WATER ELECTROLYZER

ROX-30SA-EW
ROX-60SA-EW

INSTRUCTION MANUALFOR END USER

3-16 Minamiyakata, Sakae, Toyoake, Aichi 470-1194 Japan

L1X007115 (032017)

IMPORTANT SAFETY INFORMATION
Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, or damage
to the unit.

WARNING

Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION

Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

NOTICE

Indicates a hazardous situation which, if not avoided, could result in damage to the unit.

HYGIENE

Indicates important precautions for hygiene and food safety.

IMPORTANT Indicates important information about the use and care of the unit.
IMPORTANTThis booklet is an integral and essential part of the product and should be kept and preserved by the user.
Please read carefully the guidelines and warnings contained herein as they are intended to provide the user with essential
information for the continued safe use and maintenance of the product. In addition, it provides GUIDANCE ONLY to the user
on the correct services and site location of the electrolyzer.
Please preserve this booklet for any further consultation that may be necessary.

WARNING
This is a water electrolyzer, and should be destined only to be used for the purpose for which it has been expressly designed.
Any other use should be considered improper and therefore dangerous. The manufacturer will not be held liable or responsible
for any damage caused by improper, incorrect and unreasonable use.
The installation, and relocation if necessary, must be carried out by qualified personnel, in accordance with current
regulations, according to the manufacturer’s instructions.
This electrolyzer is not intended for outdoor use (including under canopy). Exposure to rain may cause electric leak or shock.
Direct sunlight can damage the plastic tank exterior, resulting in cracks and water leaks.
Ensure adequate ventilation. Hydrogen gas or chlorine gas may cause health problems.
Do not mix electrolyzed water with other chemicals. Mixture with acidic or chlorine-based chemicals can cause chlorine gas,
resulting in health problems.
Do not use a large volume of sanitizing water only. Generation of a large amount of chlorine gas may cause health problems
or corrosion of surrounding equipment.
The use of any electrical appliance involves the observance of some fundamental rules. In particular:* Instances of high humidity and moisture increase the risk of electrical short circuits and potential electrical shocks. If in
doubt, disconnect the electrolyzer.
* Do not damage the power cord or pull it in order to disconnect the electrolyzer from the electrical supply network.
* Do not touch the electrical parts or operate the switches with damp hands.
* This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the applianceby a person responsible for their safety.
* Children should be supervised to ensure that they do not play with the appliance.
* Do not attempt to modify the electrolyzer. Only qualified personnel may disassemble or repair the appliance.

CAUTION
Do not use a flame near a container or tank holding electrolyzed water. Hydrogen gas from cleaning water may cause ignition.

12. CONSTRUCTION

In the context of this manual, the term "sanitizing water" refers toacidic water and "cleaning water" refers to alkaline water.

[a] EXTERIOR

1. PRINCIPLE OF ELECTROLYSIS[1]

Flow of electrons

DC Power Supply

[7]

[2]
Sodium Hydroxide(NaOH)

Hypochlorous Acid
(HOCl)

Electrolytic Cell

Anode
(OX)

Na

[3]

+

Positive ions drawn
to cathode
Diaphragm

Na

-

OH

Cathode
(RED)

[6]

+

Na

+

H2

HOCl

-

OH
2e

-

Na

Na

2e

[4]

-

(Front)

H2O
Cl

-

H2O

Negative ionsdrawn to anode[5][1] Cleaning water outlet (20A)
Cl-[2] Neutralizer vent (25A)[3] Cleaning water vent (25A)

Salt Water (NaCl)[4] Water tank (left)
Holds cleaning water in normal dispensing mode and sanitizing waterin reverse dispense mode.

Reactions at Cathode
Reactionsat Anode
Reactionsat Anode- ) and hydroxide ions emit electrons
Chloride(Clhydroxide(e - )electrons
to the (e-[5]
) and
ions
) Water tank (right)
Sodium ions (Na+) receive
Chlorideions (Clions
anode, which
hypochlorousacid (HOCl).
emit electrons(e ) tobecomefromthe cathode and become sodiumHolds sanitizing water in normal dispensing mode and cleaning water
the anode,
which
in reverse dispense mode.
metal (Na) which reacts with water (H2O)
become hypochlorous acid (HOCl).

