery Charger is disabled and the cooling fan is set to maximum whenever the Battery
temperature exceeds 40°C. The Battery charger is disabled when temperature is less than 5°C.
All lithium ion batteries self-discharge at very low rates when not in use. SAROS Batteries are shipped from CAIRE Inc. in apartially charged state (nominally 30%). Do not store the SAROS with the battery installed in the unit. Remove the battery fromthe unit when storing to prevent damage to the battery and the unit. CAIRE Inc. recommends a first in, first out rotation of Battery
inventory for maximum service life.
WARNING: INDICATES A HAZARDOUS SITUATION THAT, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS
INJURY.
WARNING: DO NOT OPEN OR HANDLE EXCEPT AT A STATIC FREE WORKSTATION. DO NOT REMOVE COVER WITHOUTESD PROTECTION.
WARNING: DO NOT STORE THE SAROS WITH THE BATTERY INSTALLED IN THE UNIT.
WARNING: WHEN PERFORMING SERVICE AND REPAIR PROCEDURES DO NOT TOUCH EXPOSED CIRCUITS DURING
THE MAINTENANCE. DO NOT TOUCH MOVING PARTS.
CAUTION: The SAROS contains electrostatic sensitive components.

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Service Manual

2.0 OPERATOR MAINTENANCE & SERVICE
2.1 CLEANING THE SAROS
Use mild detergent solution to clean the sleeve, control panel and power supplies. Turn OFF the SAROS and disconnect from AC
or DC power before any cleaning or disinfection activity. DO NOT spray the sleeve, control panel or power supplies. Use a damp
(not soaking wet) cloth or sponge. Spray the cloth or sponge with mild detergent solution to clean the sleeve, control panel or
power supplies. To disinfect the SAROS, use only Lysol Brand II disinfectant (or equivalent). Proceed as directed by the manufacturer.
WARNING: USE ONLY SPARE PARTS RECOMMENDED BY THE MANUFACTURER TO ENSURE PROPER FUNCTION AND
TO AVOID THE RISK OF FIRE AND BURNS.
Cleaning the SAROS Battery
The Battery in the SAROS requires special care to assure a longer life and the highest level of performance. The CAIRE Inc. Battery is the only approved Battery recommended for use with the SAROS.
Use a damp (not soaking wet) cloth or sponge. First spray the cloth or sponge with a mild detergent and then clean the Battery
case and the latch.
Cannula Replacement
Replace your supply tubing and cannula on a regular basis as recommended by the cannula manufacturer’s instructions.
2.2 ROUTINE MAINTENANCE
Maintenance StepFrequency

Performed By

Clean Air Inlet Filter

weekly (If in use, not required if in storage.)User

Run device and fully drain SAROS battery

3 months*

User, Distributor, or Authorized Service
CenterReplace 9-volt battery

as needed

User, Distributor, or Authorized Service
CenterAir Inlet Filter Replacement

6 months, or as needed

User, Distributor, or Authorized Service
CenterHEPA Filter

6 months, or as needed

User, Distributor, or Authorized Service
CenterPerformance Verification Check**

Recommended every 6 months, or as needed

Distributor or Authorized Service Center

Table 2-1. Routine Maintenance*Three month recommendation is based on a climate-controlled storage environment.
** Contact Distributor to scheduleTools Required
The following section lists procedures that are necessary to maintain the SAROS. Service should only be performed by a qualified
technician. To perform periodic maintenance, the only tools that should be necessary are:• #1 Phillips Screwdriver• 3/8” open end wrench• Oxygen Analyzer that includes the capability to measure both flow rate (LPM and mL) and Oxygen concentration/purity %.
• Tubing to connect the SAROS to the Oxygen Analyzer for testing.

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Air Inlet Filter(9798-SEQ)

Inlet CoverScrews x4(9291-SEQ)

9V Battery(9257-SEQ)

Inlet Cover(9758-SEQ)
OxygenOutlet Port
(9764-SEQ)

Simplified User
Instructions
Label (behind)

HEPA
Filter(21360366)Battery
Figure 2-1. SAROS Components

See User Manual for the following procedures: Cleaning or Replacing Air Inlet Filter, Replacing the HEPA Filter, Run Device andFully Drain SAROS Battery, Replacing the 9V Battery.

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Service Manual
2.3 SAROS PERFORMANCE VERIFICATION TESTNOTE: The entire verification procedure is recommended to be completed after repairs to verify overall functionality of the unit.
Verify functionality of the SAROS using the following procedures. The performance verification test shall be performed upon
initial receipt of the SAROS, any time a problem is suspected, and at regular 6 month intervals. It may be performed at more frequent intervals if required by the equipment provider. It is suggested that these steps be performed in the order listed for efficiency
and accuracy.
2.3.1 General Operation Test
1) Install the SAROS battery.
2) Use an external (AC or DC) power cord to connect the SAROS to external power. Verify the power cord connects securely to the receptacle on the SAROS.
NOTE: The battery is not fully charged upon initial receipt of the SAROS. If testing a new unit, this will begin the battery charging
process. Reference steps 7-8 to verify proper battery charging.
3) Press and hold the “ON/OFF” button for 3 seconds to power on the SAROS.
NOTE: Before powering on, ensure the SAROS is in the well-ventilated area and that the air inlet andexhaust vent are not obstructed.
4) Verify the audible alarm sounds upon start-up and the screen defaults to display a flow setting of C3.
5) Allow the unit to run for a minimum of 5 minutes to reach its performance specifications. After the warm-up
period, verify that only the green light remains illuminated and there are no audible alarms.

6) Press the utility button once and verify that there are no active alarms. The display screen will read “AC =NONE” if no alarms are active.
7) Verify that the battery icon is visible on the right side of the screen.

8) Verify that the battery is charging. The battery icon bars will move in a waterfall fashion while charging. If
the battery icon is not moving, verify if the battery is already fully charged. A fully charged battery will have acompletely dark icon with all bars filled.
Half Charged Fully Charged

9) Verify the functionality of the increase and decrease flow buttons. Starting at flow setting C3, press thedecrease flow button and verify the screen reads C2. Press the increase flow button and verify the screenchanges back to C3.
NOTE: It is normal for the motor to speed up or slow down with each flow adjustment.

Decrease flow button

Increase flow button

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10) Verify the functionality of the pulse dose mode button. Press the button and verify the device toggles
between a continuous flow setting (C) and pulse dose setting (P). The C & P are displayed on the far left side of
the screen.
11) Verify the functionality of the no breath alarm. Switch to a pulse dose setting and do not attach any tubing to the outlet. An alarm will bepresent after 15 sec of no breath. Within 60 seconds of no breath detected, verify the system automatically changes to continuous flow. Thisis a patient safety measure.
12) Verify the unit runs on battery power. Disconnect the AC power supply and allow the SAROS to run for approximately 60 seconds. Verify
the unit continues to run without interruption and that the battery icon is still displayed on the screen.
13) Verify the no battery alarm. Remove the battery and verify that an audible alarm sounds and the yellow light is visible.
14) Within 5-10 seconds, reinstall the battery and verify the SAROS restarts automatically. Once the SAROS restarts, re-connect the external power as well to resume battery charging.

2.3.2 Flow and O2 Concentration Test
Connect the SAROS to a testing station per the diagram shown below:

SAROS

Testing device that includes aflow meter & O2 Monitor.

