Fujitsu ASU9R1A User manual

SPLIT TYPE ROOM AIR
CONDITIONER
WALL MOUNTED type
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . 6
P.C. BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Models Indoor unit Outdoor unit
ASU9R1A AOU9R1
ASU12R1A AOU12R1

– 1 –
SPECIFICATIONS
INDOOR UNIT ASU9R1A ASU12R1A
OUTDOOR UNIT AOU9R1 AOU12R1
COOLING CAPACITY (BTU/hr) 9,400 11,800
HEATING CAPACITY 10,800 14,000
POWER SOURCE (V) 115 115
FREQUENCY (Hz) 60 60
RUNNING CURRENT (A) COOLING 9.4 11.3
HEATING 8.6 10.9
INPUT WATTS (W) COOLING 1,020 1,270
HEATING 910 1,230
SEER 10.5 10.5
MOISTURE REMOVAL Pts/hr (R/hr) 2.1 (1.0) 3.2 (1.5)
AIR CIRCULATION-Hi (m3/hr) 510 530
ELECTRICAL DATA
COMPRESSOR
FAN MOTOR
DIMENSIONS
TYPE Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor
CODE 806-005-42 806-955-42
115V 60Hz 115V 60Hz
REFRIGERANT R-22 (lbs.) 2.12 2.64
POWER SOURCE (V) 115 115
H I COOL/HEAT (r.p.m.) 1,320 ± 20 / 1,300 ± 20 1,350 ± 20 / 1,450 ± 20
INDOOR UNIT MED
COOL/HEAT (r.p.m.) 1,210 ± 20 / 1,200 ± 20 1,250 ± 20 / 1,260 ± 20
LO COOL/HEAT (r.p.m.) 1,100 ± 20 / 1,080 ± 20 1,150 ± 20 / 1,080 ± 20
QUIET COOL/HEAT (r.p.m.) 1,000 ± 20 / 960 ± 20 1,050 ± 20 / 960 ± 20
OUTDOOR UNIT (r.p.m.) ,835 ± 30 ,800 ± 30
INDOOR UNIT H x W x D inch (mm) 11 (280) x 32-1/8 (815) x 7 (179)
OUTDOOR UNIT 20-7/8 (530) x 30-1/2 (750) x 9-7/8 (250)
WEIGHT
INDOOR UNIT GROSS / NET lbs.(kg) 26 / 22 (12 / 10) 26 / 22 (12 / 10)
OUTDOOR UNIT 68 / 64 (31 / 29) 81 / 77 (37 / 35)

Models : ASU9R1A / AOU9R1
ASU12R1A / AOU12R1
32-1/8” (815) 7 (179)
11 (280)
– 2 –
OUTLINE AND DIMENSIONS
INDOOR UNIT
Unit : inch (mm)
OUTDOOR UNIT
30-1/2” (750)
19-13/32” (493)
20-7/8” (530)
33/64” (13)
9-7/8” (250)
11-7/32” (285)
(Bolt pitch for installation)

– 3 –
REFRIGERANT SYSTEM DIAGRAM
3-Way valve
(with charging port)
4-Way
valve
Condenser
Capillary tube
for heating and cooling
Heating
Cooling
2-Way valve
Check
valve
Capillary tube for heating
(Flare connection)
Gas pipe (12.7 dia.)
(Flare connection)
(Flare connection)
Liquid pipe (6.35 dia.)
(Flare connection)
[ INDOOR UNIT ]
[ OUTDOOR UNIT ]
[ Connecting pipe ]
Evaporator
Com-
pressor
3-Way valve
(with charging port)
Muffler
4-Way
valve
Condenser
Strainer
Strainer
Capillary tube
for heating and cooling
2-Way valve
Check
valve
Capillary tube for heating
(Flare connection)
Gas pipe (9.52 dia.)
(Flare connection)
(Flare connection)
Liquid pipe (6.35 dia.)
(Flare connection)
[ INDOOR UNIT ]
[ OUTDOOR UNIT ]
[ Connecting pipe ]
Evaporator
Com-
pressor
Models : ASU9R1A / AOU9R1
Models : ASU12R1A / AOU12R1

