Fujitsu AUH12UMAB User manual

MULTI AIR CONDITIONER
WALL MOUNTED
CASSETTE type
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . .
OUTLINE AND DIMENSIONS . . . . . . . . . . . .
REFRIGERANT SYSTEM DIAGRAM . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . . .
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . .
Models
Indoor unit Outdoor unit
ASH12UMBD
ASH7UMBD
AOH20USBV2
AUH12UMAB
ASH7UMBD
AOH20USBV2
1
3
6
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . 11
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . .
INDOOR PCB CIRCUIT DIAGRAM . . . . . . .
7
9
13
24
STANDARD ACCESSORIES . . . . . . . . . . . . . 27

TYPE
INDOOR UNIT
OUTDOOR UNIT
AOH20USBV2
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE
FREQUENCY
RUNNING CURRENT
COOLING
HEATING
INPUT WATTS
COOLING
HEATING
E.E.R.
COOLING
HEATING
MOISTURE REMOVAL
AIR CIRCULATION-High
ELECTRICAL DATA
SPECIFICATIONS
ASH12UMBD
3.50 kW
4.10 kW
5.8 A
6.1 A
1.30 kW
1.38 kW
2.69 kW/kW
2.97 kW/kW
1.3 L/hr
520 m3/hr
ASH7UMBD
2.20 kW
2.55 kW
4.1 A
4.3 A
0.86 kW
0.95 kW
2.56 kW/kW
2.68 kW/kW
0.8 L/hr
420 m3/hr
AUH12UMAB
3.50 kW
4.10 kW
5.8 A
6.1 A
1.30 kW
1.38 kW
2.69 kW/kW
2.97 kW/kW
1.3 L/hr
550 m3/hr
COOL & HEAT
230 V
50 Hz
TYPE
INDOOR UNIT
OUTDOOR UNIT
AOH20USBV2
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE
FREQUENCY
RUNNING CURRENT
COOLING
HEATING
INPUT WATTS
COOLING
HEATING
E.E.R.
COOLING
HEATING
MOISTURE REMOVAL
AIR CIRCULATION-High
ELECTRICAL DATA (Combination)
ASH12UMBD + ASH7UMBD
5.70 kW
6.70 kW
9.2 A
9.7 A
2.03 kW
2.15 kW
2.81 kW/kW
3.12 kW/kW
1.3 + 0.8 L/hr
520 + 420 m3/hr
AUH12UMAB + ASH7UMBD
5.70 kW
6.70 kW
9.2 A
9.7 A
2.03 kW
2.15 kW
2.81 kW/kW
3.12 kW/kW
1.3 + 0.8 L/hr
550 + 420 m3/hr
COOL & HEAT
230 V
50 Hz
12006.03.01

SPECIFICATIONS
MODEL NAME
HIGH-SPEED
FAN MOTOR
( cool / heat )
MED-SPEED
LOW-SPEED
QUIET
QUIET
DIMENSIONS H x W x D
WEIGHT
INDOOR UNIT
GROSS / NET
ASH12UMBD AUY12UMAB
1,310 r.p.m. / 1,310 r.p.m.
1,260 r.p.m. / 1,180 r.p.m.
1,190 r.p.m. / 1,030 r.p.m.
1,100 r.p.m. / 970 r.p.m.
257 x 808 x 187 mm
10 kg / 8 kg
760 r.p.m. / 760 r.p.m.
690 r.p.m. / 690 r.p.m.
610 r.p.m. / 610 r.p.m.
-----
235 x 580 x 580 + 70 mm
23 kg / 18 kg
NOISE LEVEL
( cool / heat )
HIGH-SPEED
MED-SPEED
LOW-SPEED
38 dB / 38 dB
37 dB / 35 dB
35 dB / 31 dB
33 dB / 29 dB
ASH7UMBD
1,250 r.p.m. / 1,270 r.p.m.
1,140 r.p.m. / 1,140 r.p.m.
1,070 r.p.m. / 1,030 r.p.m.
1,000 r.p.m. / 970 r.p.m.
257 x 808 x 187 mm
10 kg / 8 kg
36 dB / 36 dB
32 dB / 32 dB
31 dB / 30 dB
29 dB / 28 dB
42 dB / 43 dB
39 dB / 40 dB
36 dB / 37 dB
-----
OUTDOOR UNIT
COMPRESSOR TYPE
COMPRESSOR DISCRIMINATION
POWER SOURCE
REFRIGERANT
R410A
FAN MOTOR
H x W x D
DIMENSIONS
GROSS / NET
WEIGHT
Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor, Rotary
Comp A : 802 354 35B, Comp B : 802 100 65B
MODEL NAME AOH20USBV2
Compressor A : 900 g, Compressor B : 750 g
780 r.p.m.
700 x 900 x 330 mm
73 kg / 66 kg
230V - 50Hz
ADDITIONAL CHARGE
CHARGELESS PIPE LENGTH
MAXIMUM PIPE LENGTH
Comp A : 7.5m, Comp B : 7.5 m
Comp A : 15 m, Comp B : 15 m
Comp A : 10 g/m, Comp B : 10 g/m
NOISE LEVEL ( cool / heat )
52 dB / 53 dB
22006.03.15

INDOOR UNIT (Wall mounted type)
Models : ASH12UMBD, ASH7UMBD
(Unit : mm)
OUTLINE AND DIMENSIONS
32006.03.01
187
808
257

20
235
66
250
440
580
( 650) (Grille measurement)
650
(Hanging bolt position)
400
(Hanging bolt position)
606
580 66
440
35
600
(Ceiling opening measurement)
250
60
86
Drain pipe (I.D. 32)
54
46
131 111
47
INDOOR UNIT (Cassette type)
Model : AUH12UMAB
(Unit : mm)
650
650
42006.03.01

OUTDOOR UNIT
Model : AOH20USBV2
(Unit : mm)
Air Flow
40900
700
21
9
400
33031 12
370
650
52006.03.01