Vent toatmosphere

NOTE: If testing concentration or flow rate at multiple settings, allow a 5 minute stabilization period between changing the flow rate prior to
taking any test readings.
NOTE: The SAROS is BTP compensated. If measuring concentration and/or flow with a device that is non-Argon compensated and nonBTP compensated, an additional 0.10 LPM should be added to the flow rate recorded by the testing equipment.
NOTE: Be sure to used standard oxygen-compatible tubing. The tubing from SAROS to the testing device should be a single continuous
piece with no restrictions in line.
1) Verify continuous flow settings C3 and C2 using the following procedure:a) Turn on the SAROS and set the flow to C3 (3.0 LPM). Allow the unit to run for a minimum of 5 minutes to stabilize before
testing.
b) Verify the O2 concentration is within 90-96% and record the reading.
c) Record a 60 second running average for the flow rate. If recording measurements manually, record 10 readings over thecourse of 60 seconds and calculate the average. Verify the 60 second average is within 2.70 - 3.30 LPM. If using a
non-Argon or Non-BTP compensated measuring device, verify the 60 second average is within 2.60 – 3.20 LPM.
d) Adjust the flow setting to C2 (2.0 LPM). Allow the unit to run for a minimum of 5 minutes to stabilize before testing.
e) Verify the O2 concentration is within 90-96% and record the reading.
f) Record a 60 second running average for the flow rate. Verify the 60 second average is within 1.80 - 2.20 LPM. If using a
non-Argon or Non-BTP compensated measuring device, verify the 60 second average is within 1.70 - 2.10 LPM.
2) Verify functionality of the device in pulse dose mode using the following procedure:a) Adjust the SAROS to a setting of P48 (48mL).
b) Complete this step using one of the methods below:i) If using test equipment that automatically triggers a breath, follow the manufacturer’s instructions for operation of thetest equipment. Verify the breath is triggered by the light blinking adjacent to the pulse flow mode button.
ii) If manually triggering breaths, trigger a simulated breath by folding and pinching the tubing* running from the SAROS
to the testing device. Verify the breath is triggered by the light blinking adjacent to the pulse flow mode button.
*Other acceptable procedures to trigger a breath may include connecting a tee to a breath simulator (syringe, jet venturi, nasal cannula, etc.). If you are using
a tee, the tubing to the breath simulation device should not exceed 2 inches in length.

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Service Manualc) Complete this step using one of the methods below:i) If using test equipment that automatically triggers a breath follow the manufacturer’s instructions for operation of thetest equipment. Record the average bolus reading.
ii) If manually triggering breaths, note and record the bolus size in mL of each breath. Repeat 5 times. Average the fivebolus measurements and record the average reading. You may need to “zero” the testing device between triggering asimulated breath.
d) Adjust the SAROS to a setting of P96 (96mL).
e) Repeat steps B & C for the P96 testing.
3.2.3 Battery Run Time Test
1) Test battery run time using the following procedure:a) Fully charge the battery via AC power by leaving it connected to AC power for a minimum of 1 hour. After 1 hour, verify thepower cartridge status indicator is fully illuminated and no longer displays a waterfall motion.
b) Disconnect the AC power. Power the SAROS on at C3 (3.0 LPM) and start a timer.
c) Allow the unit to continue to run until it shuts off.
d) Once the unit shuts off completely, stop the timer and record the battery duration.
e) Verify that the time recorded is >24 minutes
NOTE: The nominal capacity of a new battery is 30 minutes at setting C3. A battery is considered within its useful life if its duration is 80%of the nominal capacity of a new battery (24 minutes at C3).

3.0 ALERTS, ALARMS, AND TROUBLESHOOTING TABLE

The tables show the possible audible and visual alerts and alarms, their conditions and suggest appropriate troubleshooting
responses. The SAROS runs functional verification on alarm system as part of its operation. If you are unsure about any alerts or
alarm conditions, or responses please contact an authorized service technician or go to www.caireinc.com.
Alarm levels
Type

Level

Yellow LED

Audio Alarm

LCD

Description

Alarm

1

ON

1 beep 200ms only or repeats
every 20 seconds for 120 seconds
depending on the alarm

Displays Alarm
Category

Attention isrequired

Status

0

OFF

OFF

NC (No Change)

All OK

Table 3-1. Alarm Levels

WARNING: AVAILABILITY OF A BACK-UP SOURCE OF OXYGEN IS RECOMMENDED IN CASE OF POWER OUTAGE OR A
DEVICE FAILURE. CONSULT YOUR PROVIDER FOR BACK-UP OXYGEN SYSTEM.
WARNING: DO NOT Ignore Alarms. System will attempt to produce oxygen under fault condition but may not be at purity
or flow.

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3.1 SYSTEM TROUBLESHOOTING GUIDESYMPTOM
SAROS does not power onwhen ON/OFF button is pressed(constant tone)

No Oxygen

Low Oxygen Concentration

Low Oxygen FlowNo Oxygen delivered in
Pulse Flow Mode
Battery Status Gauge never indicatesfully charged
Heat related failures, i.e.
Compressor too hot

PROBABLE CAUSEREMEDYNo Battery installed

Install Battery or plug into external power

Battery is discharged or no external power
is present

Plug into external power

Other

Contact an authorized Service Technician

Air Inlet or HEPA Filter Blocked

Clean Air Inlet Filter or replace HEPA Filter

SAROS not ON

Power SAROS ON

Tubing or cannula is not properly connected or is kinked

Check tubing, cannula and connections

Other

Contact an authorized Service Technician

Restriction in tubing

Repair or replace tubing.

Air Inlet or HEPA Filter restricted

Clean air inlet filter or replace HEPA Filter. Place
your SAROS so there is adequate air flow.

Inadequate Ventilation

Place your SAROS so that there is adequate air
flow, i.e. not covered by a blanket or a poncho.

Hot environment

Allow SAROS to cool

Other

Contact an authorized Service Technician

Restriction tubing

Repair or replace tubing.

Air Inlet or HEPA Filter Blocked

Clean Air Inlet Filter or replace HEPA Filter

Other

Contact an authorized Service Technician

Tubing/cannula longer than 7 feet (2.1m)

Attach 7 foot (2.1m) tubing/cannula

No inspiration detected

Contact an authorized Service Technician

Battery is aging

Contact an authorized Service Technician toreplace Battery

Ambient condition is too hot

Place unit in cool environment or out of direct
sunlight, if possible.

Battery will not latch onto SAROS

Battery Latching Pin Release is stuck in the Press the Latching Pin Release Button inward towrong position
free the latch mechanism and re-install Battery

Oxygen production is limited due topower limitations

External power source cannot supply
enough power

Check air inlet filter and check the external powersourceTable 3-2. System Troubleshooting Guide

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4.0 REPROGRAMMING/CALIBRATIONAll reprogramming of the circuit boards shall be performed by CAIRE, Inc or by a factory authorized service center. Flow calibration is required whenever replacing an ATF, control board, compressor, or proportional valve. Flow calibration can be done at a
CAIRE authorized service center or in the field using item T-10560. See manual MN053 for details on performing flow calibrationand firmware updates in the field using item T-10560.

5.0 SHIPPING AND TRANSPORTING THE SAROS
When shipping the SAROS use original packaging if possible. Always remove the Battery from the SAROS before shipping.
If original packaging material is available repack the SAROS, Battery and power supplies in the designated packaging area.
If original packaging material or other CAIRE Inc. authorized shipping container is not available, contact CAIRE Inc. for replacement shipping container.

