Siemens FDS221-W Technical Manual page 33

Building Technologies
Fire Safety
WARNING
Danger of falling
Bodily injury
When installing, use a secured ladder or work platform.
Only use the appropriate detector exchanger and tester or detector tester as
mounting tools.
Mounting (Fig. 1 and 2)
1. Install the M20 x 1.5 metal cable gland in the housing.
2. Install the housing securely onto the substructure using 2 screws (detail A).
3. Screw the cover securely onto the housing using 4 screws.
4. Place the detector base in 'base attachment wet FDB295' and listen for it
clicking into place.
5. Screw the detector base securely onto 'base attachment wet FDB295' using
2 screws.
Removing the detector base
1. Loosen the two screws on the detector base.
2. Disengage the lock with a screwdriver (listen for click).
3. Remove the detector base from 'base attachment wet FDB295'.
Mounting / Installation
Base attachment wet FDB295
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2016-02-09