REFRIGERANT SYSTEM DIAGRAM
62006.02.17
INDOOR UNIT A INDOOR UNIT B
EVAPOLATOR EVAPOLATOR
THERMISTOR ( PIPE TEMP. ) THERMISTOR ( PIPE TEMP. )
2-WAY VALVE
4-WAY VALVE
S C
4-WAY VALVE
S C E D
HEAT COOL
E D
2-WAY VALVE 3-WAY VALVE CAPILLARY
TUBE
U N I T B U N I T A
CAPILLARY TUBE
CAPILLARY TUBE CAPILLARY TUBE
3-WAY VALVE
MUFFLER
COMPRESSOR-ATHERMISTOR-A (DISCHARGE-PIPE)
THERMISTOR-A (CONDENSER) THERMISTOR-B (CONDENSER)
THERMISTOR (OUTDOOR TEMP.)
CONDENSER
COMPRESSOR-BTHERMISTOR-B (DISCHARGE-PIPE)
MUFFLER
STRAINER STRAINER
THERMISTOR ( ROOM TEMP. ) THERMISTOR ( ROOM TEMP. )
OUTDOOR UNIT
REFRIGERANT PIPE 9.52mm(3/8") REFRIGERANT PIPE 9.52mm(3/8") REFRIGERANT PIPE 6.35mm(1/4") REFRIGERANT PIPE 6.35mm(1/4")

UNIT BUNIT A
7
2006.03.01
1 2 3 4 5 6 7 8
1
1 2 3 4 5
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
2
1
2
1
2
3
1
2
3
1
2
1
3
5
4
3
2
1
5
6
4
3
2
1
5
6
4
3
2
1
5
4
3
2
1
5
4
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
2
1
5
6
4
3
2
1
5
4
3
2
1
BLACK
THERMISTOR ( ROOM TEMP. )
THERMISTOR
( PIPE TEMP. )
FAN MOTOR
CAPACITOR
STEPPING MOTOR
CONTROL BOARD
POWER SUPPLY BOARD
TRANSFORMER
BOARD DISPLAY
FAN MOTOR
BLACK
GRAY
GRAY
WHITE BLUE
PINK
YELLOW
ORANGE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
YELLOW
BLUE
WHITE WHITE WHITE WHITE WHITE WHITE
BLACK
BLACK
GREEN
ORANGE
ORANGE
PURPLE
PURPLE
RED
RED
GRAY
GRAY
BLACK
WHITE
RED
THERMAL FUSE
THERMAL FUSE
THERMAL
RED
RED
TEST
CN1
H.A. OUT
H.A. IN
CN201
CN6
CN105
W101
W106
W105
W104
W103W102
103
CN101CN102CN104CN103 CN3CN2
CN10CN7
CN4CN8
CN5
1 2 3
(N)
F M
M
1 2 3 4 5 6 7 8
1
1 2 3 4 5
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
2
1
2
1
2
3
1
2
3
1
2
1
3
5
4
3
2
1
5
6
4
3
2
1
5
6
4
3
2
1
5
4
3
2
1
5
4
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
2
1
5
6
4
3
2
1
5
4
3
2
1
BLACK
THERMISTOR ( ROOM TEMP. )
THERMISTOR
( PIPE TEMP. )
FAN MOTOR
CAPACITOR
STEPPING MOTOR
CONTROL BOARD
POWER SUPPLY BOARD
TRANSFORMER
BOARD DISPLAY
FAN MOTOR
BLACK
GRAY
GRAY
WHITE BLUE
PINK
YELLOW
ORANGE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
YELLOW
BLUE
WHITE WHITE WHITE WHITE WHITE WHITE
BLACK
BLACK
GREEN
ORANGE
ORANGE
PURPLE
PURPLE
RED
RED
GRAY
GRAY
BLACK
WHITE
RED
THERMAL FUSE
THERMAL FUSE
THERMAL
RED
RED
TEST
CN1
H.A. OUT
H.A. IN
CN201
CN6
CN105
W101
W106
W105
W104
W103W102
103
CN101CN102CN104CN103 CN3CN2
CN10CN7
CN4CN8
CN5
1 2 3
(N)
F M
M
INDOOR UNIT
Wall Mounted type
(ASH12UMBD)
Wall Mounted type
(ASH7UMBD)
CIRCUIT DIAGRAM
Models :
ASH12UMBD, ASH7UMBD / AOH20USBV2
COMP.
CAPACITOR A
OVERLOAD PROTECTOR OVERLOAD PROTECTOR
COMP.
CAPACITOR B
FAN
CAPACITOR
FAN
MOTOR
SOLENOID
COIL A
FM
COMP.B
R
C
S
R
C
S
4WV
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
YELLOW
BLACK BLACK
CN5
CN10
CN9
CN1
E 1
W 1
W 2
W 3
W 4
CN4 CN3
CN2
BLACK
BLACK BLACK
PINK
BROWN
YELLOW
GREEN
GREEN
YELLOW
YELLOW
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
PINK
WHITE
WHITE
WHITE
RED
RED
RED
BLUE
BLUE 4WV
COMP.A
RELAY
B
RELAY
A PRINTED
CIRCUIT
BOARD
TERMINAL
THERMISTOR
(OUT.TEMP.)
THERMISTOR A
(DIS.TEMP.)
FUSE
F1 T6 . 3A250V
THERMISTOR B
(DIS.TEMP.)
THERMISTOR A
(COND.TEMP.)
THERMISTOR B
(COND.TEMP.)
UNIT A
1 32(N) 1 32(N) NL
UNIT B POWER
SOLENOID
COIL B
BLACK
1
2
1
2
1
2
1
2
1
2
3
4
1
2
3
4
5
6
7
8
9
10
4
3
2
1
BLACK
BLACK
BLACK
OUTDOOR UNIT

