Fujitsu ASU18RLF User manual

SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED TYPE
Indoor unit Outdoor unit
ASU18RLF
ASU24RLF
AOU18RLXFW
AOU24RLXFW
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . 4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 5
ERROR DERECTION . . . . . . . . . . . . . . . . .
6INDOOR PCB CIRCUIT DIAGRAM . . . . . . .
9OUTDOOR PCB CIRCUIT DIAGRAM . . . . .
15
PARTS (INDOOR UNIT) . . . . . . . . . . . . . . 16
PARTS (OUTDOOR UNIT) . . . . . . . . . . . . 20
24ACCESSORIES . . . . . . . . . . . . . . . . . . . . .

2010.12.22 1
INDOOR UNIT H x W x D
H x W x D
12-5/8 x 39-1/4 x 9 inch 320 x 998 x 228 mm
OUTDOOR UNIT 32-3/4 x 35-3/8 x 13 inch 830 x 900 x 330 mm
DIMENSIONS
INDOOR UNIT Shipping / Net
Shipping / Net
40 lbs / 31 lbs 18 kg / 14 kg
OUTDOOR UNIT 150 lbs / 135 lbs 68 kg / 61 kg
WEIGHT
SPECIFICATIONS
TYPE Cool & heat inverter
INDOOR UNIT
OUTDOOR UNIT
ASU18RLF
AOU18RLXFW
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE 208 V / 230 V
FREQUENCY 60 Hz
RUNNING CURRENT
MAXIMUM CURRENT
Cooling
Heating
INPUT WATTS Cooling
Heating
E.E.R. Cooling
COP Heating
MOISTURE REMOVAL
AIR CIRCULATION HIGH 541 cfm 920 m3/hr
18,000 BTU/h 5.28 kW
21,600 BTU/h 6.30 kW
6.2 A
14.5 A
8.0 A
1.35 kW
1.80 kW
13.3 BTU/kW 3.90 kW/kW
12.0 BTU/kW 3.50 kW/kW
5.9 Pt/h 2.8 L/hr
FAN MOTOR
TYPE Hermetic type, 6 pole, DC inverter motor, Rotary
DISCRIMINATION
WEIGHT WITH OIL
N-TF30ND1A
REFRIGERANT TYPE
PRECHARGED REFRIGERANT
R410A
4 lb 10 oz 2,100 g
34.2 lb 15.5 kg
POWER SOURCE 230 V
High speed 1,260 r.p.m.
INDOOR UNIT Middle speed 1,020 r.p.m.
Low speed 900 r.p.m.
Quiet
Cool
Heat
770 r.p.m.
OUTDOOR UNIT 620 r.p.m.
620 r.p.m.
ELECTRICAL DATA
COMPRESSOR AND REFRIGERANT
INDOOR UNIT
OUTDOOR UNIT
Cool 43 dB / Heat 44 dB
Cool 47 dB / Heat 50 dB
ASU24RLF
AOU24RLXFW
208 V / 230 V
60 Hz
659 cfm 1,120 m3/hr
22,000 BTU/h 6.50 kW
27,600 BTU/h 8.10 kW
7.9 A
15.5 A
10.5 A
1.76 kW
2.38 kW
12.5 BTU/kW 3.69 kW/kW
11.6 BTU/kW 3.40 kW/kW
6.3 Pt/h 3.0 L/hr
230 V
1,480 r.p.m.
1,220 r.p.m.
1,020 r.p.m.
900 r.p.m.
850 r.p.m.
800 r.p.m.
Cool 49 dB / Heat 49 dB
Cool 54 dB / Heat 55 dB
NOISE LEVEL
Pipe length 66 ft 20 m 4 lb 10 oz 2,100 g
FULL CHARGE 164 ft 50 m 7 lb 4 oz 3,300 g
ADDITIONAL CHARGE 0.43 oz/ft 40 g/m

DIMENSIONS
Unit : inch (mm)
Drain pipe diameter
Inside : 5/8 inch (16 mm)
Outside : 1-3/32 inch (28 mm)
Liquid pipe diameter : 3/8 inch (9.52 mm)
Gas pipe diameter : 5/8 inch (15.88 mm)
INDOOR UNIT
39-1/4" (998) 9" (228)
12-5/8"
(320)
2010.02.26 2

Unit : inch (mm)
OUTDOOR UNIT
3"(77)
35-1/2" (900)
32-3/4" (830)
17-3/8" (440)
7/8" (21)
3/8" (9)
15-3/4" (400)
13" (330)
1-1/4"
(31)
1/2"
(12)
7-3/4" (196)
5-3/4" (147)
6-3/4" (170)
3-7/8" (99)
14-5/8" (370)
25-5/8" (650)
Air Flow
2010.02.26 3

REFRIGERANT
SYSTEM DIAGRAM
3-Way valve
(Small)
3-Way valve
(Large)
Strainer
Strainer
Muffler
Pressure
switch
4-Way valve
Expansion
valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Sub-accumulator
Compressor
Refrigerant pipe diameter
Liquid : 3/8" (9.52 mm)
Gas : 5/8" (15.88 mm)
Cooling flow
Heating flow
2010.02.26 4

