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Installation Location
• We recommend that this air conditioner be installed
properly by qualified installation technicians in accor-
dance with the Installation Instructions provided with
the unit.
• Before installation, check that the voltage of the electric
supply in your home or office is the same as the voltage
shown on the nameplate.
Electrical Requirements
1. All wiring must conform to the local electrical codes.
Consult your dealer or a qualified electrician for details.
2. Each unit must be properly grounded with a ground (or
earth) wire or through the supply wiring.
3. Wiring must be done by a qualified electrician.
4. Never use an extention cord with this air conditioner.
Safety Instructions
• Read this Instruction Manual carefully before using this
air conditioner. If you still have any difficulties or prob-
lems, consult your dealer for help.
• This air conditioner is designed to give you comfort-
able room conditions. Use this only for its intended
purpose as described in this Instruction Manual.
• Avoid letting cooled/heated air blow directly on your
body for a long time.
• Do not install this air conditioner
where there are fumes or flam-
mable gases, or in an extremely
humid space such as a green-
house.
• Do not install the air conditioner
where excessively high heat-
generating devices are placed.
• Never use or store gasoline or
other flammable vapor or liquid
near the air conditioner — it is
very dangerous.
• Do not turn the air conditioner
on and off from the power
mains switch. Use the mode
selector switch.
• Do not stick anything into the
air outlet of the unit. This is dan-
gerous because the fan is rotat-
ing at high speed.
• Do not let children play with the
air conditioner.
• Do not cool or heat the room
too much if babies or invalids
are present.
Air Intake Air from the room is drawn into this section
and passes through air filters which remove
dust.
Air Outlet Conditioned air is blown out of the air con-
ditioner through the air outlet.
WARNING
WARNING
CAUTION
Names of Parts
Air outlet
Wall case
Cover switch and
control panel
Air intake
Front grille
Rear grille
Control Panel and Operation Functions
WARMER
COOLER
r
a
n
g
e
I
n
t
e
r
m
e
d
i
a
t
e
7
2
°
F
(88°F)
(55°F)
Thermostat
Mode
selector
Thermostat Control
The thermostat knob is used to control the room tempera-
ture. The unit automatically cycles on and off to maintain
room temperature. A comfortable temperature will be
maintained in most rooms when the control is set to
about intermediate range.
Mode Selector
HI HEAT provides heating with high fan speed operation.
LOW HEAT provides heating with low fan speed operation.
OFF setting stops heating or cooling operation.
FAN provides fan operation without cooling or heating.
LO COOL provides cooling with low fan speed operation.
HI COOL provides cooling with high fan speed operation.
∗ As long as power is connected to the unit, Freeze
Protection always functions at any position even at OFF
position.
OPERATING INSTRUCTIONS
US STW PTAC 8/8/01 5:34 PM Page 2