SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT
Models
Indoor unit Outdoor unit
ARG25FUAN
ARG25UUAN
type
AOG25FNAKL
AOG25UNAKL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . . 8
OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM. . . . . 10
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
(kW)
(kW)
COOLING COOLING & HEATING
ARG25FUAN ARG25UUAN
AOG25FNAKL AOG25UNAKL
7.05 7.00
------
7.70
ELECTRICAL DATA
POWER SOURCE
FREQUENCY
RUNNING CURRENT
INPUT WATTS
E.E.R.
STARTING CURRENT
MOISTURE REMOVAL
(kW / kW)
(A)
(kW)
(Hz)
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
( /hr)
(V)
11.5
------
2.60
------
2.71 2.64
------
(A) 60
230
50
11.8
10.5
2.65
2.33
3.30
2.5
Note : The above list shows values at the external static pressure of
98Pa (10mm Ag), setting the fan speed high notch.
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
DISCRIMINATION
(r.p.m.)
(m3/h)
(kg)
INDOOR MED
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
INDOOR
OUTDOOR
FAN SPEED
AIR FLOW
DIMENSIONS
H x W x D (mm)
WEIGHT
NET / GROSS
MAX PIPE LENGTH / HEIGHT
REMOTE CONTROLLER TYPE
HIGH
LOW
(g)
(m)
Hermetic type, 2 pole, Single phase,
Induction motor, Rotary
5JS290DAA
1,550 2,000
MFA-30PTT
1,200
1,120
1,030
780
1,100
3,200
270 x 1,135 x 700
650 x 830 x 320
43 / 50
58 / 62 59 / 63
25 / 15
WIRED
Note : The above list shows values at the external static pressure of
98Pa (10mm Ag), setting the fan speed high notch.
2005.03.01 1
TYPE
INDOOR UNIT
OUTDOOR UNIT
NOISE LEVEL
HI-SPEED
INDOOR UNIT
OUTDOOR UNIT
Note : Static pressure : 100Pa
Duct length : Inlet 1m, Outlet 2m
MED-SPEED
LO-SPEED
(dB)
(dB)
(dB)
(dB)
COOLING COOLING & HEATING
ARG25FUAN ARG25UUAN
AOG25FNAKL AOG25UNAKL
38
36
34
53
COOL 53 / HEAT 54
Pipe Length
FULL CHARGE AMOUNT
ADDITIONAL REFRIGERANT
7.5 m
(24 ft.)
10 m
(33 ft.)
15 m
(49 ft.)
20 m
(66 ft.)
25 m
(82 ft.)
1,550 g (54.7 oz)
1,600 g (56.4 oz)
1,700 g (60.0 oz)
1,800 g (63.5 oz)
1,900 g (67.0 oz)
20 g / m
(0.212 oz / ft.)
2,000 g (70.6 oz)
2,100 g (74.1 oz)
2,300 g (81.1 oz)
2,500 g (88.2 oz)
2,700 g (95.2 oz)
40 g / m
(0.424 oz / ft.)
When you dismantle indoor units which are installed,
take care not to make parts fall down, especially motors.
2005.03.01 2
DIMENSIONS
INDOOR UNIT
Models : ARG25FUAN
ARG25UUAN
Unit : mm
2005.03.01 3
OUTDOOR UNIT
Models : AOG25FNAKL
AOG25UNAKL
Unit : (mm)
350
830
320
650
12
Bottom
Air flow
343
603
2005.03.01 4
REFRIGERANT SYSTEM DIAGRAM
Models : ARG25FUAN / AOG25FNAKL
OUTDOOR UNIT INDOOR UNIT
Condenser
Compressor
Strainer
Capillary Tube
Charging
Valve
Refrigerant Pipe
15.88mm (5/8")
Evaporator
Refrigerant Pipe
9.52mm (3/8")
Models : ARG25UUAN / AOG25UNAKL
OUTDOOR UNIT INDOOR UNIT
Refrigerant Pipe
15.88mm (5/8")
Charging
Valve
Evaporator
Accumulator
Condenser
4-way
Valve
Muffler
Compressor
Strainer Strainer
Capillary Tube
Heating
Cooling
: Flare coupling
2005.09.01 5
Refrigerant Pipe
9.52mm (3/8")
CIRCUIT DIAGRAM
Model : ARG25FUAN
Model : AOG25FNAKL
2005.03.01 6
Model : ARG25UUAN
Model : AOG25UNAKL
2005.03.01 7
INDOOR PCB CIRCUIT DIAGRAM
Model : ARG25FUAN
POWER SUPPLY PCB
K03CA-0401WSE-P0
D101
D2SB20
2
1
4
5V
12V
+
CR104
120/0.2
3
R102
10K