8
2006.03.01
COMP.
CAPACITOR A
OVERLOAD PROTECTOR OVERLOAD PROTECTOR
COMP.
CAPACITOR B
FAN
CAPACITOR
FAN
MOTOR
SOLENOID
COIL A
FM
COMP.B
R
C
S
R
C
S
4WV
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
YELLOW
BLACK BLACK
CN5
CN10
CN9
CN1
E 1
W 1
W 2
W 3
W 4
CN4 CN3
CN2
BLACK
BLACK BLACK
PINK
BROWN
YELLOW
GREEN
GREEN
YELLOW
YELLOW
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
PINK
WHITE
WHITE
WHITE
RED
RED
RED
BLUE
BLUE 4WV
COMP.A
RELAY
B
RELAY
A PRINTED
CIRCUIT
BOARD
TERMINAL
THERMISTOR
(OUT.TEMP.)
THERMISTOR A
(DIS.TEMP.)
FUSE
F1 T6 . 3A250V
THERMISTOR B
(DIS.TEMP.)
THERMISTOR A
(COND.TEMP.)
THERMISTOR B
(COND.TEMP.)
UNIT A
1 32(N) 1 32(N) NL
UNIT B POWER
SOLENOID
COIL B
BLACK
1
2
1
2
1
2
1
2
1
2
3
4
1
2
3
4
5
6
7
8
9
10
4
3
2
1
BLACK
BLACK
BLACK
OUTDOOR UNITINDOOR UNIT
Cassette type
(AUH12UMAB)
Models :
AUH12UMAB, ASH7UMBD / AOH20USBV2
UNIT A
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
3
1
2
1
2
1
2
1
3
1
8
7
6
5
4
3
2
1
5 34 2 1
5 34 2 1 1 2 3 4 5 6
1 2 5 3 6 4
2 3 1
1
2
THERMISTOR (PIPE TEMP.)
STEPPING
MOTOR
TERMINAL 12
(N)
3
THERMISTOR (ROOM TEMP.)
CONTROL BOARD
DISPLAY BOARD
FLOAT
SWITCH
PURPLE
BLUE
GRAY
WHITE
WHITE BLACK
YELLOW
ORANGE
RED
BROWN
PURPLE
GREEN/YELLOW
YELLOW
YELLOW
BLACK
BLACK
BLACK
WHITE
WHITE
LN
GREEN
EARTH
EARTH
EARTH
WHITE
BLUE WHITE WHITE BLACK YELLOW ORANGE RED RED
RED
BROWN
BLACK
BLACK
BLACK
BLACK
GRAY
GRAY
CN 13CN 15
CN 4
CN 8CN 7
CN 10 CN 5
CN 6
CN 1
CN 201
M
DRAIN PUMP
MOTOR
FAN MOTOR
CAPACITOR
FILTER
BOARD
Use T3.15A - 250V
Fuse on F101
M
FAN
MOTOR
FM
2
1
UNIT B
1 2 3 4 5 6 7 8
1
1 2 3 4 5
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
2
1
2
1
2
3
1
2
3
1
2
1
3
5
4
3
2
1
5
6
4
3
2
1
5
6
4
3
2
1
5
4
3
2
1
5
4
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
2
1
5
6
4
3
2
1
5
4
3
2
1
BLACK
THERMISTOR ( ROOM TEMP. )
THERMISTOR
( PIPE TEMP. )
FAN MOTOR
CAPACITOR
STEPPING MOTOR
CONTROL BOARD
POWER SUPPLY BOARD
TRANSFORMER
BOARD DISPLAY
FAN MOTOR
BLACK
GRAY
GRAY
WHITE BLUE
PINK
YELLOW
ORANGE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
YELLOW
BLUE
WHITE WHITE WHITE WHITE WHITE WHITE
BLACK
BLACK
GREEN
ORANGE
ORANGE
PURPLE
PURPLE
RED
RED
GRAY
GRAY
BLACK
WHITE
RED
THERMAL FUSE
THERMAL FUSE
THERMAL
RED
RED
TEST
CN1
H.A. OUT
H.A. IN
CN201
CN6
CN105
W101
W106
W105
W104
W103W102
103
CN101CN102CN104CN103 CN3CN2
CN10CN7
CN4CN8
CN5
1 2 3
(N)
F M
M
Wall Mounted type
(ASH7UMBD)

