NFW-50X Manual —
P/N LS10129-001NF-E:C 7/25/2018
13
Specifications
Product Description
N-ANN-RLY Form-C Relay Module
N-ANN-LED Annunciator Module annunciates alarm, trouble and supervisory (required for emergency signaling)
N-ANN-RLED Annunciator Module annunciates alarms only
1.2 Specifications
Refer to Illustration on page 10 for terminal locations and connections.
AC Power - TB13
Operates in either 120 or 240 VAC, 50/60 Hz, 3.25 amps, auto-sensing. No switch or jumper required.
Wire size: minimum 14 AWG (2.00 mm
2
) with 600 V insulation
Battery (Sealed Lead Acid Only) - J15
Maximum Charging Circuit: Normal Flat Charge – 27.6 VDC @ 1.5 amps
Maximum Battery Charger Capacity: 18 Amp Hour (FACP cabinet holds maximum of two 18 Amp Hour batteries. The BB-26 Battery
Box holds two 26 Amp Hour batteries and the CHG-75. For greater than 26 Amp Hour up to 120 Amp Hour batteries, use the CHG-75
or CHG-120 Battery Charger and NFS-LBB Battery Box).
Minimum Battery Size: 7 Amp Hour
Note: Refer to the programming section to disable the FACP battery charger when using an external battery charger.
Communication Loop - TB12
24 VDC nominal, 27.6 VDC maximum
Maximum length - refer to “Wire Requirements” on page 138)
Maximum loop current is 200 mA (short circuit) or 100 mA (normal)
Maximum loop resistance is 40 ohms
Supervised and power-limited circuit
Refer to
SLC Wiring manuals
for wiring information
Notification Appliance Circuits/Special Application (Auxiliary) Power - TB4 & TB5
Two (2) Class B NAC circuits or two (2) Class A circuits
Special Application, filtered power
Power-limited circuitry
NAC wiring requirements refer to “NAC Wiring” on page 139
Nominal operating voltage: 24 VDC
Current-limit: fuseless, electronic, power-limited circuitry
Maximum signaling current per circuit: 2.5 amps special application, 250 mA regulated for NACs (see Figure 1.1 on page 14)
Maximum signaling current per circuit: 1.0 amp for auxiliary power
End-of-Line Resistor: 4.7 k
Ω
, ½ watt (P/N 71252 UL listed) required for each circuit; system capable of 1.9 k
Ω
- 22 k
Ω
ELR range.
Refer to the
Device Compatibility Document
for listed compatible devices
A circuit programmed for auxiliary power does not support notification appliances.
Two Programmable Relays and One Fixed Trouble Relay - TB1, TB2, & TB3
Contact rating: 2.0 amps @ 30 VDC (resistive), 0.5 amps @ 30 VAC (resistive)
Form-C relays
Refer to Figure 2.6 on page 24 for information on power-limited relay circuit wiring
Remote Sync Output - TB8
Remote power supply synchronization output
24 VDC nominal special application power
Maximum current is 350 mA
End-of-Line Resistor: 4.7K
Ω
Output linked to NAC 1 control
Supervised and power-limited circuit
Programmable Class A or Class B wiring
Secondary ANN-BUS - TB10
ANN-BUS annunciator connector, Terminal 1 (+/A) and Terminal 2 (-/B)
Annunciators require non-resettable power
Primary ANN-BUS - TB9
Class A or Class B wiring
ANN-BUS annunciator connector, Terminal 1 (+/A) and Terminal 2 (-/B)
Class A wiring uses Terminal 3 (+/A Return) and Terminal 4 (-/B Return)
Annunciators require non-resettable power
