General AUH54L, AUH54LUAS, AOH54LJBYL Service Manual
SPLIT TYPE
AIR CONDITIONER
CASSETTE
Models
Indoor unit Outdoor unit
type
AUH54LUAS AOH54LJBYL
(50Hz)
CONTENTS
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . 4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . 5
. . . . . . 8OUTDOOR PCB CIRCUIT DIAGRAM
ERROR CONTENTS . . . . . . . . . . . . . . . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . . . . 13
PARTS LIST. . . . . . . . . . . . . . . . . . . . . . . . . . 21
STANDARD ACCESSORIES . . . . . . . . . . . . . 23
11
7INDOOR PCB CIRCUIT DIAGRAM . . . . . . . .
SPECIFICATIONS
TYPE
COOLING & HEATING
NOISE LEVEL
HIGH-SPEED
50.0 dB
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
ELECTRICAL DATA
POWER SOURCE
COOLING
RUNNING CURRENT
HEATING
COOLING
INPUT WATTS
HEATING
COOLING
E.E.R.
HEATING
STARTING CURRENT
MOISTURE REMOVAL
AIRCIRCULATION-High
AUH54LUAS
AOH54LJBYL
13.3 kW
16.0 kW
230V 50Hz
23.8 A
21.6 A
5.45 kW
4.95 kW
2.44 kW/kW
3.23 kW/kW
15 A
5.5 L/hr
1,700 m3/hr
INDOOR UNIT MED-SPEED
LOW-SPEED
COOL
OUTDOOR UNIT
HEAT
Note : Static pressure : 30Pa
Duct length : Inlet 1m, Outlet 2m
48.0 dB
45.0 dB
54.0 dB
55.5 dB
REFRIGERANT CHARGE (R410A)
MAX PIPE LENGTH
MAX PIPE HEIGHT
PIPE LENGTH
FULL CHARGE AMOUNT
ADDITIONAL REFRIGERANT
20 m
30 m
40 m
50 m
60 m
70 m
70 m
30 m
3,400 g
3,800 g
4,200 g
4,600 g
5,000 g
5,400 g
40 g / m
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
FAN MOTOR
DISCRIMINATION
HI-SPEED
INDOOR UNIT MED-SPEED
LO-SPEED
S-LO-SPEED
DISCRIMINATION
OUTDOOR
UNIT
UP FAN
DOWN FAN
DIMENSIONS
Hermetic type, 6 poles,
Inverter, Scroll
ANB33FCMMT
3,400 g
MFA-54PZM
680 r.p.m.
580 r.p.m.
500 r.p.m.
300 r.p.m.
MFE-60PO
850 r.p.m.
750 r.p.m.
INDOOR UNIT H x W x D
H x W x DOUTDOOR UNIT
296 x 830 x 830 mm
1,290 x 900 x 330 mm
WEIGHT
INDOOR UNIT GROSS / NET
GROSS / NETOUTDOOR UNIT
2006.03.07 1
55 kg / 40 kg
112 kg / 105 kg
DIMENSIONS
(Unit : mm)
INDOOR UNIT
Model : AUH54LUAS
940
Drain Inside Dia. 32
Outside Dia. 37
305.5 248.5
298.5
30
940
750
298.5
120
(Small pipe)
(Large pipe)
150
305.5 248.5
296
750
120
150
(Large pipe)
(Small pipe)
60
(Drain pipe)
285
2006.03.07 2
60
(Drain pipe)
250
OUTDOOR UNIT
Model : AOH54LJBYL
(Unit : mm)
3177900 330 12
1290
21
9
400
650
Air Flow
370
2006.03.08 3
REFRIGERANT SYSTEM DIAGRAM
Models : AUH54LUAS / AOH54LJBYL
OUTDOOR UNIT
Condenser
High Pressure
Switch
Muffler
Pressure
Check Valve
4-way
Valve
Compressor
Expansion
Valve
INDOOR UNIT
Refrigerant Pipe