<1/4W>
I C101
NJM7805
O I
I C102
NJM7812
PC103
TLP621
<GB>
R104 56K
<RS-1W>
VA104
470V
<TNR>
UL1014 AWG22 BLUE
MOTOR
G
O I
UL1014 AWG22 PURPLE
G
UL1014 AWG22 PINK
FAN
C107
1000
/50V
D104
1SR139-600
1
2
K101
G5SB-14
DC12V
K103
G5SB-14
DC12V
123
456
UL1014 AWG22 WHITE
UL1014 AWG22 BLACK
UL1014 AWG22 RED
R103
1.0K
<1/2W>
+
R106 10K
<1/4W>
SSR101
G3MC
CN107
B6P11-VH-B
WHITE
FAN MOTOR
5V
12V
C108
+
10/
25V
PC102
TLP621
<GB>
R108 330 <1/4W>
PC101
TLP621
<GB>
3
+
4
-
14V
FAN CAPACITOR
5uF 440V
14V
Q101
2SD1932
C109
10/25V
D102
MTZ
J15C
C114
0.01
<B>
FL102
BL02RN1
5V
R105 1.0K
<1/4W>
C113
0.01
<B>
14V
342
1
K102
G5SB-14
DC12V
1
UL1015 AWG20 WHITE
CN105
B04B-PASK-1
WHITE
14V
+
K108
K102
K101
K103
K104
G5N-1A
CN108
B2P3-VH-B-Y
YELLOW
2
FAN
CAPACITOR
UL1015 AWG20 WHITE
SECONDARY
PRIMARY
POWER TRANSFORMER
EZ-0970WWE-T
TRANS ( PRI )
CN103
B2P3-VH-B-R RED
2
UL1015 AWG22 PURPLE
UL1015 AWG22 PURPLE
JM103
1
FH102
F101
3.15A
<BET>
FH101
CN101
B2P3-VH-B-C
BLACK
AC I N
1
L N
UL1015 AWG18 BLACK
TERMINAL BOARD
OUTDOOR UNIT
UL1430 AWG22 RED 2
UL1430 AWG22 RED
C102
0.22 <RE>
C103
C104
0.01
0.01
<F>
<F>
LF101
ELF17N015A
C105
C106
0.01
0.01
<F>
<F>
C101
0.22 <RE>
VA101 470V
<TNR>
2
UL1015 AWG18 WHITE
UL1015 AWG16
K108
G5N-1A
E101
GREEN
SA101
RA-362M
1
UL1015 AWG20 RED
VA102
470V
<TNR>
2
3
2(N)
1
TRANS ( SEC )
CN104
B2B-XARK-1-A RED
1
C112
0.1
<F>
C111
10/
25V
FL101
BL02RN1
14V
1
2
3
4
K104
5
6
7
8
SSR
9
I NT
10
B5P-SHF-1AA
WHITE
PC103
TLP621
<GB>
CR101
120/0.2
DC SUPPLY
1
UL1430 AWG26 GRAY
2
UL1430 AWG26 GRAY
3
UL1430 AWG26 GRAY
4
UL1430 AWG26 GRAY
CN1
B04B-PASK-1
CN114
B3B-XH-AM
WHITE
WHITE
1
2
3
5V
R107 330
CN106
B10B-PASK-1 WHITE
1
<1/4W>
2
1
2
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
2
1
DRAIN PUMP
CN109
B2P3-VH-B-E
BLUE
CN3
1
2
3
TEST
4
5
5V
R25
SW3
4
8
3
4
2
2
5 1
C
1
1
2
3
4
EX. I N
EX. OUT
CN105
B2B-XH-AM
WHITE
EX. SIGNAL
CN106
B02B-PAKK-1
BLACK
EX. SIGNAL
CN5
B02B-PAKK-1
BLACK
CN4
B02B-PARK-1
RED
NEW SERIAL
CN16
B02B-PASK-1
WHITE
CN2
B10B-PASK-1 WHITE
5V
10K <1/10W> x 4
R29 R30
10K <1/10W> x 4
R26 R27 R28
R21 - R24
1.0K <1/10W> x 4
CONTROLLER PCB ASSEMBLY
K03BZ-0408WSE-C1
12V
C13
0.1
<F>
5V
+
D3
D1FS4A
5V
5V
5V
7
C40
0.01
<F>
14V
14V
R39
10K
<1/10W>
C10
0.1
<F>
I C3 (1/7)
uPA2003GR
10K <1/10W> x 3
JM1
AUTO RESTART SWITCHING
ROOM TEMPERATURE CORRECTION
JM2
( COOLING OPERATION )
JM3
SPARE
C8
R60 1.0K
0.1
<1/10W>
<F>
C9
R61 1.0K
0.1
<1/10W>
<F>
10
CN13
1
B8B-XASK-1-A WHITE
2
3
4
INDICATOR
5
6
7
8
CN6 B3B-XAKK-1-A BLACK
REMOTE CONTROL UNIT
1
2
3
CN14 B02B-PAMK-1 GREEN
FRESH AIR
1
2
CN15 B02B-PAOK-1 ORANGE
HEATER
1
2
CN9 B3B-XARK-1-A RED
FLOAT SWITCH
1
2
3
CN10 B3P-VH-B WHITE
FEED BACK
1
2
3
R65
10K
<1/10W>
R66
49.9K
<1/10W>
5V
CN8
B2B-XASK-1-A WHITE
1
2
1
2
CN7
14V
B2B-XAKK-1-A BLACK
CN11
1
B5B-XASK-1-A WHITE
2
3
LOUVER ( U / D )
4
5
CN11
1
B5B-XARK-1-A RED
2
3
LOUVER ( R / L )
4
5
UL1430 AWG22 BLACK
3
EARTH WIRE
REMOTE CONTROL UNIT
UL1430 AWG22 WHITE
1
2
BLACK
BLACK
GRAY
GRAY
UL1430 AWG22 RED
TERMINAL BOARD
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
14V
12V
5V
SW2
6
5
4
C4 0.1 <F>
C42 0.1 <F>
C43 0.1 <F>
SW1
8
4
7
3
REMOTE CUSTOM
6
2
REMOTE CUSTOM
5
1
5V
C1
+
100/6.3V
1
2
1
2
1
2