RED
RED
BROWN
BROWN
BLUE
BLUE
BLACK
BLACK
BROWN
BROWN
BLACK
BLACK
WHITE
YELLOW
ORANGE
BLUE
RED
BROWN
YELLOW
WHITE
BLACK
RED
RED
GREEN
WHITE
BLACK
WHITE
BLACK
VIOLET
WHITE
BLUE
YELLOW
BLACK
RED
BROWN
ORANGE
ORANGE
ORANGE
RED
WHITE
BLACK
WHITE WHITE
BLACK
WHITE
12
GRAY or WHITE
BLACK WHITE BLACK
WHITE
WHITE WHITE WHITE WHITE WHITE WHITE WHITE
WHITE
WHITE WHITE
WHITE WHITE
WHITE WHITE
BLACK
BROWN
RED
ORANGE
YELLOW
123456789
123456789 12345
12345
1
2
3
4
5
6
7
8
9
1
2
3
4
5
1
2
3
4
5
6
7
8
9
1
2
3
4
5
12
121234
1234
123456
123456
12
12
12
12
1
2
3
4
5
6
7
CN1 1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
4
5
1
21 2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
21 2
CN110
TM600 TM601
CN100
CN800
W4
W29
W28
W25
W26
W21
W9
W20 W19
W3
W18
W17
W2
W1
CN700
CN500
CN63
CN65
CN62
CN64
CN90
CN11
N
P
L2 L1
-I N
+I N
W8
W7
W13
W12
CN400CN200CN40CN42
CN303 CN301 W306
W307
TM102
TM101
W16
W17
TM301
TM302
TM303
W
TM305
U
TM304
V
S
T
R
CM
COMPRESSOR
POSISTOR
CHOKE COIL
TERMINAL
G
G
L2L13
21
PMV
FM
4WV
FAN MOTOR
EXPANSION VALVE
4-WAY VALVE
THERMISTOR ( DISCHARGE PIPE TEMP. )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( COMPRESSOR TEMP. )
HIGH PRESSURE SWITCH
ACTPM
CAPACITOR
PCB ASSY
TRANSISTOR
PCB ASSY
( I P M )
POWER SUPPLY
PCB ASSY
CONTROLLER PCB ASSY ( MAIN PCB )
POWER SOURCE
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
5
4
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
3
2
1
5
4
3
2
1
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
5
4
3
2
1
1
2
3
4
5
6
1
2
3
4
5
6
CN13
CN16CN14
CN10
CN3CN1
CN8
CN6
CN5
CN11
CN2
TM1
TM4 TM2 W5
CN201
BLUE
YELLOW
WHITE
BLACK
RED
BLUE
PINK
YELLOW
ORANGE
RED
BLUE
PINK
YELLOW
ORANGE
RED
BLUE
PINK
YELLOW
ORANGE
RED
GREEN
WHITE
RED
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
BLACK
WHITE
RED
FM
TEST
FAN MOTOR
MLOUVER
( DIFFUSER )
MLOUVER
( UP / DOWN )
MLOUVER
( RIGHT / LEFT )
G
12 3
TERMINAL
EX OUT
( OPTION )
EX I N
( OPTION )
THERMISTOR
( PIPE TEMP. )
THERMISTOR
( ROOM TEMP. )
WIRED REMOTE
CONTROL ( OPTION )
INDICATOR
PCB ASSY
THERMAL
FUSE 102
CONTROLLER PCB ASSY ( MAIN PCB )
INDOOR UNIT OUTDOOR UNIT
CIRCUIT DIAGRAM
2010.12.22 5
( AOU24RLXFW Only )

UL1061 AWG28 x 7
CN11-1 RED
CN11-2 WHITE
CN11-3 WHITE
CN11-4 WHITE
CN11-5 WHITE
CN11-6 WHITE
CN11-7 WHITE
UL1007 AWG26 x 2
CN2-1 BLACK
CN2-2 BLACK
CN3-1
CN3-2
RED
WHITE BLACK
BLACK
CN13-1
CN13-2
CN13-4
CN13-3
CN13-5
UL1061 AWG26 x 5
UL1061 AWG26 x 5
UL1061 AWG26 x 5
UL3266 AWG22 x 5
UL1061 AWG26 x 3
CN5-1 RED
CN5-2 ORANGE
CN5-3 YELLOW
CN5-4 PINK
CN5-5 BLUE
CN10-6 RED
CN8-1 RED
CN8-2 ORANGE
CN8-3 YELLOW
CN8-4 PINK
CN8-5 BLUE
CN10-4 BLACK
CN10-3 WHITE
CN10-2 YELLOW
CN10-1 BLUE
CN2-3 YELLOW
CN2-1 RED
CN2-2 ORANGE
CN2-4 PINK
CN2-5 BLUE
CN6-1 RED
CN6-2 WHITE
CN6-3 BLACK
UL1015 AWG24 BLACK
UL1015 AWG24 WHITE
UL1015 AWG24 RED
L
N
SERIAL
E
1
2
3
M
M
M
F M
DC FAN MOTOR
LOUVER ( DIFFUSER )
LOUVER ( UP / DOWN )
LOUVER ( RIGHT / LEFT )
THERMISTOR
( ROOM TEMPERATURE )
THERMISTOR
( PIPE TEMPERATURE )
XARR
-03VF
XAP
-03V-1
EX OUT
EX I N
CN201
07 JB20 / PAP 1061
WHITE
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
1
2
1
2
1
2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
6
5
4
3
2
1
CN11
B07B-A I SK-1
WHITE
CN14
B3B-XH-AM
WHITE
CN16
B2B-XH-AM
WHITE
CN3
JC25-02HG
WHITE
CN1
2P-SAN
WHITE
CN13
B5B-PH-K-S
WHITE
TEST
FLASH
CN9
B07B-PASK-1
WHITE
CN6
B05B-XASK-1-A
WHITE
CN2
SJH20-05WS
WHITE
CN5
SJH20-06WS
WHITE
CN8
B06B-PASK-1
WHITE
CN10
B5 ( 6-5 ) B-XARK-1-A
RED
TERMINAL
HP-T3064A-A29-L1
E
W5
GREEN
EARTH
TM2
22007
RED
SERIAL I N
TM1
22007
WHITE
N I N
TM4
22007
BLACK
L I N
F1
AC250V 3.15A
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
WIRED REMOTE CONTROL
( OPTION )
POWER SOURCE
AC208 - 230V
60Hz
CONTROLLER PCB ASSEMBLY
( MAIN PCB )
ASU18RLF : K09DR-0900HSE-C1
ASU24RLF : K09DR-1000HSE-C1
UL1015
AWG22
GREEN
EMI FILTER
ESD-R19
4 TURNS
CONTROL UNIT
ASU18RLF : EZ-0090DHSE
ASU24RLF : EZ-0104HSE
INDOOR PCB
CIRCUIT DIAGRAM
2010.10.13 6

