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11. Installation preparations
3
5. Connect connection duct [18], suitable for
the ER-UP housing, to the main duct and
seal for ventilation.
6. Cut connection duct [19] to length, note a
maximum duct length of 2 m.
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 [9] 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. In the ceiling area, fit a spigot ( Fig. 4)
made from shaft material F90 around
the shaft.
The spigot compensates for the
length of the shaft walls in the event
of a fire.
10. Lay power cable [20] in line with chapter
11.4.
16
11.3 Ceiling installation preparations
9
Suction duct for second room connection on
ER-UP/G: Flexible aluminium duct
AFR 75/AFR 80
ER-UPD: Flexible aluminium duct
AFR 75/AFR 80 or
steel folded spiral-seams duct Ø75/Ø80
ER-UPB: Steel folded spiral-seams
duct Ø75/Ø80
18 Main duct: Steel folded spiral-seams duct
19
Connection duct on
ER-UP/G: Flexible aluminium duct
AFR 75/AFR 80
ER-UPD: Steel folded spiral-seams
duct Ø75/Ø80
ER-UPB: Steel folded spiral-seams
duct Ø75/Ø80
20 Power cable
Be sure to note the approval and
mounting instructions 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
Ø 75 or Ø 80 in shaft.
[19]
connection duct
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