Smoke Alarm User Manual

Installation, Operation and Maintenance Manual
Issue 1 Page 8-15
February 2001
8.4.5 Replacing the Display Module
When considering the following list of procedures, it is assumed that the lid has been removed from the
Detector. To replace the Display Module when it is fitted within the Detector proceed as follows:
(1) Remove the 24 V DC supply from the Detector.
(2) Unplug the inter-connection harness from the termination board.
(3) Remove the Display Module by pushing the two retaining clips, one each side and
pushing from the rear.
(4) Remove the replacement Display Module from its carton and carry out a visual inspection
of the unit to ensure that no damage has occurred during transit.
(5) Fit the Display Module into the recess ensuring the correct orientation and secure into
position by the two retaining clips.
(6) Connect the interconnection harness to the termination board.
(7) Replace the lid and secure with the two locking screws.
Prior to powering up the Detector ensure that the following procedures have been completed:
(1) The Display Module is secured correctly.
(2) The Display Module is connected correctly.
Figure 8.6 Replacing the Display Module