6.0 STORING AND DISCARDING THE SAROSWARNING: Do not expose the SAROS to water. The SAROS enclosure does not provide protection against the harmful
effects of liquid ingress. Electrical shock or damage to the unit may result.
STORING THE SAROS
Heat and humidity may degrade the performance or severely damage the SAROS. Store the device in a cool, dry protected area
away from high temperatures, moisture and humidity. Remove the Battery when storing the device.
Ensure that all recommended maintenance procedures in section 1.0 are performed while the device is in storage. It is especially
important that the 3-month requirement to run the device and fully drain the SAROS battery be performed while the unit is instorage to ensure proper operation.
Discarding the SAROS
Battery Disposal: Your Battery is rechargeable and can be recycled. Always return it to an authorized service center or CAIRE
Inc. for proper disposal. You can also contact your local city or town offices for instructions on proper disposal of
the Battery.
SAROS: Local environmental laws may prohibit disposal of electrical and/or electronic equipment such as the SAROS and ACPower Adapter. Contact the local city, town or country offices for instructions on proper disposal of electrical or electronic equipment. Alternately, CAIRE Inc. may be contacted for disposal information at 1-800-482-2473.

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7.0 OVERHAUL & REPAIR
7.1 TOOLS AND TEST EQUIPMENT• #1 Phillips Screwdriver• #1 Flathead Screwdriver• Needle nose pliers• Wire cutting pliers• 3/8” open end wrench• Oxygen analyzer that includes the capability to measure both flow rate (LPM and mL) and Oxygen concentration/purity %.
• Tubing to connect the SAROS to the Oxygen analyzer for testing.
• ESD mat or approved ESD system.
7.2 MAINTENANCE AND SERVICE PARTS
NOTE: Incompatible parts or accessories can result in degraded performance. Do not use accessories that contain phthalates, which canleak into the gas pathway. Consult manual 9735-SEQ for SAROS 3000 parts and accessories.
Maintenance Parts

Battery Interface Plate

SP9939-1-SEQ

Description

Part Number

Battery Interface Plate Screws (3)9914-12-SEQ

9V Battery

9257-SEQ

Cable Ties

6968-SEQ

Air Inlet Filter

9798-SEQ

Compressor Assembly

SP9238-SEQ

HEPA Filter

21360366

SP9240-SEQ

HEPA Filter O-Ring (Large)

9251-SEQ

Compressor & Product Tank
Assembly

HEPA Filter O-Ring (Small)

9250-SEQ

Compressor Fan

9767-SEQ

Compressor Fan Screws (4)9913-10-SEQ

Description

Part Number

External Power Connector

9766-1-SEQ

AC Power Supply

9726-1-SEQ

External Power Connector Screws (4)9203-2-SEQ

AC Power Cord (North America)

4997-SEQ

Hose Clamp

9369-SEQAC Power Cord (Europe)

4998-SEQ

Inlet Cap Assembly

SP9756V2-SEQ

24VDC Cable

9727-SEQ

Inlet Cap Mounting Screws (3)9914-11-SEQ

Battery Pack (packaged 9723-SEQ)

20952897

Inlet Cover Screws (4)9291-SEQ

Nasal Cannula

5408-SEQ

Kapton Tape (1/2 in Width)

2696-SEQ

Left Strut

9779-SEQ

Description

Part Number

Loctite Adhesive1405-SEQ

9V Battery Foam

9256-SEQ

Membrane Panel

9731-1-SEQ

Air Inlet Cover

9758-SEQO2 Outlet Port

9764-SEQ

ATF Bulkhead

9922-SEQ

9916-3-SEQ

ATF Exhaust Filter

9221-SEQ

O-Ring For External Power
Connector

ATF Exhaust Tubing

9227-SEQ

Oxygen Outlet Tubing

SP6981-SEQ

ATF Module Assembly

SP9729-SEQ

PCB Circuit Board Assembly

SP9710V2-SEQ

ATF Muffer To Rain Guard Tubing

9390-SEQ

Proportional Valve5293-SEQ

ATF Muffler Assembly

SP9314-SEQ

Proportional Valve Screws (2)9203-7-SEQ

ATF To Product Pipe Elbow

9797-SEQ

Bottom Rain Guard

21494877

ATF To Product Tank Pipe9342-SEQ

Sleeve Ring (2)9928-SEQ

Sleeve O-rings (4)9374-SEQ

Right Strut

9780-SEQSAROS Sleeve

21341894

Strut Screws (13)9912-1-SEQ

Top Strut

9778-SEQ

Accessories

Repair & Overhaul Parts

Product Tank Pipe to Product Tank Tubing SP6981-SEQ
Battery Bridge Board

21494868

Battery Bridge Board Screws (2)9960-15-SEQ

Battery Bridge Board Wire Harness

21494875

Table 7-1. Maintenance and Service Parts

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7.3 REPROGRAMMING AFTER OVERHAUL AND REPAIR PROCEDURES
A flow calibration procedure is required after replacing any of the following components or assemblies: ATF Module, Compressor and Product Tank, PCB Circuit Board, Proportional Valve. If any of these components are replaced, flow calibrationis required. Flow calibration can be done at a CAIRE authorized service center or in the field using item T-10560. See manual
MN053 for details on performing flow calibration and firmware updates in the field using item T-10560. Equipment or proceduresto perform a flow calibration are not contained in this manual.
NOTE: Further damage to the SAROS or other components is possible if the flow calibration is not performed.
7.4 SAROS MAIN COMPONENTS

Inlet Cap AssemblyPart # SP9756V2-SEQ

PCB AssemblyPart #SP9710V2-SEQ

Compressor AssemblyPart #SP9238-SEQ

Battery Bridge Port Wire Harness
Assembly
Part # 21494875

ATF
Assembly
Part # SP9729-SEQ

Figure 7-1. Inside SAROS

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7.5 COMPREHENSIVE TROUBLESHOOTING GUIDE
Indications

Code

During start up
or stabilization period
when a control panel(flow) setting has beenchanged:Possible Cause

Remedy5 minutes before alert conditions willsound or code

Alert condition will be silent until the warm up period or
stabilization period is over, 5 minutes.

2

At start up, 2 lights are 0800
on (green & yellow)

Device warming up - >85% O2

Normal condition

3

At start up, 1 lightremains (green)

Device warmed up, Within spec 93+/-3% O2

Ready to use

Front panel setting change—alerts will
be reset for 5 minute stabilization.

Follow numerically until resolved.

Low Flow for extended periods of time,
filters occluded.

1) Clean or replace filters;

0000

After Start Up conditions:
4

Continuous mode:
Low O2: below 85

0800

ATF gear motor slow or not turning,
ATF has moisture.

* (yellow light is on)

Compressor slow or not working
PCB set not calibrated, malfunctioning

2) If device has been in storage, attempt to run for 24hours continuously to bring up the purity;
3) Check gear motor on ATF is turning, replace ATF if
needed (PN: SP9729-SEQ);
4) Check Compressor is not labored, squeaking;replace if not working (PN: SP9238-SEQ);
5) Replace PCB set (PN: SP9710V2-SEQ).

