Replacing The Air Filter In The Housing Base - Bosch FAS-420-TM-R Operation Manual

Aspiration smoke detector LSN improved
8.5

Replacing the Air Filter in the Housing Base

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3
Replacing the air filter of the FAS-420-TM
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Bosch Sicherheitssysteme GmbH
Remove the four screws from the detection module using a screwdriver and pull the
detection module out of the housing base.
Pull both filter brackets out of the housing base and remove the filter inserts. Carry out a
visual check for contamination and replace the filter if necessary. Then put the filter
bracket back into position.
Retighten the four screws on the detection module using a screwdriver.
1
Operation guide
Maintenance | en
1 Screws
2 Air filter bracket
3 Filter insert
2020.04 | 5.1 | F.01U.088.878
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