F1
3.15A
250V
VA1
470V
<TNR>
C8
0.47
<LE>
C13
0.01
<KH>
C14
0.01
<KH>
L1
SS28V
<060330>
L2
0.6A - 10mH
D6
D3SB60
43
12
4
3
2
1
A
11 6 I C1-30
I C18-6
uLN2003ADR
5V
23
1
3
1 2
3
2
1
Q10
RT1N241M
5V
D14
DAN202K
5V
Q11
RT1N241M
R34
12k
<1/10W>
C29
0.22
<B>
I C8
TOP244YN
+
2
3
1
C27
47/
35V
Q7
2SA1037AK
R38
15k
<1/10W>
+C33
47/
35V
6
5
4
2
1
3
D
F
S
C
L
X
340V
C32
0.01
<ECQE>
R45
100k
<RS-2W>
D8
1SS355
R49
5.6k
<1/10W>
R42
270
<1/10W>
C4
47p
<DEA>
R46, R120
22 <1/4W>
x 2
+
C6
100/
420V
D7
UF4007
D4
D1FL20U
C35, C61
0.01 <KH>
x 2
I C15
PS2561L-1-V
4
3
1
2
C
3
A
2
REF
1
I C19
TL431 I LP
D9
D1FL20U
+
C39
100/
50V
R76 47k
<1/10W>
1%
20V
C25
0.1
<F>
JM9
0R0
C38
0.1
<F>
R53
5.6k
<1/10W>
R48 200k
<1/10W>
1%
R67
150
<1/10W>
R64
1.8k
<1/10W>
+C19
330/
25V
JM3
0R0
C22
0.1
<F>
7V
D16
1SS355
I C20
78M15 15V
A
C56
0.1
<F>
R8
1.0k
<RS-2W>
C42
330/
25V
+
1
2
3
IO
G
13 2
VCC
OUT
GND
D15
1SS355
I C2
BA05T 5V
C17
330/
25V
+C12
0.1
<F>
12V
+
T1
MY064
D12
D2FL20U
D10
D1FL20U
C37
1000/
25V
8
9
10
6
5
4
3
2
1
12
5
I C1-38
I C18-5
uLN2003ADR
5V
K10
G5NB-1A
I C18-1
uLN2003ADR
12V
42
13
1 16
I C1-4
9
8
VCC
G / V
VCC
G / V
VCC
G / V
9
8
9
8
12V
5V
SW1
KSMC632B
R32
10k
<1/10W>
R33
1.0k
<1/10W>
C28
0.01
<B>
5V
5V
C21
0.1
<F>
C20
0.1
<F>
C9
0.1
<F>
C7
0.1
<F>
C18
10/
25V
+
JM5
0R0
12V
F3
0.2A
30V
D2
D1F60
12V 12V
D3
DAN217U
12
3
8
4
VCC
G / V
+
-
+
-
12V
12V
5V
I C5-2
BA10393F
I C5-1
BA10393F
R30
10k
<1/10W>
R36
1.0k
<1/10W>
C60
1000p
<R>
I C7-1
uLN2003ADR
I C5-3
BA10393F
R31
390
<1/4W>
1% C23
0.1
<F>
12
3
76
5
R21 15.4k
<1/10W>
1%
R22 28k
<1/10W>
1%
R17
10k
<1/10W>
161
I C1-41
I C1-55
X1
8.00MHz
<CSTLS>
R4, R5
10k <1/10W>
x 2
1
3
2
I C 1
78F1154AGK
C5
0.1
<F>
5V
R89
1.0k
<1/10W>
C57
0.01
<B>
R104
10k
<1/10W>
I C25
PS2561L-1-V
L4
0R0
L3
0R0 5V
R101
330
<1/10W>
C51
0.01
<B>
1
2
4
3
R35
10k
<1/10W>
5V R86 - R88
10k <1/10W> x 3
5V
R41, R37, R40
100 <1/10W> x 3
R54
0R0
R9
10k
<1/10W>
5V
R90 - R92
330 <1/10W> x 3
C49
1000p
<R>
C47
1000p
<R>
R99, R98, R97
10k <1/10W>
x 3
L6, L7
BLm18 <BD102>
x 2
5V
R6
49.9k
<1/10W>
1%
C3
0.1
<F>
C16
0.1
<F>
C15
0.1
<F>
R13
1.0k
<1/10W>
R2
10k
<1/10W>
1%
C2
0.1
<F>
R14
1.0k
<1/10W>
12V
R109
10k
<1/10W>
BZ1
PKM13EPYH-4000-A0
BZ
I C18-7
uLN2003ADR
7 10
I C1-80
I C1-36 MANUAL AUTO
SWITCH
I C16-8
uLN2003ADR
I C7-8
uLN2003ADR
I C18-8
uLN2003ADR
5V
I C6
S-93C66B0 I
C26
0.1
<F>
R39
10k
<1/10W>
5V
R52
10k
<1/10W>
1
3
2
5
8
4
7
6
CS
D I
SK
GND
VCC
DO
NC
TEST
C101
4700p
<E>
VA6
470V
<TNR>
R114
390
<1/10W>
R105
10k
<1/10W>
R103
390
<1/10W>
C54
0.01
<B>
C50
0.01
<B>
R106
470
<1/4W>
R122
470
<1/4W>
5V 15V R43
330
<1/10W>
Q6
DTC124EUA 5V
I C10
PS2561L-1-V
R51
1.0k
<1/4W>
+C36
100/
