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STEP 3
WALL PREPARATION: The maximum wall thickness permissible without special construction is de ter mined by
the model size to be installed. THE OUTSIDE CABINET CONDENSER-AIR-INTAKE-LOU VERS MUST NOT BE
BLOCKED BY EXTENDING INSIDE THE WALL AREA. Observe the maximum wall thickness shown in the chart
and di a gram in Figure B.
SPECIAL INSTRUCTIONS FOR EXTRA THICK WALLS: For installation in walls exceeding the max i mum thickness
shown in the chart, the following suggested construction may apply.
FIGURE B
MAXIMUM WALL
THICKNESS
MODEL
SMALL CHASSIS
MEDIUM CHASSIS
LARGE CHASSIS
CHECKING WIRING AND PLUMBING: Check all wiring and plumbing inside and outside of the wall to be sure none
STEP 4
will be broken where the hole is to be cut.
STEP 5
HOLE CONSTRUCTION: Depending upon size of unit to be installed, lay out the hole dimensions per the chart below. Cut
and frame in hole to fi nished dimensions. Use 2" x 4" material for framing and follow the suggested typical installations in
Figure C, D, or E on page 12.
NOTE: IF THE WALL CONSTRUCTION IS TYPICAL FRAME OR 2 X 4 STUDDING WITH BRICK OR STONE VENEERS, LO-
CATE THE HOLE NEXT TO ONE OF THE STUDS. FOR MASONRY, CONCRETE OR CINDER BLOCK WALLS, LOCATE HOLE
FOR CONVENIENCE.
920-036-05 (10-04)
CONDENSER
AIR INTAKE
LOUVERS
TOP VIEW SHOW ING
BEVELED SIDES FOR
AIR INTAKE. WALL
BELOW UNIT MUST BE
BEVELED ALSO.
A
7 ⅜"
7 ⅜"
15 ⅛"
FINISHED
DIMENSION
NOTE: THESE DIMENSIONS ARE FOR FINISHED HOLE SIZE.
TOP VIEW
CONDITIONED ROOM SIDE AIR
CONDENSER AIR
OUTLET
REJECTED HEATED
AIR
EXTRA THICK WALL CON STRUC TION
SMALL
CHASSIS
A
16
3
⁄
"
16
B
26
3
⁄
"
16
2" MINIMUM
BOTH SIDES
CONDENSER AIR
INTAKE LOUVERS
NOTE: Condenser air inlets and
outlet must be unobstructed
to avoid the recirculation of
rejected heated air.
MEDIUM
LARGE
CHASSIS
CHASSIS
18
3
⁄
"
20
3
⁄
"
16
16
26
3
⁄
"
28
1
⁄
"
16
2
11
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