Reactions at Cathodeand becomeshydroxideand(NaOH)[6] Salt chute door
Sodium ions (Na + ) receive electrons(e - ) fromsodium
the cathodeandhydrogen(H2). (H 2 O) andOpen to add in salt.
become sodium metal (Na) which
reactswithgaswater
becomes sodium hydroxide (NaOH) and hydrogen gas (H2).
[7] Operation panel
Indicates the state of operation. See “[c] OPERATION PANEL”.
Salt water contains four kinds of ions; sodium ions (Na+), chlorineions (Cl-), hydrogen ions
[12](H+) and hydroxide ions (OH-).
[8]→
NaCl + H2O(Mix water and salt)		

[11]

Na+ + Cl- + H+ + OHSalt water (4 kinds of ions)[9]

When two electrodes are inserted into salt water and voltage is
4applied:Negative ions (Cl-) are drawn to the anode, andPositive ions (Na+) are drawn to the cathode.
At the anode, hydrogen chloride (HCl) and hypochlorous acid (HOCl)
are generated.
2Cl- + H2O→

HCl + HOCl + 2e-

Electrons (2e-) are emitted to the anode, which means the acidic
water (HCl + HOCl) causes
oxidization. [As electrons are emitted, the oxidization/reduction
potential becomes positive (+mV).]
Chlorine ions also emit electrons and become chlorine gas (Cl2).

[10]

2Cl→
Cl2 + 2e		(Cl2 = chlorine gas)[8] Sanitizing water vent (25A)

At the cathode, sodium hydroxide (NaOH) and hydrogen gas (H2) are
generated.

[10] Adjustable legs
Keep the unit level and stable.

Na+ + H2O + H+ + 2e-→(Rear)[9] Sanitizing water outlet (20A)

NaOH + H2[11] Power cord (with plug)
If the power cord is damaged, it must be replaced by a special cord orassembly available from the manufacturer or its service agent.

Electrons (2e - ) are received from the cathode, which means thealkali water (NaOH) causes reduction. [As electrons are received, theoxidization/reduction potential becomes negative (-mV).][12] Grommet
Receives the cable from the operation box (option).

2

[14]

[13]

[c] OPERATION PANEL

[15]

Front

[1]		

(Bottom)

[10]

[9]

[8]

[7]

[5]

[6]

[13] Drain outlet (G3/4 female)[14] Tank drain outlet (G1/2 female)[2][15] Water inlet (Rc1/2 female)[4][1] Electrolyzed water lamp
(Blue = cleaning water, red = sanitizing water)
Indicates the type of water stored in the tank.

[b] INTERIOR
[1]

[3]

[10]

[2] Tank level lamp (green)
Indicates the water level for each tank in three steps. Electrolyzed
water is not available if this lamp is off.

[2][3] Flush (reverse dispense) lamp (blue)
The sanitizing and cleaning water outlets are switched while this lamp
is on. Check with the electrolyzed water lamp.

[9]
[3]

[4] Replace cell lamp (red)Flashes when the electrolytic cell needs to be replaced.
[5] Error lamp (red)Comes on or flashes in case of trouble.

[4]
[8]

[6] ON/OFF switch
Starts and stops electrolyzing water.

[5]

[6]

[7] Operation lamp (green)
Stays on while the unit is in operation.
(ROX-60SA-EW: Flashes when one unit is off.)[7][1] Power switch (earth leakage circuit breaker)
Turns on and off the power supply.

[8] Add salt lamp (red)Comes on when the salt water tank is running out of salt.

[2] Control panel (B)ROX-60SA-EW only. Provided with buttons and display for setting cellfunctions. See “[d] CONTROL PANEL (A) (B)”.

[9] Reset switch
Resets the add neutralizer lamp.
[10] Add neutralizer lamp (red)Flashes when the neutralizer is getting empty.

[3] Water softener
Softens tap water.
[4] Salt water tank
Dilutes salt to make salt water.

Note: Whether the operation lamp is on or off, electrolyzed water isavailable while the power switch is on, until the tank level lamp
goes off.

[5] Neutralizer
Neutralizes sanitizing water pH.

