General ASH12A, ASH12ASGCW, AOH12ASGC, ASH9A, ASH9ASGCW Service Manual
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SPLIT TYPE ROOM AIR
CONDITIONER
WALL MOUNTED
type
Models Indoor unit Outdoor unit
ASH9ASGCW AOH9ANGC
ASH9RSGCW AOH9RSGC
ASH12ASGCW AOH12ASGC
ASH12RSGCW AOH12RSGC
CONTENTS
SPECIFICATIONS
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . 6
P.C. BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
REMOTE CONTROL UNIT CIRCUIT DIAGRAM . . . . . . . . . . 11
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . 13
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SPECIFICATIONS
TYPE COOL COOL & HEAT COOL COOL & HEAT
INDOOR UNIT ASH9ASGCW ASH9RSGCW ASH12ASGCW ASH12RSGCW
OUTDOOR UNIT AOH9ANGC AOH9RSGC AOH12ASGC AOH12RSGC
COOLING CAPACITY (kW) 2.75 - 2.70 2.75 - 2.70 3.50 - 3.45 3.45 - 3.40
HEATING CAPACITY (kW) 3.35 - 3.30 4.05 - 3.95
ELECTRICAL DATA
POWER SOURCE (V) 240 - 220
FREQUENCY (Hz) 50
RUNNING CURRENT (A)
INPUT WATTS (kW)
EER (kW/kW)
MOISTURE REMOVAL (r/hr) 1.3 1.3 1.8 1.8
AIR CIRCULATION-Hi (m
COOLING 4.7 - 4.6 4.5 - 4.6 6.3 - 6.1 5.9 - 5.8
HEATING 4.1 - 4.2 5.9 - 5.8
COOLING 1.03 - 0.97 1.03 - 0.98 1.340 - 1.265 1.26 - 1.21
HEATING 0.94 - 0.89 1.28 - 1.21
COOLING 2.67 - 2.78 2.67 - 2.76 2.61 - 2.73 2.74 - 2.81
HEATING 3.56 - 3.71 3.16 - 3.26
3
/hr) 480 COOL 495 HEAT 510 495 COOL 510 HEAT 510
COMPRESSOR
TYPE
CODE
REFRIGERANT R-22 (g) 670 900 750 1,100
2PS180D5AA02 80697645B 80615945B 80615945B
240 - 220V 50Hz 240 - 220V 50Hz 240 - 220V 50Hz 240 - 220V 50Hz
Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor
FAN MOTOR
POWER SOURCE (V) 240 - 220
HI-SPEED (r.p.m.) 1,300 COOL 1,300 HEAT 1,330 1,330 COOL 1,330 HEAT1,330
INDOOR UNIT
OUTDOOR UNIT (r.p.m.) 705 - 660 720 - 675 790 - 760 710 - 665
MED-SPEED (r.p.m.) 1,200 COOL 1,210 HEAT 1,180 1,250 COOL 1,260 HEAT1,180
LO-SPEED (r.p.m.) 1,100 COOL 1,140 HEAT 1,030 1,170 COOL 1,190 HEAT1,030
QUIET (r.p.m.) 1,040 COOL 1,070 HEAT 970 1,080 COOL 1,120 HEAT 970
DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT 535 x 695 x 250
H x W x D (mm)
260 x 815 x 168
WEIGHTS
INDOOR UNIT
OUTDOOR UNIT 29 / 26 31 / 28 33 / 30 36 / 33
GROSS / NET (kg)
– 1 –
10 / 8
Refrigerant pipe
ø 9.52mm(3/8")
Refrigerant pipe
ø 6.35mm(1/4")
Capillary tube
Charging valve
3-Way
valve
2-Way valve
Compressor
Strainer
OUTDOOR UNITINDOOR UNIT
Condenser
Evaporator
Refrigerant pipe
ø 9.52mm(3/8")
Refrigerant pipe
ø 6.35mm(1/4")
Charging valve
Cooling
Heating
: Flare coupling
3-Way
valve
4-Way
valve
2-Way
valve
Strainer
Compressor
Check valve
Capillary tube
for heating
Capillary tube
for heating and cooling
OUTDOOR UNITINDOOR UNIT
Condenser
