GEAppliances AZ75E09DAC, Technical Service Manual

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Technical Data
Heat Pump Model AZ75H12DAC
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.
WARNING DISCONNECT UNIT FROM ELECTRICAL POWER
SUPPLY BEFORE MAKING ANY ELECTRICAL CHECKS.
MAXIMUM CURRENT LEAKAGE: 0.75 MILLIAMP
MAXIMUM GROUND PATH RESISTANCE: 0.1 OHM
POWER SUPPLY
RATED VOLTAGE VOLTAGE LIMITS
230/208 187-253
Pub. No. 31-60807 Page Z-1202
FILTER
Check for cleanliness.
WIRING - COMPRESSOR DIRECT CHECK
CAUTION:
1. Keep head clear of terminal
area when cover is removed.
2. Check windings first. If open
or grounded, “ DO NOT ”
apply power to compressor
terminals.
REPLACEMENT PARTS
DESCRIPTION CAT. NO.
CONDENSER
1. Check for blockage with dirt,
or other material.
2. Check for corrosion.
BLACK
C
R
S
O
RED
WHITE
BLACK
COMPRESSOR
OVERLOAD
COMPRESSOR WIRING
TEST CAPACITOR
RATED
VOLTAGE
COMPRESSOR
TERMINALS
START
RUN S
C
R
COMMON
TEST KIT
GROUND GROUND
TO UNIT
RUN CAPACITOR CHECK
1. Replace unit run
capacitor with a known
good test capacitor
which may be 10 MFD
higher than specified
and attempt to start
compressor.
2. If compressor starts,
install a new run
capacitor which has
a rating specified for
the unit.
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.
RUNNING CURRENT
With unit in case, operate for ten minutes on Hi-Cool.
Following are the operating limits:
CURRENT-TEMPERATURE CHECK DATA
AIR TEMPERATURE COOLING CURRENT
CONDENSER IN
°
F 230V-MIN. MAX. 208V-MIN. MAX.
80 4.6 5.0 4.8 5.3
95 5.3 5.9 5.5 6.1
110 6.2 6.9 6.8 7.6
TEMPERATURE DIFFERENTIAL - COOLING
Unit must operate for one hour with thermostat at coldest
setting prior to measuring air temperatures. Following are
the normal limits:
TEMPERATURE DIFFERENTIAL CHECK DATA
EVAPORATOR EVAPORATOR AIR TEMPERATURE
AIR TEMPERATURE OUT
°
F
IN
°
F 230V-MIN. MAX. 208V-MIN. MAX.
70 48 52 46 50
80 58 62 58 62
90 65 69 65 69
RUNNING CURRENT
With unit in case, operate for ten minutes on Hi-Heat.
Following are the operating limits:
CURRENT-TEMPERATURE CHECK DATA
AIR TEMPERATURE REVERSE CYCLE HEATING CURRENT
OUTDOOR COIL IN
°
F 230V-MIN. MAX. 208V-MIN. MAX.
47 4.0 4.4 4.1 4.5
60 4.3 4.8 4.6 5.1
75 4.6 5.0 4.9 5.4
TEMPERATURE DIFFERENTIAL - HEATING
Unit must operate for one hour in reverse cycle heating prior
to measuring air temperatures. Following are the normal limits:
TEMPERATURE DIFFERENTIAL CHECK DATA
INDOOR COIL INDOOR COIL AIR TEMPERATURE
AIR TEMPERATURE OUT ° F
IN ° F 230V-MIN. MAX. 208V-MIN. MAX.
70 89 93 91 95
75 98 102 100 104
80 106 110 108 112
SENSOR RESISTANCE (OHM)
°
F INDOOR COIL OUTDOOR COIL OUTDOOR AIR
10 94900 28030 28030
30 51940 15340 15340
32 49330 14570 14570
50 29960 8850 8850
70 17930 5300 5300
90 10970 3280 3280
BLOWER (I.D.) WJ73X10059
CAPACITOR, I.D. MOTOR WJ20X10070
CAPACITOR, O.D. MOTOR WP20X10005
CAPILLARY (4) (CUT TO 11 1/2") WJ53X128
COMPRESSOR WJ98X10006
CONDENSER WJ88X10078
DRIVE PWB WJ26X10071
EVAPORATOR WJ87X10085
FAN (O.D.) WJ73X10060
FILTER/DRYER WJ56X104
FUSE, TRANSFORMER PRIMARY WJ23X10003
HEATER ASSEMBLY WJ70X10038
MAIN PWB WJ26X10070
MOTOR, BLOWER (I.D.) WJ73X10062
MOTOR, FAN (O.D.) WJ73X10061
PROTECTOR, COMPRESSOR WP23X10005
PROTECTOR, HEATER-1 (resettable) WP28X10005
PROTECTOR, HEATER-2 (one-time) WP28X10007
REVERSING VALVE WJ58X10020
REVERSING VALVE COIL WJ31X10011
RUN CAPACITOR WJ20X748
SUB PWB WJ26X10072
THERMISTOR WJ28X10027
TRANSFORMER WP27X10023
VARISTOR WP27X10002