15.88mm (5/8")
Charging
Valve
Evaporator
Accumulator
Strainer
Refrigerant Pipe
9.52mm (3/8")
Strainer
Strainer
: COOL
: HEAT
2006.01.27 4
Charging Valve
CIRCUIT DIAGRAM
Model : AUH54LUAS
TO REMOTE
CONTROL UNIT
TERMINAL
1
23
L
N
GREEN
RED
WHITE
BLACK
Use T 3.15A-250V
FILTER BOARD
Fuse on F101
1
2
3
BLACK
WHITE
1
2
3
GRAY
1 2
1 2
CN7
THERMISTOR
( PIPE TEMP. )
THERMISTOR
( ROOM TEMP. )
BLACK
1 2
1 2
CN8
BLACK
CN4CN10
1 1
2
2
FAN MOTOR
CAPACITOR
WHITE
WHITE
GRAY
CN17
STEPPING
MOTOR
CONTROL BOARD
1
2
3
5
BROWN
1
RED
2
ORANGE
3
YELLOW
454
WHITE
1
2
3
5
BROWN
1
RED
2
ORANGE
3
YELLOW
454
WHITE
M
FLOAT
1
1
CN1CN3
2
2
3
3
BLACK
1
1
2
2
BLACK
3
3
CN15CN6CN5
1
2
3
1
2
3
SWITCH
BLACK
BLACK
1 1
2 2
BLACK
WHITE
RED
GRAY
GRAY
1 2 3
THERMAL
FUSE 102 C
TERMINAL
TO OUTDOOR UNIT
2006.03.08 5
1 1
2 2
1
3
5
1
3
5
BLACK
BLACK
BLACK
WHITE
RED
DRAIN PUMP
MOTOR
YELLOW
121
YELLOW
2
2
2
1
1
FM
3
3
M
FAN
MOTOR
Model : AOH54LJBYL
CHOKE
COI L
RED
COMPRESSOR
U
V
W
BLACK
TERMINAL
EMI FILTER
RELAY
BLACK
CONNECTOR
WHITE
WHITE
BROWN
2T
GRAY
BROWN
THERMISTOR
( DISCHARGE )
1
2
3
4
5
1 2
CN21
U
W305
V
W304
W
W303
CN407
EMI FILTER
RED RED
WHITE
BLACK
ACTIVE
FILTER
MODULE
1T
BROWN
1
RED
2
ORANGE
3
4
5
YELLOW
6
BLACK
THERMISTOR
(PIPE )
1
2
CN22 CN23 CN26 CN25
F4 T 3.15A 250V
L1
L2
P
N
YELLOW
BLUE
W14
W15
EMI FILTER
2T
WHITE
VIOLET
RED
BLACK
W107
W108
DIODE BRIDGE
GRAY
EMI FILTER
2T
WHITE
BLACK
TM102
TM101
W3
BLUE
THERMISTOR
(OUTDOOR )
1
2
BROWN
THERMISTOR
(COMPRESSOR )
THERMISTOR
1
2
FUSE
PRINTED
CIRCUIT
BOARD
(MAIN)
1 2 3 1 2 3
BROWN
BLACK
1 2 3
CN1
CN34CN1
4
RED
BLACK
WHITE
W9W8
PRINTED CIRCUIT
BOARD (FILTER)
W6 W7 W1
(HEAT SINK )
1
CN37
CN30
CN800
CN801
CN27
W200
W2
BLACK
2
1
2
1
2
3
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
HIGH PRESSURE SW
RED
BLACK
BLACK
RED
BLACK
WHITE
YELLOW
BROWN
RED
BLACK
WHITE
YELLOW
BROWN
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
4WV
EV
SOLENOID
COIL
FM
FAN MOTOR 1
FM
FAN MOTOR 2
EXPANSION
VALVE COIL
EMI FILTER
3T
TERMINAL
EMI FILTER
ORANGE
ORANGE
1T
EARTH
POSISTOR
2006.03.08 6
BLACK
GREEN
WHITE
FUSE
10A
1 3 L
( N )
BLACK
WHITE
RED
2
N
EARTH EARTH
INDOOR PCB CIRCUIT DIAGRAM
Model : AUH54LUAS
C6
R5 62K
4700P
<RS - 2W>
<ECQM>
R7 330
<1/4W>
C103
0.01
<KH>
C104
0.01
<KH>
JM5
D5
1SR139-600
D10
1SR139-600
C7 0.047
<ECQB>
D2
D1FL20U
D3
MTZJ5.1B
C105
0.022
<YE>
C106
0.022
<YE>
CN6
B2P3-VH-B-E
BLUE
NO.1
NO.2
NO.3
+
JM8
CN6-2
CN6-1
SW1
DSS803
R6 100
<1/2W>
D4
D1FL20U
C8
100/
6.3V
C101
0.22
<LE>
THERMAL FUSE
GRAY