9
34
21
22
4
+
12 5
11 6
VCC
D0
TEST
GND
CS
SK
D1
NC 7
3
2
18
4
6
5
42
41
40
39
5
6
7
12V
1
43
2
18
10
14
3
2
5
4
1
5V
O
I
G
+
+
+
+
8
13
15
14
16
9
4
2
1
3
CN5-1 RED
CN5-2 ORANGE
CN5-3 YELLOW
CN5-5 BLUE
CN5-4 PINK
6
5
4
3
2
1
5V
5V
+
RED
12V
FAN MOTOR
F M
12V
5V
12V
R103
C107
0.01
W101
E
GREEN
UL1015 AWG22 GREEN
C102
4700P
C101
4700P
C103
0.1
VA101
470V
FH101
FH102
F101
T
3.15A
250V
W102
BLACK
W103
WHITE
W104
RED
UL1015 AWG22 BLACK
UL1015 AWG22 WHITE
UL1015 AWG22 RED
TERMINAL
LN3
OUTDOOR UNIT
VA103
470V
C110
0.1
<F>
I C102
H I 2002
CN105
PHR-8
UL1061 AWG26 x 8
CN105-8 WHITE
CN6-8
CN105-7 WHITE
CN6-7
CN105-6 WHITE
CN6-6
CN105-5 WHITE
CN6-5
CN105-4 WHITE
CN6-4
CN105-3 WHITE
CN6-3
CN105-2 WHITE
CN6-2
CN105-1 BLUE
CN6-1
C111
100/
25V
C108
0.1
<F>
I C101
7805
C106
2200
/25V
D103
1SR139
D102
MTZJ15B
Q101
KSD880
D101
S1VB20
R101 10K
<1/4W>
C105
2200
/35V
R102 1.0K
<1/2W>
C109
10/
50V
SSR101
G3MC-201PL-VD DC12V
CN7-1 RED
CN7-2 WHITE
CN7-3 BLACK
UL1061 AWG26 x 5
LOUVER
M
VCC (+5V)
GND
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
5V
5V R33
10K
<1/10W>
C11
0.1
<F>
5V
5V
I C2
BR93LC46
EEPROM
L3
BLm11
<A601>
5V
5V
R7 330
<1/10W>
I C6
PS2561-1
R9 10K
<1/10W>
C31
0.01
<B>
R39
10K
<1/10W>
R10 1.0K
<1/10W>
C8
0.01
<B>
L2
BLm11
<A601>
I C7
PS2561-1
R31 330
<1/10W> Q5
DTC124EUA
CN7
B3B-XH-AM
B2B-XH-AM
CN10
CN6
B8B-PH-K-S
17
18
31
19
1
33 32
X1 X2
49
50
51
52P47
P46
P45
P44
P23
P24
I C
P25
P54
R36
X1
CST8.38MHz
L1
1 3
2
12V
12V
I C5-1 uLN2003
I C5-4 uLN2003
I C5-3 uLN2003
I C5-2 uLN2003
CN5 53325-0510
UL1061 AWG26 x 6
CN4-6 WHITE
CN4-4 WHITE
CN4-5 WHITE
CN4-2 WHITE
CN4-3 WHITE
CN4-1 RED
5V CN4 B6B-PH-K-S
CN1 B5P-SHF-1AA
CHECKER
CN1-1
CN1-5
CN1-4
CN1-3
CN1-2
CN201
INDICATOR PCB
EZ-00307HSE-D
X201
GP1UM261RK
C202
0.1 <F>
R201 47
<1/4W>
C201
47/10V
DATA
OPERATE
TIMER
DEFROST
GREEN
ORANGE
D201 SLR-325 <VC>
D202 SLR-325 <DC>
D203 SLR-325 <MC>
CN2-1 BLACK
CN2-1 BLACK
CN3-1 GRAY
CN3-2 GRAY
5V CN2
CN3
R27 10K
<1/10W>
(1%)
R26 49.9K
<1/10W>
(1%)
3
R17 330 <1/10W>
R16 330 <1/10W>
R15 330 <1/10W>
+
+
2
1 3
5V
C30
0.01
<B>
R12
10K
<1/10W>
5V
35
11
12
38
13P36
P03
P35
P34
P00
P56
P55
P54
P73
P72
P71
P70
R22
R23
R20 R21
10K <1/10W> x 4
5V
R19
10K
<1/10W>
C16
1000P
<R>
R18 47 <1/10W>
5V
37
14
15
16
43
23
27
10
20
26
30
29
25
24
28
P11
P10
XT2
C27
0.1 <F>
5V
R28 10K
<1/10W>
MANUAL AUTO
SWITCH
SW1
RESET 1
2
5
4
I C3
BD4742G
C25
0.1 <F>
C22
0.1 <F>
C21
0.1 <F>
R24 390
<1/10W>
R25 390
<1/10W>
5V
5V
R29
10K
<1/10W>
5V 5V
12V
B Z
2
31
I C 1
44
8
P57
R30 1.0K
<1/10W>
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
ASH12UMBD : K-03BK-0502HSE-C1
ASH7UMBD : K-03BK-0500HSE-C1
5V
5V
C7
10/25V
C32
0.1
<F>
C6
0.1 <F>
JM1
JM5
JM4
JM3
JM2
R34
R4
R5 R3
R35
10K <1/10W> x 5
C1
0.1 <F>
CN8
S3P-VH
Q1
DTC124EUA
Q3
DTC124EUA
Q4
DTC124EUA
R38
10K
<1/10W>
R8
10K
<1/10W>
C9
0.01
<B>
R6 390 <1/10W>
BZ1
PST1240P02A-T
R14 10K
<1/10W>
R1
10K
<1/10W>
R2 1.0K
<1/10W>
Q2
DTC124EUA
C2
0.1 <F>
uPD78F0034BSGB-X39-8ET-01
or
uPD780024ASGB-X39-8ET
36
2
3
RESET
P75
P02
P20
P21
P22
P74
P12
AVDD
VDD0
VDD1
AVREF
XT1
GND0
GND1
AGND
P12
P53
P01
P51
P52
HEATING TEMPERATURE
CORRECTION 1
HEATING TEMPERATURE
CORRECTION 2
REMOTE CONTROL
CUSTOM CODE
HA SWITCHING
SERIAL SWITCHING
CN101 B3P5-VH-B
C104
0.1
VA102
470V
CN101-1
BLACK
CN101-3
YELLOW
CN101-5
WHITE
W106W105
POWER SUPPLY PCB
EZ-00307HSE-P
CN103 B2B-XASK-1-A
B2B-XH-AM
CN104
B2P3-VH-B
CN102
POWER TRANSFORMER
EZ-030HSE-T
THERMAL FUSE
PRIMARY
SECONDARY
CN102-3 PURPLE
CN102-1 PURPLE
CN104-1 RED
CN104-2 RED
CN103-1 GRAY
CN103-2 GRAY
THERMAL FUSE
(103 )
L101
SS11V-10062
UL1015 AWG20
ORANGE
FAN CAPACITOR
7.0uF
9
2006.03.01
INDOOR PCB CIRCUIT DIAGRAM
Models : ASH12UMBD, ASH7UMBD