[d] CONTROL PANEL (A) (B) [ROX-30SA-EW: Control panel (A) only][6] Neutralizer inlet
Open to add in neutralizing agent.

[1][7] Door
Open/close to evacuate the salt water pump and add in neutralizing
agent.

[2][8] Water sampling tap
Sample water to check water hardness.

[3][9] Control panel (A)Provided with buttons and display for setting cell functions. See “[d]CONTROL PANEL (A) (B)”.

[7]

[4]
[5]

[10] Water softener timer
Sets the present time and regeneration time. See “[e] WATER
SOFTENER TIMER”.

[6][1] Display
Indicates the cell run time, current, voltage, and error code in caseof trouble. Shows “STOP” when electrolysis stops for water softener
regeneration.

3

IMPORTANT
1. Use sodium chloride (NaCl) or potassium chloride (KCl)with more than 99% purity. Any other kind of salt may cause
failure, clogged pipes, or health problems.

[2] Display lamp (red)Indicates the displayed item.
[3] Display select button
For use by a trained operator and service personnel only.

2. To prevent corrosion, do not spill salt.

[4] Flush button
Press to flush the electrolyzed water circuit. The flush lamp on theoperation panel stays on while flushing.

3. Tightly close the salt chute door to avoid dust and dirt that
may cause failure.

[5] Flow rate lamp (red)Indicates the current flow rate.

1) Open the salt chute door. Add
Blue line
in salt.

[6] Flow rate button
Adjusts the flow rate of both sanitizing water and cleaning water.
Reference: HI = for utensil, MID = for food, LO = for food

IMPORTANTTo prevent clogging thesalt net, keep the salt level
below the blue line.

[7] Set/reset button
For use by a trained operator and service personnel only.

Salt chute
Salt net

2) Close the salt chute door.

[e] WATER SOFTENER TIMER

3) Press the ON/OFF switch on the operation panel. The add salt
lamp goes off.
[1]

[4]
1

10

2

9

3

6

5

[b] NEUTRALIZING AGENT LEVEL* Open the door to check the neutralizing agent level in the neutralizer.
If it is close to the “MIN” line, follow steps 1) to 3) below.

4

6

4
7

1

7

8

0 21 22 2
32

8 9 10 11

12

2
19

11

18

[2]

4) Press the ON/OFF switch again. The unit starts.

14 15 16 171213

2 3 4 5

[3]

* Check the add neutralizer lamp on
the operation panel. If it is flashing,follow steps 1) to 4) below.

[1] Contact select switch
Keep in the “AUTO” position.

1) Uncap the neutralizer. Add inneutralizing agent up to the “MAX”
line.

[2] Time indicator
Indicates the present time.

MAX

MAX

MIN

[3] Set switch
Sets the water softener regeneration time. Regeneration begins at the
red time zone.

2) Recap the neutralizer.
3) Press and hold the reset switch on the operation panel for morethan 5 seconds. The add neutralizer lamp stops flashing, then goes
off after 2 seconds.

[4] Frequency select switch
Set to your local frequency.

4) Press the ON/OFF switch if it is off. The unit starts.

[f] ACCESSORIESInstruction manual
Operation sheet
Key
Measuring cup
Neutralizing agent
Dual check valve

1
1
2
1
1
1

Installation manual
pH test paper UNIV
Chlorine test paper
Water hardness indicator
Reducing valve (0.25MPa)

4. START UP

1
1
1
1
1

After water failure, purge the water circuit according to “6. WATER
FAILURE”.
1) Close the drain valve if it is open.
2) Open the water supply line shut-off valve.

[g] OPTIONS

3) Open the water supply valve.

Automatic dispensing valve (VDW-2PB series)
Valve assembly
Operation box

Note: Each installation may have different water supply connections.
Locate the shut-off valve, water supply valve and drain valve inyour site.

Note: Ask an authorized Hoshizaki service company for installation of
the above options.

4) Open the salt chute door to check the salt level in the salt watertank. See “3. [a] SALT LEVEL”.

3. CHECKS BEFORE OPERATION (DAILY)

5) Plug in the unit.

[a] SALT LEVEL

6) Open the door.

* Open the salt chute door to check the salt level in the salt watertank. If it is low, follow steps 1) and 2) below.