UL1015 AWG18 BLACK
UL1015 AWG18 WHITE
OUTDOOR UNIT
GRAY
CN3-2
CN3-1
CN3
53406-9910
TM101
TM102
UL1015
AWG16
GREEN
FAN CAPACITOR
8uF 400VAC
UL1015 AWG18 RED
TERMINAL BOARD
1
2
3
POWER SOURCE
230V
50Hz
R1 3.3
<RC - 5W>
F101
L
3.15A
<BET>
FH102
FH101
N
SA101
RA-362M
E101 W103 W104
F M
FAN MOTOR
E
D1
D3SB60
C5
+
100/
450V
VA102
470V
<TNR>
VA101 470V
<TNR>
K01AL-040GHSE-PO SERIES POWER PWB
UL1015
AWG18
UL1015 AWG18 WHITE
UL1015 AWG18 RED
UL1015 AWG20
WHITE
UL1015 AWG20
WHITE
UL1015 AWG20
BLACK
UL1015 AWG20
WHITE
UL1015 AWG20
RED
BLACK
DRAIN PUMP
M
YELLOW
YELLOW
R4 330K
<SPRH - 2W>
Q1
2SC4236
R3 100
<1/10W>
R2 1.5
<RS - 2W>
ELF20N018A
C102
0.22
<LE>
LF101
CN1
B3P5-VH-B-C
BLACK
CN4
B2P3-VH-B-Y
YELLOW
Q2
2SC1815
CN1-1
CN1-2
CN1-3
CN4-1
CN4-2
CN5-1
CN5-2
CN5-3
CN5
B3P5-VH-B
UL1015 AWG22
BLACK
UL1015 AWG22
BLACK
CUSTOM CODE CHANGER
CUSTOM CODE CHANGER
CUSTOM CODE CHANGER
SWITCHING TRANSFORMER
T1
ZFT29B01
PRIMARY
K4
G5NB-1A
DC12V
C3 0.22 <RE>
R88 120
<RS - 1/2W>
CN9 B5P-SHF-1AA
CN9-1
CN9-2
TEST
AUTO RESTART
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
CN9-3
CN9-4
CN9-5
R15 - R17
10K <1/10W> x 3
D6
D2FL20U
R8 10K
<1/10W>
SECONDARY
C54
0.01
<F>
VA1 470V
<TNR>
18
14
10
5V
10K <1/10W> x 4
R93 R94 R95 R96
SSR1
G3MC-202PL-VD
5V
5V
R39
R38 R37
JM1
JM2
JM3
14V
C9
+
1000
/25V
R29 - R32
10K <1/10W> x 4
C
SW2
DRS4016-5
I C10 H I 2002
+
-
VA2 470V
<TNR>
10K <1/10W> x 3
I C11-1
BA10358
1
5V
R18 - R20
1.0K <1/10W> x 3
I C2
12V
7812
O
I
G
C11
+
10/
25V
I C3
7805
I
8
4
2
1
5V
O
G
C13
0.1
<F>
R35 1.0K <1/10W>
R36 1.0K <1/10W>
5V
1
4
C17
0.01
<F>
14V
NC
NC
NC
K 4
R21 - R24
10K <1/10W> x 4
R25 - R28
1.0K <1/10W> x 4
R42 1.0K <1/10W>
R41 1.0K <1/10W>
R40 1.0K <1/10W>
3
+
2
-
C21
0.01 <F> x 3
10K <1/10W> x 4
C14
100/
6.3V
R97
R98
C15
+
0.1
<F>
R59
5V
NC
R33 1.0K <1/10W>
R34 1.0K <1/10W>
C29
C28 C27 C26
0.01 <F> x 4
10
7
I C5 (1/7)
uPA2003GR
R14 10K
5
<1/10W>
2
3
5V
R10
10K
<1/10W>
14V
11 6
12
13 4
14 3
15 2
Q3
DTC124EKA
9
5
8
I C5 (5/7)
uPA2003GR
C22 - C25
0.01 <F> x 4
C30
R9 390
<1/10W>
0.01 <F> x 3C10 C12
R99
C47
0.1
<F>
CR1
0.01
<F>
C19C20
JM10
CR6
0.01
<F>
1
2
3
54
55
66
65
74
68
75
7
4
67
33
71
72
56
57
58
59
41
42
63
40
39
38
37
36
43
44
45
46
19
20
21
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
I C 1
P15
P16
P17
uPD780058BGC
-131-8BT-A
P122
P123
P05
P04
VDD0
VDD1
AVRF0
AVRF1
AVSS
VSS0
VSS1
I C
XT2
P124
P125
P126
P127
P65
P66
P02
P64
P63
P62
P61
P62
P67
P30
P31
P32
P40
P41
P42
70
1
2
P10
P11
P70
P71
P72
P131
P46
