SPLIT TYPE AIR
CONDITIONER
DUCT
Models
Indoor unit
ARH45LUAK
ARH45LUAK
ARH54LUAK
ARH54LUAK
type
(50Hz)
Outdoor unit
AOH45LJAYL
AOH45LJBYL
AOH54LJAYL
AOH54LJBYL
CONTENTS
SPECIFICATIONS
OUTLINE AND DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
CIRCUIT DIAGRAM
PCB CIRCUIT DIAGRAM
ERROR CONTENTS
DISASSEMBLY ILLUSTRATION
PARTS LIST
STANDARD ACCESSORIES
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1. . . . . . . . . . . . . . . . . . . . . . .
. . . . . .24
5
6
10
12
18
20
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
rated / max
rated / max
Cooling & Heating Colling & Heating
ARH45LUAK
AOH45LJAYL, AOH45LJBYL
12.5 kW / 14.0 kW
14.0 kW / 18.0 kW
ELECTRICAL SPECIFICATIONS
POWER SUPPLY
FREQUENCY
RUNNING CURRENT
rated / max
INPUT
rated / max
EER
rated
MOISTURE REMOVAL
AIR CIRCULATION HIGH
(A)
(kW)
COOLIING
HEATING
COOLIING
HEATING
COOLIING
HEATING
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
3-phase, Induction motor, DC Scroll
ARH54LUAK
AOH54LJAYL, AOH54LJBYL
14.0 kW / 15.0 kW
16.0 kW / 19.0 kW
230 V
50 Hz
18.9 / 22.6
16.7 / 22.5
4.30 / 5.15
3.80 / 5.15
2.91 kW/kW
3.68 kW/kW
23.6 / 25.9
20.6 / 25.9
5.36 / 5.90
4.70 / 5.90
2.61 kW/kW
3.40 kW/kW
3.0 L/hr 4.0 L/hr
3,500 m3/hr
Hermetic type, 6 poles,
ANB33FCMMT
3,400 g
FAN MOTOR
DISCRIMINATION
INDOOR UNIT
OUTDOOR UNIT
HIGH-SPEED
MED-SPEED
LOW-SPEED
DISCRIMINATION
HIGH-SPEED
850 r.p.m. (up fan) / 750 r.p.m. (down fan)
DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
H x W x D
H x W x D
WEIGHT
INDOOR UNIT
OUTDOOR UNIT
NET / GROSS
NET / GROSS
REFRIGERANT CHARGE (R410A)
PIPE LENGTH
FULL CHARGE AMOUNT
ADDITIONAL CHARGE
CHARGELESS
MAX PIPE LENGTH
MAX ELEVATION
20.0 m
30.0 m
40.0 m
50.0 m
60.0 m
70.0 m
MFA-60NTFS
1,300 r.p.m.
1,150 r.p.m.
990 r.p.m.