2006.03.01
10
14
18
6
11
8
13 4
2
3
15
14
15
14
13 4
3
2
12 5
+
-
+
+
JM6
Model : AUH12UMAB
+
72
56
57
58
59
41
42
63
+
+
IO
G
5V
R29
R31
R30
R30
5V
R59 R97 R98 R99
10 7
1
5
2
3
4
5V
5V
R93
R96 R95 R94
12
9
5
5V
5V
R22
R21
R23 R24
TEST
CN9-1
CN9-5
CN9-4
CN9-3
CN9-2
SSR1
R39 R38 R37
AUTO RESTART
NO1
NO2
NO3
YELLOW
YELLOW
JM5
CN5-3
CN5-2
CN5-6
CN5-5
CN5-1
L
M
H
CN4-2
RED
PURPLE
BLUE
WHITE
BLACK
E101 W103 W104
CN1-1
CN1-3
CN1-2
CN1
B3P5-VH-B-C BLACK
CN4 B2P3-VH-B-Y YELLOW
CN4-1
UL1015 AWG18 WHITE
UL1015 AWG18 WHITE
UL1015 AWG18 WHITE
UL1015 AWG18
BLACK
UL1015 AWG18 RED
UL1015 AWG20 WHITE
UL1015 AWG20 BLACK
UL1015 AWG20
BLUE
UL1015 AWG20
PURPLE
RED
UL1015 AWG16 GREEN
P66
P65
P127
P126
P125
P124
XT2
5V
14V
10K <1/10W> x 4
R33
R36
R35
R34
NC
10K <1/10W> x 4
C26
C29
C28
C27
0.01 <F> x 4
14V
K 1
K 3
K 4
C21
C19 C20
5V
R17
R15
R16
JM1
JM3
JM2
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
EZ-0032EHSE-C
P02
C15
0.1
<F>
C14
100/
16V
C13
0.1
<F>
I C3
7805
R8 10K
<1/10W>
C9
1000
/25V
D6
D2FL20U
PRIMARY SECONDARY
C54
0.01
<F>
1.0K <1/10W> x 4
I C5 (1/7)
uPA2003GR
CR1
0.01
<F>
R14 10K
<1/10W>
CR6
0.01
<F>
R10
10K
<1/10W>
R9 390
<1/10W>
C17
0.01
<F> Q3
DTC124EKA
10K <1/10W> x 4
14V
I C5 (4/7)
uPA2003GR
I C6 (1/7)
uPA2003GR
0.01 <F> x 4
R25 1.0K <1/10W>
R28 1.0K <1/10W>
R27 1.0K <1/10W>
R26 1.0K <1/10W>
10K <1/10W> x 4
CN9
B5P-SHF-1AA
VA2 470
<TNR>
R40 1.0K <1/10W>
R41 1.0K <1/10W>
R42 1.0K <1/10W>
10K <1/10W> x 3
SW1
DSS803
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
0.01 <F> x 3
R20 1.0K <1/10W>
R19 1.0K <1/10W>
R18 1.0K <1/10W>
10K <1/10W> x 3
T1
SWITCHING TRANSFORMER
ZFT29B01
NOT USED
CUSTOM CODE SWITCHING (R1)
CUSTOM CODE SWITCHING (R2)
D5
1SR139-600
D10
1SR139-600
C6
4700P
<ECQM>
R5 62K
<RSP2
-2W>
R4
330K
<SPRH-2W>
Q1
2SC4236 R6 100
<1/2W>
C7 0.047
<ECQB>
D2
D1FL20U
C8
100/16V
R7 330
<1/4W>
D3
MTZJ5.1B
D4
D1FL20U
R2 1.5
<RSP2-2W>
Q2
2SC1815
R3 100
<1/10W>
D1
D3SB60
C5
100/450V
R1 3.3
<RGGS-5W>
TM102
SA101
RA-362M
VA101 470V
<TNR>
LF101
VA102 470V
<TNR>
ELF17N015A
C103
0.01
<F>
C104
0.01
<F>
C106
0.022
<YE>
C105
0.022
<YE>
C101
0.22
<RE-C>
VA1 470V
<TNR>
FAN
CAPACITOR
480V 1.0uF
FH101 FH102
F101
3.15A
<BET>
TM101
POWER SOURCE
220-240V
50Hz
L
N
POWER SUPPLY PCB
EZ-002PHSE-P
I C10 H I 2002
G3MC-202P-VD DC12V
E
OUTDOOR UNIT
3
2
1
TERMINAL BOARD
M
F M
BLACK
BLACK
UL1015
AWG22
UL1015
AWG22
UL1015
AWG18
UL1015
AWG18
CN6-1
CN6-2
CN6
B2P3-VH-B-E BLUE
C3 0.22 <RE>
R88 120 <1/2W>
K4
G5NB-1A DC12V
K3
D5S-1 DC12V
K1
D5S-1
DC12V
CN5
5430C063
CN5-4
UL1015
AWG20
UL1015
AWG20
DRAIN PUMP
UL1015 AWG14 BLACK
UL1015 AWG14 WHITE
UL1015 AWG14 RED
FAN MOTOR
5V
C34
0.1
<F>
C37
0.1
<F>
R43
10K (1%)
<1/10W>
R45
49.9K (1%)
<1/10W>
R44 1.0K
<1/10W>
R46 1.0K
<1/10W>
5V
C35
1000P
<R>
C32
1000P
<R>
D0
D1
CK
CS
1
1
4
3
2
8
7
6
5
R50 10K <1/10W>
76
77
8
9
10
6
P131
P72
P71
P70
P11
P10
P15
P16
P17
74
68
75
3
2
1
7
4
67
33
71
54
55
66
65 P04
P05
P123
P122
I C
VSS1
VSS0
AVSS
AVRF1
AVRF0
VDD1
VDD0
C47
0.1
<F>
I C 1
uPD780058BGC
-078-8BT
14V
14V
Q4
DTC124EKA
5V
R48
10K
<1/10W>
C39
0.1
<F> 10K <1/10W> x 4
R100
R76R75
R58
R56
5V
R49 1.0K <1/10W>
C38
0.01
<F>
C1 0.1
<F>
R57 1.0K
<1/10W>
B Z
I C4 (7/7)
uPA2003GR
6 11
16
I C5 (1/7)
uPA2003GR
1
11
6
107
5 12
9
413
14
3
16
1
2 15
8
R53
10K
<1/10W>
14V
14V
CR7
0.01
<F>
R68
10K
<1/10W>
R67 1.0K
<1/10W>
10K <1/10W> x 3
R77
R79
R78
I C7
BR93LC46RF
VCC
NC
NC
GND
25
15
14
26
35
34
64
50
27
18
17
16
13
12
11
5P130
P20
P21
P22
P25
P26
P27
P50
P36
P03
P56
P57
P47
P23
P24
P46
FLOAT SWITCH
CN15
B3B-XARK-1-A
RED
1
2
3C45
0.1
<F>
I C8
PST600C
5V
CN15-1
CN15-3
CN15-2
UL1430 AWG22 BLACK
UL1430 AWG22 BLACK
5V
RJ2 10K
<1/10W>
5V
RJ1 1.0K <1/10W>
C49
0.01
<F>
C44
0.1
<F>
R55
10K
<1/10W>
I C6 (1/7)
uPA2003GR
116
0.01 <F> x 3
C43
C16C31
I C6 (1/7)
uPA2003GR
R81 1.0K <1/10W>
R72 1.0K <1/10W>
R71 1.0K <1/10W>
7 10
8
9
R51 1.0K <1/10W>
R54 47
<1/10W>
CR5
1000P
<R>
C40
0.01
<F>
CR2 CR3
10K <1/10W> x 3
CR4
JM11
28
29
30
31
32
62
61
78
79
80
53
24
23
22
47
73
60
3
69
70
1
2
X1 X2
RESET
XT1
P33
P43
P44
P45
P121
P14
P13
P12
P00
P01
P55
P54
P53
P52
P51
39
38
37
36
49
48
51
40
43
44
45
52
19
20
21 P42
P41
P40
P120
P3246
P31
P30
P67
P64
P37
P34
P35
P60
P61
P62
P63
I C6 (3/7)
uPA2003GR
I C5 (1/7)
uPA2003GR
C22
C25
C24
C23
X1
CSTS0500MG03-T
0.01 <F> x 3
C10 C12 C30
CN201
8P-SCN
UL1430
AWG28
BLUE
BLUE
PURPLE PURPLE
WHITE WHITE
GRAY GRAY
YELLOW YELLOW
ORANGE ORANGE
RED RED
BROWN BROWN 1
2
3
4
8
5
7
6
5V
+C42
0.01
<F>
CN13
B8B-XASK-1-A
5V
C41
10/
25V
CN13-1
CN13-2
CN13-7
CN13-5
CN13-8
CN13-4
CN13-3
CN13-6
MANUAL AUTO
SWITCH
SW201
EVQ PEE 04R
C202
10/
25V
C201
0.01
<F> PHA201
SBX1610
-22
OUT
OPERATE
TIMER
LOUVER
5V
D201 SLR-325 <RED>
D203 SLR-325 <ORG>
D202 SLR-325 <GRN>
R201 330 <1/4W>
R203 330 <1/4W>
R202 330 <1/4W>
INDICATOR PCB
EZ-097HHSE-D
BZ1
PKM13EPY-4000-TF01
I C6 (1/7)
uPA2003GR
5V
R52
10K
<1/10W>
10K <1/10W>
R80R69
R70
MLOUVER
( UP / DOWN )
UL1430
AWG28
WHITE
YELLOW
ORANGE
RED
BROWN
UL1430
AWG28
WHITE
YELLOW
ORANGE
RED
BROWN
CN10
B5B-XASK-1-A
CN10-1
CN10-4
CN10-5
CN10-3
CN10-2
CN14-1
CN14-4
CN14-3
CN14-2
5V
HA
JEM-A
CN14
B4B-XH-AM
R47 390
<1/10W>
PIPE TEMPERATURE THERMISTOR
ROOM TEMPERATURE THERMISTOR
5V
CN7
CN8 B2B-XASK-1-A
B2B-XAKK-1-A BLACK
CN7-1 GRAY
CN7-2 GRAY
CN8-1 BLACK
CN8-2 BLACK
10

