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Technical Data
IMPORTANT SAFETY NOTICE
This information is intended for use by individuals possessing
adequate backgrounds of electrical, electronic and mechanical
experience. Any attempt to repair a major appliance may result in
personal injury and property damage. The manufacturer or seller
cannot be responsible for the interpretation of this information,
nor can it assume any liability in connection with its use.
WARNING DISCONNECT UNIT FROM ELECTRICAL POWER
SUPPLY BEFORE MAKING ANY ELECTRICAL CHECKS.
MAXIMUM CURRENT LEAKAGE: 0.5 MILLIAMP
MAXIMUM GROUND PATH RESISTANCE: 0.1 OHM
DISCONNECT POWER BEFORE SERVICING
IMPORTANT - RECONNECT ALL GROUNDING DEVICES
All parts of this appliance capable of conducting electrical
current are grounded. If grounding wires, screws, straps,
clips, nuts or washers used to complete a path to ground are
removed for service, they must be returned to their original
position and properly fastened.
TEMPERATURE DIFFERENTIAL - HEATING
Unit must operate for one hour in reverse cycle heating
prior to measuring air temperatures. Following are normal
limits:
Run Capacitor Check
1. Replace unit run capacitor with a known good
test capacitor which may be 10 µfd higher than
specifi ed and attempt to start compressor.
2. If compressor starts, install a new run capacitor
which has a rating specifi ed for the unit.
TEST CAPACITOR
RATED
VOLTAGE
COMPRESSOR
TERMINALS
START
RUN
S
C
R
COMMON
TEST KIT
GROUND GROUND
TO UNIT
COMPRESSOR
DRIER
CAPILLARY
LIQUID
LINE
CONDENSER
BLACK
C
R
S
O
RED
WHITE
BLACK
COMPRESSOR
OVERLOAD
COMPRESSOR WIRING
Wiring Compressor Direct Check
Caution: Keep head clear of terminal area when
cover is removed. Check windings fi rst. If open
or grounded, DO NOT apply power to compressor
terminals.
Drier Location 2800 Series
Install a drier
in the liquid
tube between
the condenser
and the
capillaries.
Drier Location 3800 Series
Install a drier in
the horizontal
section between
the compressor
and the reversing
valve .
DRIER
°F
Room
Air (Ω)
Indoor
Coil (Ω)
3800 Series
Outdoor Coil
(Ω)
Outdoor Air
(Ω)
10 63260 94900 28030
30 34620 51940 15340
32 32890 49330 14570
50 19970 29960 8850
70 11950 17930 5300
90 7320 10970 3280
Thermistor Resistance
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