Installation Instructions; Choosing Proper Location For Unit; Roof Preparation - Dometic BR342 Installation And Operating Manual

INSTALLATION INSTRUCTIONS

A.

Choosing Proper Location For Unit

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of a recreational vehicle (RV). When determining your
cooling requirements, the following should be considered:
Size of RV;
Window area (increases heat gain);
Amount of insulation in walls and roof;
Geographical location where the RV will be
used;
Personal comfort level required.
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isting roof vent opening.
2. Other locations-When no roof vent is available or an-
other location is desired, the following is recommen-
ded:
a. For one unit installation: The unit should be
mounted slightly forward of center (front to
back) and centered from side to side.
b. For two unit installations: Install one unit 1/3
and one unit 2/3's from front of RV and cen-
tered from side to side.
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and level roof section measured with the RV parked on a
level surface. See table below for maximum acceptable tilt.
Model
Number
BR36H70CR
After Location Has Been Selected:
c. Check for obstructions in the area where unit
will be installed. See (FIG. 1).
Dimensions Are Nominal
FIG. 1
282.6mm
720.7mm
457.2mm
Center Line Of Unit
Keep This Area Free Of Obstructions
Max
Tilt
15°
669.9mm
Roof Opening
Front
d. Maintain structural integrity.
Otherwise damage to product and/or RV
could occur.
The roof must be designed to support 59
kg when the RV is in motion. Normally a
90.7kg. static load design will meet this
requirement.
e. Check inside the RV for air distribution box
obstructions (i.e. door openings, room di-
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(FIG. 2).
FIG. 2
581mm
35mm
Dimensions Are Nominal
265mm
65mm
Roof Opening
65mm
152mm
B.

Roof Preparation

1.
HAZARD.
Verify there are no obstacles inside
RV's roof and/or walls (wires, pipes, etc.). Shut
OFF gas supply, disconnect 240Vac power from
RV and disconnect positive (+) 12 Vdc terminal
from supply battery BEFORE drilling or cutting
into RV. Failure to obey these warnings could
result in death or serious injury.
O pening Requirements - Before prepar-
ing the ceiling opening, read all of the fol-
lowing instructions.
If an existing roof vent opening will NOT
be used a roof opening MUST be cut
through the roof and ceiling of the RV.
This opening MUST be located between
the roof reinforcing members.
4
530mm
265mm
530mm
28.6mm
FIRE OR ELECTRICAL SHOCK