25V
A
15V
340V
R63
6.8k
<1/4W>
R44
1.0k
<1/10W>
C30
1000p
<R>
R47
10k
<1/10W>
I C14
PS2561L-1-V
R56
4.7k
<1/10W>
R55
820
<1/4W>
1%
15V
4
3
1
2
1
2 3
4
23
1
I C1-39
I C1-40
12V
I C7-6 uLN2003ADR
I C7-5 uLN2003ADR
I C7-4 uLN2003ADR
I C7-3 uLN2003ADR
I C7-7 uLN2003ADR
I C16-3 uLN2003ADR
I C16-1 uLN2003ADR
I C16-2 uLN2003ADR
I C16-7 uLN2003ADR
I C16-6 uLN2003ADR
I C16-5 uLN2003ADR
I C16-4 uLN2003ADR
R110
10k
<1/10W>
R57, R60, R58
330 <1/10W> x 3
R113
47
<1/10W>
C58
1000p
<R>
C53
1000p
<R>
C40
100/
25V
+
C41
0.01
<B>
611
512
413
314
314
215
116
710
710
611
512
413
I C1-51
I C1-52
I C1-53
I C1-54
I C1-47
I C1-48
I C1-49
I C1-50
I C1-43
I C1-44
I C1-45
I C1-46
I C1-21
I C1-22
I C1-23
I C1-1
I C1-73
I C1-71
I C1-72
I C1-70
I C26-14
I C26-10
I C1-32
I C1-42
I C1-31
I C26-10
I C26-14
I C1-61
I C1-62
I C1-79
I C1-76
I C1-77
I C1-10
I C1-8
I C1-9
I C1-13
I C1-35
I C1-80
I C1-79
I C1-77
I C1-76
I C1-36
I C1-35
I C1-32
I C1-31
I C1-30
I C1-35
I C1-1
I C1-23
I C1-22
I C1-21
I C1-46
I C1-45
I C1-44
I C1-43
I C1-42
I C1-73
I C1-72
I C1-71
I C1-70
I C1-39
I C1-38
I C1-54
I C1-53
I C1-52
I C1-51
I C1-50
I C1-49
I C1-48
I C1-47
I C1-62
I C1-61
I C1-40
I C1-9
I C1-8
I C1-4
I C1-41
I C1-10
I C1-13
1
2
3
4
5
6
7
1
2
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
1
2
3
4
5
6
5
4
3
2
1
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
2
1
1
2
74
73
72
71
70
39
38
54
53
52
51
50
49
48
47
68
67
66
65
64
63
62
61
40
25
9
8
7
6
5
4
3
2
41
10
13
16
17
60
18 75
76
77
78
79
80
69
11
12
14
15
1
58
57
55
30
31
32
33
34
35
36
37
29
28
27
26
24
23
22
21
46
45
44
43
42
56
59
20
19
P00
P01
P02
P03
P04
P05
P06
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P40
P41
P42
P43
P44
P45
P46
P47
P50
*RESET
FLMD0
REGC
GND
AGND
EGND
VCC
EVCC
AVREF0
AVREF1
P51
P52
P53
P54
P55
P60
P61
P62
P63
P64
P65
P66
P67
P70
P71
P72
P73
P74
P75
P76
P77
P90
P110
P111
P120
P121
P122
P123
P124
P130
P140
P140
P142
P143
P144
P145
CN6
B05B-XASK-1-A
WHITE
CN16
B2B-XH-AM
WHITE
CN11
B07B-PASK-1
WHITE
CN5
SJH20-06WS
WHITE
CN2
SJH20-05WS
WHITE
CN8
B06B-PASK-1
WHITE
CN10
B5 ( 6-5 ) B-XARK-1-A
RED
CN13
B5B-PH-K-S
WHITE
CN9
B06B-PASK-1
WHITE
CN14
B3B-XH-AM
WHITE
18 14 10 5 4 321
1
23
45
678
TM4
TM1
W5
B
L - I N
N - I N
E
I C 2 6
H I 2 0 0 3 R 3
SERIAL
TM2
THERMISTOR ( ROOM TEMP. )
CN1
150-103-86172
CN3
02 / 03 JC25 / XARR
THERMISTOR ( PIPE TEMP. )
TEST
FLASH
EX I N
A
WIRED REMOTE CONTROL UNIT
EX OUT
INDICATOR PCB ASSY
LOUVER ( UP / DOWN )
LOUVER ( RIGHT / LEFT )
LOUVER ( DIFFUSER )
DC FAN MOTOR
INDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
ASU18RLF : K09DR-0900HSE-C1
ASU24RLF : K09DR-1000HSE-C1
2010.10.13 7