6

Loss of Power

4000

Power has been lost to the SAROS(unit beeps for 2 sec, and switches toattached battery - if present)

1) Check if the front panel power verification LED is lit;
2) Check the power source for proper voltage, review
spec chart to details;
3) Check/replace External power supply for functionality (PN: 9726-1-SEQ or PN: 9727-SEQ);
4) replace External power connector (PN: 9766-1-SEQ)
5) Replace PCB set (PN: SP9710V2-SEQ).

7

Flow Rate error

2000

A block to flow greater than 10% is de- 1) Find tubing blockage and remove;tected for more than 60 sec, unit beeps 2) if blockage is within SAROS device - remove tubing
and yellow light is on.
and investigate filters.
Unit will establish normal use after 30
seconds of unblocked patient circuit.

9100

Environment too hot, Compressor too
hot

Yellow LED will be
flashing

8Compressor too hot1) Allow device to cool;
2) Check the cooling fan, replace Compressor cooling
fan if not rotating smoothly or at all (PN: 9767-SEQ)
3) If after cooling, the Compressor is damaged orsqueaking, replace Compressor (PN: SP9238-SEQ).

9

Caution LED is on.
The buzzer beeps
once for 200ms.

9110

Compressor Temperature Sensor cable 1) Remove and reconnect sensor cable.
connected to J402 on system board
2) Repair sensor cable.
may be damaged or loose.
The Compressor Temperature Sensor 3) Replace compressor.
is bad.

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Indications
10

Code

Breath rate malfuncA200
tion (Pulse Mode only)

Possible Cause
While in Pulse mode, the breath rate
was not sensed for more than 60 sec.

Remedy1) Press Mode button to re-establish Pulse Mode, if
SAROS switched to Continuous;
2) Ensure patient is breathing through their nose, nottheir mouth;
3) Adjust Pulse Sensitivity to a more sensitive setting.
See menu options for adjustment;
4) Ensure the SAROS does not have a humidifier attached. Acts as a water block to negative inspiration;5) Ensure tubing length does not exceed 7 ft.

11Battery communication error

9500

Battery is not communicating with the
SAROS.

1) Re-connect the battery;

Battery indicator is flashing, or notthere when battery is connected.

3) Check the bridge pcb connector for damage, replace
BBB wiring harness if needed (PN: 21494875);

2) Test the Battery on another unit to ensure the samecode, replace battery;4) Replace the PCB set (PN: SP9710V2-SEQ).
12
13

Battery too HOT
Battery too Hot toCharge9510
1030

Battery indicator not scrolling - waterfalling (scroll bottom to top)

1) Remove battery and allow to cool;

Battery will not waterfall (scroll bottom
to top)- indicates not charging (no code
expected)

1) Check battery connection is proper;

2) Replace with cool Battery.
2) Reset battery connection locking pin brass barrel;3) check condition of Battery wiring harness, replace if
damaged (PN: 21494875);
4) Replace PCB set (PN: SP9710V2-SEQ).

14

15Power Board too Hot

Motor Driver Board
too Hot

9200

9300

Charging has stopped, Device shut
down, the alarm is on, and the ambient
temp is above temp limits.

1) Allow PCB set / Device to cool in the shade or A/C
environment

Charging has stopped, Device Shut
down, the alarm is on, and the ambient
temp is above temp limits.

1) Allow PCB set / Device to cool in the shade or A/C
environment;2) Once cooled, check functionality to spec.

2) Once cooled check functionality to spec;3) Replaced Failed PCB set (PN: SP9710V2-SEQ).

16

Battery is too Cold

95C0

No waterfall effect (scroll bottom to top) 1) Remove Battery from device. Position battery in an
on display.
environment above 40 degrees (F);2) Allow to warm to in-spec temperature internal to thebattery. Re-insert Battery;3) Replace with warmer battery.

17

18

Low Battery Condition 9540

Front Panel Key Stuck 8110

Battery Icon is blinking, Yellow light ison, Device is beeping (2 beeps at 119sec), </= 6 minutes remaining.

1) Plug into External power;2) Replace with fully charged Battery.

A key is stuck for more than 7 seconds. 1) Remove and replace front membrane panel(NOTE: Utility or tool button/key will not (PN: 9731-1-SEQ).
activate this alarm.)
Table 7-2. Troubleshooting Guide (continued)

WARNING: DO NOT Ignore Alarms. System will attempt to produce oxygen under fault condition but may not be at purity
or flow.

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7.6 REMOVAL PROCEDURES
7.6.1 BATTERY INTERFACE PLATE, RAIN GUARD, AND SLEEVE
Battery Interface
Plate Part
# SP9939-1-SEQ

7.6.1.1 Remove the three screws (Part# 9914-12-SEQ) and remove the Battery Interface Plate (Part# SP9939-1-SEQ ).

ScrewsPart# 9914-12-SEQ
Figure 7-2. Removal of the three BIP screws

7.6.1.2 Removing the two screws (Part# 9960-15-SEQ) from theRain Guard (Part# 21494877)

ScrewsPart#9960-15-SEQ

Rain Guard
Part# 21494877
Figure 7-3. Removal of the three Rain Guard Screws

7.6.1.3 Disconnect wires from battery bridge board and detachthe Rain Guard (Part# 21494877) from the Alignment Ring

Rain Guard
Part# 21494877

Figure 7-4. Removal of the Rain Guard

7.6.1.4 Remove the Ring SLEEVE (Part# 9928-SEQ) to expose
wiring.
NOTE: Ensure both O-Rings (Part # 9374-SEQ) remains with the
Ring Sleeve.

9374-SEQ

9928-SEQ

Figure 7-5. Removal of Sleeve Alignment Ring

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7.6.1.5 Remove Fiberglass Sleeve (Part# 21341894) from therails

Sleeve: 21341894
Figure 7-6. Fiberglass Sleeve

7.7.2 INLET CAP REMOVALNOTE: Use ESD Controls when removing the Inlet Cap.
7.7.2.1 Loosen the four CAPTIVE screws (Part# 9291-SEQ) andremove the Air Inlet Cover (Part# 9758-SEQ).

Captive
ScrewsFigure 7-7. Air Inlet Cover Removal

7.7.2.2 Remove and disconnect the 9V Battery (Part# 9257SEQ) and the Air Inlet Filter (Part# 9798-SEQ).

9V battery
FilterFigure 7-8. Filter Screen and 9V Removal

7.7.2.3 Remove three Inlet Cap Mounting screws (Part# 991411-SEQ).

inlet cap
mounting Screws(NOT CAPTIVE)
Part# 9914-11-SEQ
Figure 7-9. Inlet Cap Screw Removal

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7.7.2.4 Move sleeve ring aside and cut green cable tie and disconnect the Oxygen Outlet Tube from the Flow Valve.

oxygenoutlettube

Figure 7-10. Oxygen Outlet Tube Disconnect.

7.7.2.5 Remove tape (Part# 2696-SEQ) from Front Panel Flex
Cable and Top Mounting Struts (Part# 9778-SEQ). Lift up locking connector and disconnect the Front Panel Flex cable.

front panel
flex cable

Figure 7-11. Front Panel Flex Cable Disconnect

7.7.2.6 Disconnect the Ambient Air Thermistor Connector and
9V Battery Connector.

9V Battery
connector

ambient
thermistor
connector

Figure 7-12. Thermistor Connector and 9V Battery Connector

7.7.2.7 Loosen the screws for the AC Power Connector andremove the wires.

loosenFigure 7-13. Inlet Cap Power

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Service Manual
7.7.2.8 Disconnect the Breath Detect Tube.

disconnect
Figure 7-14. Tube Disconnect

7.7.2.9 Remove the Extended Top Cap (Part# SP9756V2-SEQ)
and guide AC Power Cable under the frame of the PCB Assembly. Remove and set aside speaker foam.