– 4 –
CIRCUIT DIAGRAM
Models : ASU9R1A / AOU9R1
12 12
12
22
11
345
12345
123456789
6789
3
2
1
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
PURPLE
BLUE
GREEN
YELLOW
ORANGE
RED
WHITE BLACK RED
BLACK
GREEN
RED
RED
BLACK BROWN BLUE
BLUE
BLUE
1
1
2
3
4
5
6
7
2345
WHITE
RED WHITE
ORANGE
ORANGE
WHITE RED WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE
BROWN
1
2
1
2
M
FM
STEP MOTOR
CONTROL BOARD
POWER
SUPPLY
BOARD
POWER
SOURCE
POWER
RELAY
THERMISTOR
(ROOM TEMP.)
(LOUVER U)
LOUVER Z
DIFFUSER
TEST
BROWN
RED
ORANGE
YELLOW
GREEN
BLACK
BLACK
BLACK
WHITE GRAY PURPLE BLUE
GREEN/
YELLOW
GREEN/
YELLOW
1
2
3
4
5
6
7
8
9
10
1
12345
12345
2
3
4
5
6
7
8
9
10
M
54321
54321
()
THERMISTOR
(PIPE TEMP.)
PRINTED CIRCUIT
BOARD (DISPLAY)
FAN MOTOR
CAPACITOR
TERMINAL THERMAL
PROTECTOR
GRAY
GRAY
INDOOR UNIT
OUTDOOR UNIT
BLACK
WHITE
BLACK
BLACK
WHITE
BLACK
BLACK
RED
ORANGE
WHITE
WHITE
WHITE
RED
CM
FM
COMPRESSOR
FUSE
P.T.C. STARTER
FAN MOTOR
4-WAY VALVE COIL
FAN MOTOR CAPACITOR
OVERLOAD RELAY
COMPRESSOR CAPACITOR
R
C
S
34
G
G
SV
CN1
CN7
CN101 CN103
W104W103W102W101
CN104
CN6 CN5CN4
12345
CN3
CN2
CN102
(N)

– 5 –
Models : ASU12R1A / AOU12R1
12 12
12
22
11
345
12345
123456789
6789
3
2
1
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
PURPLE
BLUE
GREEN
YELLOW
ORANGE
RED
WHITE BLACK RED
BLACK
GREEN
RED
RED
BLACK BROWN BLUE
BLUE
BLUE
1
1
2
3
4
5
6
7
2345
WHITE
RED WHITE
ORANGE
ORANGE
WHITE RED WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE
BROWN
1
2
1
2
M
FM
STEP MOTOR
CONTROL BOARD
POWER
SUPPLY
BOARD
POWER
SOURCE
POWER
RELAY
THERMISTOR
(ROOM TEMP.)
(LOUVER U)
LOUVER Z
DIFFUSER
TEST
BROWN
RED
ORANGE
YELLOW
GREEN
BLACK
BLACK
BLACK
WHITE GRAY PURPLE BLUE
GREEN/
YELLOW
GREEN/
YELLOW
1
2
3
4
5
6
7
8
9
10
1
12345
12345
2
3
4
5
6
7
8
9
10
M
54321
54321
()
THERMISTOR
(PIPE TEMP.)
PRINTED CIRCUIT
BOARD (DISPLAY)
FAN MOTOR
CAPACITOR
TERMINAL THERMAL
PROTECTOR
GRAY
GRAY
INDOOR UNIT
OUTDOOR UNIT
BLACK
BLACK
BLACK
BLACK
BLACK
RED
ORANGE
WHITE
WHITE
WHITE
RED
CM
FM
COMPRESSOR
FUSE
FAN MOTOR
4-WAY VALVE COIL
FAN MOTOR CAPACITOR
OVERLOAD RELAY
COMPRESSOR CAPACITOR
R
C
S
34
G
G
SV
CN1
CN7
CN101 CN103
W104W103W102W101
CN104
CN6 CN5CN4
12345
CN3
CN2
CN102
(N)

