Fujitsu ASY9LSBCW User manual

SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED type
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . .
5INDOOR PCB CIRCUIT DIAGRAM . . . . . . . . . . . . .
6OUTDOOR PCB CIRCUIT DIAGRAM . . . . . . . . . . .
7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . 9
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
14 STANDARD ACCESSORIES . . . . . . . . . . . . . . . . . .
Models
Indoor unit Outdoor unit
ASY9LSBCW AOY9LFBC
ASY12LSBCW AOY12LFBC

2005.01.24 1
INDOOR UNIT
H x W x D (mm)
H x W x D (mm)
275 x 790 x 215
OUTDOOR UNIT 540 x 790 x 290
DIMENSIONS
INDOOR UNIT
GROSS / NET (kg)
GROSS / NET (kg)
12 / 9
OUTDOOR UNIT 42 / 3839 / 35
WEIGHT
SPECIFICATIONS
TYPE COOL & HEAT INVERTER
INDOOR UNIT
ASY12LSBCW
OUTDOOR UNIT
AOY12LFBC
ASY9LSBCW
AOY9LFBC
COOLING CAPACITY (kW) 3.50
HEATING CAPACITY (kW) 4.80
POWER SOURCE (V) 230
FREQUENCY (Hz) 50
RUNNING CURRENT COOLING 4.3
(A) HEATING 5.6
INPUT WATTS (kW)
COOLING 0.92
HEATING 1.23
E.E.R. COOLING 3.80
COP HEATING 3.90
MOISTURE REMOVAL 1.8
AIR CIRCULATION-Hi (m /hr)
3C 635 H 670C 595 H 645
2.60
3.60
3.0
3.8
0.62
0.82
4.19
4.39
1.3
FAN MOTOR
TYPE Hermetic type, 4 pole, 3 phase,
DC inverter motor, Rotary
DISCRIMINATION DA 89 X 1F - 20F
REFRIGERANT R410A (g) 1,050950
POWER SOURCE (V) 230
HI-SPEED (r.p.m.) C 1,300 H 1,390
INDOOR
UNIT
MED-SPEED (r.p.m.) C 1,120 H 1,200
LO-SPEED (r.p.m.) C 950 H 1,000
QUIET (r.p.m.) C 700 H 760
C 1,370 H 1,440
C 1,150 H 1,200
C 950 H 1,000
C 700 H 760
OUTDOOR UNIT (r.p.m.) C 830 H 830C 840 H 840
ELECTRICAL DATA
COMPRESSOR
( /hr)
INDOOR UNIT (dB) C 43 H 43
OUTDOOR UNIT (dB) C 47 H 49
C 42 H 42
C 47 H 48
NOISE LEVEL
REFRIGERANT (R410A)
Pipe Length 15 m 950 g 1,050 g
FULL CHARGE AMOUNT 20 m 1,050 g 1,150 g
ADDITIONAL REFRIGERANT 20 g / m
(kW/kW)
(kW/kW)

DIMENSIONS
ASY12LSBCW / AOY12LFBC
Models : ASY9LSBCW / AOY9LFBC (unit : mm)
275
2,000
215
790
2005.01.24 2

REFRIGERANT SYSTEM DIAGRAM
2-Way
valve
Strainer
Strainer
3-Way
valve
Muffler
Muffler
4-Way valve
Expansion valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
AOY9LFBC
(2Pass)
AOY12LFBC
(4Pass)
Compressor
Cooling
Heating
ASY12LSBCW / AOY12LFBC
Models : ASY9LSBCW / AOY9LFBC
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)
2005.03.16 3

CIRCUIT DIAGRAM
INDOOR UNIT
OUTDOOR UNIT
ASY12LSBCW / AOY12LFBC
Models : ASY9LSBCW / AOY9LFBC
2005.01.24 4
Fan Motor
Stepping
Motor
Thermistor
(room temp.)
Terminal
Terminal
Fuse 250V20A
Reactor Reactor
Fan Motor
Expansion
Valve
4-Way
Valve Assy
PCB (MAIN)
Power
Relay
Compressor
Thermistor
(pipe temp.)
Test
Thermistor (pipe)
Thermistor (Discharge Pipe)
Thermistor (outdoor temp.)
Display Board
Controller PCB
Power
102 C
Thermal Fuse
1
2
3
4
5
6
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
3
1
2
3
4
1
2
3
4
1
2
3
4
5
6
1 2 3 4 5
1 2 3 4 5 1 2 1 2 1 2 3 4 5
1 2 3 4 5
6 7
1 2 3 4 5 6 1 2 3 4 5 6
1 2
2 1
2 1
3 4 5 6
7
8 9
10 11
1 2 3 4 5 6 7 8 9
10 11

