Page 1
SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT
Models
Indoor unit Outdoor unit
type
ARG18RLC AOG18RNDL
ARG18RLCH
AOG18RNDL
ARY18RLC AOY18RNDL
ARY18RLCH
AOY18RNDL
ART18RLC AOT18RNDL
AOT18RNDLART18RLCH
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . 2
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . 3
REFRIGERANT SYSTEM DIAGRAM . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . 5
INDOOR PCB CIRCUIT DIAGRAM . . . . . . . 6
OUTDOOR PCB CIRCUIT DIAGRAM . . . . . 7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . 8
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . 14
Page 2
SPECIFICATIONS
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY (kW)
HEATING CAPACITY (kW)
ELECTRICAL DATA
POWER SOURCE (V)
FREQUENCY (Hz)
RUNNING CURRENT (A)
INPUT WATTS (kW)
EER (kW/kW)
MOISTURE REMOVAL
AIR CIRCULATION-Hi
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
COMPRESSOR
TYPE
( /hr)
(m3/hr)
ARG18RLC
ARY18RLC
AOG18RNDL
AOY18RNDL
5.20 - 5.30
5.60 - 5.70
220 - 240 240 - (220)
50 50
9.8 - 10.0
9.0 - 9.2
2.10 - 2.20
1.90 - 2.00 2.00
2.48 - 2.41 2.45
2.95 - 2.85 2.90
1.6 1.6
750
ART18RLC
AOT18RNDL
5.3
5.8
240 - (220)
50
10.0
9.2
2.16
2.00
2.45
2.90
1.6
750
Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor
ARG18RLCH
ARY18RLCH
AOG18RNDL
AOY18RNDL
5.20 - 5.30
5.60 - 5.70
220 - 240
50
9.8 - 10.0
9.0 - 9.2
2.10 - 2.20
1.90 - 2.00
2.48 - 2.41
2.95 - 2.85
1.6
750 750
ART18RLCH
AOT18RNDL
5.3
5.8
10.0
9.2
2.16
DISCRIMINATION
FAN MOTOR
DISCRIMINATION
POWER SOURCE
INDOOR UNIT
OUTDOOR UNIT
HI-SPEED
MED-SPEED
LO-SPEED (r.p.m.)
DISCRIMINATION
POWER SOURCE
HI-SPEED
LO-SPEED (r.p.m.)
(r.p.m.)
(r.p.m.)
(r.p.m.)
DIMENSIONS
INDOOR UNIT (mm)
H x W x D
H x W x DOUTDOOR UNIT
WEIGHT
INDOOR UNIT
OUTDOOR UNIT
Gross / Net
Gross / Net
(V)
(V)
(mm)
(kg)
(kg)
2JS350D5BB02
MFA-18HTT MFA-18HZT
220 - 240 220 - 240
960 1,310
900 1,220
840 1,120
MFB-25JTT
220 - 240
740
280
217 x 953 x 595
643 x 840 x 336
29 / 25
76 / 68
REFRIGERANT CHARGE
PIPE LENGTH 7.5 m (25 ft)
FULL CHARGE
AMOUNT
ADDITIONAL CHARGE 50 g(1.8 oz.)/1 m(3.3 ft) for Reverse cycle model
10 m (33 ft)
15 m (49 ft)
20 m (66 ft)
1,800g ( 63.5 oz.)
1,925g ( 67.9 oz.)
2,175g ( 76.7 oz.)
2,425g ( 85.5 oz.)
12005.11.15
Page 3
OUTLINE AND DIMENSIONS
INDOOR UNIT
886
850
390
(unit : mm)
150
OUTDOOR UNIT
953
920
600
840
643333
336
605
57520
217
25
804
22005.11.15
Page 4
REFRIGERANT SYSTEM DIAGRAM
INDOOR UNIT
Distributor
Evaporator
Cooling
Heating
: Flare coupling
Refrigerant pipe
9.53mm(3/8")
Refrigerant pipe
15.88mm(5/8")
Charging valve
OUTDOOR UNIT
Dryer
Compressor
Accumulator
4-Way
valve
Capillary
tube
Strainer
Condenser
Strainer
32005.11.15
Page 5
CIRCUIT DIAGRAM
Models : ARG18RLC, ARG18RLCH
ARY18RLC, ARG18RLCH
ART18RLC, ARG18RLCH
THERMISTOR (PIPE TEMP.)
