Ampac SP Series, Installation, Commissioning & Operation

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FireFinder
™
Installation Commissioning & Operation
Page 12
5.10 Brigade / PSU Monitor Board 302 - 6730
The Brigade / PSU Monitor Board monitors and controls the power supply, battery charging, monitored /
un-monitored inputs, outputs and the 7 relay outputs.
Providing the Power supply has adequate capacity monitored Bell/Sounder O/P’s are capable of driving 2
X 2Amp circuits. Each circuit, terminated in a bell/sounder or not, requires a 10K EOL resistor to give a
system normal indication. If either circuit is open or shorted, the panel buzzer will sound and a Sounder
Fault will be indicated on the Panel. Monitoring is achieved using a small reverse polarity current. For this
reason it is necessary to ensure that all alarm devices are fitted with a series diode (1N4004
recommended) and correct polarity is observed for both the output and the sounders they are connected
to.
Relay outputs marked NO, C and NC are voltage free relay contacts. Outputs ve and -ve are
fitted with resistors (10k) to allow the circuit to be monitored. If these outputs are un-used they must be
terminated at the terminal block or turned off in
ConfigManger
.
For all outputs combined, total output current is 2A ( if 2.5A power supply is being used ).
Once all the field devices are installed and the wiring has been correctly terminated the
FireFinder
™
is
ready to turn on. Turn the Mains power on, and connect the batteries observing correct polarity. The green
power on LED should be illuminated.
OUTPUT RATINGS
TB Function Type of Output Fuse Relay
Bell 1 2 Amp Fused F2 RL 1 3
Bell 2 2 Amp Fused F3 RL 1
Plant (Aux) Monitored 1 Amp Fused F4 4
Plant (Aux) Non-Monitored 1 Amp Voltage Free Contacts RL2
Warn Sys (Evac) Monitored 1 Amp Fused F5 5
Warn Sys (Evac) Un-Monitored 1 Amp Voltage Free Contacts RL3
Fault Monitored 1 Amp Fused F6 6
Fault Non-Monitored 1 Amp Voltage Free Contacts RL 4
7 Isolate 1 Amp Voltage Free Contacts RL6
8 Alarm 1 Amp Voltage Free Contacts RL 5
9 Valve Monitor 1 Amp Voltage Free Contacts RL 8
10 Batt Fail
( Relay Normally Energised )
1 Amp Voltage Free Contacts RL 7
1 Battery Output Thermistor Protected
Aux Power Output 1 1 Amp Fused Not Monitored F7 2
Aux Power Output 1 – EV40 use 3 Amp Fused Not Monitored F7
Aux Power Output 2 1 Amp Fused Not Monitored F8
Fuse Information
1. All fuses are of the Glass M205 style.
2. F1 is 6.3A
3. Voltage Free contacts are rated at 1A @ 30V
Back EMF Protection
L
Inductive loads fitted to the Brigade PSU Monitor Board MUST be fitted with “Flyback”
diodes at the load for back EMF protection.
Transient Protection
L
Recognised transient line protection methodologies at the FACP and the load MUST also be
considered when connecting any control devices to the outputs be they in close or remote
proximity to the FACP.