5V
5V
12V
5V
R45
10K
<1/8W>
I C13-6
SW1
I C11
S80842
R42
100K
<1/8W>
JP1
5V
JM19
JP3
C27
0.01
<B>
+
C26
100/
16V
5V
R30 330 <1/8W>
R29 330 <1/8W>
R28 330 <1/8W>
R27 330 <1/8W>
R36
10K
<1/8W>
R37 47
<1/8W> 12V
12V
C25
1000P
<R> CN6
53325-0510
I C13-2
I C13-5
I C13-4
I C13-3
5V
R56
10K
<1/8W>
5V
5V
I C13-1 116
VCC
CS
SK
D I
NC
DO
TEST
GND
1
2
3
7
6
5
4
8
32
33
X1 X2
40
41
42
43
29
30
13
11
48
49
50
51
35
1
2
3
4
5
6
7
8
12
47
28
31
24
25
20
10
18
17
26
27
9
21
34
52
19
36
46
45
44
14
38
15
16
23
22
39
37
P23
P24
VDD0
VDD1
AVREF
AVDD
GND0
AGND
GND1
P47
P25
P01
I NTP1
P41
P40
P75
BUZ
P20
P03
P21
P22
P12
AN I 2
P13
AN I 3
P70
P02
I NTP2
P10
AN I 0
P11
AN I 1
I C
RESET
P42
P35
P57
P56
P55
P54
P53
P52
P51
P50
P00
I NTP0
P46
P45
P44
P43
P34
P36
XT1
XT2
P74
P73
P72
P71
5V
R55 1.0K <1/8W>
R44
10K
<1/8W>
C36
0.1
<F>
I C12
S-93C46ADFJ
CN6-1 RED
CN6-2 ORANGE
CN6-3 YELLOW
CN6-4 PINK
CN6-5 BLUE
MLOUVER
+
VCC
OUT
GND
11
6
9
215
4 13
8
12
143
5
X1
8.38MHz
CN3
S07B-ZR-3.4
K 1
C35
0.1
<F>
R46 1.0K
<1/8W>
R41
49.9K
<1/8W>
(1%)
C31
0.1
<F>
R40 1.0K
<1/8W>
NC
GND
VDD
OUT
1
2 3
4
R39
10K
<1/8W>
(1%)
R38 1.0K
<1/8W>
C28
0.1
<F>
5V
5V
R53,R54
10K <1/8W>
C19
0.1
<F>
+
C18
10/
25V
C17
330/
25V
+
C16
0.1
<F>
5V
R13
10K
<1/8W>
R14 1.0K
<1/8W>
C22
C20
0.01
<B>
C21
0.01
<B>
R15 1.0K <1/8W>
Q1
DTC124EUA
I C13-7 10 7
4
32
1
1
23
4
4
32
1
3
2
1
OI
G
IO
G
+
+
C
AREF
R7
1.0K
<1/8W>
R9
34K
<1/8W>
(1%)
R10
8.25K
<1/8W>
(1%)
I C6
7805
12V
D5
D1F60
C15
330/
25V
C14
0.01
<B>
R8 47K
<1/8W>
5V
CN201
JB20-11HG
CN201-11
CN201-2
CN201-3
CN201-4
CN201-5
CN201-6
CN201-7
CN201-8
CN201-9
CN201-10
CN201-1
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
5V
5V
I C201
GP 1UM261RK
R201
47
<1/4W>
C202
47/10V
D208 SLR-325 <ORG>
D205 SLR-325 <GRN>
D204 SLR-325 <GRN>
D201 SLR-325 <RED>
C201
0.1 <F>
INDICATOR PCB
K02CB-0300HSD-D0
CN5 2P-SCN
CN4 2P-SAN ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
CN4-1 BLACK
CN4-2 BLACK
CN5-2 GRAY
CN5-1 GRAY
uPD780024ASGB-X52-8ET-A
I C 1
C23
1000P
<R>
Q4
DTC124EUA
5V
R21
10K
<1/8W>
R20 1.0K
<1/8W>
R24 330
<1/8W>
5V
15V I C9
PS2561-1
<L>
I C10
PS2561-1
<L>
15V
15V
R25 1.0K
<1/4W>
(1%)
R26 820
<1/4W>
(1%)
+
R22
4.7K
<1/8W>
AA
15V
A
VM
C24
100/
16V
R23 6.8K <1/4W>
CN2
53426-9920
CUSTOM CODE SWITCHING
AUTO RESTART
JM1
JM2
5V
R49 - R52, R47,R48
10K <1/8W> x 6
12V R43 10K
<1/8W>
BZ
PKM13EPY-4000-TF01
B Z
CN7
BS5P-SHF-1AA
TEST
CN7-1
CN7-5
CN7-4
CN7-3
CN7-2
TIMER SHORT
CLOCK
DATA-OUT
DATA-I N
Q2
DTC124EUA
5V
1
4
5
2
3
10
18
14
W3
EGREEN
UL1015
AWG22
GREEN
L1
1.3A
9.0mH
R2 2.2
<5W>
R1 2.2
<5W>
R12
1.0K
<1/2W>
A
I C7
H I 2002 ( or GK30431 )
C3
0.01
<F> C2
0.01
<F>
C1 0.1 <F> +C4
100/
420V
R60 330K
<1/2W>
VA1
470V
W2 W1
K1
D I 12D1
D1
GS I B460L
F2
2.5A - 250V
F1
3.15A
- 250V
VM
C5
0.01
D2 1NH42
R5
2M
<1/4W>
R3 100K
<2W>
15V
I C2
TNY266P
C6
0.1
<F>
I C4
78M15 JP7
C10
0.1
<F>
+
C7
100/35V
+
R4 18K
<1/8W>
C11 0.01 <F>
D3
D1FL20U
20V
13.5V
C12
330/
25V
D4
D2FL20U
610
4
2
17
5
4
1
5
8
7
32
S
S
SSS
D
BP
EN / UV
I C3
PS2561-1
<L>
C9
330/
25V
I C5
TL431 I LP
CN1
T1
ETS19AB1P8AG
GRAY
GRAY
BLACK
BROWN
WHITE
RED
GREEN / YELLOW
E
TERMINAL BOARD
BLUE
N
L
3
POWER SOURCE
230V
50Hz
FAN MOTOR F M
RED
BLACK
WHITE
YELLOW
BLUE
CN2-6
CN2-1
CN2-2
CN2-3
CN2-4
THERMAL FUSE
102
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
ASY9LSBCW : K02DR-0410HSE-C1
ASY12LSBCW : K02DR-0411HSE-C1
2005.08.02 5
Models : ASY9LSBCW
ASY12LSBCW
Jumper wire configurations
Switch Function ON/Linked OFF/Open
JM1 Custom code A B
JM2 Auto restart enable disable
INDOOR PCB CIRCUIT DIAGRAM