THERMISTOR (ROOM TEMP.)
FAN
MOTOR
FM
FAN MOTOR
CAPACITOR
BLUE
PURPLE
PINK
RED
WHITE
BLACK
GREEN/YELLOW
WHITE
WHITE
GRAY
GRAY
BLACK
1 2
CN8
BLACK
BLACK
3
WHITE
2
(N)
CN17
RED
1
1 2
CN7
1
CN6
2
1
2
1
2
CN15 CN10
3
CONTROL
1
2
1
2
3
4
5
6
BOARD
CN4
CN5
CN1
TERMINAL
3
2
(N)
1
OUTDOOR UNIT
3
2
(N)
REMOTE
1
CONTROL
TO OUTDOOR UNITTO REMOTE
CONTROL
CONTROL UNIT
1 2 3
Use T3.15AÐ250V
Fuse on F101
BLACK
WHITE
RED
N
L
FILTER BOARD
BLACK
WHITE
GREEN
Models : AOG18RNDL
AOY18RNDL
AOT18RNDL
1 2 3 4 5
OVERLOAD
PROTECTOR
COMPRESSOR
C
S
RED
COMPRESSOR
CAPACITOR
TO POWER SUPPLY
BLACK
TEST
CN10
R
WHITE
1 2 1 2
RED
RED
NO
COM
POWER
RELAY
BLACK
GREEN
E
BLACK
BLACK
4WV
SOLENOID
COIL
WHITE
BLUE
L N 3
THERMISTOR
(PIPE TEMP.)
GRAY
GRAY
1 2 1 2 1 2
THERMISTOR
(OUTDOOR TEMP.)
BLACK
BLACK
CN13CN12CN11
PRINTED CIRCUIT BOARD
CN1CN15 CN9 CN4
4 3 1
WHITE
BLACK
WHITE
2
(N)
RED
TERMINAL
1
1 2
WHITE
FAN MOTOR
CAPACITOR
CN3
1 2
RED
RED
WHITE
TRANSFORMER
TO INDOOR UNIT
CN2
1 2
PURPLE
PURPLE
THERMISTOR
(DISCHARGE TEMP.)
BROWN
BROWN
Fuse
T3.15A 250V
CN5
1 2 3 4
E
CK
E
D
A
U
E
L
WHIT
R
BL
B
FAN
MOTOR
42005.11.15
Page 6
INDOOR PCB CIRCUIT DIAGRAM
CONTROLLER PCB ASSY
JM6
K4
G5NB-1A DC12V
CN6-2
DRAIN PUMP
CN6-1
CN6 B2P3-VH-B-E BLUE
L
FH1
TM101
POWER SOURCE
240V
50Hz
N
TM102
UL1015 AWG16
GREEN
FAN CAPACITOR
450V
2.3uF
BLACK
UL1015 AWG22
UL1015 AWG18 BLACK
UL1015 AWG18 WHITE
UL1015 AWG18 RED
FAN MOTOR
TERMINAL BOARD
OUTDOOR UNIT
R1 3.3
<RGGS-5W>
D1
D3SB60
C3 0.22 <RE>
R88 120 <1/2W>
FH2
F1
3.15
<BET>
SA101
RA-362M
E101 W103
CN4
B2P3-VH-B-Y
YELLOW
WHITE
UL1015 AWG20
UL1015 AWG20
CN5
B6P11-VH-B WHITE
PURPLE
UL1015
AWG22
PINK
UL1015
AWG22
RED
UL1015 AWG22
UL1015 AWG22 WHITE
UL1015 AWG22 BLUE
F M
3
2
1
E
C5
+
100/
450V
VA102 470
<TNR>
VA101 470
<TNR>
W104
UL1015 AWG18
BLACK
UL1015 AWG18 WHITE
UL1015 AWG18 RED
WHITE
C6
4700P
<ECQM>
R4 330K
<SPRH-2W>
Q1
2SC4236
R3 100
<1/10W>
Q2
2SC1815
R2 1.5
<RSP2-2W>
R7
330
<1/4W>
ELF17N015A
C103
0.01
<F>
C104
0.01
<F>
LF101
POWER SUPPLY PCB
CN1-1
CN1-2
CN1-3
CN1
B3P5-VH-B-C
BLACK
CN4-1
CN4-2
CN5-1
CN5-2
CN5-6
SL
CN5-5
L
CN5-4
M
CN5-3
H
D5
1SR139-600
D10
1SR139-600
C7 0.047
<ECQB>
D2
D1FL20U
D3
MTZJ5.1B
C105
0.022
<YE>
C106
0.022
<YE>
K3
G5S-1 DC12V
K2
G5S-1 DC12V
NO.1
NO.2
NO.3
R5 62K
<RSP2-2W>
R6 100
<1/2W>
D4
D1FL20U
C8
100
+
/6.3V
C101
