Adaptor Frame Installation; Installing The Outdoor Unit - Webasto Cool Top Trail 28 Instrucciones De Uso Y De Instalacion

l 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.
l Provide a 230 V~ power supply cable to the cut-out.
l Optionally lead the cable through the roof insulation as
shown above.
l Drill a hole in the wooden bar through which to route the
power supply cable.
l Route the power supply cable through the hole in the
wooden bar before mounting the it.
l Attach and lay the cables so that they cannot be tripped
over or damaged.
l Use cable ducts to route cables through walls with sharp
edges.
l Make sure that the minimum cross sections of the cable
corresponding to the current draw of the unit.
l Do not lay 230 V cables and 12/24 V cables together in the
same cable duct.
l Do not lay loose or bent cables next to electrically conduct-
ive material (metal).
4.6

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 does not interfere with the frame. If
the cable causes an obstruction, then cut or drill an open-
ing in the bottom of the frame to lead the cable 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.
9042924A OI-II CTT 28
Fig. 12 Forming an effective seal
4.7

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.
Using the M8 bolts, verify that the holes of the outdoor unit are
aligned with the holes of the adaptor. If they are not, then re-
position the outdoor unit accordingly.
Do not apply additional sealant between the outdoor unit and
the adaptor frame.
Fig. 13 Positioning the outdoor unit
Installation instructions | 4
7 / 136