F100
15A - 250V <ATLCR>
D102
1NH42
R103
100
<1/2W>
F101
15A - 250V <ATLCR>
CR30
RE1201
CN30
B2P3-VH-B-C
BLACK
BLACK
BLACK
JM32
JM31
3
1 2
4
K30
G5NB-1A
CR80
RE1202
C80
1.8
<DS401185>
1
2
3
BLACK
ORANGE
WHITE
CN10
BH3P5-VH-B
WHITE
F M
FAN MOTOR
12V
5V
C40
0.1
<F>
R40
R41
R42
R43
1.5K x 4
EPV3/44P
EPV1/45P
EPV2/42P
EPV4/43P
12V
5V
L70
BL02Rn1
I C40
TD62064
2
7
9
16
4
5
12
13
3
6
11
14
1
8
10
15
O1
O2
O3
O4
GND1
COM1
COM2
GND4
GND3
GND2
NC1
NC2
I 1
I 2
I 3
I 4
JM30
12V
2
4
3
1
K3
G5N-1A
REACTOR
12A 18mH
D100
D15XB60
BB
W10 W11
WHITE
RED
AWG14 AWG14
1
4
2
3
+
-
D101
D15XB60
-
+1
4
2
3
B
B
ORANGE UL1015 AWG14
W6
W5
15V
R1
ZPR0RCH400
K1
DW12D-0
12V PR / I C80-5
R400 - R405
0.15 <2W> (1%) x 6
I C103-4
uPC324
14
12
13
+
-
-12V
D105
DAN217U
3
2
1
V4-AC / I C80-3
5V
R504
10K
I C500
MB90460
VCC 56
11
25
26
40
36
37
38
39
12
45
46
50
51
52
53
54
55
14
15
18
20
64
63
62
61
1
19
48
13
24
4923
22
4
6
5
7
8
9
10
44
43
42
41
57
33
32
31
30
29
28
27
47
34
21
60
58
59
3
35
2
16
17
AVCC
P00
P01
P17
P13
P14
P15
P16
AVR
P24
P25
P30
P31
P32
P33
P34
P35
P60
P61
MD0
MD1
P44
P43
P42
P41
P45
RSTX
P27
AGND
GND
GND
P63
P62
P46
P12
P50
P37
P36
P40
MD2
P11
P26
P02
P03
P04
P05
P06
P07
P10
C
P20
P21
P22
P23
P57
P56
P55
P54
P52
P53
P51
X0
X1
X500
8.0MHz
<EF0MC>
C500
0.1
<F>
C502
0.1
<F>
C503
0.1
<F>
+
C501
4.7/50V
C561
0.01
<F>
R561
1.0K
R560
100K
5V
I C560
S80842
3
4
2
1
VDD
OUT GND
NC
15V
15V
C130
0.1
<F>
MD1 / 64P
MD2 / 63P
TCK / 62P
TRXD / 61P
MD0 / 1P
/ TRES / 19P
S I / 48P
TMODE / 18P
PFCEN / 14P
PFC-TRIP / 46P
EPV1 / 45P
E2DI / 39P
ZXL / 37P
ZXH / 36P
E2SK / 40P
U / 50P
X / 51P
V / 52P
Y / 53P
W / 54P
Z / 55P
15V
C115
0.1
<F>
C116
0.1
<F>
-12V
C112
0.1
<F>
TAUX / 25P
JM500
R500
10K
R502
1.0K
R503
10K
FAN I N / 17P
FAN PWM / 2P
PFC SW / 35P
CT / 3P
TEST / 59P
TAUX3 / 21P
TTXD / 60P
PFS / 58P
15V C. M.
COMPRESSOR EMI FILTER
UVW
B BB
W7 W8 W9
1-172132-1
BLACK BLACK
WHITE WHITE
RED RED AWG16
AWG16
AWG16
U V W
DCV
R210
1.0K
C214
2200P
<B>
C213
0.022
<F>
I PM-G
I PM-G
R218
10K
5V
C219
1000P
<B> R220
1.0K
R219 1.0K
R204 - R209
390 x 6
U / 50P
V / 52P
W / 54P
X / 51P
Y / 53P
Z / 55P
I PM-TRIP / 33P
12V
5V
R311
8.66K
(1%)
R310
143
(1%)
R309
5.76K
(1%)
15V
D303
DAN217U
D304
DAN217U
33
22 1 1
+
15V
C84
0.1
<F>
C86
470P
<B>
C87
330P
<B>
76
5
+
-
5V
I C302-2
LM2903
C85
4.7/
50V
R81
22K
R95
1.0K
1
2
3
DCV-F
R96
4.7K
CP-POS / 47P
R83
27K
C300
100P
<CH> Q80
2SC2412K
<BQ>
5V
-12V
15V
I C300-2
LM258
I C300-1
LM258
-
-
+
+
5
6
7
12
3
C306
0.1
<F>
C305
0.1
<F>
R330 4.7K (1%)
R332 4.7K (1%)
I PM-G
V4-AC / 27P
AC FAN / 28P
V4-DC / 29P
LED / 30P
PR / 31P
SO / 32P
E2CS / 41P
EPV2 / 42P
EPV3 / 44P
EPV4 / 43P
DCV / 8P
ACV / 7P
TE / 5P
TA / 6P
TD / 4P
I PM-CR / 9P
I PM-TRIP / 33P
CP-POS / 47P
5V
C570
0.1
<F>
I C570
BR93LC46
R570
10K