0.22
<RE-C>
K1
G5S-1 DC12V
TEST
SW1
DSS803
ZONE CONTROL SWITCHING
ROOM TEMPERATURE CORRECTION
(HEATING OPERATION)
ROOM TEMPERATURE CORRECTION
(HEATING OPERATION)
R15 - R17
10K <1/10W> x 3
REMOTE CONTROLLER CUSTOM
CODE SWITCHING (R1)
REMOTE CONTROLLER CUSTOM
CODE SWITCHING (R2)
T1
SWITCHING TRANSFORMER
ZFT29B01
PRIMARY
D6
D2FL20U
C9
1000
/25V
SECONDARY
C54
0.01
<F>
VA1
470
<TNR>
18
14
10
+
5V
SSR1
G3MC-201P-VD
+
-
VA2
CN9-1
CN9-2
CN9-3
CN9-4
CN9-5
CN9
B5P-SHF-1AA
R39 10K
<1/10W>
R38 10K
<1/10W>
5V
R37 10K
<1/10W>
JM1
JM2
JM3
14V
R8 10K
<1/10W>
SW2
DRS4016-5
C
IC10 HI2002
R93 - R96
10K <1/10W> x 4
R21 - R24
5V
10K <1/10W> x 4
5V
IC2
12V
7812
I
O
G
C11
10/
25V
IC3
7805
I
O
G
C13
0.1
<F>
5V
R29 - R32
10K <1/10W> x 4
8
4
2
1
14V
K2
K1
K3
K4
R25 - R28
1.0K <1/10W> x 4
R42 1.0K <1/10W>
R41 1.0K <1/10W>
R40 1.0K <1/10W>
R18 1.0K <1/10W>
R19 1.0K <1/10W>
R20 1.0K <1/10W>
C19 - C21
0.01 x 3
<F>
+
R59
10K <1/10W>
5V
+
C14
100/
6.3V
R33 - R36
1.0K <1/10W> x 4
C26 - C29
0.01 x 4
5V
<F>
1
10 7
5
2
3
R10
10K
<1/10W>
4
C17
0.01
Q3
<F>
DTC124EKA
14V
9
11
12
13
14
15
8
IC5 (1/7)
uPA2003GR
C22 - C25
0.01 x 4
<F>
C10
C12
0.01
0.01
<F>
<F>
R97
10K <1/10W>
R98
C15
0.1
<F>
IC5 (1/7)
uPA2003GR
R14 10K
<1/10W>
5V
R9 390
<1/10W>
6
5
4
3
2
NC
NC
C30
0.01
<F>
EZ-00225HSE-C
5V
CN8 B2B-XASK-1-A
176
2
P16
3
P17
I C 1
uPD780058GC-497-8BT
52
R99
JM10
10K <1/10W>
C47
0.1
<F>
CR6
0.01
<F>
P120
P122
54
55
P123
66
P05
65
P04
74
VDD0
68
VDD1
75
AVRF0
AVRF1
7
4
AVSS
67
VSS0
33
VSS1
71
I C
72
XT2
56
P124
57
P125
58
P126
P127
59
41
P65
42
P66
63
P02
40
P64
39
P63
38
P62
37
P61
36
P60
43
P67
44
P30
45
P31
46
P32
50
P36
51
P37
19
P40
20
P41
21
P42
X1 X2
70
1
X1 CSTS0500MG03-T
NC
10K <1/10W>
NC
CR5
0.01
<F>
P10P15
P11
C32
1000P
<R>
77
C35
1000P
<R>
R44 1.0K
<1/10W>
R46 1.0K
<1/10W>
R50 10K <1/10W>
8
P70
9
P71
10
P72
6
P131
25
P46
15
P24
14
P23
26
P47
P57
35
34
P56
P51
28
P52
29
P53
30
P54
31
64
P03
CR7
0.01
<F>
27
P50
32
P55
R60 10K
<1/10W>
61
P00
Q5
2SC2712
53
P121
62
P01
78
P12
P13
79
80
P14
P33
47
48
P34
49
P35
24
P45
23
P44
22
P43
C31
C16
0.01
0.01
<F>
<F>
73
XT1
R55 10K
<1/10W>
RESET
60
C44
69
2
0.1
<F>
3
NC
NC
NC
NC
5V
NC
NC
NC
R51 1.0K
<1/10W>
R61 10K
<1/10W>
R91 10K
<1/10W>
C43
0.01
<F>
5V
R67 1.0K
<1/10W>
R77 - R79
10K <1/10W> x 4
5V
R67 10K
<1/10W>
R52 10K
