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