7 Mounting preparations
37
8. Lay power cable in shaft and allow to protrude
by around 30 cm above the shaft opening.
7.3 Ceiling installation preparations
12 Suction duct for second room connection on
ER GH
:
AFR 75
/
AFR 80
flexible aluminium
duct
14 Main duct: Steel folded spiral-seams duct
15 Connection duct on
ER GH
:
AFR 75
/
AFR
80
flexible aluminium duct
16 Power cable
Be sure to note the approval and installa-
tion information
:
Preparations for wall installa-
.
Preparing the shaft and suspended ceiling
1. Make an opening in the suspended ceiling.
2. Make an opening in the shaft for DN 75 or DN
80 connection duct.
3. For a second room connection, produce the
opening in the wall or shaft for the suction
duct. Observe installation positions for the
second room connection.