General ASH12A, ASH12ASGCW, AOH12ASGC, ASH9A, ASH9ASGCW Service Manual

SPLIT TYPE ROOM AIR

CONDITIONER

WALL MOUNTED type

Models

Indoor unit

Outdoor unit

ASH9ASGCW AOH9ANGC

ASH9RSGCW AOH9RSGC

ASH12ASGCW AOH12ASGC

ASH12RSGCW AOH12RSGC

C O N T E N T S

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . 2

CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . 6

P.C. BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

REMOTE CONTROL UNIT CIRCUIT DIAGRAM . . . . . . . . . . 11

DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . 13

PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

S P E C I F I C A T I O N S

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)	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
INPUT WATTS		(kW)	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
EER	(kW/kW)		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
MOISTURE	REMOVAL		(r/hr)	1.3			1.3			1.8				1.8
AIR CIRCULATION-Hi			(m3/hr)	480			COOL 495	HEAT 510		495				COOL 510	HEAT 510

COMPRESSOR

TYPE				Hermetic type, Permanent split condenser,
				2 pole, Single phase, Induction motor
CODE			2PS180D5AA02	80697645B	80615945B	80615945B
			240 - 220V 50Hz	240 - 220V 50Hz	240 - 220V 50Hz	240 - 220V 50Hz
REFRIGERANT	R-22	(g)	670	900	750	1,100

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	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
OUTDOOR UNIT		(r.p.m.)	705 - 660	720 - 675			790 - 760	710 - 665

DIMENSIONS

	INDOOR UNIT	H x W x D	(mm)	260 x 815 x 168
	OUTDOOR UNIT			535 x 695 x 250

WEIGHTS

INDOOR UNIT	GROSS / NET	(kg)			10 / 8
OUTDOOR UNIT			29 / 26	31 / 28		33 / 30	36 / 33

– 1 –

R E F R I G E R A N T S Y S T E M D I A G R A M

Models : ASH9ASGCW / AOH9ANGC

INDOOR UNIT			OUTDOOR UNIT
Refrigerant pipe	Capillary tube
ø 6.35mm(1/4")	2-Way valve
			Strainer
Evaporator
			Condenser
Refrigerant pipe
ø 9.52mm(3/8")	3-Way
Charging valve	valve
		Compressor
Models : ASH9RSGCW / AOH9RSGC
INDOOR UNIT			OUTDOOR UNIT
		Capillary tube	Capillary tube
Refrigerant pipe	Strainer	for heating	for heating and cooling
ø 6.35mm(1/4")	2-Way	Check valve
	valve
		Compressor
Evaporator			Condenser
	4-Way
	valve

Refrigerant pipe ø 9.52mm(3/8")

	Charging valve	3-Way
		valve

Cooling

Heating

: Flare coupling

– 2 –

Models : ASH12ASGCW / AOH12ASGC

INDOOR UNIT			OUTDOOR UNIT
Refrigerant pipe	Capillary tube
ø 6.35mm(1/4")	2-Way valve
			Strainer
Evaporator
			Condenser
Refrigerant pipe
ø 12.7mm(1/2")	3-Way
Charging valve	valve
		Compressor
Models : ASH12RSGCW / AOH12RSGC
INDOOR UNIT			OUTDOOR UNIT
		Capillary tube	Capillary tube
Refrigerant pipe	Strainer	for heating	for heating and cooling
ø 12.7mm(1/4")	2-Way	Check valve
	valve
		Compressor
Evaporator			Condenser
	4-Way
	valve

Refrigerant pipe ø 12.7mm(1/2")

	Charging valve	3-Way
		valve

Cooling

Heating

: Flare coupling

– 3 –

C I R C U I T D I A G R A M

Models : ASH9ASGCW / AOH9ANGC

	GRAY
	GRAY
GREEN			W101
			W103
	BLACK

N L

THERMAL FUSE 102°C

TERMINAL

									TRANSFORMER
											THERMAL FUSE													PURPLE												FAN MOTOR
							RED		RED												PURPLE
																											BLACK																	BLACK
																															YELLOW							FM				WHITE
																																	WHITE									RED
																												2					5
	1		2					1		2										1		2		3		1				3		4					BLUE						3		2		1
	1		2					1		2										1		2		3		1		2		3		4	5		1		WHITE			1	1		3		2		1
CN103							CN104													CN102								CN101							2					2	2			CN7
																																	CN106				WHITE
																																			3					3	3	CN9
																																					WHITE
								POWER SUPPLY BOARD																											4					4	4
																																					WHITE
																																			5					5	5
														CN105																					6		WHITE			6	6
																										W104											WHITE
															1		2																		7					7	7
															1		2																BROWN
					WHITE						ORANGE									ORANGE	CAPACITOR														POWER							W301
																					FAN MOTOR														RELAY					BOARD CN301								2
									BLUE																												4		3	RELAY								1
								GREEN/YELLOW