<1/10W>
5V
Q6
2SC2712
Q7
2SC982
R92 10K
<1/10W>
CR2 - CR5
10K <1/10W> x 4
R81 1.0K <1/10W>
R72 1.0K <1/10W>
R71 1.0K <1/10W>
RJ2 10K
<1/10W>
RJ1 1.0K
<1/10W>
C49
5V
0.01
<F>
1
3
2
IC8
PST600C
R62 4.7K
<1/10W>
R70 10K <1/10W>
5V
C45
0.1
<F>
R43
10K (1%)
<1/10W>
R45
49.9K (1%)
<1/10W>
5V
84
D0
VCC
D1
CK
GND
CS
12V
+
-
IC11-2
BA10358
5V
R80 10K <1/10W>
7
NC
6
NC
5
IC5 (1/7)
1
12V
D7
DA226U
SW4
DSS803
NO.3
NO.2
NO.1
CN15
B3B-XARK-1-A
RED
C39
0.1
<F>
R63
15.4K (1%)
<1/10W>
R64
28K (1%)
<1/10W>
12V
IC11-1
BA10358
+
-
CN15-1
CN15-2
CN15-3
3
2
1
IC7
BR93LC46RF
C1
0.1
<F>
5V
R65 390
<1/10W>
R69 10K <1/10W>
NO.3 FAN SWITCHING
NO.2 FAN SWITCHING
NO.1 ROOM TEMPERATURE CORRECTION
(COOLING OPERATION)
C34
0.1
<F>
C37
0.1
<F>
16
R66 10K
<1/10W>
R75 10K <1/10W>
R58 10K <1/10W>
C38
0.01
<F>
CN10
B3B-XAMK-1-A
GREEN
CN17
B3B-XAKK-1-A
12V
BLACK
L2
L4
L3
TERMINAL BOARD
FLOAT SWITCH
5V
R76 10K <1/10W>
R100 10K <1/10W>
14V
CN10-1
HEATER
CN10-2
CN17-1
CN17-2
CN17-3
32
REMOTE CONTROL UNIT
EZ-002PHSE-R
CN8-1 BLACK
CN8-2 BLACK
CN7 B2B-XAKK-1-A
CN7-1 GRAY
CN7-2 GRAY
Q4
DTC124EKA
5V
R48
R49 1.0K
<1/10W>
UL1430 AWG22 BLACK
10K
<1/10W>
UL1430 AWG22 WHITE
UL1430 AWG22 RED
1
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
CN14
5V
R47 390
<1/10W>
B4B-XH-AM
CN14-4
CN14-3
CN14-2
CN14-1
HA
JEM-A
52005.11.15
Page 7
OUTDOOR PCB CIRCUIT DIAGRAM
UL1430 AWG22 RED CN3-2
UL1015
AWG22
PURPLE
POWER SOURCE
240V
50Hz
SECONDARY
UL1430 AWG22
THERMAL FUSE
UL1015
PRIMARY
AWG22
PURPLE
4WV
4WV
COMPRESSOR RUNNING
CAPACITOR
UL1015 AWG12 WHITE
UL1015 AWG20 RED
UL1015 AWG20 WHITE
UL1015 AWG20 BLACK
L
N
3
2
1
POWER
TRANSFORMER
EZ-095HHSE-T1
CN1
B3P5-VH-B-R
<RED>
GREEN
UL1015 AWG16
BLACK
BLACK
RED
E
BLUE
WHITE
TERMINAL BOARD
CN3-1RED
CN3
B2B-XH-AM
<WHITE>
CN2-2
CN2-1
CN1-1
CN1-2
CN1-3
CN9-1
CN9-2
S
WHITE
COMP
CN2
B2P3-VH-B-R <RED>
FH1
F1
3.15A
<250V>
E
CN9
179844-1 <WHITE>
C
BLACK
R
BLACK
UL1015 AWG12
D1
D2SB20
+
C11
R1
2200
5.6K
/35V
<1/4W>
FH2
C1
0.22
<RE>
VA1 470
<TNR>
VA4
470
<TNR>
POWER RELAY
JM1AN-ZTM-DC12V
FAN
CAPACITOR
450V 3.5uF
UL1015 AWG20
UL1015 AWG20
F M
UL1015 AWG20
UL1015 AWG20
FAN MOTOR
R2
C8
5.6K
10/
<1/4W>
25V
C14
0.01
<F>
C15
0.01
<F>
SA1
RA-362M
K1
G5NB-1A
DC12V
EMI FILTER
ZCAT1518-0730
RED
UL1430 AWG24
RED
UL1430 AWG24
WHITE
UL1015 AWG18
WHITE
UL1015 AWG18
BLACK
