General AOH32E, ASH12EMBCW, AOH32ESAM4 Service Manual
HIGH POWER MULTI
AIR CONDITIONER
WALL MOUNTED
type
Models Indoor unit Outdoor unit
ASY12EMBCW AOY32ESAM4
ASH12EMBCW AOH32ESAM4
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 3
ERROR DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . 6
OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . 7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
SPECIFICATIONS
TYPE
OPERATION
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY (kW )
ELECTRICAL DATA
POW ER S OURCE (V)
FREQUENCY (Hz)
RUNNING CURRENT (A)
INPUT WATTS (kW )
E.E.R. (kW /kW)
MOIS TURE REMOVAL ( /hr)
AIR CIRCULATION-Hi (m
COMPRES S OR
TYPE
CODE
3
/hr)
COOL
1 UNIT 4 UNITS
ASY12EMBCW, ASH12EMBCW
AOY32ESAM4, AOH32ESAM4
3.45 - 3.50 9.10 - 9.40
220 - 240
50
6.5 - 6.5 13.7 - 13.7
1.35 - 1.43 2.85 - 3.10
2.55 - 2.45 3.19 - 3.03
1.2 0.8 x 4
500
Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor,Rotary
802 356 45 E
FAN MOTOR
POW ER SOURCE (V)
HI-SPEED (r.p.m.)
INDOOR UNIT
OUTDOOR UNIT HI-SPEED (r.p.m.)
MED-SPEED (r.p.m.)
LO-SPEED (r.p.m.)
QUITE (r.p.m.)
240
1,330
1,260
1,190
1,100
790
DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
H x W x D (mm)
260 x 815 x 175
1,152 x 940 x 370
WEIGHT
INDOOR UNIT
OUTDOOR UNIT
GROSS / NET (kg)
10 / 8
115 / 101
REFRIGERANT CHARGE R407C
TOTAL PIPE LENGTH 0 to 20 m 25 m 30 m
A1 + A2 or B1 + B2 (0 to 66 ft) (82 ft) (98 ft)
FULL CHARGE AMOUNT
1,150 g 1,250 g 1,350 g
(40.6 oz) (44.1 oz) (47.7 oz)
- 1 -2003.08.04
DIMENS IONS
INDOOR UNIT
260
OUTDOOR UNIT
Unit : mm
815
175
370
1,152
23
425
400
650
940
- 2 -2003.08.04
Pipe
Thermistor
Heat Exchanger
(Evaporator)
Heat Exchanger
(Condenser)
Compressor B
( Rotary )
Compressor A
( Rotary )
Main
Capillary
Tube
Main
Capillary
Tube
DistributorDistributor
Balance
Capillary
Tube
Balance
Capillary
Tube
Refrigerant pipe
(LIQ) : 6.35mm
(1/4") x 4
Refrigerant pipe
(GAS) : 12.7mm
(1/2") x 4
OUTDOOR UNIT
INDOOR UNIT A2
UNIT A UNIT B
3-way
Valve
2-way
Valve
3-way
Valve
2-way
Valve
Pipe
Thermistor
Heat Exchanger
(Evaporator)
INDOOR UNIT B1
2-way
Valve
Solenoid
Valve B1
Solenoid
Valve A1
Solenoid
Valve A2
3-way
Valve
Dryer
Dryer
Pipe
Thermistor
Heat Exchanger
(Evaporator)
INDOOR UNIT B2
2-way
Valve
Solenoid
Valve B2
3-way
Valve
Pipe
Thermistor
Heat Exchanger
(Evaporator)
INDOOR UNIT A1
REFRIGERANT SYSTEM DIAGRAM
SPECIFICATIONS
Models : ASY12EMBCW / AOY32ESAM4
ASH12EMBCW / AOH32ESAM4
- 3 -2003.08.04
INDOOR UNIT
ERROR DISPLAY
Error contents
Error display
OPERATION TIMER SWING
(RED) (GREEN) (ORANGE)
Indoor unit circuit board error
Indoor unit room temperature sensor wire
error
Indoor unit piping sensor wire error
Indoor unit fan error
Fast flashing
O :
OUTDOOR UNIT
THERMISTOR DISCHARGE PIPE abnormal
Slow flashing
● :
OO
2 times
3 times
6 times
LED D18 blinking display 0.1 sec ON / 0.1 sec OFF
● O
● O
● O
Off
:
Error display (PCB)Error contents
¥ Above PCB : UNIT A, below PCB : UNIT B.
- 4 -2003.08.04
GRAY
THERMISTOR
(PIPE TEMP.)
LOUVER
MOTOR
POWER SUPPLY BOARD
DISPLAY BOARD
TRANSFORMER
TERMINAL
FAN MOTOR
CAPACITOR
TERMINAL
FUSE 102 ϒC
GRAY
TEST
CN 1
BLACK
THERMISTOR (ROOM TEMP.)
