Panel Electronics; Main Pcb - Zircon EN54 Installation & Configuration Manual

EN54 & ISO 7240 2-8 Zone Conventional Fire Panel - Installation & Configuration Manual
B
997-532-000-1, Issue 1
March 2006
5
5.1
D
A
C

Panel Electronics

The Fire Control Panel is supplied with the following
factory-fitted electronic equipment:
•

Main PCB

•
PSU PCB
These PCBs do not need to be removed to install
the back box.
Main PCB
The Main PCB is pre-fitted in the panel and does not
require removal for panel installation.
Multi-mode pushbuttons and status indicators on the
Main PCB are used for all panel setup and configuration
actions.
The Main PCB is provided with the following features:
a. Function pushbuttons
b. Panel status indicators
c. Wiring connectors for zone wiring
d. Wiring connectors for digital inputs
e. 16-way ribbon cable connection to PSU PCB
f. Power connector to backup batteries
g. Socket SK1 connector for optional 2-way relay PCB.
h. Cover-off detection switch
i. Access Level control switch
j. Standby battery/ charger fuse.
Removing the Main PCB
Ensure ALL power is disconnected from panel and
that suitable anti-static precautions have been taken.
1 Disconnect the earth lead connection to the right-
angled, blade connector (A) located at the top, right-
hand corner of the Main PCB.
2 Carefully push up the two PCB-retaining clips (B) until
the top edge of the Main PCB is free to move (the
bottom edge of the PCB is still held in place by the
three tabs (C).
3 Gently pull the top of the Main PCB away from the
back box.
4 Disconnect the ribbon cable at socket connector SK4
(D) on the Main PCB.
Note: If the Main PCB is removed ensure the plug
remains seated in the socket on the PSU PCB.
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