Installation Instructions
For Medium (15-18.5K) + Heavy duty (22-28.5K) Air Conditioner
READ BEFORE INSTALLING UNIT
To avoid risk of personal injury, property damage, or product damage due to the weight of this device and sharp
edges that may be exposed:
Air conditioners covered in this manual pose an excessive weight hazard. Two or more people are needed to
move and install the unit. To prevent injury or strain, use proper lifting and carrying techniques when moving unit.
Carefully inspect location where air conditioner will be installed. Be sure it will support the weight of the unit over
an extended period of time.
Handle air conditioner with care. Wear protective gloves whenever lifting or carrying the unit. AVOID the sharp
metal fins of front and rear coils.
Make sure air conditioner does not fall during installation.
If a new electrical outlet is required, have the outlet installed by a qualified electrician before installing unit.
NOTE: DO NOT USE ANY SCREWS OTHER THAN THOSE SPECIFIED HERE.
Preliminary instructions:
window sash seal
Do the following before starting to install unit. See illustrations below.
Check dimensions of your unit to determine model type:
safety lock and
Heavy duty
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Medium
ꢆꢋꢄƎꢀlong hex
head screw
Capacity:
top angle
Unit Height:
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foam gasket
Unit Width:
washer head
locking screw
Min. Window Opening:
Min. Window Width:
Max. Window Width:
frame
assembly
(left)
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1. Check window opening size: the mounting parts
furnished with this air conditioner are made to install in
a wooden sill double-hung window. The standard parts
are for window dimensions listed above. Open sash to
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2. Check condition of window: all wood parts of window
must be in good shape and able to firmly hold the needed
screws. If not, make repairs before installing unit.
3. Check your storm windows: If your storm window
frame does not allow the clearance required, correct by
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storm window while room air conditioner is being installed.
side retainer
ꢁꢋꢍƎꢀ long
screws and
locknuts
bottom rail
seal to unit
window
frame
assembly
(right)
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support bracket
long flat
head bolt
sill angle
bracket
FIG.1
FIG.2
sash
sash
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inner sill
inner sill
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board thickness as
outer sill
required, along entire inner
window sill; fasten to inner
sill with two nails or screws.
outer sill
storm window frame or
other obstruction
storm window frame or
other obstruction
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