E2CS / 41P
E2SK / 40P
E2DI / 39P
12V
12V I C80
M54523
1
2
3
6
8
4
7
5
VCC
DO
NC
GND
CS
SK
D I
NC
1C
6C
5C
4C
3C
2C
7C
COM
1B
7B
6B
5B
4B
3B
2B
E
V4-AC / 27P
V4-DC / 29P
PR / 31P
AC FAN / 28P
SO / 32P
LED / 30P
5V
R80
2.2K
SO / I C80-2
V4-AC / I C80-3
V4-DC / I C80-4
PR / I C80-5
AC FAN / I C80-6
D80
SLR-332
<RED>
R585
1.0K
TAUX / 25P
TTXD / 60P
TRXD / 61P
TMODE / 18P
TAUX3 / 21P
TCK / 62P
/ TRES / 19P
CN580
B10B-PASK-1
WHITE
C73
0.1
<F>
C72
0.1
<F>
C75
0.1
<F>
R75
10K
R76
10K
R77
10K
R71
4.75K
(1%)
R72
6.65K
(1%)
R73
38.3K (1%)
C71
0.1
<F>
TE / 5P
TD / 4P
TA / 6P
TEST / 59P
MD2 / 63P
MD1 / 64P
MD0 / 1P
R93 R92 R90R91
10K x 4
R583 1.0K
R584 22K R582 10K R581 10K
C580
0.1
<F>
TAUX
TTXD
TRXD
TMODE
TAUX3
TCK
/ TRES
/ TICS
1
5
8
7
6
4
3
2
10
9
1
3
2
1
4
3
2
1
6
5
4
3
2
YELLOW
WHITE
ORANGE
BLUE
BROWN
RED
BLACK
BLACK
BROWN
BROWN
BLACK
BLACK
CN70
B03B-PASK-1
WHITE
C4
0.01
<E>
C5
0.01
<E>
C6 1.0
<LE>
C1 1.0
<LE>
L1
SC-10-55JH
SA1
RA-302M
B
B
B
B
W3
W2
W4
W1
VA1 470V
<TNR>
VA2
470V
<TNR>
5V
5V
SO / I C80-2
HY I C 1
GK-30434
18 14 10 5 4 3 2 1
R23
27K
R21
10K
R20 1.0K
R22 1.0K S I / 48P
ZXL / 37P
C20
0.022
<F>
C21
0.047
<B>
15V 5V
R132
2.2K
R131
100K
(1%)
PFC / 58P
2
1
3
+
10
98+
7
5
6
--
C118
1000P
<B>
Q101
DTC114EUA
I C103-3
uPC324
R130
100K
(1%)
I C103-2
uPC324
C117
1000P
<B>
5V
R162
68K (1%)
R160
68K
(1%)
-
+
2
31
+
7
61
5V
5V
R112
10K
(1%)
5V 5V
EXPANSION VALVE M
CN40
B6B-XARK-1-A
RED
CN71
B04B-PASK-1
WHITE
DISCHARGE TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
OUTDOOR TEMPERATURE THERMISTOR
4-WAY VALVE
SERIAL
EARTH
UL1015 AWG16
GREEN
UL1015 AWG14
WHITE
UL1015 AWG20
RED
L
N
W201
UL1015
AWG14
BLACK
F201
20A - 250V
UL1015
AWG14
BLACK
POWER SOURCE
230V
50Hz
-
+
8
9
10
3
21
3
2 1
R144
22K
(1%)
R143
47K
(1%)
-12V
C129
1000P
<B>
R159
4.7K
R145
22K
(1%)
I C104-3
uPC324
R146 47K
(1%)
R139 10K
(1%)
R137 10K (1%)
R140 10K
(1%)
-
+
7
5
6
6
57
+
-
R138 10K
(1%)
D109
RB751V R135
10K (1%)
I C105-2
LM2903
I C105-1
LM2903
R161 1.5K(1%)
R136
10K (1%)
R134
10K
(1%)
R133
10K
(1%)
ZXH / 36P
R163 10K (1%)
R141
10K
(1%)
D108 RB751V
I C104-2
uPC324
I C104-1
uPC324
I C104-4
uPC324
-
-
+
+
14
13
12
2
31
AC FAN / I C80-6
C123
2200P
<B>
R149
4.7K
(1%)
C124
2200P
<B>
R152
4.7K
(1%)
D110
DAN217U
D111
DAN
217U
195K <RN-1/2W> x 4
R147
R151 R150 R148
C134
0.1
<F>
C133
2.2/
50V
+
C132
2.2/
50V
+
C131
0.1
<F>
R168 22K R169 22K
15V
-12V
C119
0.1
<F>
C120
0.1
<F>
5V
ACV / 7P
D113
DAN217U
3
1 2
C128
0.1
<F>
+
C125
0.1
<F>
C126
2.2/50V
R165
22K
+
C127
2.2/50V
5V
3
12D112
DAN217U
CT / 3P
+C109
2.2/
50V
DCV / 8P
R107
3.83K
(1%)
POW_GND
C107
0.1
<F>
D106
DAN217U
3
1 2
+
R110
6.8K
C108
2.2/50V
R111 10K
PFC-TRIP / 46P
PFCEN / 14P
PFCSW / 35P
R167
10K
(1%)
C106
0.1
<F> I C102-3
BA10339
R113 4.7K (1%)
--
-
+
+
10
11 13
