Multicrest
fire alarm systemTM

FRRU004-MOM4
MONITORED OUTPUT MODULEFeatures• One simple LED for status indication• NFPA Class A (Styles 6 & 7) and Class B (Style 4) for SLC• NFPA Class B (Style Y) for NAC• UL listed with Potter/Amseco®, Gentex®,
and Cooper Wheelock® syncro-modules and devices• Electronic address setting• Downsized unit
• Easy installation

Description
The Monitored Output Module (FRRU004-MOM4) provides a programmable source of power to control and operate output devices including
notification appliances and releasing devices. Additionally, it continuously supervises wiring connected to terminals A+, A- for open or short circuits
and 24+ and 24- when 24VDC is applied.
FRRU004-MOM4 employs one red LED to indicate the status. In normal condition, the LED flashes. When the output is activated, the LED will turnon constantly. In case of trouble, the LED will turn off.

Ordering Information
Model no. FRRU004-MOM4Specifications
No.
1
234
5
678910
1112
13

Item
Rated voltage range of SLC input power (S+,S-)
Maximum SLC 24 VDC standby current (S+,S-)
Maximum SLC 24 VDC alarm current (S+,S-)
Rating for connected device power ( Releasing device and NAC)
Max. supervising current for external 24 VDC input power (24+,24-)
Wiring styleEnd-of-line resistor value for notification applianceEnd-of-line device for releasing device
Maximum wiring resistance of output circuit wiring
Maximum wiring capacitance of output circuit wiring
Operating temperature range
Operating humidity range
Dimensions

14

Applicable electrical box for installation

Specification
22.0 to 24.0V
250µA
1mA
24VDC, 2A
1.6mA
NFPA Class B (Style Y)
5.1kΩ, 1/2W
5.1kΩ, 1/2W with diode
Refer to Wiring diagram
1µF
0°C to 49°C (32°F to 120°F)
0 to 93% (non-condensing)
106mm (4.17 inches) (H) × 106mm(4.17 inches) (W)× 29mm (1.14 inch) (D)North American 64mm (2-1/2 inches)deep 2-gang box
Standard 4 inches square box 38mm (1-1/2 inch)deep box

Setting the Address
Each addressable module, smoke detector, heat detector and combination detector must have the address set before connecting the device tothe Signaling Line Circuit (SLC) loop. The address is set using the hand held device programmer or the addressing feature on the control panel.

Installation
Figure 1: Installation into the compatible electrical box

Wiring Diagram
Figure 2: Output Connected to a NAC
Select DC

From FACP orprevious module

JP1
SLC Loop

To the nextmodule
From UL1481 power limited power
supply or previous module

24VDC(+)
24VDC(-)

To the next module

24VDC(+)
24VDC(-)

End of line resistor
5.1k ohm 1/2W

S+
S24+
24-A+
A-+-+-+-LED

Note: 1. The following synchronization modules may be used for strobe synchronization.
• SM-12/24 (Wheelock)• DSM-12/24 (Wheelock)• SMD10-3A (AMSECO)
Refer to respective Sync Module manuals for the proper wire connection method and limitations.
2. when notification appliances are connected to the FRRU004-MOM4, additional FRRU004-MOM4 modules should be separated by ashort circuit isolator (SCI). If wiring Class A, Style 7, then each FRRU004-MOM4 is required to have its own listed UL 1481 power supply.
3. When notification appliances are connected to the module, the resistance values of terminals OUT+, OUT- must be less than R max below.
R max = (24V - V min) / lt
V min: Min. operating voltage of connected device
lt: Total of operating current of connected device (ampere)
Figure 3: Output Connected to a Releasing Device
Select DC

From FACP orprevious module

JP1
SLC Loop

To the nextmodule
From UL1481 power limited power
supply or previous module

24VDC(+)
24VDC(-)

To the next module

24VDC(+)
24VDC(-)

End of line device
5.1k ohm 1/2W

S+
S24+
24-A+
AReleasing Device
LEDNote: 1. Only one Releasing Device can be connected per FRRU004-MOM4 module.
2. When a releasing divice is connected to the module, resistance values of terminals OUT+, OUT- must be less than R max below.
R max = (24V - V min - 0.95V) / lt
V min: Min. operating voltage of connected device
lt: Total of operating current of connected device (ampere)
0.95V: Voltage to be doropped in the end-of-line device

NOTE・The information contained herein does not purport to cover all the details or variations of the equipment described, nor to provide for every
possible contingency that may be met in connection with its installation, operation or maintenance.
・Specifications are subject to change without notice. Contact Nohmi before relying on the information.
・Actual performance is based on proper application of the product by a qualified professional.
・Should further information be required or should particular concerns arise that are not covered sufficiently for the purchaser’s purposes, thematter should be referred to Nohmi or your nearest distributor.

Contact• Head Office: 4-7-3 Kudan-Minami, Chiyoda-ku, Tokyo102-8277, Japan• Phone: (81) 3 - 3265 - 0231• F A X: (81) 3 - 3265 - 5348
URL http://www.nohmi.co.jp/english/

Catalog Number 131020Ⓓ-F-16101