Evaporator
REFRIGERANT SYSTEM DIAGRAM
Models : ASH9ASGCW / AOH9ANGC
Models : ASH9RSGCW / AOH9RSGC
– 2 –
Refrigerant pipe
ø 12.7mm(1/2")
Refrigerant pipe
ø 6.35mm(1/4")
Capillary tube
Charging valve
3-Way
valve
2-Way valve
Compressor
Strainer
OUTDOOR UNITINDOOR UNIT
Condenser
Evaporator
Refrigerant pipe
ø 12.7mm(1/2")
Refrigerant pipe
ø 12.7mm(1/4")
Charging valve
Cooling
Heating
: Flare coupling
3-Way
valve
4-Way
valve
2-Way
valve
Strainer
Compressor
Check valve
Capillary tube
for heating
Capillary tube
for heating and cooling
OUTDOOR UNITINDOOR UNIT
Condenser
Evaporator
Models : ASH12ASGCW / AOH12ASGC
Models : ASH12RSGCW / AOH12RSGC
– 3 –
CIRCUIT DIAGRAM
THERMISTOR
(ROOM TEMP)
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
CN5
1
2 3 4 5
1 2 3M4 5
1 2
1 2
CN8
1
2
3
4
5
CN1
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
CN9
CN106
TEST
2 1
CN2
2
1
CN3
2
1
BLACK
BLACK
THERMISTOR
(PIPE TEMP)
GRAY
GRAY
1 2
CN4
1
2
BROWN
RED
3 4
3 4
ORANGE
3 2
CN7
3
2
BLACKBLACK
BROWN
BROWN
BLACK
BLACK
WHITE BLACK
WHITE
RED
ORANGE
WHITE RED
BLUE
34
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
1
1
WHITE
CONTROL BOARD
POWER SUPPLY BOARD
LOUVER MOTOR
FAN MOTOR
INDOOR UNIT
OUTDOOR UNIT
RELAY
BOARD
POWER
RELAY
FAN MOTOR
CAPACITOR
TRANSFORMER
TERMINAL
THERMAL FUSE
WHITE
WHITE
THERMAL
FUSE 102°C
NL
YELLOW
5 6
5 6
GREEN
BLUE
PURPLE
GRAY
WHITE
BLACK
1 2
CN101
1
2
3 4
3 4
1 2
1 2
RED
GREEN
RED
YELLOW
5
5
1 2
CN102CN104CN103
1
2
PURPLE
PURPLE
3
3
BLUE
7
1 2
CN201
DISPLAY BOARD
3 4 5 6 7
7
PURPLE
1 2
1 2
GRAY
GRAY
BROWN
WHITE
1 2
1 2
CN105
ORANGE
ORANGE
2
1
CM
FM
FM
CN301
W301
W104
W101
BLACK
W103
GREEN/YELLOW
TERMINAL
COMPRESSOR
FAN MOTOR
FAN MOTOR
CAPACITOR
OVERLOAD
RELAY
COMPRESSOR
CAPACITOR
NL
RC
S
THERMISTOR
(ROOM TEMP)
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
CN5
1
2 3 4 5
1 2 3M4 5
1 2
1 2
CN8
1
2
3
4
5
CN1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
CN9
CN106
TEST
2 1
CN2
2
1
CN3
2
1
BLACK
BLACK
THERMISTOR
(PIPE TEMP)
GRAY
GRAY
1 2
CN4
1
2
BROWN
RED
3 4
3 4
ORANGE
3 2
CN7
3
2
BLACKBLACK
BROWN
BROWN
BLACK
BLUE
DARK GRAY
WHITE BLACK
WHITE
BLACK
RED
ORANGE
WHITE RED
BLUE
34
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
1
1
WHITE
CONTROL BOARD
POWER SUPPLY BOARD
LOUVER MOTOR
FAN MOTOR
INDOOR UNIT
OUTDOOR UNIT
RELAY
BOARD
POWER
RELAY
FAN MOTOR
CAPACITOR
TRANSFORMER
TERMINAL
THERMAL FUSE
WHITE
WHITE
BLUE
THERMAL
FUSE 102°C
NL
YELLOW
5 6
5 6
GREEN
BLUE
PURPLE
GRAY
WHITE
BLACK
1 2
CN101
1
2
3 4
3 4
1 2
1 2
RED
GREEN
RED
YELLOW
5
5
1 2
CN102CN104CN103
1
2
PURPLE
PURPLE
3
3
BLUE
7
1 2
CN201
DISPLAY BOARD
3 4 5 6 7
7
PURPLE
1 2
1 2
GRAY
GRAY
BROWN
WHITE
1 2
1 2
CN105
ORANGE