R115
22K (1%)
I C102-2
BA10339
C135
0.01 <F>
C110
0.1 <F>
I C102-4
BA10339 C136
0.01
<F> R114
15K
9
8
14
10
11
12
13
14
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
10
11
12
13
14
9
8
I C101
TC74HC00AF
5V
R120 10K
(1%)
R121 220K
(1%)
I C102-1
BA10339
5
42
+
-
1
5
7
3
2
6
4
GATI N VCC
S I
D I
NC
SO
GND
DCV-F
R105
R106
195K <RN-1/2W> x 2
I C100 TA8316
15V
R109 22
<1/4W>
R108 47
<1/4W>
R102
47K
Q100
GT30JI21
C105
0.1
<F>
+C104
4.7/
50V
L100 BL02Rn1
POW_GND
DCV
FH2
FH1
F4
BET
3.15A - 250V
DCV-F
C103 0.1 <HCP>
C100 750 / 385V C102 750 / 385V C101 750 / 385V
+ + + R104
220K
<2W>
I PM-G
L300 47uH
<ELC0607>
R200 39
<1/2W>
10 <1/2W> x 3
R223
R222
R221
I C200
FSB20CH60
21
22
23
24
25
26
27
10
11
12
13
14
15
16
17
18
19
20
9
8
7
6
5
4
3
2
1NU
NW
NV
U
W
V
P
VCC
COM
I N
I N
I N
VFO
CFOD
CSC
I N
VCC
VB
VS
I N
VCC
VB
VS
I N
VCC
VB
VS
R211
R212
R213
R214
R215
R216
R217
0.15
<1W>
x 7
C218 0.1 <HCP>
C209 0.1 <F> C210 0.1 <F>
C211 0.1 <F> C212 0.1 <F>
C221 0.1 <F>
C222 1.0 <B> D203 ZP1027
C220 47 / 35V
+
5V
2 1
3
2
3
1
+
-
D301
DAN217U
C320
0.15
<EC
QB>
R327
22K
(1%)
C311
1000P
<B>
D302
RB751V
R331
47K (1%)
R328
1.0K (1%)
R329 47K (1%)
U V W
R305R306
R304 R303 R302 R301
195K
<RN-1/2W> x 6
R308 195K <RN-1/2W>
R307 195K <RN-1/2W>
I C60
TA7805
IO
G
1
2
3
+C62
100/
16V
+
C60
220/
16V
15V
+C63
100/
35V
R60
10K
+
C61
470/
25V
D60 D2FL20U
D61 D1FL20U
D62
D1FL20U
C64 0.1 <F>
-12V
T60
JPZ200
10
12
13
15
16
9 8
7
6
3
2
1
C67
100/
35V
+
D64 - D67
D1FL20U x 4
C66
0.1
<F>
C68
0.1
<F>
D63
D1FL20U
C65
220/
35V
+
POW_GND
R51 220K
<2W>
R52 1.0K
<RS-3W>
C51 20P
<B>
Q50
2SC4236
R53
100
<1W>
C52
0.047
<ECQB>
1
2
3D51
RD5.6ES
<B2>
+
R54
330
<1/4W>
C53
100/
16V
R50 2.4
<1/2W>
D52 D1FL20U
D50 D1FL20U
D107
RB751V
R119
10K
(1%)
R164
22K
C111
4700P
<B>
R117
22K
(1%)
R118
10K (1%)
R116
15K (1%)
-
+
1
2
3
R126
100K
(1%)
I C103-1 uPC324
R127 10K (1%)
R128 10K (1%)
R129 100K (1%)
C113
2700P
<B>
3 3
1 1
2 2
R122
10K
R123
10K (1%)
C121
47P
<CH>
R166 10K (1%)
D115 DAN217U
D114 DAN217U
R333
10K
(1%)
C330
1000P
<B>
R337
100K
(1%)
R335 - R336
10K (1%) x 2
R338
4.7K
(1%)
R340
10K
(1%)
C339
0.01
<F>
I C302-1
LM2903
R334
10K (1%)
Q300
DTC114EUA
3
1
2
R339 10K (1%)
I PM-CR / 9P
POW_GND
C215 C216 C217
C206 C207 C208
2200P <B> x 6
R203 330K
C205 0.1 <F>
C204 47/35V
+
R202 330K
C203 0.1 <F>
C202 47/35V
+
R201 330K
C201 0.1 <F>
C200 47/35V
+
D202 U1JU44
D201 U1JU44
D200 U1JU44
FLASH
WRITING RESET
( INTLLIGENT
POWER MODULE )
AOY9LFBC
AOY12LFBC
JM101
TEST
JM103
JM102
JM101
TEST
JM103
JM102
Model Changing
I C102_PASS CON
I C104_PASS CON
I C105_PASS CON
I C300_PASS CON
I C103_PASS CON
2005.08.02 6
CONTROLLER PCB ASSEMBLY
AOY9LFBC : K04DT-0400HUE-C1
AOY12LFBC : K04DT-0401HUE-C1
Models : AOY9LFBC
AOY12LFBC
OUTDOOR PCB CIRCUIT DIAGRAM