WHITE
RED
BLUE
R22 1.0K
<1/4W>
+
D2
MTZJ15C
ELF17N015A
LF1
VA5
470
<TNR>
CN15-1
CN15-2
CN4-1
CN4-2
CN5-1
CN5-2
CN5-3
CN5-4
Q1
2SD880
C2
0.22
<RE>
12V
CN15
B2B-XASK-1-A
<WHITE>
CN4
53331-0210
<WHITE>
H
L
CN5
B4P7-VH-B
<WHITE>
CN8
179844-2
<RED>
12V
+
C7
10/
25V
14
10
18
C4
0.22
<RE>
K3
JQ1-12V
D3
D1F60
R25
120
K
G5NB-1
DC
+
C12
2200
/25V
K2
G5NB-1A
DC12V
6
12V
IC4
7805
IGO
IC2 HU2001
A
5V
C28
0.1
<F>
4WV
FAN-ON (HI)
FAN-LO
C. CH
12V
100/
25V
R41 10K
<1/4W>
R9 4.7K
<1/4W>
K 1
K 2
K 3
K 6
2
C18
0.01
<F>
1
3
5
4
5V
+C13
5V
5V
C29
0.1
<F>
Q3
DTC124EKA
5V
R7 10K
<1/4W>
R13 1.0K
<1/4W>
12
16
14
15
13
11
10
CONTROLLER PCB ASSY
EZ-002RHUE-C
34
AVREF
AVDD
JM1
5V
R10 4.7K
<1/4W>
CR2
0.01
<F>
CR3
0.01
<F>
Q4
DTC124EKA
12V IC6 (7/7)
uPA2003GR
9
5
1
3
2
4
6
7
8
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
35
10
VDD0
24
VDD1
38
XT1
25
AGND
GND0
9
42
GND1
39
I C
30
P13
P14
29
P15
28
27
P16
43
P00
46
P03
45
P02
55
P66
59
P42
P40
57
58
P41
56
P67
54
P65
53
P64
XT2
37
23
P25
22
P24
P35
16
15
P34
8
P57
P56
7
P55
6
5
P54
4
P53
3
I C 1
uPD7800024AGK
-B67-9ET
RESET
P36
P22
P21
P20
P23
P17
P01
P30
P31
P32
P33
P10
P11
P12
P50
P51
P70
P71
P72
P73
P74
P75
P43
P44
P45
P46
P47P52
36
17
20
19
18
21
26
44
11
12
13
14
C20
0.01
<F>
33
32
31
1
2
47
48
49
50
51
52
60
61
62
63
64
C24
0.1
<F>
R30
10K
<1/4W>
R40
10K <1/4W>
CJ4
CR1
10K <1/4W>
C20
0.01
<F>
C19
0.01
<F>
CJ1
1000P
<B>
CJ2
1000P
<B>
CJ3
1000P
<B>
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
5V
R33
10K
<1/4W>
R31
10K
<1/4W>
R32
10K
<1/4W>
5V
C17
0.01
<F>
R27 10K
<1/4W>
R28 10K
<1/4W>
5V
IC5
PST600C
VCC
OUT
GND
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>
C23
0.1
<F>
IC7
BR93LC46
CS
VCC
SK
D0
D1
NC
NC
GND
5V
5V
R29 10K
<1/4W>
R18 - R21
1.0K <1/4W> x 4
R11
14K (1%)
<RN - 1/5W>
R12
14K (1%)
<RN - 1/5W>
R3
6.65K (1%)
<RN - 1/5W>
C22
0.1
<F>
R35 - R38
10K <1/4W> x 4
5V
C25
0.1
<F>
C26
0.1
<F>
C27
0.1
<F>
CN10
B5P-SHF-1AA
TIMER
TEST 1
TEST 2
TEST 3
<WHITE>
CN10-1
CN10-2
CN10-3
CN10-4
CN10-5
CN11
B2P-VH-B
5V
<WHITE>
CN12 B2P-VH-B-C <BLACK>
CN13
TEST
CN11-2
CN11-1
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
TO INDOOR UNIT
E
X1
8.38MHz
X1
1
X2
41
40
3
2
62005.11.15
Page 8
ERROR CONTENTS
1. INDOOR UNIT
When EE : EE blinks at the current time display, there is
•
