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3
NEMA No. 5-15P NEMA No. 5-15R 125V-15AMP 115V
NEMA No. 6-15P NEMA No. 6-15R 250V-15AMP 230/208V rated
at 12 amperes or
less
NEMA No. 6-20P NEMA No. 6-20R 250V-20AMP 230/208V rated
over 12 amperes,
but not more than
16 amperes
NEMA No. 6-30P NEMA No. 6-30R 250V-30AMP 208V rated over
16 amperes, but
not more than
24 amperes
Unit Plug Receptacle Circuit Rating, Voltage
Type Required Breaker, Time Rating On
Delay Fuse Nameplate
receptacle replaced with a properly grounded three-prong
wall receptacle in accordance with the National Electrical
Code.
Room air conditioners are designed to operate according to
requirements on the nameplate and as shown in Table 1.
Fuse or circuit breaker ratings must be according to the fuse
instruction label and as shown in Table 1. Do not plug models
marked “Use on Single Outlet Circuit Only” into a circuit with
another appliance or light fixture.
Receptacle Wiring
Receptacle wiring must be of adequate size for unit. Refer
to unit identification plate for exact power requirements.
Minimum size of wiring, based on power requirements, is:
Units up to 20 amps: 12 gauge
20–30 amp units: 10 gauge
Use copper wire only. Consumer’s responsibility is to provide
proper and adequate receptacle wiring that conforms to all
applicable codes. All wiring should be installed by qualified
electrician.
LCDI or AFCI Power Cords
Underwriters Laboratories (UL) and the National Electric
Code (NEC) now require power cords that sense current
leakage and can open the electrical circuit to the unit. In the
event, the unit does not operate, check the reset button
located on or near the head of the power cord as part of the
normal troubleshooting procedure.
Installation
Complete step-by-step installation instructions are furnished
with your unit. These instructions will be found on a separate
page included with this manual or in the mounting kit
assembly. Follow these instructions carefully. Keep these
instructions with this manual for future reference. Your unit
will be one of the following designs:
• Unit with a window mounting kit
These models are designed for mounting though an
opening in a wall. These units can be adapted to
window installation by using the optional window mount-
ing kit supplied with your unit.
• Unit without a window mounting kit
No window mounting kit is supplied with the unit.
These models are designed for mounting through an
opening in a wall. These units can be adapted to
window installation by purchasing an optional window
mounting kit. Consult your dealer to choose the kit that
is appropriate for your model and installation.
Room Heat Pumps
Heat pumps work by moving heat instead of creating it. In the
summer, the cool indoor coil absorbs heat from your room
and moves it outdoors, providing cooling. In the winter, heat
pumps reverse this operation. By lowering the temperature
of the outdoor coil below the outdoor temperature, the heat
pump absorbs the heat from outdoors and moves it inside
your house. This heat transferring process is very efficient.
For example, at 45°F outdoor temperature, a heat pump can
provide 2 ½ watts of heat for every watt of electricity it
consumes.
As outdoor temperatures drop, the heating capacity and
efficiency of the heat pump declines. At temperatures below
45°F, it is likely that ice will form on the outdoor coil. Heat
pump units are designed to operate as a heat pump above
approximately 40°F. Below 40°F, these units switch auto-
matically from reverse cycle heat pump to auxiliary electric
heating. No defrost is required. There is no minimum
operating temperature.
Normal Care and Maintenance
WARNING
HIGH VOLTAGE
Disconnect ALL power before
servicing or installing this unit.
Multiple power sources may be
present. Failure to do so may cause
property damage, personal injury,
or death.
Installing an air conditioner through a wall requires
extensive carpentry and/or masonry experience.
Thru-wall installations performed by inexperienced
or unqualified individuals can result in costly
damage to home or result in equipment malfunction
that could cause property damage, personal injury
or death.
CAUTION
Annual Inspection
It is suggested that your unit be inspected by your dealer or
servicer once a year. It is advisable to have the outer case
removed and the unit thoroughly cleaned.
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