Self-diagnosis function table (Flashing LED Display)
Applicable model : ASY9LSBCW, ASY12LSBCW
* Detailed Trouble Display (secondary level) can be indicated by pressing Test Operation button.
ERROR CONTENTS
Error Operation Timer Error Operation Timer
Serial signal Normal 1 sec Serial reverse signal error 0.1sec 0.5sec When a signal is not read continuously for 10 secs
from power relay ON immediately after operation starts
>>Cooling 0 code transmission, automatic reset
When a signal is not read for 20 secs thereafter
>>Trouble display continues and power relay OFF
>>Permanent stop
When a signal is not read continuously for 10 secs
from power relay ON immediately after operation starts
>>Cooling 0 code transmission, automatic reset
When a signal is not read for 20 secs thereafter
>>Trouble display continues and power relay OFF
>>Permanent stop
error blinking at operation start up blinking 2 times
Signal reverse signal error 0.1sec 0.5sec
during operation blinking 3 times
Serial forward signal error 0.1sec 0.5 sec Normal Serial Forward Signal can not be
at operation start up blinking 4 times received more than 10 secs
>>Releases when it becomes normal
Serial forward signal error 0.1sec 0.5sec Normal Serial Forward Signal can not be
during operation
blinking 5 times received more than 10 secs ( after receiving
effective forward transfer signal)
>>Releases when it becomes normal
Indoor unit 0.5sec 0.1sec Indoor temperature 0.1sec 0.5sec Thermistor detection value is open when
thermistor 2 times blinking thermistor open blinking 2 times AC plug is inserted
error
>>Releases when value becomes normal
Pipe thermistor 0.1sec 0.5sec Thermistor detection value is open or short
open or short
blinking 3 times when AC plug is inserted
>>Releases when value becomes normal
Outdoor unit 0.5sec 0.1sec Discharge thermistor 0.1sec 0.5sec Thermistor detection value is open or short
thermistor 3 times blinking open or short blinking 2 times
error
>>Outdoor unit stops
Releases when it becomes normal
Heat exchanger 0.1sec 0.5sec Thermistor detection value is open
thermistor open blinking 3 times
>>Outdoor unit stops
Releases when it becomes normal
Outdoor temperature 0.1sec 0.5sec Thermistor detection value is open or short
thermistor open or short blinking 4 times
>>Outdoor unit stops
Releases when it becomes normal
Indoor unit 0.5sec 0.1sec Forced automatic SW 0.1sec 0.5sec Forced Auto SW is ON for more than
control error 4 times blinking welded blinking 2 times 10 secs continuously
>>Error is indicated while it is ON
Normal Operation other than error indication
Main relay welded 0.1sec 0.5sec Serial Reverse Signal is received 1 min.
blinking 3 times after Main relay becomes OFF
>>Error is indicated while serial reverse
signal is input on normal operation
Normal operation except error indication
Power interruption error
0.1sec 0.5sec 50/60Hz is not detected after 4 secs of
blinking 4 times power ON.
>>Error is indicated and unit is stopped
Trouble Display (primary) Detailed Trouble Display (by Test Button) Detailed Error Item
IndoorIndoorIndoorIndoorIndoor OutdoorOutdoorOutdoor
2005.02.17 7