ORANGE
2
1
CM
FM
FM
CN301
W301
W104
W101
BLACK
RED
W103
W105 W102
GREEN/YELLOW
TERMINAL
COMPRESSOR
FAN
MOTOR
FOUR WAY
VALVE COIL
FAN MOTOR
CAPACITOR
OVERLOAD
RELAY
COMPRESSOR
CAPACITOR
NL
RC
S
4
SV
433
Models : ASH9ASGCW / AOH9ANGC
Models : ASH9RSGCW / AOH9RSGC
– 4 –
THERMISTOR
(ROOM TEMP)
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
CN5
1
2 3 4 5
1 2 3M4 5
1 2
1 2
CN8
1
2
3
4
5
CN1
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
CN9
CN106
TEST
2 1
CN2
2
1
CN3
2
1
BLACK
BLACK
THERMISTOR
(PIPE TEMP)
GRAY
GRAY
1 2
CN4
1
2
BROWN
RED
3 4
3 4
ORANGE
3 2
CN7
3
2
BLACKBLACK
BROWN
BROWN
BLACK
BLACK
WHITE BLACK
WHITE
RED
ORANGE
WHITE RED
BLUE
34
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
1
1
WHITE
CONTROL BOARD
POWER SUPPLY BOARD
LOUVER MOTOR
FAN MOTOR
INDOOR UNIT
OUTDOOR UNIT
RELAY
BOARD
POWER
RELAY
FAN MOTOR
CAPACITOR
TRANSFORMER
TERMINAL
THERMAL FUSE
WHITE
WHITE
THERMAL
FUSE 102°C
NL
YELLOW
5 6
5 6
GREEN
BLUE
PURPLE
GRAY
WHITE
BLACK
1 2
CN101
1
2
3 4
3 4
1 2
1 2
RED
GREEN
RED
YELLOW
5
5
1 2
CN102CN104CN103
1
2
PURPLE
PURPLE
3
3
BLUE
7
1 2
CN201
DISPLAY BOARD
3 4 5 6 7
7
PURPLE
1 2
1 2
GRAY
GRAY
BROWN
WHITE
1 2
1 2
CN105
ORANGE
ORANGE
2
1
CM
FM
FM
CN301
W301
W104
W101
BLACK
W103
GREEN/YELLOW
TERMINAL
COMPRESSOR
FAN MOTOR
FAN MOTOR
CAPACITOR
OVERLOAD
RELAY
COMPRESSOR
CAPACITOR
NL
RC
S
THERMISTOR
(ROOM TEMP)
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
CN5
1
2 3 4 5
1 2 3M4 5
1 2
1 2
CN8
1
2
3
4
5
CN1
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
CN9
CN106
TEST
2 1
CN2
2
1
CN3
2
1
BLACK
BLACK
THERMISTOR
(PIPE TEMP)
GRAY
GRAY
1 2
CN4
1
2
BROWN
RED
3 4
3 4
ORANGE
3 2
CN7
3
2
REDBLACK
BROWN
BROWN
BLACK
BLUE
DARK GRAY
WHITE BLACK
WHITE
BLACK
RED
ORANGE
WHITE RED
BLUE
34
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
1
1
WHITE
CONTROL BOARD
POWER SUPPLY BOARD
LOUVER
MOTOR
DIFFUSER
MOTOR
FAN MOTOR
INDOOR UNIT
OUTDOOR UNIT
RELAY
BOARD
POWER
RELAY
FAN MOTOR
CAPACITOR
TRANSFORMER
TERMINAL
THERMAL FUSE
WHITE
WHITE
BLUE
THERMAL
FUSE 102°C
NL
YELLOW
5 6
5 6
GREEN
BLUE
PURPLE
GRAY
WHITE
BLACK
1 2
CN101
1
2
3 4
3 4
1 2
1 2
RED
GREEN
RED
YELLOW
5
5
1 2
CN102CN104CN103
1
2
PURPLE
PURPLE
3
3
BLUE
7
1 2
CN201
DISPLAY BOARD
3 4 5 6 7
7
PURPLE
1 2
1 2
GRAY
GRAY
BROWN
WHITE
1 2
1 2
CN105
ORANGE
ORANGE
2
1
1 2 3 4 5
1 2 3M4 5
BROWN
RED
ORANGE
YELLOW
GREEN
CM
FM
FM
CN301
W301
W104
W101
BLACK
RED
W103
W105 W102
GREEN/YELLOW
TERMINAL
COMPRESSOR
FAN
MOTOR
FOUR WAY
VALVE COIL
FAN MOTOR
CAPACITOR
OVERLOAD
RELAY
COMPRESSOR
CAPACITOR
NL
RC
S
4
SV
433
Models : ASH12ASGCW / AOH12ASGC
Models : ASH12RSGCW / AOH12RSGC
– 5 –
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