Fitting A-Bus Pcbs - C-TEC CAST ZFP Installation, Maintenance & Operating Manual

Analogue addressable fire alarm control panel

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CAST ZFP Analogue Addressable Fire Alarm Panel

6.5

Fitting A-Bus PCBs

Important Note: Before installing the PCBs, isolate the mains supply and disconnect the panel's battery back-

up supply.

Fit the A-Bus PCBs as shown in the example below. Items supplied with the PCB include plastic mounting

rails and retaining screws.

Stepped Chassis Layout Example (shown below)

Note that a Main 2-Loop PCB, Relay PCB and Digital I/O PCB are shown in the example below.

Note 1: On a standard 1 slot cabinet, only a stepped chassis can be used.

Note 2: Only one full size PCB can be fitted on a step (an 8-way Relay PCB is shown in the example above).

Page 25 of 60  Approved Document No. DFU5030000 Rev 4  Installation and Programming Manual

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