Smoke Alarm User Manual

Installation, Operation and Maintenance Manual
Page 8-14 Issue 1
February 2001
8.4.4 Replacing the Fan Module
When considering the following list of procedures, it is assumed that the lid has been removed from the
Detector.
To remove the fan module proceed as follows:
(1) Remove the 24 V DC supply from the Detector.
(2) Disconnect the exhaust port adapter, if used to return the sampled air to the area of
origin.
(3) Push the exhaust outlet away from the fan module.
(4) Disconnect the 24 V supply connection to the termination board.
(5) Release the three retaining clips around the outside edge of the fan module housing.
(6) Lift the fan module from the Detector, the item is removed as a complete unit.
To replace the fan module simply push into position and secure by the three retaining clips. The exhaust
outlet should then be inserted into position. The 24 V connection to the termination board can be
connected. The 24 V DC supply can then be applied to the Detector.
Figure 8.5 Replacing the Fan Module