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Fig. 6 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. 7 Installation measurements (side view)
Fig. 8 Installation measurements (front view)
5.5
Roof reinforcements
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.
Fig. 9 Roof reinforcement
1
Roof
2
Wooden bars
9039408E_OI-II_Cool Top Trail 20-24
Fig. 10 Cut-out with wooden reinforcement
1
Cut-out
2
Insulation in roof
3
Wooden bars
5.6
Power supply
WARNING
Danger of electrocution
You must make sure that there is no voltage at electric-
ally operated components before working on them.
Make sure that the mains power supply or the power
supplied by inverters 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. 11 Electrical power supply cable
1.
Make sure that the 230 V power supply is connected to a
residual current device.
2.
Install a circuit breaker with a contact clearance of at least
3.5 mm and an all-pole insulation to protect the power
supply cable to the A/C unit and to allow maintenance and
repair work on the unit.
3.
Provide a 230 V~ power supply cable to the cut-out.
4.
Optionally lead the power supply cable through the roof in-
sulation as shown above.
5.
Drill a hole in the wooden bar through which to route the
power supply cable.
6.
Route the power supply cable through the hole in the
wooden bar before mounting the bar.
7.
Attach and lay the cables so that they cannot be tripped
over or damaged.
8.
Use cable ducts to route cables through walls with sharp
edges.
9.
Make sure that the minimum cross sections of the cable
corresponding to the current draw of the unit.
10. Do not lay 230 V cables and 12/24 V cables together in the
same cable duct.
Installation instructions | 5
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