Wiring Requirements - Dometic B3200 Installation & Operating Instructions Manual

FIG. 6
d. If the opening exceeds 365.2mm x 365.2mm,
it will be necessary to re-size the opening to
362mm x 362mm (± 3.2mm).
e. If the opening is less than 358.8mm x 358.8mm,
it must be enlarged.
3. New opening- (Installation other than vent open-
ing)
a. Mark a 362mm x 362mm (± 3.2mm) square
on the roof and carefully cut the opening.
b. Using the roof opening as a guide, cut the
matching hole in the ceiling.
c. The opening created must be framed to provide
adequate support and prevent air from being
drawn from the roof cavity. Lumber 25mm or
more in thickness must be used. Remember
to provide an entrance hole for power supplies
at the front of the opening. See FIG. 7.
FIG. 7
Do Not Cut Good-Rafters
Roof Structure Supported By
Or Rafters Cross Beams
25mm Min.
Leave Access For Power
Supply Wiring
It is the responsibility of the installer of this
air conditioner system to ensure structural
integrity of the caravan roof. Never create a
low spot on the roof where water will collect.
Water standing around the air conditioner
may leak into the interior causing damage to
the product and the caravan.
Good Location-
Between Roof
Rafters
Frame Opening So It
Won't Collapse When
Bolting Down Unit
375mm Min. At
Front of opening
D. Wiring Requirements
. 220 - 240 VAC Supply Line
Route a copper mm
VAC supply line from the time delay fuse or circuit
breaker box to the roof opening.
a. This supply line must be located in the front
portion of the 362mm x 362mm (± 3.2mm)
opening.
b. The power MUST be on a separate 0 Amp
time delay fuse or HACR circuit breaker.
c. Make sure that at least 375mm of supply wire
extends into the roof opening. This ensures
an easy connection at the junction box.
d. Wiring must comply with all national and local
wiring codes and/or regulations.
e. Use a steel sleeve and a grommet or equivalent
methods to protect the wire where it passes
into the opening.
E. Placing Air Conditioner On The Roof
This unit weighs approximately 45 Kilograms.
To prevent back injury, use a mechanical hoist
to place Air Conditioner on roof.
. Remove the air conditioner from the carton and
discard carton. See FIG. 8.
fig. 8
2. Place the air conditioner on the roof.
3. Lift and place the unit over the prepared opening
using the gasket on the unit as a guide. See FIG.
9.
fig. 9
FRONT
Do not slide the unit. This may damage the
roof gasket attached to the bottom and may
create a leaky installation.
5
, with ground, 220 - 240
2