CN201
07 JB20 / PAP
1061 L=230
5V
C201
0.1
<F>
5V
+ C202
47/
10V
R201
47
<1/4W>
I C201
GP1UM261RKVF
5V
D201
SLR-325MC
D203
SLR-325MC
D202
SLR-325DC
5
4
6
1
2
3
7
2
1
3
VCC
OUT
GND
GREEN
ORANGE
GREEN
INDOOR UNIT
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
2010.10.13 8

UL3271 AWG14 x 3
RED
WHITE
BLACK
COMPRESSOR
EMI FILTER
ZCAT2132-1130
1 T
98 7 6 5 43 2 1543 2 11 2
43 2 1
212 1
12 3 4 5 67 8 912 3 4 5
21UL3271
AWG20
ORANGE
UL3271
AWG20
ORANGE
UL1015
AWG14
BLACK
UL1015
AWG14
BLACK
UL1015
AWG14
WHITE
UL1015
AWG20
BLACK
UL1015
AWG20
WHITE
UL3271
AWG20
RED
UL3271
AWG16
GREEN
UL3271
AWG14
WHITE
UL3271
AWG14
WHITE
UL1015
AWG14
WHITE
UL1015
AWG14
VIOLET
UL1015
AWG14
YELLOW
UL1015
AWG14
BLUE
UL1015
AWG14
BLACK
UL1015
AWG14
RED
6 5 43 2 1
EMI FILTER
ZCAT1518-0730
1 T
EMI FILTER
ZCAT1518-0730
2 T
EMI FILTER
ZCAT1518-0730
2 T
EMI FILTER
ZCAT1518-0730
1 T
EMI FILTER
ZCAT2132-1130
1 T
EMI FILTER
ZCAT2132-1130
2 T
EMI FILTER
ZCA2132-1130
1 T
UL1015
AWG14
ORANGE
UL1015
AWG14
BROWN
1
2
3
4
5
6
1
2
3
4
5
6
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
UL1007 AWG24 x 5
WHITE
UL1007 AWG24 x 9
WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE
WHITE
WHITE
UL1015 AWG20 x 2
UL1007 AWG24 x 4
BLACK
YELLOW
ORANGE
RED
BROWN
UL1430 AWG24 x 2
WHITE
BLACK
GRAY or WHITE
BLACK
UL3271 AWG14 x 2 UL3271 AWG20 x 2
BLACK
WHITE
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
RED
RED
BROWN
BROWN
BLUE
BROWN
BROWN
BLUE
BLACK
BLACK
2
3
1
4
+
-
D100
D25XB60
TM101
TM102
W12
B
W13
B
W8
B
W7
B
W17
B
W16
B
TM301
TM302
W306
B
W307
B
TM305
TM303
TM304
CN40
1971032-9
WHITE
I P M CONTROL
CN42
1971032-5
WHITE
REVERSE CURRENT
CN200
1-1747052-2
RED
VDC I N
CN400
1-1971032-4
RED
ACTPM CONTROL
CN1
1871843-2
WHITE
POWER RELAY CONTROL
CN110
3-1747052-4 ( G I C7.92-2P )
YELLOW
VAC I N 1
TM601 TM600
REVERSE CURRENT
CN303
1971032-5
WHITE
I P M CONTROL
CN301
1971032-9
WHITE
CN801
B5 ( 7-2.3 ) B-XASK-1-A
WHITE
CN700
B6B-XARK-1-A
RED
CN500
1747052-1
WHITE
CN90
1-1871843-2 ( G I C2.5-2P )
RED
CN64
2-1971032-3
BLUE
CN62
1971032-3
WHITE
CN63
3-1971032-3
YELLOW
CN65
1-1971032-3
RED
L1 L2
P
N1
+
-
W4
B
SERIAL
RED
W19
B
W20
B
CT I N / OUT
W9
B
W21
BCT100 W25
B
W26
B
W29
B
W28
B
PTC THERMISTOR
( AOU24RLXFW Only )
ZPR0YCE400A300
F101
5A
250V
W3
B
W18
B
W17
B
W1
B
W2
B
EARTH
1
2
3
L
N
POWER SOURCE
AC208 - 230V
60Hz
TO I NDOOR UNIT
M
DC FAN MOTOR
ELECTRIC EXPANSION VALVE
4-WAY VALVE
PRESSURE SWITCH
THERMISTOR ( COMPRESSOR TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( DISCHARGE TEMP. )
THERMISTOR ( PIPE TEMP. )
C. M.
CHOKE COIL
L=0.32MH 30A
CAPACITOR PCB ASSEMBLY
AOU18R : K05FB-0902HUE-P0
AOU24R : K05FB-0903HUE-P0
( AOU24RLXFW Only )
TRANSISTOR PCB ASSEMBLY
( I P M )
AOU18R : K07BT-0905HUE-TR0
AOU24R : K07BT-0906HUE-TR0
I C404
( ACTPM )
PM601BSG
POWER SUPPLY PCB ASSEMBLY
AOU18RLXFW : K09DH-1001HUE-FL0
AOU24RLXFW : K09DH-1002HUE-FL0
F100
5A
250V
CONTROLLER PCB ASSEMBLY ( MAI PCB )
AOU18RLXFW : K07BS-100WHUE-C1
AOU24RLXFW : K07BS-100YHUE-C1
RED
BLACK
WHITE
YELLOW
BROWN
F. M.
7
INVERTER ASSEMBLY
AOU18RLXFW : EZ-01019HUE
AOU24RLXFW : EZ-0101AHUE
OUTDOOR PCB
CIRCUIT DIAGRAM
2010.12.22 9