Guide
Wires

Figure 7-15. Inlet Cap Removal

7.7.3 REMOVE PCB ASSEMBLYNOTE: Always use ESD Controls when handling the PCB Assembly.
7.7.3.1 Cut zip tie and remove ferrite clamp from Battery Power
Wire.

Figure 7-16. Removal of Ferrite from Battery Power Wire

7.7.3.2 Loosen the Battery Power Wire screws and remove wires.
7.7.3.3 Disconnect the Compressor Thermistor wires.
7.7.3.4 Disconnect the Halls Effect wire.

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Service Manual
7.7.3.5 Loosen the Compressor Power screws and remove the wires.
5-Loosen

5-Loosen

4-Remove

3-Disconnect
1-Remove

2-LoosenFigure 7-17. Battery Power Wires for Battery Interface

7.7.3.6 Disconnect Battery Communication Connector.
7.7.3.7 Disconnect the ATF Stepper Motor Connector from the
PCB.

Battery communications
connector (5 pin)

Fan Connector(red and black
wires)

ATF Thermistor(blue wires)

ATF stepper
motor connector(4 pin)Figure 7-18. Communication Connector for Battery Interface
ATF Stepper Motor Power, Fan Disconnect, ATF Thermistor

7.7.3.9 Cut the cable tie and remove the Flow Tube from theProduct Tank.
NOTE: It is recommended to cap this outlet using a piece of tapeduring the repair process. Do not leave the plug open to atmospherelonger than it takes to preform the repair process. If this port is exposed longer than 24 hours, it must be completely sealed to prevent
damage to the ATF. If just exposed during repair, tape is sufficient toprevent any damage.

• Cut Cable Tie• Remove Tubing• Cap Brass
Fitting

Figure 7-19. ATF Thermistor Disconnect

7.7.3.10 Remove 2 screws on the Left STRUT (9779-SEQ).
7.7.3.11 Remove 2 screws on the Right STRUT (9780-SEQ).

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Service Manual
7.7.3.12 Slide the PCB Assembly away from the struts. (Place in
ESD bag.)
NOTE: Always use ESD Control when handling the PCB Assembly.

Figure 7-20. PCB Assembly
7.7.3.13 Place PCB Set in ESD Protective Bag.

7.7.4 PROPORTIONAL VALVE REMOVAL (5293-SEQ)
7.7.4.1 Remove Proportional Valve wire from PCB Assembly (ifnot done so already).

proportional
valve connector

Figure 7-21. Proportional Valve Wire
7.7.4.2 Remove the two screws from the Proportional valve
mounting block.
NOTE: If Removing the Compressor Fan go to 6.7.5
7.7.4.3 Cut and remove Cable Tie from Proportional valve andremove tubing.

Figure 7-22. Proportional Valve Tube
7.7.4.4 Remove the Proportional Valve (5293-SEQ) from the
Proportional Valve Block and replace.

Figure 7-23. Replace Proportional Valve32 | MN260 D

Service Manual
7.7.5 COMPRESSOR FAN REMOVAL (9767-SEQ)
7.7.5.1 Remove Compressor Fan wire from PCB Assembly (ifnot done so already).

Figure 7-24. Remove Compressor Fan wire

7.7.5.2 Lift the Proportional Valve out of the way (See Proportional Valve Removal Step.)

Figure 7-25. Lift the Proportional Valve

7.7.5.3 Loosen Compressor Fan screws (9913-10-SEQ) Remove
the Fan subassembly (9767-SEQ) from the Compressor Bulkhead.

Figure 7-26. Compressor Fan

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Service Manual
7.7.6 BATTERY CABLE REMOVAL (21494875)
7.7.6.1 Pull out the wires from the grommets on the bulkhead of
the Compressor as shown in figure below.
Hall EffectSensor

Hall EffectSensorFigure 7-27. Hall Effect Sensor

7.7.6.2 Remove the two large wires (Battery Connector Cable)
thru the middle Bulkhead as shown in figure below.
7.7.6.3 Remove the Wire Sleeve with the wires thru the Bulkhead.
ATF power & ATF
thermistor wire
connector cable

3” wire sleeve(9638-SEQ)

Battery Connector
Cable (21494875)

Figure 7-28. Remove Wire Sleeve

7.7.6.4 Cut and remove the 6 Cable Ties (part# 6968-SEQ) on the Side Rail & Cable Ties that group the Cable bundle together.
CAUTION: Do not cut wires.

Figure 7-29. Cable Ties and Rails

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Service Manual
7.7.6.5 Cut and remove all four Cable Ties between the STRUT (9779-SEQ) and the ATF Assembly.
CAUTION: Do not cut wires or damage insulation.

Figure 7-30. Cable Ties and Struts

7.7.7 RAIL REMOVAL
7.7.7.1 Remove five screws (part# 9912-1-SEQ) from left strut (9779-SEQ).
Side Strut

Figure 7-31. Left Strut

7.7.7.2 Remove five screws (part# 9912-1-SEQ) from right strut (9780-SEQ).

Side Strut

Figure 7-32. Right Strut

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7.7.8 ATF & COMPRESSOR / TANK ASSEMBLY REMOVAL
7.7.8.1 Remove Kapton Tape (2696-SEQ) from the Muffler Assembly and left strut (9779-SEQ), as shown in figure.
Muffler Assy2x3” tape

Cut cable
tie here

Figure 7-33. Kapton Tape

7.7.8.2 Remove exhaust tube and ATF to product tank tubing. Cap the connection port on the ATF that is exposed when the tubing is removed.

ExhaustTube

Figure 7-34. Exhaust tube

7.7.8.3 Cut and remove 2 Cable Ties (6968-SEQ) as shown on
figure below.
NOTE: Leave the cable tie closest to the Compressor/Product Tank
Assembly Intact.

Figure 7-35. Cable Ties

7.7.8.4 Remove the silicone tubing from the ATF, leaving thetubing attached to the Compressor Assembly.
NOTE: May need to carefully pry tubing from ATF ports with a tool.

Figure 7-36. Silicone tubing

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7.7.8.5 Cap both ATF ports (Feed and Vacuum ports).

Cap 2X

Figure 7-37. ATF ports

7.7.8.6 Remove the ATF Bulkhead FROM the bottom of the ATF
Module Assembly as shown in figure below.
NOTE: Mark the position for installation.

ATF module assy
(SP9729-SEQ)

ATF bulkhead assy
(9922-SEQ)

Figure 7-38. ATF bulkhead

7.8 INSTALLATION PROCEDURES
7.8.1 GENERAL PROCEDURE
7.8.1.1 Thread Locking Procedure: When applying thread locker
to screws, apply 1 drop of the appropriate thread locking fluid tothe first four threads of the screw/standoffs as show in the figure
below. The Loctite 222MS will be used unless specified otherwise.

Thread Locker

Figure 7-39. Thread Locking Procedure

7.8.1.2 CABLE TIE INSTALLATION PROCEDURE: All cableties will be installed using cable tie gun unless specified otherwise.

