Manual Webasto Cool Top Trail 28V (page 7 of 154) (English, German, Dutch, French, Italian, Swedish, Spanish)

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2 Wooden bars

Fig.8 Cut-out with wooden reinforcement

1 Cut-out

2 Insulation in roof

3 Wooden bars

4.6 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.9 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.

11. Do not lay loose or bent cables next to electrically conduct-

ive material (metal).

4.7 Adaptor frame installation

1. Make sure the roof is clean, dry and free from oil or grease.

2. Insert the adapter frame into the cut-out to make sure that

the power supply cable and the CI-BUS cable (if applicable)

do not interfere with the frame. If the cables cause obstruc-

tions, then cut or drill openings in the bottom of the frame

to lead the cables through.

3. Confirm the correct orientation of the frame by using the

“This side up” label.

Fig.10 Orientation of the adaptor frame

4. Turn the part over and on the reverse side of “This side up”,

apply silicone sealant uniformly over the path shown.

Fig.11 Sealant paths

5. Turn the part over again and make sure “This side up” is

up. Press down firmly over the installation hole and remove

any sealant that has squeezed out.

Fig.12 Forming an effective seal

4.8 Installing the outdoor unit

Place the outdoor unit over the installed adaptor frame, and ad-

just the position to make sure that the four bolt holes on the

corners are properly aligned.

NOTE

The outdoor unit is heavy. Always have a second per-

son to help carrying the unit.

Do not lift the outdoor unit by the upper white cover.

Lift it by the bottom base.

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Webasto Cool Top Trail 28V Manual

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