– 6 –
INDOOR PRINTED CIRCUIT BOARD
CIRCUIT DIAGRAM
Models : ASU9R1A
ASU12R1A
14 I NT0
32 P20
30 P22
29
31
P23
P21
28 P24
6AN3
20
21
16
17
18
15
MOD0
MOD1
P62
P63
P64
I NT1
50
51
52
53
54
55
57
58
44
P30
P31
P32
P33
P34
12V
A
D105
D1F60
C110
0.01
<F>
PC101
TLP621
<GB>
+C108
0.1 <F>
C107
47/
16V
R104
56K <1W>
IC105
MIP0222
+
C105
150/
315V
R101
2.2
<5W>
F102
1.0 A
D102
1NH42
C106
0.01
R103
22
<1/4W>
D103
D1FL20
DR CT
SO 2
31
R102
100K
<2W>
D101
D3SB60
12V
12V
VA103
220V
SSR102
G3MB-202P-UTU
+-
K102
G5N
CR101
RE1202
C102
0.1
C104
0.01
<F>
C103
0.01
<F>
L101
ELF15N
011A
SA101
3.6KV
C101
0.1
VA101
220V F101
3.15A
-125V
K101
G4A-1A-PS
5V
13
24
49 VSS
VSS
AVSS
12
11
56 VCC
AVCC
AVR
19 RESET
P47 2
P26 26
P27 25
P25 27
P17 33
P16 34
35
36
P15
P14
37
38
39
40
P13
P12
P11
P10
63
BZ
P35
P36
P37
P04X1 X0
23 22
P40
P41
P42
P43
P57
59
60
61
62
P45
P46
AN2
P54
P55
P56
64
1
5
7
8
9
10
4
3
AN1
AN0
P05
P06
P07
43
42
41
P03
P02
P01
P00
45
46
47
48
C9
0.1
<F>
C11
0.1
<F>
+
+
R18
1.0K
<1/10W>
R17
1.0K
<1/10W>
C29
10/25V
C30
10/25V
5V
C10
0.1 <F>
C12
0.1 <F>
R7
10K
<1/10W>
(1%)
R21
49.9K
<1/10W>
(1%) CN4
2P-SCN
CN4-1 GRAY
CN4-2 GRAY
CN5-2 BLACK
CN5-1 BLACK
1
2
CN5
2P-SAN
CN3 B5P-SHF-1AA
CN3-1
CN3-2
CN3-3
CN3-5
CN3-4
CN6-1 BROWN
CN6-3 ORANGE
CN6-5 GREEN
CN6-6 BLUE
CN6-7 PURPLE
CN6-2 RED
CN6-4 YELLOW
44
5
5
66
7
7
33
22
11
12V
+
5V CN6 7P-SAN C201
0.1 <F> 5V
C202
10/25V
+SBX1810-22
GND
DATA
VCC (+5V)
X201
INDICATOR PCB
EZ-09903HSE-D
OPERATE
TIMER
SWING
RED
GREEN
ORANGE
D201 SLR-325 <VC>
D203 SLR-325 <DC>
D202 SLR-325 <MC>
CN201 7P-SAN
ZHR-5
ZHR-5
M
M
LOUVER Z
(DIFFUSER)
LOUVER U
12V CN2 53324-1010
CN2-1 BROWN
CN2-4 YELLOW
CN2-3 ORANGE
CN2-2 RED
CN2-5 GREEN
CN2-8 GRAY
CN2-6 BLUE
CN2-7 PURPLE
CN2-9 WHITE
CN2-10 BLACK
12V
12V IC6-4
IC6-2
IC6-3
IC6-5
IC6-6
IC6-1
IC6-7
IC5-1
1
6
4
2
7
5
11
913
16
10
12
14
3
15
116
8
3
1
2
5V
R27
10K <1/10W>
Q2
DTC124EK
R15 10K
<1/10W>
BZ1
B Z
6
1
7
11
2
3
10
Q3
DTC124EK
IC5-6
IC5-7 R22 750 <1/4W>
R24 560 <1/4W>
R23 560 <1/4W>
C31
10/25V C19
0.1
<F>
5V
R14
10K <1/10W>
C27
1000P
<R>
R26
47
<1/10W>
C13-C16
0.1 <F> x 4
5V
R8-R11
10K <1/10W> x 4
C23-C26
1000P <R> x 4
C8
0.1
<F>
5V
5V
IC4
S-93C46ADFJ
CS
SK
D1
NC