7) Turn on the power switch (earth leakage circuit breaker). The unit
makes three sounds of initial operation. Then the operation lamp
comes on, and the unit starts automatically and runs until the watertanks fill up.

* Check the add salt lamp on the operation panel. If it is on, follow
steps 1) to 4) below.

48) Close the door. Electrolyzed water becomes available when thetank level lamp comes on.

1) Wipe with a soft cloth containing a calcium chloride based liquidcleanser, tap water, and cleaning water.

Note: The dispensing method depends on the dispensing valve
installed. Follow the instructions of the installer.

2) Wipe clean with a damp cloth.

IMPORTANT
1. Do not damage the stainless steel surfaces. Use of asteal brush or steel wool may break oxide film to develop
corrosion inside.

To use other than the optional dispensing valve, consult anauthorized Hoshizaki service company.
Refer to the instruction manual provided with the optional
dispensing valve.

2. Use a calcium chloride based liquid cleanser to remove
corrosion, dirt, and chlorides.

5. SHUT DOWN

3. Clean the stainless steel surfaces along with their grains ifany.

1) Press the ON/OFF switch on the operation panel. The operation
lamp goes off, and the unit stops.

[b] CLEANING WATER CIRCUIT (MONTHLY)

2) Open the door.

The cleaning water circuit has calcium and magnesium deposits.
Continuous use may build up these deposits and obstruct the water
flow, resulting in shutdown or inadequate water properties.
To prevent such troubles, flush the water circuit once a month.

3) Turn off the power switch (earth leakage circuit breaker).
4) Close the door.

Note: The flushing length and frequency depend on water quality, butshould be around two hours once a month.

5) Unplug the unit or turn off the main power supply.
6) Close the water supply line shut-off valve and water supply valve.
The water supply valve must be closed to prevent possible waterleaks in case of failure.

It is best to use the unit for a month with the flush (reverse
dispense) lamp on.
Flushing is required if there is a big difference in dispensing
volume between sanitizing water and cleaning water.

Note: Each installation may have different water supply connections.
Locate the shut-off valve, water supply valve and drain valve inyour site.

1) Press the ON/OFF switch on the operation panel. The operation
lamp goes off, and the unit stops.

6. WATER FAILURE
In case of water failure, follow the instructions below:

2) Open the dispensing valves to drain out the left and right watertanks.

1) Shut down the unit according to “5. SHUT DOWN”.

3) Close the dispensing valves.

2) Wait until water supply is resumed.

4) Press and hold the flush button on the control panel (A) for morethan 5 seconds. The flush (reverse dispense) lamp comes on, andthe water outlets are switched.

3) Check that the water supply valve is closed.

5) Press the ON/OFF switch on the operation panel. The operation
lamp comes on, and the unit starts.

4) Open the drain valve.
5) Open the water supply line shut-off valve. Drain water until no rusty
water comes out.

Note: While the flush (reverse dispense) lamp is on, cleaning waterand sanitizing water are dispensed from the opposite outlets:

6) Close the drain valve.

Water tank (left) = sanitizing water
Water tank (right) = cleaning water

7) Start up the unit according to “4. START UP”.

6) After the flushing process completes, repeat the above steps 1) to 5).
This time the flush (reverse dispense) lamp goes off, and the wateroutlets are switched back to normal.

7. MAINTENANCE
IMPORTANT
1. Use a neutral cleaner for daily maintenance. As a sanitizer,
we recommend the use of invert soap (benzalkonium
chloride) available at a drugstore.

Note: Cleaning water and sanitizing water are dispensed from thenormal outlets:
Water tank (left) = cleaning water
Water tank (right) = sanitizing water

2. To prevent damage to the painted or plastic surfaces, do
not use thinner, benzine, alcohol, petroleum, soap powder,polishing powder, alkaline detergent, acid, scrub brush, andespecially cleanser for use on fans and cooking ranges.
Also, to prevent corrosion, do not use a chlorine bleach.

8. INSPECTION
Use a copy of “14. [a] DAILY INSPECTION SHEET” and “14. [b]MONTHLY INSPECTION SHEET” to keep records.

3. Follow the manufacturer ’s instructions when using adisposable cloth.

[a] pH, AVAILABLE CHLORINE CONCENTRATION (DAILY)

4. Remove heavy soil as required.

1) Drain more than 1 liter each of sanitizing water and cleaning water.
Sample each water from its outlet into separate containers.

