Document #50801 Rev. B 8/17/98 P/N 50801:B
9
Specifications
1.2 Specifications
AC Power - TB1
120 VAC, 60 Hz, 2.3 amps
Wire size: minimum #14 AWG (2.0 mm
2
) with 600V insulation
Battery (lead acid only) - J1
Maximum Charging Circuit: Normal Flat Charge—27.6V @ 0.8 amp
Maximum Charger Capacity: 18 Amp Hour battery (MS-2410BC cabinet holds maximum 7 Amp Hour battery.
Larger batteries require Fire•Lite BB-17F)
Initiating Device Circuits TB6 and TB7
General Alarm Zones 1 through 8
Smoke Zones or Supervisory Alarm Zones 9 and 10
Operation: All zones Class B
Normal Operating Voltage: Nominal 24 VDC (ripple = 100 mV maximum)
Alarm Current: 15 mA threshold
Short Circuit Current: 42 mA maximum
Maximum Loop Resistance: 100 ohms
End-of-Line Resistor: 4.7K, ½ watt (Part #27072)
Detector Loop Current is sufficient to ensure operation of two alarmed detectors per zone
Standby Current: 7.26 mA (includes ELR and 2 mA maximum detector current)
Smoke Detector Identifier A
Refer to Fire•Lite Device Compatibility Document for listed compatible devices.
Notification Appliance Circuits - TB3
Class B wiring
Operating voltage nominal 24 volts
Current for all external devices: 3.0 amps expandable to 6.0 amps
1
Current Limit: TB3 via PTC
Maximum signaling current/circuit: TB3 = 1.25 amps expandable to 2.5 amps
End-of-Line resistor: 4.7K, ½ watt (Part #71252) for Notification Appliance Circuits
Refer to Fire•Lite Device Compatibility Document for listed compatible devices
Three Form-C Relays - TB4
TB4 relay contact rating: 2.0 amps @ 30 VDC (resistive), 2.0 amps @ 30 VAC (resistive)
Four-wire Smoke Detector Power - TB2 Terminals 3(-) & 4(+)
Maximum ripple voltage: 10 mV
RMS
Operating Voltage nominal 24 volts
Up to 500 mA is available for powering 4-wire smoke detectors
1
Recommended maximum Standby current is 50 mA
2
Refer to Fire•Lite Device Compatibility Document for compatible listed device
1. Total current for nonresettable power, four-wire smoke power, and two Notification Appliance Circuits
must not exceed 6.0
amps.
Total system current in excess of 3.6 amps requires the XRM-24 Transformer and 12 Amp Hour or 18 Amp Hour
batteries.
2. For power supply and battery calculations, refer to Appendix A.
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