1
2
3
4
5
6
7
8
9
10
14V
R37 1.0K
<1/10W>
B Z
BZ1
5V
R15 - R17
10K <1/10W> x 3
R18 - R20
1.0K <1/10W> x 3
3
2
1
EX. SIGNAL FUNCTION SWITCHING
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
5V
R11 - R14
10K <1/10W> x 3
R7 - R10
1.0K <1/10W> x 4
C17 - C20
0.1 <F> x 4
C3 0.1
<F>
5V
R73
10K
<1/10W>
5V
5V
R54 180
<1/10W>
I C2 (6/7)
uPA2003GR
12
14
16
R76 10K
<1/10W>
R75 10K
<1/10W>
R55
10K
<1/10W>
Q1
DTA143
5
3
1
8
R38 1.0K
<1/10W>
13
15
C34
0.01
<F>
C33
0.01
<F>
14V
R74 1.0K
<1/10W>
R56 1.0K
<1/10W>
9
5V
R77 10K
<1/10W>
R32R31
R33 - R36
1.0K <1/10W> x 4
C24
C25
0.1
0.1
<F>
<F>
C35
0.01
<B>
I C3 (1/7)
uPA2003GR
C38
0.01
<F>
I C4 (4/7)
uPA2003GR
15
13
611
4
2
Q2
DTC124EKA
C28 - C31
0.01 <F> x 4
C26
0.1
<F>
C21 - C23
0.1 <F>
x 3
FAN SWITCHING
FAN SWITCHING
16
10
I C2 (1/7)
uPA2003GR
5V
R53
10K
<1/10W>
14V
14
2
16
4
8
R78 390
<1/10W>
12
I C3 (1/7)
uPA2003GR
C27
0.1
<F>
65
RESET
X2
69
2
P04
66
P05
73
P07
80
P14
79
P13
P12
78
P10
76
77
P11
59
P127
58
P126
P125
57
56
P124
55
P123
P122
54
P121
53
52
P120
JM4
71
I C
P23
14
15
P24
40
P64
36
P60
37
P61
38
P62
P63
39
62
P01
5V
R71
10K
<1/10W>
61
P00
I C3 (1/7)
uPA2003GR
51
P37
P33
47
48
P34
49
P35
XT2
72
NC
35
P57
P54
31
P55
32
34
P56
R45 10K
<1/10W>
P27
18
64
P03
R72
10K
<1/10W>
60
C11
0.1
<F>
3
X1
CSTS0500MG03-T
C16
0.1
<F>
7
6
5
4
3
2
1
14V
4
5V
9
10
11
12
13
14
15
16
8
R49 10K
<1/10W>
C39
0.01
<F>
6
14V
9
2
3
8
R46 10K
<1/10W>
D1
DAN202K
C15
C14
0.1
0.1
<F>
<F>
I C5 (7/7)
uPA2003GR
5V
R50 10K
<1/10W>
R41 1.0K <1/10W>
C41
1000P
<R>
12V
6
-
7
5
+
I C6-2
BA10393F
2
-
1
3
+
I C6-1
BA10393F
R67 390
<1/10W>
11
I C3 (3/7)
uPA2003GR
15
14
13
R47 10K
<1/10W>
I C9
BD4742G
2
5
VCC
SUB
4
VOUT
GND
1
3
NC
R4 1.0K <1/10W>
R5 1.0K <1/10W>
R6 1.0K <1/10W>
R57
R58
R59
R62 - R64
10K <1/10W> x 3
5V
R43
R44
10K
10K
<1/10W>
<1/10W>
R42 47
<1/10W>
R68
15.4K
<1/10W>
R69
12V
R48 10K
<1/10W>
1
CS
2
SK
3
D I
6
NC
I C7
BR93LC46
D2
DA226U
VCC
GND
R40 1.0K
<1/10W>
28K
<1/10W>
R70 10K
<1/10W>
5V
C12
0.1
<F>
C37
0.01
<F>
R3 R2 R1
1.0K <1/10W> x 3
C2
10/
25V
5V
8
4
DO
7
NC
5
C36
0.01
<F>
R80
10K
<1/10W>
R79 1.0K
<1/10W>
P15
1
P16
2
I C 1
3
P17
uPD780058BGK
-A23-9EU
P130
5
6
P131
10
P72
11
P20
VDD0
74
VDD1
68
75
AVRF0
7
AVRF1
4
AVSS
67
VSS0
33
VSS1
45
P31
46
1
P32
30
P53
25
7
P46
8
P70
9
P71
9
P51
28
3
27
P50
26
1
P47
29
P52
24
P45
23
P44
22
P43
21
P42
20
P41
19
P40
63
P02
C32
0.01
<F>
50
P36
5
P30
44
P67
43
42
P66
41
P65
P21
12
13
P22
16
P25
17
P26
X1
70
1
82005.06.13
Model : ARG25UUAN
SECONDARY
PRIMARY
POWER TRANSFORMER
EZ-0970WWE-T
TRANS ( PRI )
CN103
B2P3-VH-B-R RED
2
UL1015 AWG22 PURPLE
UL1015 AWG22 PURPLE
JM103
1
FH102
F101
3.15A
<BET>
FH101
CN101
B2P3-VH-B-C
BLACK
AC I N
OUTDOOR UNIT
1
L N
TERMINAL BOARD
UL1430 AWG22 RED 2
UL1430 AWG22 RED
C102
0.22 <RE>
C103
C104
0.01
0.01
<F>
<F>
LF101
ELF17N015A
C105
C106
0.01
0.01
<F>
<F>
C101
0.22 <RE>
VA101 470V
<TNR>
E101
2
UL1015 AWG16
GREEN
UL1015 AWG18 BLACK
UL1015 AWG18 WHITE
UL1015 AWG20 RED
3
2(N)
1
TRANS ( SEC )
CN104
B2B-XARK-1-A RED
1
4
5V
C112
0.1
<F>
12V
C111
+
10/
25V
VA103 470V
<TNR>
VA102
470V
<TNR>
SA101
RA-362M
W105
SERIAL
POWER SUPPLY PCB
K03CA-0400HSE-P0
5V
D101
D2SB20
2
1
3
R102
10K
<1/4W>
I C101
NJM7805
