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INSTALLATION INSTRUCTIONS
A.
Choosing Proper Location For Unit
This unit is specifically designed for installation on the roof
of a boat. Mount only with front of unit facing the bow (the
vented end should face aft). See "FIG. 5" on page (7).
When determining your cooling requirements, the following
should be considered:
●
Size of boat;
●
Window area (increases heat gain);
●
Amount of insulation in walls and roof;
●
Geographical location where boat will be used;
●
Personal comfort level required.
It is preferred that the unit be installed on a relatively flat
and level roof section. See table below for maximum ac-
ceptable tilt.
Model
Number
489516P
489516A
1. After Location Has Been Selected:
a. Check for obstructions in the area where unit
will be installed. See (FIG. 1).
Dimensions Are Nominal
FIG. 1
13-1/8"
34-7/8"
18"
Center Line Of Unit
Keep This Area Free Of Obstructions
b. Maintain structural integrity.
Otherwise damage to product and/or boat
could occur.
The roof must be designed to support 130
pounds when the boat is in motion. Normal-
ly a 200 lb. static load design will meet this
requirement.
Max
Tilt
15°
29-7/8"
Roof Opening
Front
c. Check inside the boat's cabin for air distri-
bution box (hereinafter referred to as "ADB")
obstructions (i.e. space for doors to open,
room dividers, curtains, ceiling fixtures, etc.).
See (FIG. 2).
FIG. 2
23-1/8"
2-5/8"
Dimensions Are Nominal
11-9/16"
3-7/16"
Roof Opening
3-7/16"
6"
B.
Roof Preparation
1. FIRE OR ELECTRICAL SHOCK
HAZARD. Verify there are no obstacles inside
boat's roof and/or walls (wires, pipes, etc.). Shut
OFF gas supply, disconnect 120 Vac power from
boat and disconnect positive (+) 12 Vdc terminal
from supply battery BEFORE drilling or cutting
into boat. 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 before beginning the
installation.
2. Carefully mark and cut the required roof opening.
See "B. Roof Requirements" on page (4).
3. Maintain structural integrity. Oth-
erwise damage to product and/or boat could oc-
cur.
NEVER create a low spot on boat
roof. Otherwise, water will pool and could cause
a leak.
5
21-1/8"
11-9/16"
21-1/8"
2-7/8"
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