Figure 7-40. Cable tie installation

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7.8.2 ATF & COMPRESSOR/PRODUCT TANK INSTALLATIONNOTE: A flow calibration procedure is required after replacing the ATF or Compressor, the PCB Circuit Board, the Proportional Valve. If
any of these components are replaced, flow calibration is required. Flow calibration can be done at a CAIRE authorized service center orin the field using item T-10560. See manual MN053 for details on performing flow calibration and firmware updates in the field using item
T-10560.
7.8.2.1 Install the ATF Bulkhead Assembly onto the bottom of
ATF Module Assembly as shown in figures below.

Grommet(9739-SEQ)

Grommet(21495479)

ATF bulkhead(9922-SEQ)

Figure 7-41. ATF Bulkhead

7.8.2.2 Place the ATF Assembly and Compressor Assembly next
to each other and align as shown in figure below.

ATF module assy
(SP9729-SEQ)

ATF bulkhead
assy (9739-SEQ)

Figure 7-42. Align

7.8.2.3 Remove Caps (3575-SEQ) from the ATF. Insert the Portsfrom the ATF into the tubes on the Compressor /Tank Assembly.
Press the ATF & Compressor together and ensure that the hoses
are positioned properly.
NOTE: Pre-wet inner tubing on compressor with alcohol. Also, wetmetal barbs on the ATF.

Remove caps

Figure 7-43. ATF caps

NOTE: Use Isopropyl Alcohol to lubricate the Tube and the Barb anduse a Mechanics Grabber Pliers to attach the down pipe hose fromthe Compressor Assembly to the fitting on the ATF Module Assembly.

pliers38 | MN260 D

Figure 7-44. Down pipe HoseService Manual
7.8.2.4 Apply cap (1137-SEQ) to Product Tank outlet fitting toprevent ATF desaturation.

cap off
fitting

Figure 7-45. Cap

7.8.2.5 Apply 2 Cable Ties as shown on figure.
NOTE: Pre Loop Zip Ties.

Figure 7-46. Cable Ties

7.8.2.6 Attach the Exhaust Filter, Tube, Muffler Assembly and Tube, Muffler as shown in figure below.
NOTE: Ensure Arrow on Filter points in the correct direction. Install Cable Ties (6968-SEQ) as shown in figure below. Ensure the compressor exhaust elbow tubing is through the bulkhead before/during assembly.
While applying Kapton tape, pull muffler tube to establish clearance. Make sure that tube, muffler, and muffler tube are laying
down on ATF surface.
NOTE: Pulling too hard on the Exhaust Tube may cause the tube to tear.
exhaust filter(9221-SEQ)

tube(9227-SEQ)

2x3” kapton tape(2696-SEQ)

muffler assy
(SP9314-SEQ)

muffler tube
(9390-SEQ)

pull gently
here

ensureclearance
Figure 7-47. Open SAROS

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Service Manual
7.8.2.7 Install the ATF Product Pipe onto the Product Tank with Silicone tubing and secure with Cable ties. Install the other end
onto the ATF with the Product Tube and Clamp as shown in figure below.
0.5” silicone tube
(SP6981-1-SEQ)

cable tiex2 (6968-SEQ)

ATF productpipe (9342-SEQ)

clamp x2
(9369-SEQ)

ATF producttube (9797-SEQ)

Figure 7-48. Open SAROS

7.8.3 RAIL INSTALLATION
7.8.3.1 Attach RIGHT STRUT (9780-SEQ) with five screws (9912-1-SEQ) with and torque to 6.0 in-lbs.
NOTE: Top bulkhead screw not shown.

Figure 7-49. Right Strut

7.8.3.2 Rotate assembly, route the ATF wires (stepper motor and
ATF thermistor wires) under the slot of the LEFT STRUT (9779SEQ).
NOTE: Pre-install cable ties in rail holes prior to installation.

Slot inrail

Figure 7-50. Route ATF wires

7.8.3.3 Secure the STRUT (9779-SEQ) with five screws andtorque the screws to 6.0 in-lb.

ATF wires, verify
loop for proper
lengthLEFT STRUT(9779-SEQ)

Figure 7-51. Secure

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7.8.4 BATTERY CABLE INSTALLATION
7.8.4.1 Secure two Cable Ties through the holes in LEFT STRUT (9779-SEQ) and round all wires.
Secure two Cable Ties around all wires (battery cables & ATF Bundle).
Apply one Cable Tie around all battery cables, close to the battery board, as in Figure below.
NOTE: Leave the Cable Ties loose in case slack is needed at the PCBA assembly.
NOTE: Ensure slack to wires where indicated.
Orient the Cable Tie knots towards the Compressor.
cable ties (6968-SEQ)
through STRUT holes
ATF wiresgo through slot

cable ties (6968-SEQ)
secure all cables
Figure 7-52. Cable Tie Knots

7.8.4.2 Wrap the Wire Sleeve around the ATF wires and pass thru the Bulkhead.
Pass the two Battery wires from the Battery Connector thru the Bulkhead as shown in figure below.
ATF power &ATF thermistor
wires

3” wire sleeve(9638-SEQ)

battery
connector
cable (21494875)

Figure 7-53. Wire Sleeve

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Service Manual
7.8.4.3 Secure the Battery Power wires on the LEFT STRUT (9779-SEQ) with Cable Tie.
NOTE: Leave the Cable Ties loose in case slack is needed at the PCBA assembly.
NOTE: Ensure slack to wires where indicated.
cable ties
6968-SEQv slack

Figure 7-54. Secure Battery Wires

Orient the Cable Tie knots towards the Compressor.

7.8.4.4 Secure the ATF Bundled wires to the Battery Power Cables with cable ties.
NOTE: Leave the Cable Ties loose in case slack is needed at the PCBA assembly.
7.8.4.5 Ensure that there is slack on the wires on the areas indicated.
v slack

cable ties 6968-SEQ

Figure 7-55. Slack

7.8.4.6 Install the Grommet onto the Bulkhead to secure the ATF
and Battery wires.
Route the Battery Power wires and Hall Effect wire under themounting Compressor screw and through the Bulkhead grommet
as shown in figure below.
Route the ATF wire bundle under the STRUTS prior to rail installation and through the Bulkhead grommet as shown in figure
below.

ATF power & ATF thermistor
wires from battery connector

thermistor
wires

NOTE: Do not pinch Thermistor Cable in bulk head.

compressor
power

hall effect sensor& battery power wires
Figure 7-56. Secure ATF

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7.8.5 COMPRESSOR FAN REPLACEMENT
7.8.5.1 Attach the Fan subassembly (9767-SEQ) with the flow
arrows towards the Bulkhead as shown on figure. Apply Loctite
222MS (1405-SEQ) on the screws and torque to 2.0 in-lbs.

note wire
locationscrews9913-10-SEQ
Figure 7-57. Fan

7.8.5.2 Connect the Compressor Fan wire to the PCB Assembly(If PCBA Assembly is connected)
ATF wires go
through slot

fan connector
Figure 7-58. Compressor Fan Wire

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7.8.6 PROPORTIONAL VALVE REPLACEMENT (5293-SEQ)
NOTE: A flow calibration procedure is required after replacing the ATF or Compressor, the PCB Circuit Board, the Proportional Valve. If
any of these components are replaced, flow calibration is required. Flow calibration can be done at a CAIRE authorized service center orin the field using item T-10560. See manual MN053 for details on performing flow calibration and firmware updates in the field using item
T-10560.
7.8.6.1 Attach the two screws (9203-7-SEQ) from the Proportional valve in to the Proportional Block below it and Torque to
3 in-lbs.