O I
I C102
NJM7812
O I
18
14
10
VA104
470V
<TNR>
UL1014 AWG22 BLUE
MOTOR
G
G
UL1014 AWG22 PURPLE
FAN
C107
1000
/50V
456
UL1014 AWG22 WHITE
UL1014 AWG22 RED
UL1014 AWG22 PINK
R103
1.0K
<1/2W>
+
C108
+
10/
25V
PC102
TLP621
<GB>
I C103 H I 2002
SSR101
G3MC
1
+
2
-
K101
G5SB-14
DC12V
K103
G5SB-14
DC12V
CN107
B6P11-VH-B
123
WHITE
FAN MOTOR
UL1014 AWG22 BLACK
14V
Q101
2SD1932
C109
10/25V
D102
MTZ
J15C
C114
0.01
<B>
FL102
BL02RN1
CN105
B04B-PASK-1
WHITE
14V
+
12V
R108 330 <1/4W>
14V
3
4
K102
K101
K103
K104
G5N-1A
14V
342
1
K102
G5SB-14
DC12V
CN108
B2P3-VH-B-Y
YELLOW
2
1
FAN
CAPACITOR
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
FAN CAPACITOR
5uF 440V
FL101
BL02RN1
14V
5V
1
5
2
3
4
1
2
3
4
K104
5
6
7
8
SSR
9
I NT
10
B5P-SHF-1AA
WHITE
PC103
TLP621
<GB>
CR101
120/0.2
DC SUPPLY
1
UL1430 AWG26 GRAY
2
UL1430 AWG26 GRAY
3
UL1430 AWG26 GRAY
4
UL1430 AWG26 GRAY
CN1
B04B-PASK-1
CN114
B3B-XH-AM
WHITE
WHITE
1
2
3
5V
R107 330
CN106
B10B-PASK-1 WHITE
1
<1/4W>
2
1
2
1
2
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
2
1
DRAIN PUMP
CN109
B2P3-VH-B-E
BLUE
CN3
1
2
3
TEST
4
5
5V
R25
SW3
4
8
3
4
2
2
5 1
C
1
1
2
3
4
EX. I N
EX. OUT
CN105
B2B-XH-AM
WHITE
EX. SIGNAL
CN106
B02B-PAKK-1
BLACK
EX. SIGNAL
CN5
B02B-PAKK-1
BLACK
SERIAL
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
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
5V
10K <1/10W> x 4
R29 R30
10K <1/10W> x 4
R26 R27 R28
R21 - R24
1.0K <1/10W> x 4
14V
8
7
6
5
C42 0.1 <F>
12V
SW1
5V
5V
C4 0.1 <F>
C43 0.1 <F>
4
3
2
1
C1
+
100/6.3V
14V
REMOTE CUSTOM
REMOTE CUSTOM
R37 1.0K
<1/10W>
5V
R15 - R17
10K <1/10W> x 3
SW2
3
6
2
5
1
4
EX. SIGNAL FUNCTION SWITCHING
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
5V
R11 - R14
10K <1/10W> x 3
C3 0.1
<F>
5V
R73
10K
<1/10W>
1
2
5V
R76 10K
<1/10W>
R75 10K
1
2
<1/10W>
5V
R55
10K
<1/10W>
1
2
R54 180
<1/10W>
Q1
DTA143
I C2 (6/7)
uPA2003GR
5
12
13
14
3
15
1
16
8
C33
0.01
<F>
R38 1.0K
<1/10W>
B Z
BZ1
R32R31
R33 - R36
1.0K <1/10W> x 4
C24
0.1
<F>
R18 - R20
1.0K <1/10W> x 3
R7 - R10
1.0K <1/10W> x 4
C17 - C20
0.1 <F> x 4
R74 1.0K
<1/10W>
C35
0.01
<B>
I C3 (1/7)
uPA2003GR
C34
0.01
<F>
R56 1.0K
<1/10W>
C38
0.01
<F>
I C4 (4/7)
uPA2003GR
15
13
14V
9
611
4
2
5V
R77 10K
<1/10W>
Q2
DTC124EKA
C28 - C31
0.01 <F> x 4
C26
C25
0.1
0.1
<F>
<F>
CONTROLLER PCB ASSEMBLY
K03BZ-0409HSE-C1
UPD780058BGK
FAN SWITCHING
FAN SWITCHING
16
10
I C2 (1/7)
uPA2003GR
5V
R53
10K
<1/10W>
14
2
16
4
8
R78 390
<1/10W>
12
I C3 (1/7)
uPA2003GR
C27
0.1
<F>
C21 - C23
0.1 <F>
x 3
1
7
14V
9
3
1
C32
0.01
<F>
5
-A42-9EU
P15
1
P16
2
3
P17
I C 1
P130
5
6
P131
10
P72
11
P20
VDD0
74
VDD1
68
75
AVRF0
7
AVRF1
4
AVSS
67
VSS0
33
VSS1
45
P31
46
P32
30
P53
25
P46
8
P70
9
P71
P51
28
27
P50
26
P47
29
P52
24
P45
23
P44
22
P43
21
P42
20
P41
19
P40
63
P02
50
P36
P30
44
P67
43
42
P66
41
P65
P21
12
13
P22
16
P25
17
P26
X1
70
1
2
P04
P05
P07
P14
P13
P12
P10
P11
P127
P126
P125
P124
P123
P122
P121
P120
I C
P23
P24
P64
P60
P61
P62
P63
P01
P00
P37
P33
P34
P35
XT2
P57
P54
P55
P56
P27
P03
RESET
X2
69
3
X1
CSTS0500MG03-T
65
66
73
80
79
78
76
77
59
58
57
56
55
54
53
52
71
14
15
40
36
37
38
39
62
61
51
47
48
49
72
35
31
32
34
R45 10K
<1/10W>
18
64
R72
10K
<1/10W>
60
