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10.2 Ceiling installation, lower part of housing
6
Lower part of housing
7
Cable grommet
10
Metal connection socket with ER-APB
shut-off device
10.3
ER-APB: Fixing screw, to be provided
by the customer
11
Plastic connection socket with ER-AP
plastic backflow preventer without fire
protection
12
Main duct (steel folded spiral-seams
duct)
22
Connection duct: steel folded spiral-
seams duct. For ceiling barrier sys-
tem or ventilation ducts without fire
protection, flexible aluminium duct
25
Steel blind rivets (3 items / 120°), to
be provided by the customer
31
Fixing screw (to be provided by the
customer)
32
Power cable
33
Fixing screw (to be provided by the
customer)
34
Housing seal
DANGER Risk of incorrect installation if
non-permitted mounting material is used.
Only secure connection duct to ceiling with per-
mitted mounting material (duct clamp or clamping
band).
Prescribed mounting material
Steel screw
Masonry or
concrete
Panel building
materials
1. Install lower part of housing on ceiling as de-
scribed in "Wall installation" chapter.
It is essential that the hazard notes in:
Mounting preparations [} 10] are observed.
It is essential that the safety instructions for
the shut-off device or shutter are observed:
ER-APB: Safety instructions for installation of the
fire protection shut-off device [} 7]
2. Check ease of movement of shut-off shutter/
backflow preventer. When installed, the shut-
off shutter/backflow preventer must close
automatically.
10 Housing installation
Steel dowel
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17
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