IndoorIndoor OutdoorOutdoorOutdoorOutdoorOutdoorOutdoorOutdoorOutdoor
Error Operation Timer Error Operation Timer
Outdoor unit 0.5sec 0.1sec Current trip 0.1sec 0.5sec Current trip error is 2nd time within
control error 5 times blinking blinking 2 times start up
>>Permanent stop
CT abnormal
0.1sec 0.5sec Current detection value is 0A for more
blinking 3 times than 1 sec when compressor is
operated at more than 56rps
>>Automatic release after 3 min. ST
Compressor rotation
0.1sec 0.5sec Compressor location detection error (incl.
error blinking 5 times failed start up) for 3 times
>>Permanent stop
Indoor fan 0.5sec 0.1sec Abnormal lock 0.1sec 0.5sec Detected rotation is 0 r.p.m. at start up or
motor error 6 times blinking blinking 2 times at 56 secs after Fan mode is selected
>>Permanent stop
Abnormal rotation
0.1sec 0.5sec Detected rotation is 1/3 of target r.p.m. at
blinking 3 3 times start up or at 56 secs after Fan mode is
selected
>>Permanent stop
Refrigerant 0.5sec 0.1sec Discharge temperature 0.1sec 0.5sec Discharge Temperature protection
cycle error 7 times blinking abnormal blinking 2 times (Discharge temperature is 110degC)
operated 2 times
>>Permanent stop
Cooling high pressure 0.1sec 0.5sec High pressure rise protection (Outdoor
abnormal rise blinking 3 times heat exchanger temperature is 65degC)
operated
>>Comp. OFF (releases after 3min.ST)
Error is indicated while 3 min.ST
Optional 0.5sec 0.1sec Active filter voltage 0.1sec 0.5sec Active Filter voltage error operated 3 times
function 8 times blinking abnormal (3rd time) blinking 2 times
error
>>Permanent stop
PFC circuit 0.1sec 0.5sec
abnormal blinking 4 times
>>Permanent stop
Active filter foltage
0.1sec 0.5sec Active Filter Module error or open
abnormal (1st time)
blinking 3 times detection protection operated
>>Automatic release after 3 min. ST
Trouble Display (primary) Detailed Trouble Display (by Test Button) Detailed Error Item
Outdoor
Outdoor unit fan drive
system abnormal
0.1sec 0.5sec When outdoor fan abnormal fan motor
duty abnormal operated 5 times
blinking 6 times
>>Permanent stop
2005.02.16 8

