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 system 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

Risk of incorrect installation if non-permitted mounting material is used.

  1. Only secure connection duct to ceiling with permitted mounting material (duct clamp or clamping band).

Prescribed mounting material

 

Steel screw

Steel dowel

Masonry or concrete

Panel building materials

 

  1. Install lower part of housing on ceiling as described in “Wall installation” chapter.

It is essential that the hazard notes in: Mounting preparations 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

  1. Check ease of movement of shut-off shutter/backflow preventer. When installed, the shut-off shutter/backflow preventer must close automatically.