[a] STAINLESS STEEL (AS REQUIRED)

2) Use the pH and chlorine test papers to check that each value is
within the following range. Use the pH test paper to directly checkwater in the neutralizer.

The stainless steel parts are easily damaged. Clean them as follows:5

Water
Sanitizing

Test Paper
pH test paper UNIV

1) Open the water sampling tap. Let waterrun for more than 5 seconds. Sample
water in the measuring cup.

pH
Approx. 3

Available Chlorine—
20 mg/kg (ppm)
Chlorine test paper—
or morepH test paper UNIV Approx. 11—
pH test paper UNIV 5.8 or more—

Open

* It is not necessary to check the available chlorine concentration ofcleaning water.

2) Pour one or two drops of the water
hardness indicator into the measuringcup, and stir a little. Check the water
hardness (red = hard water, blue = soft
water).

Note: See the instruction manual of each test paper for details of its
proper handling.

Note: For details, follow the instructions of the water hardness
indicator.

Cleaning
Neutralizer

If any of the checked values exceeds the specified range,
contact an authorized Hoshizaki service company.

Water
sampling tap[h] EARTH LEAKAGE CIRCUIT BREAKER (MONTHLY)WARNING
Check the earth leakage circuit breaker for proper operation
once a month. If it is left inoperable, it could increase the risk ofelectric shock in case of electric leak.

If water is not dispensed from its proper outlet, contact anauthorized Hoshizaki service company.
[b] SALT LEVEL (DAILY)
Check the salt level according to “3. [a] SALT LEVEL”.

1) Press the test button of the power switch(earth leakage circuit breaker).

[c] NEUTRALIZING AGENT LEVEL (DAILY)

2) Check that the switch turns off. If not,immediately contact an authorized
Hoshizaki service company.

The neutralizer prevents vaporization of chlorine generated fromwater overflowing the sanitizing water tank. Water overflowing thecleaning water tank is not neutralized but flows through the neutralizer
without changing its pH.
Check the neutralizing agent level according to “3. [b] NEUTRALIZINGAGENT LEVEL”.

OFF
Test button[i] ATTACHMENT PLUG (ANNUALLY/BIANNUALLY)WARNING
Check periodically that the attachment plug blades and theirvicinity are free of dust and that the attachment plug is securely
plugged into the receptacle. Dusty blades or loose connection
may cause electric shock or fire.

[d] WATER LEAKS (DAILY)
Check the unit and surrounding floor for water leaks. If any is found,contact an authorized Hoshizaki service company.

Check for the following problems:[e] REPLACE CELL LAMP (DAILY)

ProblemRemedyThe attachment plug or power cord Immediately ask an authorized
is too hot, damaged, weighed down, Hoshizaki service company foror caught in.
repair.
The attachment plug blades, their
Clean.
vicinity, and receptacle are dusty.
Plug into a separate receptacle.
The attachment plug is plugged
into a single receptacle with otherequipment.
The unit shares a single power
Use a separate power supply.
supply with other equipment.

Check that the replace cell lamp on the operation panel is not flashing.
The service life of the electrode in the electrolytic cell depends onwater quality. To maintain effective performance of electrolyzed
water, the electrolytic cell needs to be replaced every 3000 hours ofoperation.
If the replace cell lamp is flashing, contact an authorized Hoshizaki
service company.
[f] CELL RUN TIME, CURRENT, VOLTAGE (AS REQUIRED)To check the cell run time, current, and voltage:[j] CONSUMABLE/PERIODIC REPLACEMENT PARTS

1) Open the door.

Consumable parts:
pH test paper UNIV		Water hardness indicator2) Turn on the power switch (earth leakage circuit breaker).
3) Press the display select button on the control panels (A) and (B)[ROX-30SA-EW: control panel (A) only].

Chlorine test paper
Neutralizing agent

Periodic replacement parts:
Electrolytic cell (3000 hours)

4) Press the display select button until the desired item appears in thedisplay.