DISASSEMBLY ILLUSTRATION
51
53
2
3
1
6
7
1
4
5
5
ASY12LSBCW
Models : ASY9LSBCW
2005.01.14 9

188
32
24
30
29
20
31
23
43
46
48
236
37
26
28
52
36
42
39
33
21
38
27
61-1
61-2
32
ASY12LSBCW
Models : ASY9LSBCW
2005.01.14 10

AOY12LFBC
Models : AOY9LFBC
2005.01.24 11
11
26
27
37
38
29
42
45
5
16
17
25
18
19
32
12
23
10
7
15
2
1
13
14
40
9
36
39
24
8
41
46
42
4
3
21
22
43

2005.01.14 12
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.
INDOOR UNIT
PARTS LIST
--- Indicator PCB Assy 9705039032
1 Air Filter 9309997011
2Filter (Electric) 9312153015
3 Filter (ION) 9311925033
5
4
Clamper (Grille) 9306755010
6 Front Panel Total Assy 9313130091
7Intake Grille Assy 9313131050
24 Crossflow Fan Assy 9307836015
37 Insulation (Pipe)-E 9304607007
38 Holder (Evaporator)-L 9309982017
39 Holder (Evaporator)-R 9309983014
61-1 Flow Control Panel-U 9309991033
61-2 Flow Control Panel-Z 9309992030
188 Power Cord 9900157012
236 Controller PCB Assy 9705656062
--- Pipe Temperature Thermistor 9702039042
--- Room Temperature Thermistor 9700801108
9705039032
9309997011
9312153015
9311925033
Holder (Filter) 93066020179306602017
9306755010
9313130091
9313131050
20 Gear-A 9309994003
21 Casing Assy 9312112081
23 Cover (Casing)-B 9311916017
9309994003
9312112081
9311916017
9307836015
26 Clamp (Motor) 9310102008
27 Shaft Holder-C Assy 9306628017
28 Drain Hose Assy 9310357019
9310102008
9306628017
9310357019
29 Drain Cap Assy 9304150008
30 Wire Clamper 9311946014
31 Box (Switch) 9309996014
32 Cover (Switch) 9311863014
33 Evaporator Total Assy 9313099015
36 Joint Pipe Assy 9313104016
9304150008
9311946014
9309996014
9311863014
9313099015
9313104016
9304607007
9309982017
9309983014
42 Air Seal 9310611005
43 Terminal 9701955077
46 Step Motor 9900139025
48 Fan Motor Assy 9601814016
51 Remote Control Unit 9313144012
52 Bracket Panel 9310001004
9310611005
9701955077
9900139025
9601814016
9313144012
9310001004
53 Remote Control Unit Holder 93056420149305642014
9309991033
9309992030
9900157012
9705656055
(K02DR-0410HSE-C1) (K02DR-0411HSE-C1)
9702039042
9700801108
Ref.
No. Description
Part No.
ASY9LSBCW ASY12LSBCW
Ord.
Q'ty

2005.08.02 13
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.
OUTDOOR UNIT
1 Fuse Holder
2 Fuse
3 Thermister Holder Pipe
4 Thermistor Spring-A
5 Thermistor Spring
7 Terminal
8 Cord Clamp
9 Cover (Case)
10 Bracket Valve
11 Cover (Switch)
12 Rubber Cushion
13 Inverter Case Assy
15 Nut Special Assy
16 Front Panel
17 Fan Ring
18 Propeller Fan
19 Bracket (Motor) Assy
21 Separator-B
22 Protective Net
23 Base Assy (Painted)
24 Top Panel (Painted)
25 Cabinet Left (Painted)
26 Cabinet Right (Painted)
27 3-Way Valve Assy
29 4-Way Valve Assy
32 Compressor Assy
36 Cover (Inverter Case)
37 2-Way Valve Assy
38 Pulse Motor Valve Assy
39 Motor
40 Inverter PCB Assy
41 Expansion Valve Coil
42 Thermistor Assy
43 Thermistor (Outdoor Temp)
45 Solenoid
46 Condenser Total Assy 9314032011
0501454012
0600382018
313714262805
313728262708
9300089012
9306489038
9307271014
9309913011
9310229026
9310979013
9312680016
9312972029
9313452018
9313806026
9313807016
9313808013
9313990015
9313815011
9313941017
9313987015
9313989026
9313992019
9313995027
9314022012
9314093012
9314278013
9314507014
9314554018
9314557019
9601859017
9705706019
9900057039
9900148027
9900210038
9970033018
0501454012
0600382018
313714262805
313728262708
9300089012
9306489038
9307271014
9309913011
9310229026
9310979013
9312680016
9312972029
9313452018
9313806026
9313807016
9313808013
9313990015
9313815011
9313941017
9313987015
9313989026
9313992019
9313995027
9314022012
9314093012
9314278013
9314507014
9314554018
9314557019
9601859017
9705706026
9900057039
9900148027
9900210038
9970033018
9314107016
--- Emblem Rear 93126330299312633029
Ref.
No. Description
Part No.
AOY9LFBC AOY12LFBC
Ord.
Q'ty

9305642014
Remote control
unit holder
Name and Shape
Part No.
ASY9LSBCW, ASY12LSBCW
9312752010
9308846099
0600185534
0700076046
9310519004
9312153015
9311925033
Remote control
unit
Battery (penlight)
Cloth tape
Tapping screw (big)
Wall hook bracket
STANDARD ACCESSORIES
9306602017
Tapping screw (small)
( 3 x 12)
( 4 x 25)
0700019036
Air cleaning filter
Air cleaning filter
frame
2005.01.14 14

0412G2714