JM4
5V
R71
10K
<1/10W>
I C3 (1/7)
uPA2003GR
NC
C11
0.1
<F>
C16
0.1
<F>
I C5 (7/7)
14V
9
uPA2003GR
7
10
6
11
5
12
13
4
3
14
15
2
1
16
8
R49 10K
<1/10W>
R41 1.0K <1/10W>
C39
0.01
<F>
6
14V
9
2
3
4
8
R46 10K
<1/10W>
D1
5V
DAN202K
C15
0.1
<F>
5V
-
7
+
I C6-2
BA10393F
-
1
+
I C6-1
BA10393F
R67 390
<1/10W>
11
I C3 (3/7)
uPA2003GR
15
14
13
I C9
BD4742G
5
4
3
C14
0.1
<F>
R50 10K
<1/10W>
C41
1000P
<R>
6
5
2
3
R47 10K
<1/10W>
VCC
SUB
VOUT
GND
NC
R4 1.0K <1/10W>
R5 1.0K <1/10W>
R6 1.0K <1/10W>
R57
R58
R59
R62 - R64
10K <1/10W> x 3
R43
10K
<1/10W>
R42 47
<1/10W>
12V
R68
15.4K
<1/10W>
R69
12V
28K
<1/10W>
R70 10K
<1/10W>
1
2
3
6
5V
C12
0.1
<F>
2
C37
1
0.01
<F>
R3 R2 R1
1.0K <1/10W> x 3
5V
R44
10K
<1/10W>
D2
DA226U
R48 10K
<1/10W>
CS
VCC
SK
DO
D I
NC
NC
GND
I C7
BR93LC46
R40 1.0K
<1/10W>
R80
10K
<1/10W>
C2
10/
25V
5V
8
4
7
5
C36
0.01
<F>
R79 1.0K
<1/10W>
12V
C13
0.1
<F>
5V
+
D3
D1FS4A
5V
5V
5V
7
C40
0.01
<F>
14V
14V
R39
10K
<1/10W>
C10
0.1
<F>
I C3 (1/7)
uPA2003GR
10K <1/10W> x 3
JM1
AUTO RESTART SWITCHING
ROOM TEMPERATURE CORRECTION
JM2
( COOLING OPERATION )
JM3
SPARE
C8
R60 1.0K
0.1
<1/10W>
<F>
C9
R61 1.0K
0.1
<1/10W>
<F>
10
CN13
1
B8B-XASK-1-A WHITE
2
3
4
INDICATOR
5
6
7
8
CN6 B3B-XAKK-1-A BLACK
REMOTE CONTROL UNIT
1
2
3
CN14 B02B-PAMK-1 GREEN
FRESH AIR
1
2
CN15 B02B-PAOK-1 ORANGE
HEATER
1
2
CN9 B3B-XARK-1-A RED
FLOAT SWITCH
1
2
3
CN10 B3P-VH-B WHITE
FEED BACK
1
2
3
R65
10K
<1/10W>
R66
49.9K
<1/10W>
5V
CN8
B2B-XASK-1-A WHITE
1
2
1
2
CN7
14V
B2B-XAKK-1-A BLACK
CN11
1
B5B-XASK-1-A WHITE
2
3
LOUVER ( U / D )
4
5
CN11
1
B5B-XARK-1-A RED
2
3
LOUVER ( R / L )
4
5
UL1430 AWG22 BLACK
3
EARTH WIRE
REMOTE CONTROL UNIT
UL1430 AWG22 WHITE
1
2
BLACK
BLACK
GRAY
GRAY
UL1430 AWG22 RED
TERMINAL BOARD
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
92005.06.13
OUTDOOR PCB CIRCUIT DIAGRAM
Model : AOG25UNAKL
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K01D1-0400HUE-C1
SECONDARY
POWER SOURCE
220-240V
50Hz
UL1430 AWG22
SECONDARY
THERMAL FUSE
PRIMARY
PURPLE
UL1015 AWG22
4WV
UL1015 AWG20 RED
UL1015 AWG20 WHITE
UL1015 AWG20 BLACK
RED
RED
UL1430 AWG22
POWER
TRANSFORMER
EZ-095HHSE-T1
PURPLE
UL1015 AWG22
PRIMARY
CN1
B2P5-VH-B-R
RED
UL1015 AWG16
CN9-1
4WV
CN9-2
COMPRESSOR
CAPACITOR
3.5uF 450V
UL1015 AWG12 WHITE
E
L
N
BLUE
3
WHITE
2
1
TERMINAL
BOARD
E
CN3-2
CN3-1
CN3
B2B-XH-AM
WHITE
CN2-2
CN2-1
CN1-1
CN1-2
CN1-3
GREEN
BLACK
BLACK
RED
WHITE
S
COMP
E
CN9
179844-1
WHITE
R
CN2
B2P3-VH-B-R RED
D1
D2SB20
C11
2200
/35V
FH1 FH2
F1
3.15A
<250V>
VA1 470V
<TNR>
C
BLACK
BLACK
POWER RELAY
VF12HU-UL
FAN
CAPACITOR
450V 3.5uF
F M
UL1015 AWG12
FAN MOTOR
+
R1 5.6K
R2 5.6K
<1/4W>
<1/4W>
C1
0.22
<RE>
VA4
470V
<TNR>
K1
G5NB-1A
DC12V
UL1015 AWG18
UL1015 AWG18
BLACK
WHITE
RED
BLUE
B H
BELT HEATER
C14 0.01
<F>
C15 0.01
<F>
SA1
RA-362M
UL1430
AWG24
UL1430
AWG24
UL1015
AWG20
UL1015
AWG20
UL1015
AWG20
UL1015
AWG20
UL1015
AWG16
UL1015
AWG16
C8
10/
25V
R22 1.0K
<1/4W>
+
D2
MTZJ15C
LF1
ELF17N015A
VA5 470V
<TNR>
RED
CN15-1
RED
CN15-2
WHITE
CN4-1
WHITE
CN4-2
BLACK
CN5-1
WHITE
CN5-2
RED
CN5-3
BLUE
CN5-4
BLACK
CN8-1
BLACK
CN8-2
12V
Q1
2SC880
C7
+
10/
25V
14
C2
0.22
<RE>
10
18
12V
CN15
B2B-XASK-1-A WHITE
CN14
53331-0210 WHITE
R25
H
120
L
K3