MFE-60PO
400 x 1,050 x 500 mm
1,290 x 900 x 330 mm
50 kg / 55 kg
105 kg / 112 kg
3,400 g
3,800 g
4,200 g
4,600 g
5,000 g
5,400 g
40 g / m
20 m
70 m
30 m
12006.09.04
REFRIGERANT SYSTEM DIAGRAM
OUTDOOR UNIT INDOOR UNIT
CONDENSER
HIGH
PRESSURE
SWITCH
MUFFLER
STRAINER
PRESSURE
CHECK VALVE
4-way
Valve
COMPRESSOR
STRAINER
EXPANSION
VALVE
REFRIGERANT PIPE
15.88mm (5/8")
CHARGING
VALVE
EVAPORATOR
ACCUMULATOR
STRAINER
REFRIGERANT PIPE
9.52mm (3/8")
CHARGING VALVE
: COOL
: HEAT
42005.04.15
INDOOR PCB CIRCUIT DIAGRAM
Controller PCB Assy
ARH45LUAK : K03BZ-040BHSE-C1
ARH54LUAK : K03BZ-040AHSE-C1
CN104 B2B-XARK-1-R
3
4
VA102
470V
<TNR>
SA101
RA-362M
SERIAL
UL1015 AWG20 RED
LO
VIOLET
MEDIUM
HIGH
UL1015 AWG16
BLACK
RED
2
1
BLUE
UL1015 AWG22 VIOLET
FAN CAPACITOR
20uF
370V
OUTDOOR UNIT
2006.09.04
UL1430 AWG22 RED
UL1430 AWG22 RED
SECONDARY
PRIMARY
POWER TRANSFORMER
EZ-0970WWE-T
CN103
B2P3-VH-B-R
RED
2
UL1015 AWG22 VIOLET
1
2
1
FH102
F101
3.15A
<BET>
FH101
CN101
B2P3-VH-B-C
BLACK
AC I N
L
N
UL1015 AWG18 BLACK
BLACK
FAN
MOTOR
WHITE
UL1015 AWG16 WHITE
TERMINAL BOARD
C102
0.22 <RE>
C103
0.01
<YE>
LF101
ELF17N015A
C105
0.01
<YE>
C101
0.22 <RE>
VA101
470V
<TNR>
UL1015 AWG16
GREEN
UL1015 AWG18 WHITE
1
2(N)
3
C104
0.01
<YE>
C106
0.01
<YE>
E101 W105
Power Supply PCB
K04CW-0404HSE-P0
JM103
D101
D2SB20
2
431
R102 10K
<1/4W>
I C101
NJM7805
5V
C112
0.1
<F>
12V
C111
10/
25V
VA103 470V
<TNR>
DRAIN PUMP
UL1430 AWG24
RED
RELAY
DH12D1-1F
DC12V
RED
I
1O
G
2
I C102
NJM7812
331
I
O
G
+
2
18
14
10
K104
G5NB-1A
14V
3
1
CN109
B2P3-VH-B-E
BLUE
1 221
UL1430 AWG24
WHITE
UL1015
AWG16
RED
SHV 10A - 400V
RELAY
DH12D1-1F
DC12V
5V
R103
1.0K
<1/2W>
C107
+
1000
/50V
C108
+
10/
25V
PC102
TLP621
<GB>
4
3
I C 103 H I 2002
2
4
CR101
120/0.2
4
1 2 3
RED
UL1430 AWG24
RED
UL1430 AWG24
BLACK
UL1015
AWG16
YELLOW
UL1015 AWG16 BLACK
12V
14V
Q101
2SD1932
2 3
1
2
FL102
BL02RN1
FAN ON / OFF
CN117 B04B-PAKK-1
BLACK
FAN DRIVE
UL1430 AWG24
UL1430 AWG24
RELAY
DH12D1-1F
DC12V
1
D102
C114
0.01
<B>
K104
FAN H / M
FAN M / L
14V
BLUE
5
SW3
DRS4016-5
CN105
B04B-PASK-1
WHITE
14V
C109
+
10/
25V
MTZJ15C
FL101
BL02RN1
G5NB-1A
14V
243
5V
1
5
2
3
4
1
2
3
4
5
6
7
8
9
I NT 10
CN3
B5P-SHF-1AA
WHITE
1
2
3
4
5
5V
4
8
3
4
2
2
1C
1
DC SUPPLY
UL1430 AWG26 GRAY
1
UL1430 AWG26 GRAY
2
UL1430 AWG26 GRAY
3