BLACK
CN 2CN 4
PURPLE
PURPLE
PURPLE
THERMAL
FUSE
PURPLE
ORANGE
ORANGE
W101
W103
W104
W301
GRAY
RED
RED
GRAY
1 23
CN 201
BLUE
BLACK
WHITE
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
GRAY
BLUE
GREEN
YELLOW
ORANGE
RED
BLACK
GREEN
YELLOW
WHITE
RED
WHITE
BLACK
BROWN
BROWN
WHITE
BLACK
BLACK
WHITE
BROWN
43
CN 301
FAN
MOTOR
RELAY
BOARD
POWER
RELAY
FM
CN 9
CONTROL BOARD
1
7
6
5
4
3
2
1
CN 5CN 8
7
6
5
10
9
8
4
3
2
1
5
4
3
2
1
5
4
3
2
1
7
6
5
10
9
8
4
3
2
1
212
1
7
6
5
4
3
2
1
CN101
5
4
3
2
1
5
4
3
2
1
CN102
3
2
1
CN105
212
1
3
2
1
CN104
212
1
CN103
212
1
CN 7
1
2
3
1
2
3
7
6
5
4
3
2
1
1 2 3 4 5
1 2 3 4 5 6 7
1 2
1 2
3 4 5 6 7
CN 106
1 2 3 4 5 6 7
2
CN 3
1
2
M
PRINTED
CIRCUIT
BOARD
CN 11
1
2
SOLENOID
VALVE COIL
FAN MOTOR A
TERMINAL
EARTH
EARTH
FAN
CAPACITOR A
A2
SV
CM
BLUE
BLUE
C
R
S
CN 10
1
2
A1
SV
FM
BLUE
BLUE
CN 3
2
1
CN 1
1
2
BLACK
BLACK
WHITE
GREEN
GREEN
GREEN/YELLOW GREEN/YELLOW GREEN/YELLOW GREEN/YELLOW
BLACK
BLACK
BLACK
BLACK
BLACK
RED
PINK
BLACK
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
BLACK
WHITE
BLACK
BLACK YELLOW
BLACK
BLACK
CN 2
2
1
BLUE
RED
4
3
CN 4
3
4
1
2
WHITE
WHITE BLUE
BLACK
WHITE
BLACK
COMPRESSOR
CAPACITOR A
COMPRESSOR A
OVERLOAD
PROTECTOR
OVERLOAD
PROTECTOR
THERMISTOR A
(DIS. TEMP .)
USE
6.3A - 250V
FUSE ON FH1 - FH2
CN 9 CN 7
21
RED
RED
RED
43 21
BROWN
BROWN
43
TERMINAL
EW2W1
CN 11
1
2
SOLENOID
VALVE COIL
FAN MOTOR B
EARTH
FAN
CAPACITOR B
B2
SV
CM
BLUE
BLUE
C
R
S
CN 10
1
2
B1
SV
FM
BLUE
BLUE
CN 3
2
1
CN 1
1
2
BLACK
BLACK
BLACK
WHITE
WHITE
PINK
WHITE
BLACK
WHITE
PINK
WHITE
RED
WHITE
RED
WHITE
BLACK
WHITE
GREEN
BLACK
CN 2
2
1
BLUE
RED
4
3
CN 4
3
4
1
2
WHITE
BLACK
COMPRESSOR
CAPACITOR B
COMPRESSOR B
THERMISTOR B
(DIS. TEMP .)
CN 9 CN 7
21
RED
RED
RED
43 21
BROWN
BROWN
43
EW2W1
N
POWER
L 3
UNIT A1
12 3
UNIT A2
12
INDOOR UNIT B2 INDOOR UNIT B1 INDOOR UNIT A2
INDOOR UNIT
INDOOR UNIT A1
OUTDOOR UNIT
GRAY
THERMISTOR
(PIPE TEMP.)
LOUVER
MOTOR
POWER SUPPLY BOARD
DISPLAY BOARD
TRANSFORMER
TERMINAL
FAN MOTOR
CAPACITOR
TERMINAL
FUSE 102 ϒC
GRAY
TEST
CN 1
BLACK
THERMISTOR (ROOM TEMP.)