CN201																		THERMISTOR (ROOMTEMP)									THERMISTOR (PIPETEMP)
	DISPLAY BOARD
	1		2		3		4		5	6		7
	BROWN	RED		ORANGE		YELLOW		GREEN		BLUE	PURPLE			BLACK	BLACK							GRAY			GRAY
	1		2		3		4		5	6		7											2		1
	1		2		3		4		5	6		7			2	1							2		1
						CN4									CN2								CN3
																												1		TEST
																										CN1		4
			CONTROL BOARD																									2
																												3
					CN8										CN5
																												5
					1		2			1		2	3	4	5	6		7		8		9		10
					1		2			1		2	3	4	5	6		7		8		9		10
					BROWN	WHITE									BLUE			PURPLE		GRAY		WHITE	BLACK
																1		2		3		4		5
																1		2		3		4		5

M

LOUVER MOTOR

BROWN

TERMINAL

N L

INDOOR UNIT OUTDOOR UNIT

				BLACK
				BLACK
	COMPRESSOR			OVERLOAD
				RELAY
WHITE	R	CM	C	BLACK
					RED
		S
COMPRESSOR				FAN MOTOR FM	FAN MOTOR
					CAPACITOR
CAPACITOR					ORANGE
WHITE	RED

WHITE

Models : ASH9RSGCW / AOH9RSGC

TRANSFORMER

		GRAY
		GRAY
GREEN				W101
				W103
	BLACK			RED

		THERMAL FUSE				PURPLE			FAN MOTOR
	RED	RED			PURPLE		BLACK						BLACK
							YELLOW			FM			WHITE
								WHITE					RED
1 2	1 2				1 2 3		1 2 3 4 5			BLUE			3 2 1
1 2	1 2				1 2 3		1 2 3 4 5		7		7 7		3 2 1
										WHITE
CN103	CN104				CN102		CN101		6		6 6		CN7
								CN106		WHITE
									5		5	5	CN9
										WHITE
	POWER SUPPLY BOARD								4		4	4
									3	WHITE 3 3
			CN105						2	WHITE	2 2
							W104			WHITE
W105		W102	1	2					1		1	1
BLUE			1	2
								BROWN
		ORANGE			ORANGE CAPACITOR								W301
WHITE									POWER
					FAN MOTOR
									RELAY

		BOARD CN301	2
		RELAY	1
N	L 3 4
THERMAL	BLUE	4 3
FUSE 102°C
TERMINAL	GREEN/YELLOW

CN201	DISPLAY BOARD															THERMISTOR (ROOM TEMP)									THERMISTOR (PIPE TEMP)
	1	2	3	4		5	6		7
			ORANGE	YELLOW
	BROWN	RED			GREEN		BLUE	PURPLE				BLACK	BLACK							GRAY			GRAY
	1	2	3	4
						5	6		7												2		1
	1 2 3 4					5	6		7				2	1							2		1
			CN4										CN2								CN3
																										1		TEST
																								CN1		4
		CONTROL BOARD																								2
																										3
			CN8										CN5
																										5
			1 2				1		2		3	4	5	6		7		8		9		10
			1 2				1		2		3	4	5	6		7		8		9		10
			BROWN	WHITE									BLUE			PURPLE		GRAY		WHITE	BLACK
														1		2		3		4		5
														1		2		3		4		5

M

LOUVER MOTOR

BROWN

TERMINAL

N L 3 4

INDOOR UNIT

OUTDOOR UNIT

BLACK

DARK GRAY

BLUE

	COMPRESSOR			OVERLOAD
				RELAY
WHITE	R	CM	C	BLACK	FAN	RED
		S			MOTOR
					FM	FAN MOTOR
COMPRESSOR
						CAPACITOR
CAPACITOR						ORANGE
WHITE	RED			FOUR WAY	SV
				VALVE COIL