UL1430 AWG26 GRAY
4
CN114
B3B-XH-AM
WHITE
5V
R107 330 <1/4W>
K109
1
CN113
B02B-PARK-1
RED
RELAY DRIVE
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
CN116
B10B-PASK-1
WHITE
5V R29 - R32
R25 - R28
10K <1/10W> x 4
CN1
B04B-PASK-1
WHITE
1
2
EX. I N
3
1
EX. OUT
2
CN115
B2B-XH-AM
WHITE
CN106
B02B-PAKK-1
BLACK
1
EX. SIGNAL
2
UL1430 AWG26 GRAY
1
UL1430 AWG26 GRAY
2
10K <1/10W> x 4
R21 - R24
1.0K <1/10W> x 4
14V
12V
1
2
3
4
C42 - C43
0.1 <F> x 2
8
7
6
5
CN5
B02B-PAKK-1
BLACK
SERIAL
CN4
B02B-PARK-1
RED
NEW SERIAL
CN16
B02B-PASK-1
WHITE
1
2
3
4
5
6
7
8
9
10
CN2
B10B-PASK-1
WHITE
R15 - R17
10K <1/10W> x 3
5V
SW2
DSS803
6
3
5
2
4
1
AUTORESTART CHANGER
EX. SIGNAL FUNCTION CHANGER
ROOM TEMP REVISE ( HEATING )
C4
0.1
<F>
CUSTOM CODE
CHANGE 2
4
CUSTOM CODE CHANGE 1
3
FAN CHANGER 2
2
FAN CHANGER 11
SW1
DSS804
5V
C1
+
100/
6.3V
5V
R73
10K
<1/10W>
1
2
5V
1
2
5V
R55
10K
<1/10W>
1
2
R54 180
<1/10W>
Q1
DTA143
I C2 (6/7)
uPA2003GR
12
16
14V
R37 1.0K
<1/10W>
B Z
BZ1
PKM13EPY-4000-TF01
R33 - R36
1.0K <1/10W> x 4
5V
R18 - R20
1.0K <1/10W> x 3
5V
C3
0.1
<F>
R74 1.0K
<1/10W>
R76 10K
<1/10W>
R75 10K
<1/10W>
C34
0.01
<F>
11
5
13
3
1
C33
0.01
<F>
R38 1.0K
<1/10W>
C28 - C31
0.01 <F> x 4
C24 - C27
0.1 <F> x 4
R11 - R14
10K <1/10W> x 4
R7 - R10
1.0K <1/10W> x 4
C17 - C20
0.1 <F> x 4
C35
0.01
<B>
I C3 (1/7)
uPA2003GR
R56 1.0K
<1/10W>
C38
0.01
<F>
3
I C4 (4/7)
1
uPA2003GR
15
13
14V
9
6
4
215
5V
R77 10K
<1/10W>
1
Q2
DTC124EKA
2
I C3 (1/7)
uPA2003GR
12
C21 - C23
0.1 <F> x 3
16
10
I C2 (1/7)
uPA2003GR
5V
R53
10K
<1/10W>
14V
14
2
16
4
R78 390
<1/10W>
3
2
JP
Function
JP
Room temp. revise (cooling)
JP1
Commercial mode
JP2
Fan delay change (heating operation)
5V
D2
DAN217U
1 2
3
8
VCC
4
DO
NC
7
5
GND
C36
0.01
<F>
R80
10K
<1/10W>
R79 1.0K
<1/10W>
10K <1/10W> x 3
R2R3
5V
R44
10K
<1/10W>
C2
+
10/
25V
12V
D3
D1FS4A
5V
C13
0.1
<F>
5V
R39
10K
<1/10W>
R40 1.0K
<1/10W>
5V
R1
7 10
C40
0.01
<F>
14V
14V
C10
0.1
<F>
JM1
JM2
JM3
C8
0.1
<F>
C9
0.1
<F>
I C3 (1/7)
uPA2003GR
1
2
3
4
5
6
7
8
1
2
3
1
2
1
2
1
2
3
1
2
3
ROOM TEMP REVISE (COOLING)
COMMERCIAL MODE CHANGER
FAN DELAY CHANGER (HEATING)
R60 1.0K
<1/10W>
R61 1.0K
<1/10W>
CN13
B8B-XASK-1-A
WHITE
DISPLAY
CN6
B3B-XAKK-1-A
BLACK
CN14
B02B-PAMK-1
GREEN
FRESH AIR
CN15
B02B-PAOK-1
ORANGE
HEATER
CN9
B3B-XARK-1-A
RED
FLOAT SWITCH