9. PREPARING ELECTROLYZER FOR LONG STORAGE

Note: It is factory adjusted to display the cell run time first.

WARNING
When shutting down the electrolyzer for more than a week, turnoff the power switch (earth leakage circuit breaker), and unplug
the unit to prevent electric leak, heat generation, or ignition.

5) Close the door.
[g] WATER HARDNESS (WEEKLY)CAUTION
When shutting down the electrolyzer for more than two days,
drain out the unit to prevent foul water from causing bacterial
growth and health problems.

IMPORTANT
Continuous use with hard water may cause clogged pipes,
reduction in performance, or failure of the electrolytic cell. If
sampled water is hard, contact an authorized Hoshizaki service
company.

6

Purge the water circuit to prevent possible freeze-up.

When one of the following error codes appears, immediately contact
an authorized Hoshizaki service company.

1) Shut down the unit according to “5. SHUT DOWN”.

If something seems wrong with the unit, check for possible causes
according to the following instructions.
If the problem still exists, turn off the power switch (earth leakage
circuit breaker), unplug the unit, and contact an authorized Hoshizaki
service company.
Only qualified personnel may repair the unit. Do not attempt to repair
it yourself.

Lamp Code
ProblemPossible Cause Remedy
Flash E14 Water valve defective
E31 Water valve (salt water tank)defective
E53 Reversing relay defective
E61 Flow switching valve
Repair or replacement is
defective
required.
E92 Water supply function
Contact an authorized
defective
Hoshizaki service
On E12 Flow rate valve defective
company.
E74 Thermistor defective
E81 Salt water tank float defective
E82 Water tank float defective
E85 Water pump float defective
E91 Water softener defective[a] OPERATIONAL PROBLEMS

The following indication on the display is not an error.

ProblemAbnormalnoise

DisplayOn
STOP Electrolysis stops for watersoftener regeneration.

2) Clean the exterior. Follow the instructions in “7. [b] CLEANINGWATER CIRCUIT (MONTHLY)”.
3) Before restarting the unit, follow the instructions in “3. CHECKSBEFORE OPERATION (DAILY)”.

10. BEFORE CALLING A SERVICE AGENT

Possible Cause
RemedyOperating sounds No problem.
(water supply,pump)
UnstableTurn the adjusting bolts to level the
installation
unit.
Contact with other Keep them away from the unit.
objects
Electrolyzed Power failure
Wait until power is resumed.
water is not Unplugged
Plug in.
available
Power switch
Turn it on. If it turns off automatically,(earth leakage
there is a risk of electric leak.
circuit breaker) is Contact an authorized Hoshizaki
offservice company.
Operation lamp
Press the ON/OFF switch. See "4.
(green) is off
START UP".
Electrolyzed Add salt lamp
Add salt. See "3. [a] SALT LEVEL".
water is not (red) is on
Purge the salt water pump. See "11.
available
PURGING SALT WATER PUMP".
Add neutralizer
Add neutralizing agent. See "3. [b]lamp (red) is
NEUTRALIZING AGENT LEVEL".
flashing
Tank level lamp
Wait until the water tank level(green) is offreaches the minimum level.
Wet floor
Water leaks
Contact an authorized Hoshizaki
service company.

OffElectrolysis automaticallyresumes at the end of watersoftener regeneration.

11. PURGING SALT WATER PUMPThis unit uses a pump to supply salt water. If the salt water pumpcontains air, electrolyzed water cannot be dispensed properly. Whenthe add salt lamp on the operation panel comes on and electrolyzed
water is not available, purge air from the salt water pump as follows:
1) Open the door.
2) Press the ON/OFF switch on the operation panel. The operation
lamp goes off, and the unit stops.
3) Press and hold the display select button on the control panels (A)and (B) [ROX-30SA-EW: control panel (A) only]. The salt water
pump starts running and pumping up salt water to purge the salt
water hose.
4) The sound of the pump becomes lower when the air is removed.
Release the display select button.
5) Close the door.

[b] WHEN ERROR LAMP COMES ON OR FLASHES

12. WARRANTY

When the error lamp (red) on the operation panel comes on or
flashes, open the door and check the error code in the display on thecontrol panels (A) and (B).