D0
VCC
NC
GND
1
2
3
65
7
4
8
R6
10K
<1/10W>
IC 1
MB89625R-1017
5V
C2
0.1
<F>
5V D1
DAN202K
R1
10K
<1/10W>
C1
0.1
<F>
IC2
PST600C
1
2
3
IO
G
IC3
7805
+
IO
G
1
2
3
C35
0.1
<F>
C28
10/
25V
++
C32
100
/16V
C4
0.1
<F>
D2
D1F60
C33
330/25V
6
9
1
2
3
5V
12V
R19
1.0K
<1/10W>
D3
D1F60
R3
10K
<1/10W>
C20
0.01
<F>
C21
0.01
<F>
4
5
7
15
13
12
14
8
3
5
4
2
2
1
3
Q1
DTC124EK C22
0.01
<F>
R2
10K
<1/10W>
R25
1.0K
<1/10W>
IC5-5
IC5-2
IC5-4
IC5-3
C5
0.1
<F>
R4
10K <1/10W>
R16 1.0K
<1/10W>
5V
5V
R20 1.0K
<1/10W>
R5
10K <1/10W>
C6
0.1
<F>
5V
C7
0.1
<F>
R39-R31
10K <1/10W> x 9
CN7
CN1
B3P-VH-B
B09B-PASK-1
F M
CN104 AT-001-9
CN1-1 RED
CN1-3 BLACK
CN1-2 WHITE
CN101-5 RED
CN101-1 WHITE
CN101-3 BLACK
CN101 B3P5-VH-B
CN102
53406-9910
CN102-1 ORANGE
CN102-2 ORANGE
FAN CAPACITOR
5.7 uF
CN103 B2P3-VH-B-R
CN103-1
CN103-3
WHITE
WHITE
MOTOR THERMAL FUSE
102
GREEN
E
W104 GREEN
W103 BLUE
W101 BLACK
W102 RED
WHITE
BROWN
(BLUE) (RED) (BLACK)
FAN 4WV COMP
54321POWER SOURCE
115 V AC
60 Hz
POWER SUPPLY PCB
EZ-09903HSE-P (GM-60165)
12V
+
T101
ETS28AS121AG
3
18
7
9
6
4
D104
D2FL20U
C109
330/
25V
5
1
2
CN7-6CN104-6 WHITE
CN7-3
CN7-2
CN7-1
CN7-9
CN104-9 WHITE
CN104-2 WHITE
CN104-1 RED
CN104-3 WHITE
CN7-5
CN7-4CN104-4 WHITE
CN104-5 WHITE
CN7-7
CN104-7 WHITE
CN104-8 WHITE CN7-8
8
7
5
4
3
SW101
SSR101
G3MC-201PL-VD
VA102
220V
+-
K101
K102
X1
8.38 MHz
MODEL CHANGING CODE
AUTO CHANGE OVER
HEATINGTEMPERATURE
CORRECTION
AUTO RESTART
REMOTE CONTROL
CUSTOM CODE
RESERVE
JM1
JM2
JM3
JM4
JM5
JM6
JM7
JM8
JM9
TEST
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
JM1
JM2
JM3
JM4
JM5
JM6
JM7
JM8
JM9
CONTROLLER PCB ASSEMBLY
ASU9R1A : EZ-09903HSE-C (GM-60189)
ASU12R1A : EZ-09908HSE-C (GM-60190)
ASU12R1A ASU9R1A

– 7 –
P.C. BOARD LAYOUTS
CONTROLLER PCB ASSEMBLY (MAIN PCB)
(Viewed from the solder side)
INDICATOR PCB ASSEMBLY
(Viewed from the solder side) POWER SUPPLY PCB ASSEMBLY
(Viewed from the solder side)

– 8 –
CONTROLLER PCB ASSEMBLY (MAIN PCB)
(Viewed from the component side)
INDICATOR PCB ASSEMBLY
(Viewed from the component side) POWER SUPPLY PCB ASSEMBLY
(Viewed from the component side)

– 9 –
DISASSEMBLY ILLUSTRATION
Models : ASU9R1A
ASU12R1A
63
240
74
759
777