Siemens OH110 Technical Manual page 40

5 Mounting / Installation
Base attachment wet BA721
40
Building Technologies
Fire Safety
Fig. 1 Installation of base attachment wet BA721
Installation on back box on substructure (2 screws)
l
Installation of housing cover on back box (4 screws)
l
Installation of detector base (2 screws)
l
Fig. 2 Master gauge for recesses
Fig. 3 Installation of protective cage DBZ1194, M20 x 1.5 metal cable gland, designation plate
DBZ1193A
Fig. 4 Installation of EMC-protective cage FDBZ294
WARNING
Danger of falling
Danger of injury
● When installing, use a secured ladder or work platform.
● Only use detector exchanger DX791 as an installation tool.
Installation (Fig. 1 and Fig. 2)
1. Install the M20 x 1.5 metal cable gland(s) in the back box of the base
attachment wet.
2. Fit the back box securely to the substructure with 2 screws (detail A).
3. Screw the housing cover to the back box with the 4 screws.
4. Push the detector base into base attachment wet BA721.
a You must be able to hear the detector base click into place.
5. Screw the detector base securely onto base attachment wet BA721 using
2 screws.
Removing the detector base
1. Loosen the two screws on the detector base.
2. Disengage the lock with a screwdriver ('click').
3. Remove the detector base from base attachment wet BA721.
See also
2 Detector heating unit FDBH291 [➙ 26]
2 EMC-protective cage FDBZ294 [➙ 27]
2 Protective cage DBZ1194 [➙ 27]
A6V10316298_e_en_--
2014-05-21