Bosch FAS-420-TM - Replacing the Detector Module

FAS-420-TM Aspirating Smoke Detector Maintenance | en 87
Bosch Sicherheitssysteme GmbH Operation Guide F.01U.088.878 | 4.1 | 2010.11
7.4 Replacing the Detector Module
1. Remove the four screws from the detection module using a screwdriver and pull the
detector module out of the housing base.
2. Insert the new detector module into the housing base. When doing this, be aware of the
mechanical coding, which protects the device against twisting.
Replug the X4 jumper.
3. Retighten the four screws on the detector module using a screwdriver.
4. The unit is initialized automatically when the X4 jumper is replugged.
Figure 7.1 Replacing the air filter of the FAS-420-TM
1Screws
F
A
S-4
2
0
-
TM
s
e
rie
s
1