EQUIPMENT:
FIRE
CLASS
DUO-CEL
PUBLICATION:
OM_DUO-CEL_APP
ISSUE No. & DATE:
2 20/06/18
PAGE 37 of 46
Alarm Circuits
1-Zone
2-Zone
4-Zone
8-Zone
Quantity
2
2
4
4
Maximum Current
per circuit
[Amps]
0.5
0.5
0.5
0.5
Output Voltage
(battery operation)
[Volts DC]
27
– 20 (dependent on battery condition)
Output Voltage
(mains operation)
[Volts DC]
28.4
– 26.4 (dependent on temperature)
Fault Monitoring
End-Of-Line resistor 10k
Reverse polarity monitored for open and short circuit faults
Protection [Self
resetting electronic]
[Amps]
0.7
0.7
0.7
0.7
Cable requirements
Cable resistance and current load must allow a voltage at the
end-of-line which is above the minimum operating voltage of the
sounders.
Outputs
Evacuate Activated
Open collector. 50mA 30V maximum current sink
Buzzer Activated
Open collector. 50mA 30V maximum current sink
Disabled
Open collector. 50mA 30V maximum current sink
Fire Signal Output
Fault Monitored
Quiescent: -2.6Vdc (10k EOL present, reverse polarity monitored)
Active (fire alarm): 24Vdc [nominal]
Fire Relay
(Not Fault Monitored)
Volt-free Relay contacts, normally de-energised.
Contact Rating: 1A 30Vdc
Fault Relay
(Not Fault Monitored)
Volt-free Relay contacts, normally energised.
Contact Rating: 1A 30Vdc