5
4
3
2
1
5V
5V
R40
10k
<1/10W>
D670
DAN217U
3
21
R41
1.0k
<1/10W>
C42
1000p
<B>
C670
0.1
<F>
R674
1.0k
<1/10W> R84
1.0k
<1/10W>
5V
R85
4.7k
<1/10W>
C74
470p
<CH>
5V
I C1
MB90467
17
16
2
35
3
59
58
60
21
34
47
27
28
29
30
31
32
33
57
41
42
43
44
10
9
8
7
5
6
4
22
23
2
13
49
24
13
48
19
1
61
62
63
64
20
18
15
14
55
54
53
52
51
50
46
45
12
39
38
37
36
40
26
25
11
56P63
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
VCC
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
X1
4.00MHz
<FCR>
R11
1.0k
<1/10W>
C11
0.1
<F>
R10
100k
<1/10W>
C12
0.1
<F>
5V
I C10
BU4842F
2
1
3
4
VDD
OUT
NC
GND
JM102
JM103
JM101
R903, R902, R901
10k <1/10W> x 3
5V
R6
1.0k
R7
10k
<1/10W>
5V SW2
KSHC611BT
I C30
M93C66 5V
C30
0.1
<F>
R31
10k
<1/10W>
15V
C43
0.1
<F>
-8V
A
A
A
18V
D12
1SS355
I C5
7818
D6
D1FL20U
+
C9
220/
50V
C19
0.1 <F>
+C10
10/50V
D1FL20U x 3D7
D8
D9
15V
C13
330/25V
+12V
+
1
2
3I
G
O
1 3
2
I
G
O
++
5V
D13
1SS355
T1
RPZ-1F
10
9
8
7
6
1
2
3
4
5
I C3
TOP243PN
D5
UF4005
R19
0R0
R12
0R0
C8
2200p
<E>
R18
150k
<2W>
R14
560k
<1/8W>
1%
15V
R15 - R17
510k
<1/8W>
1%
x 3
C211
33/
450V
+
1
2
3
4
8
7
5
M
S
S
C
S
S
D
+
R13
47
<1/10W>
C6
47/
35V
D4
1SS355
D2
1SS355
D3
UDZS8.2B
C7
0.1
<F>
F201
3.15A - 250V
R900
10k
<1/10W>
C1
0.1
<F>
12V D1
SLR-332VR
<RED>
R3
2.2k
<1/10W>
C5
0.1
<F>
12V
I C2
uLN2003ADR
16
15
14
13
12
11
10
98
7
6
5
4
3
2
11C
2C
3C
4C
5C
6C
7C
COM
1B
2B
3B
4B
5B
6B
7B
E
C2, C3
0.1 <F> x 2
5V
C4
10/
25V
+
R4
10k
<1/10W>
5V
JM2
R2
10k
<1/10W>
5V
U
X
V
Y
W
Z
D10
1SS355
-8V
+C18
100/
25V
C14
470/
25V
R26 10k
<1/10W>
C22
0.1
<F>
C15
100/
25V
C17
100/
25V
C16
0.1
<F>
I C4
7805
C601
0.1
<F>
R603
22k
<1/10W>
R601
1.0k
<1/10W>
1%
R602
4.75k
<1/10W>
1%
+
C600
220/
25V
<A>
R600
1.0k
<1/10W>
1%
D600
DAN217U
5V
CT600
CT-1B 1
2
3
3
5 2
1
18 14 10 5 4 3 21
54 3 21
6
7
85V
5V
F110
T 3.15A 250V
FH110 FH111
PFC5000-0502 x 2
C21
0.01
<B>
R23
1.0k
<1/10W>
Q200
2SC2412K
<BQ>
R24
1.0k
<1/10W>
R21
27k
<1/10W>
R20
10k
<1/10W>
C20
0.022
<B>
R22
1.0k
<1/10W>
1
3
2
1
3
2
4
K500
G5NB-1A
JM501
12V
JM502
JM504
CR500
RE1202
0.2/120
12V
L80015V 15V
C802
0.1
<F>
R800
27k
<1/10W>
R801
22k
<1/10W>
+C800
4.7/
50V
5V 5V
D800
DAN217U
C801
0.01
<B>
R803
1.0k
<1/10W>
Q801
DTA143EUA
Q800
DTC143EUA
R802
10k
<1/10W>
3
1
2
3
1
2
3
2 1
R90
1.0k
<1/10W>
C90
0.1
<F>
5V
R91
2.2k
<1/10W>
H Y I C 2 0 H U 2 0 0 1 R 3
L60
BL02Rn1
L90
BL02Rn1
5V
R62
10k
<1/10W>
R60
10k
<1/10W>
R64
10k
<1/10W>
R69
10k
<1/10W>
C62
0.1
<F>
C61
0.1
<F>
C63
0.1
<F>
R68
13k
<1/10W>
R65
38.3k
<1/10W>
1%
R61
13k
<1/10W>
C60
0.1
<F>
R63
4.75k
<1/10W>
1%
18V 18V
D11
ZP1027-TP
C400
0.01
<F>
Q400
DTA143EUA
R401
22k
<1/10W>
R30
10k
<1/10W>
C401
1000p
<B>
Q401
DTC143EUA
AA
5V
2
1
3
2
3
1
R403, R402
270
<1/10W>
1% x 2
5V
R952, R951, R950
10k <1/10W> x 3
R954
1.0k
<1/10W>
R955
22k
<1/10W>
ACTPM CONTROL
CN400
1-1971032-4
RED
4
3
2
1
WN
VN
UN
WP
VP
UP
-8V
+15V
I PM CONTROL
CN40
1971032-9
WHITE
9
8
7
6
5
4
3
2
1
CN42
1971032-5
WHITE
1
2
CN200
1-1747052-2
RED
DC VOLT I N
TM601
TM600
CN110
3-1747052-4
YELLOW
AC VOLT I N
2 L
1 N
SERIAL
B
W4
RED
SELIAL
CN500
1747052-1
WHITE
CN1
1871843-2
WHITE
POWER RELAY CONTROL
1
2
1
4
5
6
7
CN801
B5 ( 7-2.3 ) B-XASK-1-A
WHITE
DC FAN MOTOR
THERMISTPR ( PIPE TEMP. )
THERMISTPR ( DISCHARGE TEMP. )
CN62
1971032-3
WHITE
CN64
2-1971032-3
BLUE
THERMISTPR ( OUTDOOR TEMP. )
THERMISTPR ( COMPRESSOR TEMP. ) 3
2
1
3
2
1
2
1
P-FANPWM
P-FAN-I N
P-SO
P-PR
P-LED
P-V4-DC
P-V4-AC
P-DBG-4
P-AN-TE
P-AN-TD
P-AN-TA
P-POWER
P-S I
P-AN-CT
P-S I
TRES
TCK
TRXD
TMODE
P-E2P-D I
P-EPV-A
P-U
P-X
P-V
P-Y
P-W
P-Z
P-POWER
P-E2P-SK
TAUX
P-TTR I P-FO
P-AN-DC
P-POS
P-U
P-V
P-W
P-X
P-Y
P-Z
P-E2P-CS
P-E2P-SK
P-E2P-D I
1
2
3
75
6
4
8CS
SK
D I
NC
VCC
DO
TEST
GND
TAUX
TTXD
TRXD
TMODE
TAUX3
TCK
TRES
P-FAN-I N
P-DBG-4
P-FANPWM
P-AN-CT
TTXD
TAUX3
P-POS
P-V4-AC
P-V4-DC
P-LED
P-PR
P-SO
P-TTR I P-FO
P-E2P-CS
P-EPV-B
P-EPV-D
P-EPV-C
P-AN-DC
P-AN-TE
P-AN-TA
P-AN-TD
I C700
TD62064
12V
C700
0.1
<F>
R703
R702
R700
R701
1.5k <1/10W> x 4
2
7
9
16
4
5
12
13
3
6
11
14
1
8
10
15
O1
O2
O3
O4
GND1
GND2
GND3
GND4
I 1
I 2
I 3
I 4
COM1
COM2
NC1
NC2
P-EPV-D
P-EPV-C
P-EPV-A
P-EPV-B
ELECTRIC EXPANSION VALVE A
CN700
B05B-PL I SK-1
1
2
3
4
5
12V
JM503
CN90
1-1871843-2
RED
1
2
PRESSURE SWITCH
CN65
1-1971032-3
RED
CN63
3-1971032-3
YELLOW
3
2
1
3
2
1
C65
0.1
<F>
C91
0.01
<F>
4-WAY VALVE
R956, R953
10k <1/10W> x 2
R52
10k
<1/10W>
5V
C49
0R0
REVERSW CURRENT
5V
R645
10k
<1/10W>
R651
10k
<1/10W>
5V
P_SW_PRS
P_SW_PRS
P_AFS
P_AFS
P_AN_CP
P_AN_CP
SERVICE JUMPER
2010.10.19 10
OUTDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
AOU18RLXFW : K07BS-100WHUE-C1
AOU24RLXFW : K07BS-100YHUE-C1