CN10
B3P-VH-B
WHITE
FEED BACK
R65
10K
<1/10W>
R66
49.9K
<1/10W>
14V
P04
1
P15
2
P16
I C 1
3
P17
uPD780058BGK
-A42-9EU
5
P130
P131
6
P72
10
11
P20
74
VDD0
68
VDD1
75
AVRF0
AVRF1
7
AVSS
4
67
VSS0
33
VSS1
45
P31
46
P32
1
30
P53
25
P46
7
8
P70
9
P71
9
P51
28
3
27
P50
26
P47
1
29
P52
24
P45
23
P44
22
P43
21
P42
20
P41
19
P40
63
P02
C32
0.01
<F>
50
P36
5
44
P30
43
P67
42
P66
41
P65
12
P21
13
P22
P25
16
17
P26
X1 X2
70 69
1
2
65
66
P05
73
P07
80
P14
79
P13
P12
78
76
P10
P11
77
59
P127
58
P126
57
P125
56
P124
55
P123
54
P122
53
P121
P120
52
JM4
71
I C
14
P23
15
P24
40
P64
36
P60
P61
37
P62
38
39
P63
62
P01
P00
61
51
P37
47
P33
P34
48
49
P35
72
XT2
35
P57
31
P54
P55
32
34
P56
18
P27
64
P03
R72 10K
<1/10W>
60
RESET
3
X1
CSTS0500MG03-T
C16
0.1
<F>
14V
7
6
5
4
3
2
1
R49 10K
<1/10W>
5V
R71
10K
<1/10W>
I C3 (1/7)
uPA2003GR
NC
R45
5V
C15
0.1
<F>
I C5 (7/7)
uPA2003GR
9
10
11
12
13
14
15
16
8
5V
R41 1.0K <1/10W>
R42 47 <1/10W>
C39
0.01
<F>
-
7
+
I C6-2
BA10393F
-
1
+
I C6-1
BA10393F
R67 390
<1/10W>
6 11
14V
I C3 (3/7)
9
uPA2003GR
2 15
3414
13
8
R46
10K <1/10W> x 3
D1
DAN202K
3
1
2
C11
0.1
<F>
C14
0.1
<F>
R50 10K
<1/10W>
6
5
2
3
I C9
BD4742G
5
VCC
4
VOUT
3
GND
C41
1000P
<R>
SUB
NC
12V
R47
2
1
R68
15.4K
<1/10W>
R69
28K
<1/10W>
R4 1.0K
<1/10W>
R5 1.0K
<1/10W>
R6 1.0K
<1/10W>
R57 - R59
1.0K <1/10W> x 3
R62 - R64
10K <1/10W> x 3
5V
R43
10K
<1/10W>
12V
R70
10K
<1/10W>
R48 10K
<1/10W>
1
CS
2
SK
D I
3
6
NC
I C7
BR93LC46
5V
C12
0.1
<F>
C37
0.01
<F>
JP3
5V
CN8
B2B-XASK-1-A WHITE
1
2
1
2
CN7
B2B-XAKK-1-A BLACK
CN11
B5B-XASK-1-A
1
WHITE
2
3
4
5
1
2
3
4
5
LOUVER ( U / D )
CN12
B5B-XARK-1-A
RED
LOUVER ( R / L )
Remote controller custom code switching
SW1-3 SW1-4 Wired remote controller
off
on off
off
on
UL1430 AWG22 RED
UL1430 AWG22 WHITE
UL1430 AWG22 BLACK
2
1
3
REMOTE CONTROL UNIT
AR-3TA3
SW1 & SW2
SW Function
SW1-1 Fan changer
SW1-2
SW2-2
SW2-3
BLACK
BLACK
GRAY
GRAY
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
off
"with thermistor" type
weekly type
on
EZ-098YHSE-R series
on
EZ-09503HSE-R series
TERMINAL BOARD
Fan changer
Room temp. revise (heating)SW2-1
Ex. signal function changer
Auto restart
on
o deg.
normal
No delay
on off
- -
-
0 deg.
pulse
not auto
off
+2 deg.
commercial
Delay
Wireless
A type
B type
C type
D type
-
+4 deg.
edge
auto
6