BLACK
CN 2CN 4
PURPLE
PURPLE
PURPLE
THERMAL
FUSE
PURPLE
ORANGE
ORANGE
W101
W103
W104
W301
GRAY
RED
RED
GRAY
1 23
CN 201
BLUE
BLACK
WHITE
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
GRAY
BLUE
GREEN
YELLOW
ORANGE
RED
BLACK
GREEN
YELLOW
WHITE
RED
WHITE
BLACK
BROWN
BROWN
WHITE
BLACK
BLACK
WHITE
BROWN
43
CN 301
FAN
MOTOR
RELAY
BOARD
POWER
RELAY
FM
CN 9
CONTROL BOARD
1
7
6
5
4
3
2
1
CN 5CN 8
7
6
5
10
9
8
4
3
2
1
5
4
3
2
1
5
4
3
2
1
7
6
5
10
9
8
4
3
2
1
212
1
7
6
5
4
3
2
1
CN101
5
4
3
2
1
5
4
3
2
1
CN102
3
2
1
CN105
212
1
3
2
1
CN104
212
1
CN103
212
1
CN 7
1
2
3
1
2
3
7
6
5
4
3
2
1
1 2 3 4 5
1 2 3 4 5 6 7
1 2
1 2
3 4 5 6 7
CN 106
1 2 3 4 5 6 7
2
CN 3
1
2
M
GRAY
THERMISTOR
(PIPE TEMP.)
LOUVER
MOTOR
POWER SUPPLY BOARD
DISPLAY BOARD
TRANSFORMER
TERMINAL
FAN MOTOR
CAPACITOR
TERMINAL
FUSE 102 ϒC
GRAY
TEST
CN 1
BLACK
THERMISTOR (ROOM TEMP.)
BLACK
CN 2CN 4
PURPLE
PURPLE
PURPLE
THERMAL
FUSE
PURPLE
ORANGE
ORANGE
W101
W103
W104
W301
GRAY
RED
RED
GRAY
1 23
CN 201
BLUE
BLACK
WHITE
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
GRAY
BLUE
GREEN
YELLOW
ORANGE
RED
BLACK
GREEN
YELLOW
WHITE
RED
WHITE
BLACK
BROWN
BROWN
WHITE
BLACK
BLACK
WHITE
BROWN
43
CN 301
FAN
MOTOR
RELAY
BOARD
POWER
RELAY
FM
CN 9
CONTROL BOARD
1
7
6
5
4
3
2
1
CN 5CN 8
7
6
5
10
9
8
4
3
2
1
5
4
3
2
1
5
4
3
2
1
7
6
5
10
9
8
4
3
2
1
212
1
7
6
5
4
3
2
1
CN101
5
4
3
2
1
5
4
3
2
1
CN102
3
2
1
CN105
212
1
3
2
1
CN104
212
1
CN103
212
1
CN 7
1
2
3
1
2
3
7
6
5
4
3
2
1
1 2 3 4 5
1 2 3 4 5 6 7
1 2
1 2
3 4 5 6 7
CN 106
1 2 3 4 5 6 7
2
CN 3
1
2
M
GRAY
THERMISTOR
(PIPE TEMP.)
LOUVER
MOTOR
POWER SUPPLY BOARD
DISPLAY BOARD
TRANSFORMER
TERMINAL
FAN MOTOR
CAPACITOR
TERMINAL
FUSE 102 ϒC
GRAY
TEST
CN 1
BLACK
THERMISTOR (ROOM TEMP.)
BLACK
CN 2CN 4
PURPLE
PURPLE
PURPLE
THERMAL
FUSE
PURPLE
ORANGE
ORANGE
W101
W103
W104
W301
GRAY
RED
RED
GRAY
1 23
CN 201
BLUE
BLACK
WHITE
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
GRAY
BLUE
GREEN
YELLOW
ORANGE
RED
BLACK
GREEN
YELLOW
WHITE
RED
WHITE
BLACK
BROWN
BROWN
WHITE
BLACK
BLACK
WHITE
BROWN
43
CN 301
FAN
MOTOR
RELAY
BOARD
POWER
RELAY
FM
CN 9
CONTROL BOARD
1
7
6
5
4
3
2
1
CN 5CN 8
7
6
5
10
9
8
4
3
2
1
5
4
3
2
1
5
4
3
2
1
7
6
5
10
9
8
4
3
2
1
212
1
7
6
5
4
3
2
1
CN101
5
4
3
2
1
5
4
3
2
1
CN102
3
2
1
CN105
212
1
3
2
1
CN104
212
1
CN103
212
1
CN 7
1
2
3
1
2
3
7
6
5
4
3
2
1
1 2 3 4 5
1 2 3 4 5 6 7
1 2
1 2
3 4 5 6 7
CN 106
1 2 3 4 5 6 7
2
CN 3
1
2
M
3
UNIT B1
12 3
UNIT B2
12
TERMINAL
PRINTED
CIRCUIT
BOARD
USE
6.3A - 250V
FUSE ON FH1 - FH2
Models : ASY12EMBCW x 4 / AOY32ESAM4
ASH12EMBCW x 4 / AOH32ESAM4
CIRCUIT DIAGRAM
- 5 -2003.08.04
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