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4 | Installation instructions
Fig. 4 Installation measurements (top / bottom view)
1
Position of the outdoor unit
2
Position of the air distributor
3
Square cut-out
F
Direction of travel
Fig. 5 Installation measurements (side view)
Fig. 6 Installation measures (front view)
4.5
Roof reinforcements / Power
supply
You must reinforce the cut-out with a wooden frame, using
bars which are at least 20 mm wide. You may have to remove
insulation material first however.
The reinforcement frame is to make sure that the roof is not
crushed by the installation bolts and that air conditioned air
does not enter the ceiling space.
6 / 136
1
Fig. 7 Roof reinforcement
2
3
Fig. 8 Cut-out with wooden reinforcement
1
Cut-out
2
Insulation in roof
3
Wooden bars
WARNING
Danger of electrocution
You must make sure that there is no voltage at electric-
ally operated components before working on them.
Make sure mains power supply or power supplied by in-
verters is isolated.
NOTE
Only qualified electricians must make the 230 V elec-
trical connection (in Germany for example, in accord-
ance with VDE 0100, Part 721 or IEC 60364-7-721).
When connecting to the mains supply front, it is the in-
staller's responsibility to make sure that local wiring
regulations are followed.
Fig. 9 Electrical power supply cable
l Make sure that the 230 V power supply is connected to a
residual current device.
9042924A OI-II CTT 28
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