37
23
22
21
24
25
26
27
28
36
35
34
33
32
31
38
13
15
20
16
18
7
9
10
12
1
3
4
6 UP
VP1
VUFB
VUFS
VP
VP1
VVFB
VVFS
WP
VP1
VNO
VWFB
VWFS
NC
NW
NV
NU
W
V
U
P
WN
VN
UN
FO
CFO
C I N
VNC
VN1
-
+
75
6
+
-
1
3
2
3
21
3
21
I PM-G
I PM-G
I PM-G
POWER-GND
POWER-G
R55
0R0
C50
0R0
I P M-GND
I C70-2
BA2903F-E2
C161
0.1
<X7R>
D100
LL25XB60
I C301
AOU18RLXFW : PS21765
AOU24RLXFW : PS21767
C324
C325
C326
0.1 <F>
x 3
R360
68
<1/4W>
C311 - C316
1000p <B> x 6
I P M-GND
R80
5.6k
<1/10W>
1%
R108
4.3k
<1/10W>
1%
R81
33k
<1/10W>
1%
R107
39k
<1/10W>
1%
C72
470p
<B>
I P M-GND C73
330p
<B>
C71
0.1
<F>
C70
10/
25V
+
I C70-1
BA2903F-E2
15V D70, D71
DAN217Ux 2
C300
0.1
<F>
-8V
15V
C301
0.1
<F>
+
C308
47/
35V
I P M-G
9
8
7
6
5
4
3
2
1
+15V
-8V
UP
VP
WP
UN
VN
WN
L70
R71
150k
<1/3W>
1%
R70
120k
<1/3W>
1%
R69
120k
<1/3W>
1%
R77
143
<1/10W>
1%
R76
5.76k
<1/10W>
1%
470
<1/10W>
x 6
R316
R317
R318
R319
R320
R321
120k
<1/3W>
1% x 6
R68
R65
R62
R67
R64
R61
R66
R63
R60
150k
<1/3W>
1% x 3
R304
0R0
C332
0.1
<F>
+
C302
100/
35V
L300
BL02Rn1
15V
C327
0.022
<F>
C330
100p
<B>
D307
ZP1027-TP
1
2
3
4
5
2
3 4
1
+
-
W306
B
WHITE
P
N
POWER-G
CN301
1971032-9
WHITE
D301 - D303
US1J x 3
C323
C322
C321
0.22
<F>
x 3
C305
C304
C303
+
+
+
47/
35V
x 3
CN303
1971032-5
WHITE
TM101
ORANGE
TM102
BROWN
TM301
YELLOW R284, R285, R302
0.04 <5W> x 3
R312
820
<1/10W>
TM305 RED
U
TM304 WHITE
V
TM303 BLACK
W
TM302
BLUE
OUTDOOR UNIT
TRANSISTOR PCB ASSEMBLY ( I P M PCB )
AOU18RLXFW : K07BT-0905HUE-TR0
AOU24RLXFW : K07BT-0906HUE-TR0
2010.10.13 11
W307
B
BLACK
W16
B
RED
W17
B
BLACK

12V
K101
G4A-1A
or
DW12D1
C108
3.3
<LE>
L102
N200500K1D7C-02N
R101
ZPR0RCH400
PTC THERMISTOR
12V
L101
RCH3818-022PF07
C106
3.3
<LE>
43
1 2
3
2
4
1
43
L100
RCH3818-022PF07
1 2
C103
3.3
<LE>
C104, C105
0.022
<YE>
x 2
C100
3.3
<LE>
SA100
RA-302M
VA100, VA101
470V
<TNR>
x 2
F101
5.00A
250V
F100
5.00A
250V
CN100
172520-2
POWER RELAY CONTROL
W28
B
ORANGE
W29
B
BROWN
1
2
W1
B
BLACK
W2
B
WHITE
W17
B
BLACK
W18
B
WHITE
W3
B
GREEN
W19
B
BLACK
W20
B
WHITE
N
L
N
TO I NDOOR UNIT
EARTH
AC VOLT OUT
C101, C102
0.033
<YE>
x 2
L
POWER SOURCE
W21
B
GRAY
CT OUT
W9
B
BLACK
2010.12.22 12
OUTDOOR UNIT
AOU18RLXFW
POWER SUPPLY PCB ASSEMBLY
K09DH-1001HUE-FL0

