Maico ER GH AP, Installation And Operating Instructions Manual

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8 Mounting preparations
12
12 Main duct (steel
folded spiral-
seams duct)
15 Spigot
16 Shaft wall 17 Ceiling com-
pound
18 Floor ceiling 20 Steel threaded
rod / stair bolt
21 Duct fastener 22 Duct clamp /
clamping band
23 Steel folded
spiral-seams duct
24 Wall/board seal
25 Suspended ceil-
ing
26 Steel screws or
steel blind rivets
(3 of each)
27 Steel duct bend 27.
1
Anchor bolt /
steel dowel
27.
2
Metal expansion
dowel 28 Retaining bolt
with nut
29 Retaining bolt 30 Steel clamping
band
Keep a maximum distance of 1.5 m between
the duct fastenings. It is essential to observe
the installation instructions: Mounting prepara-
tions [
} 9] .
Duct attachment with duct clamp,
alternatively duct attachment with clamping
band
Danger due to fire transmission
DANGER Danger to life due to fire trans-
mission if an incorrect connection duct is
used on the APB housing when installed in
the ceiling.
Always use steel folded spiral-seams ducts for
the connection.
DANGER Danger to life due to fire trans-
mission in case of faulty ceiling compound.
It is essential that the remaining gap between the
main duct and the wall or ceiling is completely
sealed with non-flammable materials that are res-
istant to deformation. For example, use concrete
or cement mortar.