For Medium
Carefully read the installation manual before beginning.
Follow each step as shown.
Observe all local, state, and national electrical codes and by qualified, licensed, authorized personnel only.
Pay attention to danger and safety notices.
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. Wear protective gloves whenever lifting or carrying the unit. AVOID the sharp metal fins of front and rear coils. 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 overan extended
period of time.
Handle air conditioner with care.
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:
Do the following before starting to install unit. See illustrations below.
Check dimensions of your unit to determine model type:
Capacity:
Unit Height:
Unit Width:
Min. Window Opening:
Min. Window Width:
Max. Window Width:
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
a minimum of 19" (483mm). (FIG.1A)
Side louvers and the rear of the air conditioner must
have clear air space to allow enough airflow through
the condenser, for heat removal. The rear of the unit
must be outdoors, not inside a building or garage.
There should be at least 11.8 inches (300mm)
clearance around the unit. See FIG. 1B & FIG. 1C.
FIG.1A
sash
19" min
1/2" min
inner sill
outer sill
storm window frame or
other obstruction
Installation Instructions
(15,000-23,200 BTU)
READ BEFORE INSTALLING UNIT
INSTALLATION WARNINGS AND CAUTION
Heavy duty
28,000 BTU
15,000~23,200 BTU
18-5/8"
26-1/2"
19-1/2"
31"
42"
FIG. 1B
11.8" min (300 mm)
11.8" min
(300 mm)
11.8" min (300 mm)
Outdoor side
+ Heavy duty
Medium
17-5/8"
foam gasket
23-5/8"
washer head
locking screw
18-1/2"
28"
frame
assembly
40-1/2"
(left)
side retainer
bottom rail
seal to unit
11.8" min (300 mm)
11.8" min
(300 mm)
11.8" min (300 mm)
Indoor side
Air Conditioner
(28,000 BTU)
window sash seal
safety lock and
1/2" long hex
head screw
insulation
panel
top angle
1/2" long
screws and
locknuts
window
locknut 3/4"
support bracket
long flat
head bolt
sill angle
bracket
FIG. 1C
11.8" min
Outdoor side
(300 mm)
11.8" min
Indoor side
(300 mm)
frame
assembly
(right)
11.8" min
(300 mm)
11.8" min
(300 mm)
16120300A31677
1