12V
K101
G4A-1A
or
DW12D1
C108
3.3
<LE>
L102
N200500K1D7C-02N
12V
L101
RCH3818-022PF07
C106
3.3
<LE>
43
1 2
3
2
4
1
43
L100
RCH3818-022PF07
1 2
C103
3.3
<LE>
C104, C105
0.022
<YE>
x 2
C100
3.3
<LE>
SA100
RA-302M
VA100, VA101
470V
<TNR>
x 2
F101
5.00A
250V
F100
5.00A
250V
CN100
172520-2
POWER RELAY CONTROL
W25
B
ORANGE
W26
B
ORANGE
PTC OUT
W28
B
ORANGE
W29
B
BROWN
1
2
W1
B
BLACK
W2
B
WHITE
W17
B
BLACK
W18
B
WHITE
W3
B
GREEN
W19
B
BLACK
W20
B
WHITE
N
L
N
TO I NDOOR UNIT
EARTH
AC VOLT OUT
C101, C102
0.033
<YE>
x 2
L
POWER SOURCE
W21
B
GRAY
CT OUT
W9
B
BLACK
2010.12.22 13
OUTDOOR UNIT
AOU24RLXFW
POWER SUPPLY PCB ASSEMBLY
K09DH-1002HUE-FL0

W7
B
YELLOW
W8
B
BLUE
W12
B
WHITE
W13
B
VIOLET
P
N
+
+
+
C200 - C202
660/
450V
x 3
POWER_G
W7
B
YELLOW
W8
B
BLUE
W12
B
WHITE
W13
B
VIOLET
P
N
+
+
POWER_G
AOU24RLXFW
CAPACITOR PCB ASSEMBLY
K05FB-0903HUE-P0
OUTDOOR UNIT
AOU18RLXFW
CAPACITOR PCB ASSEMBLY
K05FB-0902HUE-P0
2010.10.13 14
C201
660/
450V
C203
660/
450V

Wired remote
control
error code
ECONOMY
(Green)
TIMER
(Orange)
OPERATION
(Green)
Indoor room thermistor error
Indoor unit main PCB error
Connection unit number error
Connection disabled (series error)
Scan error
Indoor unit capacity error
Initial setting error (for simultaneous multi)
Remote controller communication error
LED
Serial communication error
Water drain error
Indoor unit fan motor error
Indoor unit error
Inverter PCB error
Active filter error, PFC circuit error
Discharge thermistor error
Compressor thermistor error
Outdoor unit heat Ex. thermistor error
Outdoor thermistor error
Suction gas thermistor error
Heat sink thermistor error
Sub-cool heat Ex.gas thermistor error
Liquid pipe thermistor error
Current sensor error
Compressor motor control error
Outdoor unit fan motor 1 error
4-way valve error
Compressor temperature error
Pressure error 2
Discharge temperature error
Pressure sensor error (Pressure sensor or switch error)
Trip detection
Communication error
Field setting error
Indoor unit PCB, switch error
Indoor unit sensor error
Indoor unit actuator error
Outdoor unit PCB error
Outdoor unit sensor error
Outdoor unit sensor 2 error
Outdoor unit actuator error
Refrigerant circuit error
Manual auto switch error
Pressure error 1
Indoor heat Ex. thermistor error
Damper error
IPM error
Outdoor unit main PCB error
Display panel error
Operation valve thermistor error
Mater unit and slave unit setting error
System error
Circuit parts error
Switch error
32
24
23
15
35
22
21
12
11
41
42
53
51
5U
62
63
6A
71
72
73
74
76
77
82
83
84
94
95
A5
86
97
A1
A4
99
27
57
64
65
75
A3
General section Detail section
ERROR DETECTION
INDOOR UNIT
(4)
(3)
(3)
(2)
(2)
(1)
(2)
(2)
(1)
(1)
(4)
(6)
(5)
(5)
(6)
(7)
(7)
(6)
(7)
(7)
(7)
(7)
(8)
(8)
(8)
(8)
(9)
(9)
(9)
(9)
(10)
(10)
(10)
(2)
(5)
(6)
(6)
(7)
(10)
(2)
(5)
(2)
(4)
(2)
(5)
(3)
(1)
(2)
(1)
(1)
(2)
(3)
(1)
(3)
(2)
(1)
(4)
(3)
(4)
(5)
(7)
(3)
(4)
(2)
(6)
(7)
(5)
(4)
(9)
(5)
(3)
(1)
(7)
(7)
(5)
(10)
(6)
(4)
: 0.5s ON / 0.5s OFF
( ) : Number of flashing
: 0.1s ON / 0.1s OFF
2010.12.22 15

9305642045
Remote control
holder
Name and Shape Part number
9315023018
9379219013
0600185541
0700076046
9310519004
UTR-FA13-1
9312153060
UTR-FA13-2
9311925071
Remote control
Battery (penlight)
Cloth tape
Tapping screw (big)
Wall hook bracket
ACCESSORIES
9368568009
9301102000
313166024302
Tapping screw (small)
0700019036
Air cleaning filter
Air cleaning filter
frame
Drain pipe (Outdoor unit)
Drain cap (Outdoor unit)
2010.12.22 24

1011G3847