Hoshizaki warrants to the original owner/user that all Hoshizaki
branded products shall be free of defects in material and/or
workmanship for the duration of the “warranty period”. The warranty
shall be effective for one year from the date of installation.
Hoshizaki’s liability under the terms of the warranty are limited andshall exclude routine servicing, cleaning, essential maintenance and/or repairs occasioned by misuse and installations not in accordancewith Hoshizaki guidelines.

Lamp Code Problem Possible Cause
RemedyFlash E11 Inadequate Water failure
Restart the unit after water
water
supply is resumed. See "6.
supplyWATER FAILURE".
Water supplyOpen.
valve is closed

Warranty repairs should be completed by an approved Hoshizaki
dealer or service agency using genuine Hoshizaki components.

* After the problem is resolved, press the ON/OFF switch on theoperation panel. The error lamp goes off. Press the ON/OFF switch
again to resume operation.

To obtain full details of your warranty and approved service agency,
please contact:
e-Water Systems Pty Ltd
TEL : 1300 EWATER
FAX : +61(3) 9686 1377

7

13. SPECIFICATIONSModelElectrolysis System
Electrolyte
Power Supply
Electric Consumption
Performance(Standard)
Production Rate
(Standard)
Safety Device
Exterior
Dimensions
WeightTemperature Range
Water Supply

Model
Electrolysis System
Electrolyte
Power Supply
Electric Consumption
Performance(Standard)
Production Rate
(Standard)
Safety Device
Exterior
Dimensions
WeightTemperature Range
Water Supply

ROX-30SA-EW
Membrane technology
Salt containing at least 99% sodium chloride
1 phase 220 - 240V 50/60Hz
250W
Pump operation: 550/670W
Sanitizing water: pH3 or less, available
chlorine 20 - 60mg/kg
Cleaning water: pH11 or more
Sanitizing water: Approx. 2.0L/min
Cleaning water: Approx. 2.0L/min
Earth leakage circuit breaker (withovercurrent protector)
Galvanized steel (polyester powder paint),
ABS plastic, polyethylene plastic (tank)
1400mm(W) x 660mm(D) x 1800(-1830)
mm(H)
230kg
Ambient: 5 - 35°C
Water supply: 5 - 30°C
Comply with local water requirements
Pressure: 0.10 - 0.75MPa (with pressure
reducing valve)
ROX-60SA-EW
Membrane technology
Salt containing at least 99% sodium chloride
1 phase 220 - 240V 50/60Hz
460W
Pump operation: 760/890W
Sanitizing water: pH3 or less, available
chlorine 20 - 60mg/kg
Cleaning water: pH11 or more
Sanitizing water: Approx. 4.0L/min
Cleaning water: Approx. 4.0L/min
Earth leakage circuit breaker (withovercurrent protector)
Galvanized steel (polyester powder paint),
ABS plastic, polyethylene plastic (tank)
1400mm(W) x 660mm(D) x 1800(-1830)
mm(H)
250kg
Ambient: 5 - 35°C
Water supply: 5 - 30°C
Comply with local water requirements
Pressure: 0.10 - 0.75MPa (with pressure
reducing valve)814. INSPECTION SHEET
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[a] DAILY INSPECTION SHEET

Date
Time
Sanitizing waterpH

Cleaning water
Neutralizer

Available chlorine concentration*
Salt level
Neutralizing agent level
Water hardness
Water leaks around unit
Water leaks from water circuit
Cell run time
Checked by* Sanitizing water only

Date
Time
Sanitizing waterpH

Cleaning water
Neutralizer

Available chlorine concentration*
Salt level
Neutralizing agent level
Water hardness
Water leaks around unit
Water leaks from water circuit
Cell run time
Checked by* Sanitizing water only

Date
Time
Sanitizing waterpH

Cleaning water
Neutralizer

Available chlorine concentration*
Salt level
Neutralizing agent level
Water hardness
Water leaks around unit
Water leaks from water circuit
Cell run time
Checked by* Sanitizing water only[b] MONTHLY INSPECTION SHEET

Date
Check power switch (earth
leakage circuit breaker)
Flush cleaning water circuit
Date
Check power switch (earth
leakage circuit breaker)
Flush cleaning water circuit

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