Building Technologies A6V10334410_h_en_--
Fire Safety 2015-09-29
Removing the housing cover
Removing the housing cover
The housing is free from dust.
Do not disconnect the connection cable running between the housing cover
and the back box.
1. Remove the two screws on the top of the aspirating smoke detector using a
size 2 Phillips screwdriver (step 1).
2. Slide the housing cover in the direction of the arrow until it snaps into place
(step 2).
The housing cover is open.
Opening of the housing is logged in the modification memory.
The
fault indicator flashes and the buzzer is switched on.
The relay outputs remain active and the 4…20 mA analog output has been
switched to fault (0.5 mA).
3. Press the button to switch off the buzzer.
The relay outputs are deactivated.
The 4…20 mA analog output remains on fault.
4. Take hold of the housing cover on the left and right (A) and pull the side walls
apart (step 3).
5. Lift the housing cover off the back box (B). When doing this, be aware of the
connection cable (step 3).
The housing cover is removed.
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