Figure 7-59. Proportional Valve

7.8.6.2 Secure the Flow Tube with a Cable Tie to the Proportional valve. Install mounting block to rails with two screws(9912-1-SEQ).

cable
tie

Figure 7-60. Secure

7.8.7 INSTALLATION OF PCB ASSEMBLYNOTE: A flow calibration procedure is required after replacing the ATF or Compressor, the PCB Circuit Board, the Proportional Valve. If
any of these components are replaced, flow calibration is required. Flow calibration can be done at a CAIRE authorized service center orin the field using item T-10560. See manual MN053 for details on performing flow calibration and firmware updates in the field using item
T-10560.
7.8.7.1 Position the PCB Assembly between the 2 STRUTS(9779-SEQ & 9780-SEQ). Install 2 Screws on each side andtorque the Screws to 6.0 in-lbs.

screws9912-1-SEQ

Figure 7-61. Screws

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Service Manual
7.8.7.2 Insert and secure the Battery Power and Compressor
Power Wires where shown. Use a flat blade screwdriver totighten and torque the screws to 4.4 in-lbs.
NOTE: Battery wire polarity indicated on the PCBA. Red is (+) andBlack is (-).

compressor
power wires

battery
power
wires

Figure 7-62. Secure Wires

7.8.7.3 Connect the Thermistor Connector to the PCBA
7.8.7.4 Secure Ferrites to the Compressor Wires.

Figure 7-63. Secure Ferrites

7.8.7.5 Connect the Hall Effect Connector to the PCBA
NOTE: Ensure there is enough slack to the Hall Effect Wire

Figure 7-64. Connect

7.8.7.6 Connect the Fan Connector to the PCB and connect flow
tubing.

Figure 7-65. Fan Connector

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Service Manual
7.8.7.7 Attach the Flow Tube into the Product Tank. Secure theFlow Tube with Cable tie.

Figure 7-66. Flow Tube

7.8.7.8 Tighten and secure all wires with Cable Ties.
NOTE: Orient ALL Cable Tie knots towards the Compressor.

V

SLACK

cable ties
(6968-SEQ)

Figure 7-67. Tighten

7.8.7.8 Tighten and secure all wires with Cable Ties.
NOTE: Orient ALL Cable Tie knots towards the Compressor.

cable ties
(6968-SEQ)

Figure 7-68. Tighten

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7.8.7.9 Add Cable Tie to hold wires away from the coil. Handtighten loose as in Figure below.

cable tie
(6968-SEQ)

Figure 7-69. Cable Ties

7.8.7.10 Attach Top STRUT (9778-SEQ) with 5 screws as shown on figure below. Torque the screws to 6.0 in-lbs.

STRUT(9978-SEQ)

screws(9912-1-SEQ)

Figure 7-70. Top strut

7.8.8 POWER CONNECTOR REPLACEMENT (9766-1-SEQ)
7.8.8.1 After performing steps 6.7.1.1 thru 6.7.1.8 from “INLET CAP REMOVAL”
7.8.8.2 Remove the four screws (9203-2-SEQ) and remove thePower Connector (9766-1-SEQ).

screwspower connector(9766-1-SEQ)

Figure 7-71. Remove screws

7.8.8.3 Install new Power Connector (9766-1-SEQ). Use Loctite
222 on the four mounting screws. Replace O-Ring (9916-3SEQ) if necessary.

Figure 7-72. Power Connector

7.8.8.4 Perform steps 7.8.10.4 – 7.8.10.11 from section “Inlet
Cap Installation”.

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7.8.9 MEMBRANE PANEL REPLACEMENT (9731-1-SEQ)
7.8.9.1 After performing steps 7.7.1.1 thru 7.7.1.8 from “INLET CAP REMOVAL”.
7.8.9.2 Peel off the User Panel (9731-1-SEQ) as shown in the
figure below.

Figure 7-73. Peel

7.8.9.3. Clean the surface shown in the figure with isopropyl
alcohol before re-applying the new User Panel.

clean
surface

Figure 7-74. Clean

7.8.9.4 Remove the PSA protective cover from the new User
Panel (9731-1-SEQ). Insert the Flex Cable as shown in the figure
below.

Figure 7-75. Remove PSA cover

7.8.9.5 Position and apply the new User Panel as shown in the
figures below. Press firmly on the entire surface of the new User
Panel to insure that it is bonded correctly.

Figure 7-76. Apply new User Panel

7.8.9.6 Reconnect the small tube (4056-SEQ [2.3”]).
7.8.9.7 Perform steps 6.8.10.4 - 6.8.10.11 from section “INLET CAP INSTALLATION”.

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7.8.10 INLET CAP INSTALLATION (SP9756V2-SEQ)
7.8.10.1 Place O-Ring in the Ring Sleeve.
O-Ring(9374-SEQ)

Ring Sleeve(9928-SEQ)

Figure 7-77. O-ring attached7.8.10.2 Align and slide the three O-Rings in the Ring Sleeveover the three struts.
NOTE: Verify arrow points towards the inlet cap.

Figure 7-78. Arrows on O-ring

7.8.10.3 Place the Extended Top Cap (SP9756V2-SEQ) over the
STRUTS so that the LCD Display is lined up with the Membrane Panel Window.

9928-SEQ

Figure 7-79. Inlet Caps

7.8.10.4 Connect the Breath Detect Tube.

breathdetecttube
Figure 7-80. Breach Tube

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7.8.10.5 Insert Power Harness wires from the Extended Top
Cap and tighten the screws to 4.4 in-lbs. Route AC power wires
through ferrite attached to board.
NOTE: Battery wire polarity indicated on the PCBA. Red is (+) andBlack is (-).

power
harness

Figure 7-81. Power Harness Wires

7.8.10.6 Insert Front Panel Flex cable flush with locking connector. Apply 2” of Kapton Tape (2696-SEQ) on the Mounting
STRUT.
front panel
flex cablesecuring tape(2696-SEQ)
Figure 7-82. Flex cable

7.8.10.7 Connect the Ambient Air Thermistor and connect 9V
Battery Connector as shown.

9v battery
connector

Ambient Air
Thermistor

Figure 7-83. Ambient Air Thermistor

7.8.10.8 Attach the Oxygen Outlet Tube (6981-SEQ) to the Flow
Valve outlet port and secure with a cable tie.
NOTE: If flow valve is not installed, refer to Flow Valve Replacement
Procedure.

oxygentube

Figure 7-84. Oxygen Outlet Tube

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7.8.10.9 Secure the three Inlet Cap Mounting screws (9914-11SEQ) to each STRUT.

inlet cap
mounting screws
9914-11-SEQ

Figure 7-85. Inlet Cap mounting screws

7.8.10.10 Insert and connect the 9V Battery (9257-SEQ) and theFilter (9798-SEQ).

filterFigure 7-86. 9V battery

7.8.10.11. Align the Air Inlet Cover (9758-SEQ) to the top of the
SAROS and tighten the four screws (9291-SEQ).

tightenscrewsFigure 7-87. Align covers and tighten

7.8.11 INSTALLATION OF THE SLEEVE & BATTERY INTERFACE PLATE
7.8.11.1 Slide Sleeve (21341894) and Ring sleeve with O-Rings(9928-SEQ) over struts, and insert it into Aligning Ring that is
attached to the Inlet Cap.

sleeveFigure 7-88. Slide Sleeves

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7.8.11.2 Align second Sleeve (21341894) AND O-RING (9928SEQ) over the STRUTS, to the Sleeve leaving the Battery board
exposed.

alignmentring

Figure 7-89. Second sleeve

7.8.11.3 Attach the Battery Interface Assembly (21494877) to
the Rain Guard by attaching the two screws (9960-15-SEQ).
Torque to 3.5 in-lb.

