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F. Placing The Unit On The Roof
This unit weighs approximately 100 pounds.
To prevent back injury, use a mechanical hoist
to place unit on roof.
1. Remove the unit from the carton and discard car-
ton.
2. Place the unit on the roof.
3. Lift and place the unit over the prepared opening
using the gasket on the unit as a guide. See FIG.
8.
Do not slide the unit. This may damage the
roof gasket attached to the bottom and may
create a leaky installation.
FIg. 8
FRONT
4. Place the 3106615.XXX Air Distribution Box Kit
inside the RV. This box contains mounting hard-
ware for the unit and will be used inside the RV.
See FIG. 19.
This completes the outside work. Minor adjustments
can be done from the inside the RV if required.
g. Installing The Unit
1. Check gasket alignment of the unit over the roof
opening and adjust if necessary. Unit may be moved
from below by slightly lifting. See FIG. 9.
FIg. 9
Center Unit From Below
Roof
gasket
7
2.
Remove air distribution box and mounting hardware
from carton. The upper duct is shipped inside the
lower duct which is part of the ceiling template.
3.
All models listed in this manual will use a three
(3) bolt pattern for installing the 3106615.XXX
Air Distribution Box Kit. These bolts along with
the Romex connector and junction box cover are
furnished in this kit.
4.
Remove upper duct from ceiling template and
locate it over blower discharge. See FIG. 10.
Note: Edge without flange installs toward REAR of open-
ing.
FIg. 10
Upper Discharge
Air Duct
5.
Use two (2) sharp pointed #10 sheet metal screws
to hold duct to base pan. Screw holes are provided
in bottom of base pan for these screws.
6.
Reach up into the return air opening and pull the
unit electrical cord down. Mount the junction box
with screws to the framing in front of the 14-1/4" x
14-1/4" (±1/8") opening . See FIG. 11.
FIg. 11
Low
Voltage
Wires
7.
Install the Romex connector in the junction box.
8.
Measure the ceiling to roof thickness:
a. If distance is 1"-2", remove perforated tabs from
both upper and lower ducts. See FIG. 12.
b. If distance is 2"-3", remove perforated tabs
from bottom duct only. See FIG. 12.
c. If distance is 3"-4", install ducts as received.
See FIG. 12.
d. If distance is 4"-6", use optional 318556.000
Duct Adaptor and 3100895.006 Bolt Kit.
Rear Of Unit
Edge Without
Flange To
Rear Of Unit
Fasten Junction Box
To Front Of Opening
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