JQ1-12V
CN5
B4P7-VH-B
WHITE
CN8
179844-2
RED
D3
D1F60
C4 0.22
<RE>
K2
G5NB-1A
DC12V
K6
G5NB-1A
DC12V
IC4
7805
I
G
C12
+
2200
/25V
I C 2 HU2001
O
5V
C28
0.1
<F>
4WV
FAN ON (HI)
FAN-LO
C. CH
12V
C13
100/
25V
R41 10K
<1/4W>
R9 4.7K
<1/4W>
K 1
K 2
K 3
K 6
2
1
3
5
4
5V
C18
0.01
<F>
5V
5V
+
5V
R7 10K
<1/4W>
R13 1.0K
<1/4W>
C29
0.1
<F>
R10 4.7K
<1/4W>
Q3
DTC124EKA
Q4
DTC124EKA
12V
9
12
16
14
15
13
11
10
8
JM1
5V
CR2
0.01
<F>
CR3
0.01
<F>
IC6 (7/7)
uPA2003GR
5
1
3
2
4
6
7
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
34
AVREF
35
AVDD
10
VDD0
24
VDD1
38
XT1
25
AGND
9
GND0
42
GND1
39
I C
30
P13
29
P14
28
P15
27
P16
IC 1
43
P00
uPD7800024AGK
-B67-9ET
46
P03
45 P02
55
P66
59
P42
57
P40
58
P41
56
P67
54
P65
53
P64
37
XT2
23
P25
22
P24
16
P35
P34
15
8
P57
7
P56
6
P55
5
P54
4
P53
3
P52
RESET 36
P36
P22
P21
P20
P23
P17
P30
P31
P33 14
P10 33
P12 31
P50
P70 47
P71
P72
P73 50
P74
P75
P44
P45
P46
P47
5V
5V
R33 10K
<1/4W>
C24
0.1
<F>
17
20
19
18
R30
R31
R32
VCC
OUT
GND
IC5
PST600C
IC7
BR93LC46
C23
0.1
<F>
5V
R29 10K
<1/4W>
CS
VCC
D0
SK
NC
D1
NC
GND
C22
0.1
<F>
10K <1/4W> x 3
CJ4
CJ1
1000P
<B>
CJ2
1000P
<B>
CJ3
1000P
<B>
5V
C17
0.01
<F>
R27 10K
<1/4W>
R28 10K
<1/4W>
C16
0.01
<F>
R15 1.0K <1/4W>
R16 1.0K <1/4W>
R17 1.0K <1/4W>
LED1
SLR-325
<RED>
LED2
SLR-325
<RED>
R18 - R21
1.0K <1/4W> x 4
5V
R35 - R38
10K <1/4W> x 4
R11
14K (1%)
<RN-1/5W>
R12
14K (1%)
<RN-1/5W>
R3
6.65K (1%)
<RN-1/5W>
5V
C25
0.1
<F>
C26
0.1
<F>
C27
0.1
<F>
TIMER
TEST1
TEST2
TEST3
5V
CN12
CN13
CN10
B5P-SHF-1AA
WHITE
CN10-1
CN10-2
TEST
CN10-3
CN10-4
CN11
B2P-VH-B
WHITE
CN11-2
CN11-1
B2P-VH-C BLACK
CN12-2
CN12-1
B2P-VH-B-R RED
CN13-2
CN13-1
PIPE TEMPERATURE THERMISTOR
GRAY
GRAY
OUTDOOR TEMPERATURE THERMISTOR
BLACK
BLACK
DISCHARGE TEMPERATURE THERMISTOR
BROWN
BROWN
R40 10K
<1/4W>
21
26
44P01
CR1 10K
<1/4W>
11
12
13P32
C19
C20
0.01
0.01
<F>
<F>
32P11
1
2P51
NC
48
NC
49
NC
NC
51
NC
52
NC
60P43
NC
61
NC
62
NC
63
NC
64
NC
INDOOR UNIT
X1
41 40
1
102005.03.01
X2
3
X1
8.38MHz
2
112005.02.09
OFF
ON
ERROR CONTENTS
(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button simultane-
ously for 2 seconds or more to start the test run.
Test run display
(3) Press the start/stop button to stop the test run.
[SELF-DIAGNOSIS]
When the error indication E:EE is displayed, follow the following items
to perform the self-diagnosis. E:EE indicates an error has occurred.
1. REMOTE CONTROLLER DISPLAY
1) Stop the air conditioner operation.
2) Press the set temperature buttons simultaneously for 5 seconds or more to start the self-diagnosis.
Refer to the following tables for the description of each error code.
Unit number (usually 0)
Error code
SUMOTUWETH FR
SA
Ex. Self-diagnosis
(3) Press the set temperature buttons simultaneously for 5 sec-
onds or more to stop the self-diagnosis.
Error code Error contents
00
01
02
Communication error
(indoor unit remote controller)
Communication error
(indoor unit outdoor unit)
Room temperature sensor open
2. OUTDOOR UNIT LEDS
When the outdoor temperature drops, the outdoor units fans may switch
to low speed.
ERROR : HEAT & COOL MODEL (REVERSE CYCLE) ONLY
The LED lamps operate as follows according to the error contents.