Figure 7-90. Battery Interface Assembly

7.8.11.4 Connect battery wires to battery bridge board assembly.
Align and attach the Exhaust tube to the Exhaust port on theRain Guard.

Figure 7-91. Attach

7.8.11.5 Align the three screws (9914-12-SEQ) of the Battery
Interface Plate (SP9939-1-SEQ ) to the Rain Guard. Torque to 15
in-lb.

Figure 7-92. Align52 | MN260 D

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8.0 CLASSIFICATION
Type of protection against electric shock:Class II Protection from electric shock is achieved by double			insulation.
Degree of protection against electric shock:Type BF
Equipment providing a particular degree of		 protection against electric shock regarding		 1) allowable leakage current;		 2) reliability of protective earth connection (if present).
		 Not intended for direct cardiac application.
Independent testing for Medical Electrical Equipment Standard:
Tested to be in compliance with
• IEC 60601-1 edition 3.1: Medical Electrical equipment Part 1 General Requirements for safety.

Protection against potential electromagnetic or other interference between the equipment and other devices.
• Tested to be in compliance with EN 60601-1-2/IEC
		 60601-1-2: 4th Edition.
• Tested to be in compliance with RTCA/DO160
Section 21 Category M.
• CISPR 11 / EN 55011 Class B Group 1, “Industrial,
Scientific, and Medical (ISM) Equipment”• FCC Part 15, Subpart B – Class B Unintentional Radiators
IP33 – Protection against ingress of tools, thick wires, etc. >
2.5mm. Water falling as a spray at any angle up to 60° fromthe vertical shall have no harmful effect.
Method of cleaning and infection control allowed: Please refer
to “Cleaning, Care, and Proper Maintenance” section of thisFreeStyle User Manual.
Degree of safety of application in the presence of flammableanesthetic gases: Equipment not suited for such application.
Mode of operation: Continuous duty.

9.0 SERVICE RECORDS & RETENTION
9.1 RECORD HOURS OF OPERATION AND SOFTWARE VERSION
To help maintain the SAROS, you may obtain the Total Hours of Operation and software version numbers for the Control Board.
To obtain system information, follow these steps:
Press the “Utility” Button on the control panel and advance to the following display mode for each time the icon is depressed:• Tactical Mode
• Pulse Sensitivity• Tactical Brightness• Hour of Operation• Alarm Code• LCD Contrast• Normal Brightness• System Software Version• Tactical Volume• 9-volt Battery Status• Motor Software Version
Total Hours of Operation
Alarm Code
Pulse Sensitivity
LCD Contrast
Tactical Volume
Tactical Brightness
Normal Brightness
9-Volt Battery Status
Hour Meter
System Software Version
Motor Software Version
Table 9-1. Log the Results

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9.2 SERVICE AND MAINTENANCE RECORD
Whenever maintenance or service is performed on an SAROS unit, an entry should be made in the service log for that concentrator or recorded in accordance with your company’s standard procedure. Whenever the sleeve of the SAROS is removed, the flow
rate, purity, and alarm status should be verified per the Test Procedures in this manual.
SAROS Serial Number:
Date

Hour Meter
Reading

InitialsService
Performed							

PurityTable 9-2. Sample SAROS Maintenance Record

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Flow

AlarmsComments

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APPENDIX A
A.1 SAROS PERFORMANCE VERIFICATION CHECKLISTSAROS Serial Number:
Hours of Operation:

Date of Testing:A. General Operation Test

Pass

Fail

Acceptable Range

Recorded Reading

1) Battery installs properly
2) External power cord (AC or DC)
connects securely
3) Unit powers on after holding ON/OFF button for 3 seconds
4) Audible alarm sounds upon start-up5) 5-minute warm up period complete with noaudible alarm
6) Utility Mode shows no active alarms after
5-minute warm up7) Battery icon visible on screen8) Battery is charging or already fully charged
9) Increase and decrease flow buttons arefunctional
10) Pulse flow mode button is functional11) No breath alarm is functional
12) Unit runs on battery power13) No battery alarm is functional
14) Automatic re-start when power is reconnected

B. Flow and O2 Concentration Test

1) Continuous Flow Setting Verification
C3 (3.0 LPM) ) O2 Concentration
C3 (3.0 LPM) flow -- 60 second averagereading1
C2 (2.0 LPM) ) O2 Concentration
C2 (2.0 LPM) flow -- 60 second averagereading1

2) Pulse Flow Mode Verification(only one method below required)P48 (48 mL) -- 5 bolus average reading (ifmanually recording measurements)
P96 (96 mL) -- 5 bolus average reading (ifmanually recording measurements)
P48 (48 mL) -- average reading (if tester
records readings)
P96 (96 mL) -- average reading (if tester
records readings)

90 - 96 %Argon-Compensated Non Argon-CompenTesting Device: 2.70 sated Testing Device:- 3.30 LPM
2.60 - 3.20 LPM
90 - 96 %Argon-Compensated Non Argon-CompenTesting Device: 1.80 sated Testing Device:- 2.20 LPM
1.70 - 2.10 LPM

40.8 - 55.2 mL

1:

2:

3:

4:

5:

Avg:

81.6 - 110.4 mL

1:

2:

3:

4:

5:

Avg:

40.8 - 55.2 mL

1: NA

2: NA

3: NA

4: NA

5: NA

Avg:

81.6 - 110.4 mL

1: NA

2: NA

3: NA

4: NA

5: NA

Avg:

C. Battery Run Time Test

C3 (3.0 LPM)

Acceptable Range

Recorded Reading> 24 minTable A-1. SAROS Performance Verification Checklist

Footnotes: (1) The SAROS is BTP compensated. If measuring concentration and/or flow with a device that is non-Argon compensated andnon-BTP compensated, the acceptable range of the device readings will be reduced by 0.1 LPM.
Technician Name (print): _______________________________________
Technician Signature: _________________________________________

Date: _______________________

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NOTES

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NOTES

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www.caireinc.com

CAIRE Inc.
2200 Airport Industrial Dr., Ste. 500
Ball Ground, GA 30107 U.S.A.
Medical Product Service GmbH
Borngasse 20
35619 Braunfels, Germany
Tel: +49 (0) 6442-962073
Email: info@mps-gmbh.eu
CAIRE and CAIRE Inc. are registered trademarks of CAIRE Inc.
Please visit our website below for a full listing of trademarks. Trademarks: www.caireinc.com/corporate/trademarks/.
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Lysol® is a registered trademark of Reckitt Benckiser, UK.
© Copyright 2022 CAIRE Inc. All Rights Reserved. CAIRE Inc.
reserves the right to discontinue its products, or change the prices,materials, equipment, quality, descriptions, specifications and/or
processes to its products at any time without prior notice and withno further obligation or consequence. All rights not expressly statedherein are reserved by us, as applicable.

|MN260-Dh~
15 Dec 2022 MN260-D