C17 - C21
0.1 <F> x 5
5V
R50 - R52
10K <1/10W> x 3
R47 - R49
1.0K <1/10W> x 4
5V
C46 - C48
0.01 <F> x 3
C32 - C35
0.01 <F> x 4
R38 - R41
10K <1/10W> x 4
R30 - R33
1.0K <1/10W> x 4
14V 14V
JM4
JM5
JM6
CN13
B5P-SHF-1AA
WHITE
9
8
1
2
3
4
5
6
16
15
14
13
12
11
I C3 (6/7)
uPA2003GR
5V
I C6
S80842
NC
C26
0.1
<F>
R42
100K
<1/10W> 2
1
3
4
VDD
OUT GND
NC
JM7
X1
5.00MHz
<CSTS>
5V
R91
R92
10K <1/10W> x 2
D10
D1F60
D11
D1F60
D12
D1F60
D13
D1F60
R68 560
<1/10W>
R67 560
<1/10W>
R69 560
<1/10W>
R70 560
<1/10W>
CN13-1
CN13-2
CN13-3
CN13-4
CN13-5
TEST
FUNCTION JUMPER
CN9
B10B-XAKK-1-A
BLACK
5V
CN9-1 BROWN
CN9-2 BROWN
CN9-3 BROWN
CN9-4 BROWN
CN9-5 BLACK
CN9-6 BLACK
CN9-7 BLACK
CN9-8 BLACK
CN9-9 BLACK
CN9-10 BLACK
GREEN
YELLOW
BROWN
PINK
BLACK
THERMISTOR
OUTDOOR TEMP. R25 = 10.00 B25 / 50 = 3950K PIPE TEMP. B R0 = 16.05 B0 / 25 = 3873K
PIPE TEMP. A R0 = 16.05 B0 / 25 = 3873K DISCHARGE TEMP. B R100 = 3.43K B50 / 100 = 4012K DISCHARGE TEMP. A R100 = 3.43K B50 / 100 = 4012K
K 2
K 1
K 4
K 3
2
1 3
8 7
X1 X2
43
1
30
22
26
21
25
23
41
40
39
42
44
29
31
33
10
11
32
9
34
35
36
37
38
24
13
12
17
16
15
14
20
19
18
5
4
2
3
6
27
28
P00
P41
P11
P31
P15
P32
P16
P30
P22
P21
P20
P01
P120
P12
P10
AVSS
VSS
VDD
AVREF
REGC
P27
P26
P25
P24
P23
P60
P61
P17
P73
P33
P63
P62
P70
P71
P72
P123
P124
P40
RST*
FLMDO
P14
P13
CN10-1
CN10-4
CN10-3
CN10-2
CN10
B04B-XASK-1-A
WHITE
14V I C3 (1/7)
uPA2003GR
Q11
2SC2412K
D7
DAN217U
R34
1.0K
<1/10W>
R36
10K
<1/10W>
2
3
1
10 7
2
3
1
Q5
DTC124EKA
C50
1000P
<R>
R17
1.0K
<1/10W>
5V
5V
R10
10K
<1/10W>
Q8
DTC124EKA
C40
0.01
<F>
R80 10K
<1/10W>
1
3
2
2
3
1
2
1
3
1
2
3
5V
5V
5V
CN11
C36
0.1
<F>
R54
4.7K
<1/10W>
R53
4.7K
<1/10W>
C31
0.01
<F>
5V
Q3
DTC124EKA
R9
10K
<1/10W>
R16
1.0K
<1/10W>
C23
0.1
<F>
Q7
DTC124EKA
R78 10K
<1/10W>
C38
0.01
<F>
C49
1000P
<R>
Q4
DTC124EKA
5V
R55
4.7K
<1/10W>
2
3
1
5
418
10
14
18 4
5
10
14
1
3
2
I C 8 HU2001
I C 7 HU2001
5V
5V
5V
I C4
BR93L46RF
NC
NC
R46 R45R44
10K <1/10W>
x 3
R43 10K
<1/10W>
R28 1.0K
<1/10W>
C24
0.1
<F>
C37
0.1
<F>
CN12
C29
0.1
<F>
R29 1.0K
<1/10W>
Q13
DTC124EKA
C30
0.1
<F>
R26
10K
<1/10W>
Q9
DTC124EKA
C42
0.01
<F>
R82 10K
<1/10W>
1
2
3
7
5
4
8
6
3
2
1
VCC
DO
NC
GND
CS
SK
D I
NC
2
3
1
2
3
3
2
1
Q6
DTC124EKA
5V
Q10
DTC124EKA
1
R27
10K
<1/10W>
C44
0.01
<F>
R84 10K
<1/10W>
R23
10K
<1/10W>
R24
10K
<1/10W>
LED1
EBR3864X
<RED>
LED2
EBR3864X
<RED>
C59
0.47
<F>
C28
0.1
<F>
C27
0.1
<F>
+C9
100/
25V
C22
0.1
<F>
5V
I C 1
14V D8
1SS355
I C2
NJM7805
R8
10K
<1/10W>
C10
1000/
25V
+
D6
D2FL20U
T1
ZFT19K02
C11
0.01
<KH>
C39
0.01
<KH>
PRIMARY
SECONDARY
1
2
3
4
5 7
10 1
2
3I O
G
R5 62K
<RS - 2W>
D5
1SR139-600
C6
4700P
<ECQM>
R4
330K
<2W>
R6 100
<1/2W>
C7 0.047
<ECQB>
D2
D1FL20U
D3
D1FL20U
D4
MTZJ5.1B
C8
100/
25V
+
R7
330
<1/4W>
Q1
2SC5354
Q2
2SC1815
R3
100
<1/10W>
R2
1.5
<RS - 2W>
+
C5
100/
450V
D1
D3SB60
R1
3.3
<5W>
4
2
3
12
3
1
1
2
3
UL3271 AWG14 BLUE
UL3271 AWG14
COMP. CAPACITOR B
35uF / 400V
COMPRESSOR B
UL3271 AWG14 UL1430 AWG22 YELLOW
UL1430 AWG22 YELLOW
RELAY B
DF12D1-F ( M ) DC12V
RELAY A
DF12D1-F ( M ) DC12V
UL1430 AWG22 BLACK
UL1430 AWG22 BLACK
UL3271 AWG14
COMPRESSOR A
COMP. CAPACITOR A
35uF / 400V UL3271 AWG14
UL3271 AWG14 WHITE
UL1015 AWG14 WHITE UL1015 AWG14 BLACK UL1015 AWG14 BLACK
UL1015 AWG14 WHITE
UL1015 AWG20 PINK
UL1015 AWG20 RED
BLACK
BLACK
BLACK
BLACK
W1
W2
CN5
179844-2
RED
CN4
179844-1
WHITE
CN5-1
CN5-2
CN4-2
CN4-1
CN3
B4P7-VH-B
WHITE
CN3-1
CN3-4
CN3-3
CN3-2
RED
BLUE
WHITE
BLACK
UL1015 AWG20 RED
UL1015 AWG20 BLUE
UL1015 AWG20 WHITE
UL1015 AWG20 BLACK
UL1015 AWG20
YELLOW
UL1015 AWG20
YELLOW
CN2-1
CN2-3
W4
E1
CN1-1
CN1-2
W3
FH1 FH2
F1
6.3A - 250V
<BET>
LF1
ELF15N005A
C3
0.022
<R41>
C4
0.022
<R41>
CN2
B2P3-VH-B-Y
YELLOW
4 3
12
CN1
B2P3-VH-B-C
BLACK
UL1015 AWG16
GREEN
L
N
F. M.
FAN MOTOR
FAN MOTOR CAPACITOR
3.5uF / 450V
4-WAY VALVE A
4-WAY VALVE B
4WV
4WV
VA3 470V
<ERZV>
VA4 470V
<ERZV>
K4
FTR-F3A
K3
FTR-F3A
C13 0.22 <LE>
R57 120
<RS - 1/2W>
C14 0.22 <LE>
R58 120
<RS - 1/2W>
C12 0.22 <LE>
R56 120
<RS - 1/2W>
K1
FTR-F3A
K2
G5SB-14
DC12V
C. M.
C. M.
E
1
2
3
1
2
3
L
N
TERMINAL
UNIT A
UNIT B
POWER
220 / 240V
50Hz
UL1015
AWG20
WHITE
UL1015
AWG20
BLACK
UL1015 AWG20 BLACK
UL1015 AWG20 BLACK
UL1015 AWG20 WHITE UL1015 AWG20 WHITE
C51 - C55
1000P <R> x 5
R11 - R15
1.0K <1/10W> x 5
R19 6.65K <1/10W> (1%)
R20 6.65K <1/10W> (1%)
R21 14.0K <1/10W> (1%)
R18 38.3K <1/10W> (1%)
YELLOW
RED
BLACK
RED
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K05DT-0500HUE-C1
Model : AOH20USBV2
OUTDOOR PCB CIRCUIT DIAGRAM
UPD78F0513GB(R)-
011-UES-A
2006.04.27 11