Error display
LED1 LED2 Error contents
0.1 sec.
ON
OFF
Quick flash continued Quick flash continued
0.5 sec.
ON
OFF
1 quick flash repeated Lighting continued
ON
OFF
2 quick flash repeated Lighting continued
ON
OFF
3 quick flash repeated Lighting continued
4 quick flash repeated Lighting continued Outdoor temperature
5 quick flash repeated Lighting continued
6 quick flash repeated Lighting continued Indoor unit error
7 quick flash repeated Lighting continued Discharge temperature
8 quick flash repeated Lighting continued
When the fault is cleared, the LED lamp goes off.
However, for discharge pipe temperature abnormal and high pressure
abnormal, the LED lamp lights continuously for 24 hours, as long as the
power is not turned off.
2 sec.
0.5 sec.
2 sec.
0.5 sec.
2 sec.
ON
OFF
ON
OFF
ON
OFF
0.1 sec.
Model abnormal or
EEPROM abnormal
Power source
connection error
Discharge temperature sensor error
Outdoor heat
exchanger temperature sensor error
sensor error
Communication signal error
abnormal
High pressure abnormal
03
04
05
06
07
08
09
0A
0b
0c
0d
0E
0F
11
12
13
14
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor shortcircuited
Outdoor heat exchanger temperature sensor open
Outdoor heat exchanger temperature sensor shortcircuited
Power source connection error
Float switch operated
Outdoor temperature sensor open
Outdoor temperature sensor short-circuited
Discharge pipe temperature sensor open
Discharge pipe temperature sensor short-circuited
Outdoor high pressure abnormal
Discharge pipe temperature abnormal
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
2005.02.10 12
DISASSEMBLY ILLUSTRATION
Models : ARG25FUAN
ARG25UUAN
74
324
160
Insulation
73
764
146
75
Control Box
Insulation
20
325
2005.03.01 13
72
Insulation
111
139
67
138
40
41
56
108
110
164
2005.02.10 14
150
Models : ARG25FUAN, ARG25UUAN
223
236
553
287
817
816
288
287
2005.03.01 15
875
956
Models : AOG25FNAKL
AOG25UNAKL
2005.03.01 16
Model : AOG25FNAKL
Model : AOG25UNAKL
412
51
754
109
46
55
51
754
109
8
412
8
55
46
107
2005.03.01 17
107
790
Model : AOG25FNAKL
47-1
735-3
272
178-2
348-1
13-2
13-1
2005.03.01 18
Model : AOG25UNAKL
867
361
333
271
344
343
735-3
259
13-2
13-1
272
272
178-2
2005.03.01 19
Model : AOG25FNAKL
34
38
985
37
218-3
984
32
824-4
823-2
983
187
815-3
989-1
989-2
Model : AOG25UNAKL
987
988
989
986
34
38
451
236
32-2
187
218-4
815-3
989-1
989-2
37
2004.03.01 20
32
PARTS LIST
INDOOR UNIT
Ref.
No.
20 Control Cover -A Sub Assy 9374516018
40 Motor Mount
41 Bracket Motor Assy 9374230013
56 Sirocco Fan Assy 9356531022
67 Rubber 313659068604
72 Cabinet L Sub Assy 9374509010
73 Cabinet R Sub Assy
74 Intake Cover Sub Assy
75 Outlet Panel Sub Assy
108 Base Sub Assy
110 Casing A
111 Casing B
138 Separatewall Assy 9374228010
139 Panel (Control Box) Sub Assy
146 Evaporator Assy
150 Bracket (Eva) -R 9374207015
160 Drain Pan Sub Assy
164 Motor, Induct
223 Control Box -A 9374219018
236 Controller PCB Assy
Description
ARG25FUAN ARG25UUAN
9374516018
9374281015
9374230013
9356531022
313659068604
9374509010
9374508013
9374512010
9374510016
9374504015
9374233014
9374234011
9374228010
9374506019
9374518012
9374207015
9374513017
9600830086
9374219018
9705246089
Part No.
9374281015
9374508013
9374512010
9374510016
9374504015
9374233014
9374234011
9374506019
9374518012
9374513017
9600830086
9705246096
(K03BZ-0409HSE-C1)(K03BZ-0408WSE-C1)
Ord.
Q'ty
287 Cap (Power) 9352173011
288 One Touch Bush 93744070199374407019
324 Main Panel Sub Assy 9374511013
325 Intake Frame Assy
553 Transformer (Power)
764 Drain Cap
816 Terminal 3P 9703345012
817 Terminal 3P 9306489045
875 Power PCB Assy
956 Control Cover -B
Thermo. Spring -A 313728262708
Thermistor Assy -Room 9703299025
Thermistor Assy -Pipe
Remotecontroller Assy 9372266014
RFM (Motor Band) 9374646012
Motor Band -B
Control Box -B
Motor Band -A Assy 9374647019
Wire with Connector 9704856012
Wire with Connector
Wire with Connector
Wire with Connector 9705244023
9352173011
9374511013
9374216017
9704129017
9356541007
9703345012
9306489045
9705668027
9374222018
313728262708
9703299025
9703297021
9372266021
9374646012
9374648023
9374220014
9374647019
9704856012
9705245020
9705243026
9705244023
9374216017
9704129017
9356541007
9705668010
9374222018
9703297021
9374648023
9374220014
9705245020
9705243026
2005.03.01 21
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.
OUTDOOR UNIT
Ref.
No.