P24
P23
P47
P57
P56
P50
P27
P26
P25
P22
P21
P20
P130
P00
P121
P36
P33
P01
P55
P120
P37
P35
P34
P03
P12
P13
P14
P52
P53
P54
P45
P44
P43
XT1
P51
RESET
X2X1
69
3
X1
CSTS0500MG03-T
76
C32
1000P
<R>
77
C35
1000P
<R>
8
9
10
6
25
15
14
26
R100 10K <1/10W>
35
34
27
18
17
16
13
12
11
5
61
10
53
7
11
6
50
16
1
47
5V
C41
+
10/
25V
62
CR5
1000P
<R>
32
52
51
49
48
64
78
79
80
29
NC
CR2 CR3 CR4
30
NC
31
NC
10K <1/10W> x 3
24
23
22
C31
0.01
<F>
73
28
NC
R55
10K
<1/10W>
60
C44
0.1
<F>
K01AL-0503HSE-C1
R44 1.0K
<1/10W>
R46 1.0K
<1/10W>
R50 10K <1/10W>
4
DO
D I
3
CK
2
1
CS
I C7 BR93L46RF
R77 - R79
10K <1/10W> x 3
R58 10K <1/10W>
R75 10K <1/10W>
R76 10K <1/10W>
1 16
7 10
5 12
14V
9
13
4
3
2
15
1
8
I C4 (7/7)
uPA2003GR
R57 1.0K
<1/10W>
R56
I C6 (3/7)
uPA2003GR
B Z
C42 0.01
<F>
R54 47
<1/10W>
5
12
4
13
3
14
2
15
R81 1.0K <1/10W>
R72 1.0K <1/10W>
R53 10K
<1/10W>
R71 1.0K <1/10W>
C16
C43
0.01
0.01
<F>
<F>
RJ1 1.0K
<1/10W>
C49
5V
0.01
<F>
3
I C8
PST600C
5V
8
VCC
7
NC
C39
0.1
NC
6
<F>
GND
5
I C5 (1/7) uPA2003GR
116
NC
14
NC
NC
16
R60
NC
10K
<1/10W>
Q5
2SC2712
14V
BZ1
PKM13EPY-4000
5V
C40
0.01
<F>
I C6 (4/7)
uPA2003GR
CR7
0.01
<F>
R70 R69 R80
5V
RJ2
10K
<1/10W>
CN15-1
CN15-2
C45
0.1
<F>
CN15-3
5V
1
2
NO3 FAN DELAY CHANGER
(HEATING OPERATION)
NO2 FAN CHANGER
NO1 REMOTE CONTROL
FUNCTION REVERSED
5V
5V
R43 10K
<1/10W>
(1%)
R45 49.9K
<1/10W>
(1%)
R61 10K
<1/10W>
3
2
R49 1.0K
<1/10W>
C38
0.01
<F>
14V
CN10-1
CN10-2
CN10-3
CN10-4
CN10-5
CN10
B5B-XASK-1-A
1
Q6
2SC2712
5V
C34
0.1
<F>
C37
0.1
<F>
Q4
DTC124EKA
UL1430 AWG28
R63 15.4K
<1/10W>
(1%)
3
2
R65 390
<1/10W>
5V
R68 10K
<1/10W>
NO.3
NO.2
NO.1
UL1430 AWG22
BLACK
UL1430 AWG22
BLACK
R52
10K
<1/10W>
C1 0.1
<F>
R51 1.0K
<1/10W>
R67 1.0K
<1/10W>
5V
10K <1/10W>
x 3
SW4
DSS803
CN15 B3B-XARK-1-A RED
CN14
B4B-XH-AM
R47 390
5V
<1/10W>
5V
R48
10K
<1/10W>
BROWN BROWN
RED RED
ORANGE ORANGE
YELLOW YELLOW
WHITE WHITE
R64 28K
<1/10W>
(1%)
12V
1
R62 4.7K
<1/10W>
I C11-2
BA10358
12V
7
D7
DA226U
5
+
6
-
5V
FLOAT SWITCH
BLACK
BLACK
CN14-4
CN14-3
CN14-2
CN14-1
12V
HA
JEM-A
12V
L2 0.022
<DSS306>
R66 10K
<1/10W>
5V
CN8
CN7
L4 0.022
<DSS306>
B2B-XASK-1-A
CN8-1 BLACK
CN8-2 BLACK
CN7-1 GRAY
CN7-2 GRAY
B2B-XAKK-1-A BLACK
M
CN17 B3B-XAKK-1-A BLACK
CN17-1
CN17-2
CN17-3
L3 0.022
<DSS306>
LOUVER
( UP / DOWN )
UL1430 AWG22 RED
UL1430 AWG22 WHITE
UL1430 AWG22 BLACK
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
TERMINAL BOARD
3 2
1
REMOTE CONTROL UNIT
2006.03.07 7
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