INDOOR UNIT (Wall Mounted type)
: Fast flashing : Slow flashing
When an error occurs, "Large division indication" is indicated first.
Secondly, "Small division indication" is indicated by pushing "Test" button of remote controller.
Operation lamp : Red lamp
Timer lamp : Green lamp
Error contents Error contents
thermistor error Red lamp (2 times) thermistor error (room temp.)
----- ----- -----
----- ----- -----
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
(2 times)
thermistor error (heat exchanger)
(4 times) MANUAL AUTO button error
(indoor unit ) Green lamp (2 times)
power source Hz decision error
(4 times)
serial error Red lamp (5 times) serial reverse transmission error
Green lamp (2 times)
serial order transmission error
(3 times)
fan motor error Red lamp (6 times) lock error
(indoor unit)
thermistor error
(outdoor unit)
Green lamp
Red lamp
Green lamp
(2 times)
r.p.m error
(3 times)
(2 times)
LED indication LED indication
Small division indicationLarge division indication
ERROR CONTENTS
(3 times)
control unit error
(indoor unit )
(indoor unit )
circuit board error
Red lamp
INDOOR UNIT (CASSETTE TYPE)
: Fast flashing : Slow flashing
OPERATION lamp TIMER lamp
Error display
Error contents
SWING lamp
Goes off
Goes off
Goes off
Goes off
Goes off
Goes off
4 times
2 times
3 times
5 times
6 times
Model information abnormal (permanent type)
Drain abnormal (permanent type)
Room air temperature thermistor open circuit
Room air temperature thermistor short circuit
Indoor fan abnormal
Piping thermistor open circuit
Piping thermistor short circuit
Indoor unit - outdoor unit miswiring
122006.01.24