2 Fan Guard
4 Emblem-Rear
5 Front Panel Ptd
7
Connector Cover (Cabinet)
8
Wire Assy (Comp)
9
Side Panel R Ptd
12 Base Assy, Ptd
13-1 3-Way Valve Assy
13-2 2-Way Valve Assy
16 Condenser Assy
26 Compressor Cover A
29 Separate Wall
32 Control Box
34 Capacitor, Plastic
37 Running Capacitor
38 Capacitor Clamp Metal
39 Propeller Fan Assy
41 Motor Induct
45-1 Motor Bracket
45-2 Motor Bracket-Top
45-3 Motor Bracket Ctr
45-4 Motor Bracket Bottom
46 Compressor Assy
47-1 Rubber (Discharge Pipe)
51 Special Nut M5
55 Special Nut M8
64 Side Panel L Ptd
69-3 Bolt, Hex. Socket
85 Valve Plate Ptd
107 Rubber Seat-A
Description
Part No.
AOG25FNAKL
9371187013
9372171011
9371924014
9366398004
9372334010
9371927015
9371920016
9372205013
9372204023
9372181027
9372327012
9371933016
9371935010
9900130022
9703107023
313791061807
9366378013
9601671046
9371929019
9371931012
9371930015
9371932019
9372558010
313194159807
9300301015
9355091008
9371926018
301210060360
9371928012
9351049010
Ord.
Q'ty
Ref.
No.
2 Fan Guard
4 Emblem-Rear
5 Front Panel Ptd
7 Connector Cover (Cabinet)
8 Wire Assy (Comp)
9 Side Panel R Ptd
12 Base Assy, Ptd
13-1 3-Way Valve Assy
13-2 2-Way Valve Assy
16 Condenser Assy
26 Compressor Cover A
29 Separate Wall
32 Control Box
32-2 Control Box B
34 Capacitor, Plastic
37 Running Capacitor
38 Capacitor Clamp Metal
39 Propeller Fan Assy
41 Motor Induct
45-1 Motor Bracket
45-2 Motor Bracket-Top
45-3 Motor Bracket Ctr
45-4 Motor Bracket Bottom
46 Compressor Assy
51 Special Nut M5
55 Special Nut M8
64 Side Panel L Ptd
69-3 Bolt, Hex. Socket
85 Valve Plate Ptd
107 Rubber Seat-A
Description
Part No.
AOG25UNAKL
9371187013
9372171011
9371924014
9366398004
9372334010
9371927015
9371920016
9372205013
9372204023
9372181010
9372327012
9371933023
9371935010
9371936017
9900130022
9703107023
313791061807
9366378013
9601671046
9371929019
9371931012
9371930015
9371932019
9372558010
9300301015
9355091008
9371926018
301210060360
9371928012
9351049010
Ord.
Q'ty
109 Teminal Cover (Comp)
187 Clip (Cable)
218-3 Relay
272 Strainer
412 Cover Gasket (Comp.)
527 Protectiive Net
734 Top Panel
735-3 Capillary Assy
754 Terminal Gask. Washer 9351053017
815-3 Terminal-5P
823-2 Fuse Holder
824-4 Fuse
984 Bracket (switch)
985 Bracket (thermostat)
989-1 Cord Clamp-A
989-2 Cord Clamp-B
9371511016
313394274808178-2 Capillary Holder Rubber
9352715006
9900074012
9369287008
9372190029348-1 Outlet Pipe (Cond)
9371512013
9371934013
9371925011
9372197059
9900203023
0500063024
0600222529
9352553004983 Outdoor Thermostat
313986353607
9372643013
9359822011
9359823018
109 Teminal Cover (Comp) 9371511016
178-2 Capillary Holder Rubber
187 Clip (Cable)
218-4 Power Relay
236 PCB Assy 9704299062
259 Muffler
271 4-Way Valve Rubber
272 Strainer
333 Accumulator
343 Solenoid 9900165024
344 4-Way Valve
361 Accum Support Assy
412 Cover Gasket (Comp.)
451 TRANSFORMER 9900039011
527 Protectiive Net
734 Top Panel
735-3 Capillary Assy
754 Terminal Gask. Washer
790 Belt Heater 9361140165
815-3 Terminal-5P 9900203023
867 Accumulator Holder Rubber
986 Bracket (thermo) 9373154013
988 Discharge Temp thermistor
989 Heat Exchanger thermistor
989-1 Cord Clamp-A
989-2 Cord Clamp-B
313394274808
9352715006
9353611017
9372369012
313728251908
9369287008
9368391003
9900163013
9372252017
9371512013
9371934013
9371925011
9372197288
9351053017
9354022010
9900037031987 Outdoor Temp thermistor
9900038014
9900043032
9359822011
9359823018
2005.03.01 22
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.
STANDARD ACCESSORIES
INDOOR UNIT ACCESSORIES
Name and Shape Q'ty Application
Hanger
Special nut A
(large flange)
Special nut B
(small flange)
Coupler heat
insulation
(large)
Coupler heat
insulation
(small)
Nylon fastener
Remote
control unit
For suspending the indoor
4
unit from ceiling
4
For suspending the indoor
unit from ceiling
4
For indoor side pipe joint
2
(large pipe)
For indoor side pipe joint
1
(small pipe)
1
For fixing the drain hose
(large)
1
For fixing the remote
(small)
controller cord
1
Part No.
ARG25FUAN ARG25UUAN
9356563009
313005446653
313005446759
9350716029
9352766015
312300787605
313361275805 31361275805
9372266021
9356563009
313005446653
313005446759
9350716029
9352766015
312300787605
9372266014
Tapping screw
Drain hose insulation
Remote controller
cord
For installing the remote
2
control unit cord clamp
Insulates the drain hose
1
and vinyl hose connection
1
OUTDOOR UNIT ACCESSORIES
Name and Shape Q'ty
Drain pipe
1
Drain cap
1
0700181108
313806217708
9372714010 9372714010
Part No.
AOG25FNAKL AOG25UNAKL
-----------
-----------
9303029015
313166024302
0700181108
313806217708
2005.03.01 23
0501G2733
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