11. Mounting preparations
15
Cut connection duct to a length
which allows it to be fitted on the
exhaust socket and also sealed for
ventilation at the unit end.
7. Lay suction duct [15] and seal gap
remaining correctly as described in
previous mounting instructions.
8. Lay power cable [20] in shaft and allow to
protrude by around 30 cm above the shaft
opening.
9. Lay power cable [20] in line with
chapter 11.4.
11.3 Ceiling installation preparations
15 Suction duct for second room connection
on ER-UP/GH: flexible aluminium duct
AFR 75/AFR 80
18 Main duct: Steel folded spiral-seams duct
19 Connection duct on ER-UP/GH:
flexible aluminium duct AFR 75/AFR 80
20 Power cable
Be sure to note the mounting
information in chapter 11.2.
Preparing the shaft and suspended ceiling
1. Produce an opening in the suspended
ceiling (fire resistance not stipulated).
2. Produce opening for connection duct [19]
Ø 75 or Ø 80 in shaft.
3. For a second room connection, produce
the opening in the wall or shaft for the
suction duct [15]. Observe installation
positions for the second room connection.
3
Summary of Contents for ER-UP/GH
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