132006.01.20
When the fault is cleared, the LED lamp goes off.
When a malfunction occurs in the outdoor unit, the LEDs on the circuit
board light to indicate the error. Refer to the following table for the descrip-
tion of each error according to the LEDs.
Quick flash continued Quick flash continued
Model abnormal or EEPROM
abnormal
0.1 sec.
OFF
ON
0.1 sec.
OFF
ON
2 quick flash repeated
Dislighting continued UNIT A
Discharge temperature sensor error
3 quick flash repeated
Dislighting continued UNIT A
Outdoor heat exchanger temperature
sensor error
0.5 sec.
2 sec.
OFF
ON
0.5 sec.
2 sec.
OFF
ON
4 quick flash repeated Dislighting continued Outdoor temperature sensor error
5 quick flash repeated Dislighting continued UNIT A
Communication signal error
6 quick flash repeated Dislighting continued UNIT A
Indoor unit error
7 quick flash repeated Dislighting continued UNIT A
Discharge temperature abnormal
UNIT B
Discharge temperature sensor error
UNIT B
Outdoor heat exchanger tempera-
ture sensor error
Dislighting continued 5 quick flash repeated UNIT B
Communication signal error
Dislighting continued 6 quick flash repeated UNIT B
Indoor unit error
2 quick flash repeated
3 quick flash repeated
0.5 sec.
2 sec.
OFF
ON
0.5 sec.
2 sec.
OFF
ON
Dislighting continued
Dislighting continued
Dislighting continued 7 quick flash repeated UNIT B
Discharge temperature abnormal
OUTDOOR UNIT
Error display Error contents
LED 1 LED 2

DISASSEMBLY ILLUSTRATION
142006.03.01
Air cleaning filter Model : UTR-FA04-1 (ELECTRIC FILTER)
Air cleaning filter Model : UTR-FA04-2 (ION DEODORANT FILTER)
63
777
74
74
850
240
759-1
Models :
ASH12UMBD
ASH7UMBD

152006.03.01
401
108
146
764
169
122
523
283
164
109
876
127
184
196
158
233
151
236
815
875
874
281
65
440
522-1
767-1
652-1
323
69
323
872
873
385
962-1
962-2
Model : ASH12UMBD

Model : ASH7UMBD
162006.03.01
401
108
146
28
764
169
122
523
283
164
109
876
127
184
196
158
233
151
236
815
875
874
281
65
440
522-1
767-1
652-1
323
69
323
872
873
34
687
385
962-1
962-2

146
240 468
457
399
474
235
411
470
965
196
836
835
798
127
484
834
313
287
465
244
467
462
464
484
495
67
338
187
395
146
411
138
990
411
164
797
478
465
475
160
488 301
234
430
469
743
184-1
652-1
476-3
Model : AUH12UMAB
172006.03.01

Model : AUH12UMAB
182006.03.01

690
691
694
165
226
417 416 416
417
196
692
692 690
690
700
705
392
691
392
692
690
691
777
776
93
710
776
758
705
763
385
876-2
711-1
711-2
Model : UTG-UDGD-W
192006.03.01