BLACK

WHITE

– 4 –

Models : ASH12ASGCW / AOH12ASGC

	GRAY
	GRAY
GREEN			W101
			W103
	BLACK

N L

THERMAL FUSE 102°C

TERMINAL

									TRANSFORMER
											THERMAL FUSE													PURPLE												FAN MOTOR
							RED		RED												PURPLE
																											BLACK																	BLACK
																															YELLOW							FM				WHITE
																																	WHITE									RED
																												2					5
	1		2					1		2										1		2		3		1				3		4					BLUE						3		2		1
	1		2					1		2										1		2		3		1		2		3		4	5		1		WHITE			1	1		3		2		1
CN103							CN104													CN102								CN101							2					2	2			CN7
																																	CN106				WHITE
																																			3					3	3	CN9
																																					WHITE
								POWER SUPPLY BOARD																											4					4	4
																																					WHITE
																																			5					5	5
														CN105																					6		WHITE			6	6
																										W104											WHITE
															1		2																		7					7	7
															1		2																BROWN
					WHITE						ORANGE									ORANGE	CAPACITOR														POWER							W301
																					FAN MOTOR														RELAY					BOARD CN301								2
									BLUE																												4		3	RELAY								1
								GREEN/YELLOW

CN201																		THERMISTOR (ROOMTEMP)									THERMISTOR (PIPETEMP)
	DISPLAY BOARD
	1		2		3		4		5	6		7
	BROWN	RED		ORANGE		YELLOW		GREEN		BLUE	PURPLE			BLACK	BLACK							GRAY			GRAY
	1		2		3		4		5	6		7											2		1
	1		2		3		4		5	6		7			2	1							2		1
						CN4									CN2								CN3
																												1		TEST
																										CN1		4
			CONTROL BOARD																									2
																												3
					CN8										CN5
																												5
					1		2			1		2	3	4	5	6		7		8		9		10
					1		2			1		2	3	4	5	6		7		8		9		10
					BROWN	WHITE									BLUE			PURPLE		GRAY		WHITE	BLACK
																1		2		3		4		5
																1		2		3		4		5

M

LOUVER MOTOR

BROWN

TERMINAL

N L

INDOOR UNIT OUTDOOR UNIT

				BLACK
				BLACK
	COMPRESSOR			OVERLOAD
				RELAY
WHITE	R	CM	C	BLACK
					RED
		S
COMPRESSOR				FAN MOTOR FM	FAN MOTOR
					CAPACITOR
CAPACITOR					ORANGE
WHITE	RED

WHITE

Models : ASH12RSGCW / AOH12RSGC

TRANSFORMER

GRAY

GRAY

		1	2
		1	2
	W101	CN103
GREEN
	W103	W105
BLACK	RED		BLUE

N L 3 4

THERMAL FUSE 102°C

TERMINAL

	THERMAL FUSE			PURPLE			FAN MOTOR
	RED RED		PURPLE		BLACK						RED
					YELLOW			FM			WHITE
						WHITE					BLACK
	1 2	1 2 3			1 2 3 4 5			BLUE			3 2 1
	1 2	1 2 3			1 2 3 4 5		1		1 1		3 2 1
								WHITE
	CN104	CN102			CN101		2		2 2		CN7
						CN106		WHITE
							3		3	3	CN9
								WHITE
	POWER SUPPLY BOARD						4		4	4
							5	WHITE 5 5
	CN105						6	WHITE	6 6
					W104			WHITE
	W102	1	2				7		7	7
		1	2				BROWN
	ORANGE			ORANGE	CAPACITOR
								POWER			W301
					FAN MOTOR			RELAY
											RELAY
	WHITE										BOARD
								4		3
	BLUE
	GREEN/YELLOW

CN301

		CN201								THERMISTOR		(ROOMTEMP)			THERMISTOR (PIPETEMP)
DISPLAY BOARD
1	2	3	4	5	6		7
BROWN	RED	ORANGE	YELLOW	GREEN	BLUE	PURPLE			BLACK	BLACK				GRAY	GRAY
1	2	3	4	5	6		7							2	1
1 2 3 4 5 6 7										2 1				2 1
		CN4							CN2					CN3		1		TEST
															CN1	4
	CONTROL BOARD															2
																3
		CN8							CN5
																5
		1 2				1 2 3 4 5 6 7 8 9 10
		1 2				1 2 3 4 5 6 7 8 9 10
1		BROWN	WHITE	BROWN		RED	ORANGE	YELLOW	GREEN	BLUE	PURPLE		GRAY	WHITE	BLACK
2					1 2 3 4 5					1 2 3 4 5
					1	2	3	4	5	1	2		3	4	5

M M

BROWN

TERMINAL

N L 3 4

DIFFUSER LOUVER

MOTOR MOTOR

INDOOR UNIT

OUTDOOR UNIT

BLACK

DARK GRAY

BLUE

	COMPRESSOR			OVERLOAD
				RELAY
WHITE	R	CM	C	BLACK	FAN	RED
		S			MOTOR
					FM	FAN MOTOR
COMPRESSOR
						CAPACITOR
CAPACITOR						ORANGE
WHITE	RED			FOUR WAY	SV
				VALVE COIL

BLACK

WHITE

– 5 –