Friedrich Hazardgard SH20M50B Installation & Operation Manual page 12

Shell Installation: Through-the-wall Installations
Wall Preparation
The maximum wall thickness permissible without special construction is determined by the model size to be installed. THE OUT- SIDE
CABINET CONDENSER AIR INTAKE LOUVERS MUST NOT BE BLOCKED BY EXTENDING INSIDE THE WALL
AREA. Observe the maximum wall thickness shown as dimension "A"in (Figure 10).
Special Instructions For Extra Thick Walls
For installation in walls exceeding the maximum thickness shown as dimension A, the following suggested construction may apply.
(See Figure 10).
Figure 10
3.25" (82.55 MM)
MAXIMUM WALL THICKNESS
STEP 1 CHECKING WIRING AND PLUMBING: Check all wiring and plumbing inside and outside the wall to be sure none will be broken
where the hole is to be cut.
STEP 2 HOLE CONSTRUCTION: Depending on the size of the unit to be installed, layout the hole dimensions in accordance with the
chart below (See Figure 11). Cut and frame in the hole to the finished dimensions. Use 2" x 4" material for framing and follow
the suggested typical installations in (Figure 12, 13 or 14 on Page 13.
NOTE: IF THE WALL CONSTRUCTION IS TYPICAL FRAME OR 2 X 4 STUDDING WITH BRICK OR STONE VENEERS, LOCATE THE HOLE
NEXT TO ONE OF THE STUDS. FOR MASONRY, CONCRETE OR CINDER BLOCK WALLS, LOCATE THE HOLE FOR CONVENIENCE.
Figure 11
WARNING
Falling Object Hazard
Not following Installation Instructions
for mounting your air conditioner can
result in property damage, injury, or
death.
EXTRA THICKWALL CONSTRUCTION
CONDENSER
AIR INTAKE
LOUVERS
TOP VIEW SHOWING BEVELEDSIDES
FOR AIR INTAKE a 45 deg angle
should be maintained.
WALL BELOW
UNIT MUST ALSO BE BEVELED TO
ASSURE PROPER TILT ANGLE.
NOTE: THESE DIMENSIONS ARE FOR FINISHED HOLE SIZE
Top View
HOLE SIZE REQUIREMENTS
FINISHED SH15
DIMENSION CHASSIS
A 16-3/16"
B 26-3/16"
(as unit is shipped)
No louver should be
blocked. Maintain a
45 deg angle until
you clear the wall
CONDENSER AIR
INTAKE LOUVERS
SH20, SH24
CHASSIS
18-3/16"
26-3/16"
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