an erro r insi de th e air c ondi tione r. If the SE T TIM E
bu t t on ( ) a nd SE T TE MP . /D AY b ut to n ( ) ar e
pressed simultaneously for more than three seconds,
the self diagnosis check will start and the error contents
will be displayed at the current time display.
When the operation lamp lights, press the START/STOP
button and after operation lamp goes off, perform the
same operation.
Process the error contents by referring to (Table 1).
CLOCK
21
SET TIME TEMP./DAY FAN
TEMP
AUTO
HIGH
COOL
DEFROST
CONTROL
MASTER
CONTROL
START/STOP
ZONE
ENERGY SAVE ENERGY SAVE
DAY OFF
SET
TIMER
MODE
CLOCK ADJUST
21
SET TIME TEMP./DAY FAN
AUTO
CONTROL
SET
DAY OFF
Table 1
Error contents
Communication error
(indoor unit remote controller)
Communication error
(indoor unit outdoor unit)
Room temperature sensor open
Room temperature sensor shortcircuited
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
MASTER
CONTROL
START/STOP
NON STOP
TIMER
MODE
CLOCK ADJUST
Stop operation.
Error cord
2. OUTDOOR UNIT
When the outdoor temperature drops, the outdoor unit's
fans may switch to low speed, or one of th e fans may
stop intermediately.
ERROR : Heat & Cool model (Reverse cycle) only
The LED lamps operate as follows (Table 2) according to
the error contents.
Table 2
Error display
LED 1 LED 2
0.1 sec.
ON
OFF
Quick flash continued
0.5 sec.
ON
OFF
2 sec.
1 quick flash repeated
0.5 sec.
ON
OFF
2 sec.
2 quick flash repeated
0.5 sec.
ON
OFF
2 sec.
3 quick flash repeated
4 quick flash repeated Lighting continued
5 quick flash repeated Lighting continued
0.1 sec.
ON
OFF
Quick flash continued
ON
OFF
Lighting continued
ON
OFF
Lighting continued
ON
OFF
Lighting continued
Error contents
Model abnormal or
EEPROM abnormal
Power source
connection error
Discharge temperature
sensor error
Outdoor heat
exchanger temperature
sensor error
Outdoor temperature
sensor error
Communication signal
error
Indoor unit error6 quick flash repeated Lighting continued
Outdoor temperature sensor open
Outdoor temperature sensor shortcircuited
Discharge pipe temperature sensor open
Discharge pipe temperature sensor shortcircuited
Outdoor high pressure abnormal
Discharge pipe temperature abnormal
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
• To stop test running, press the START/STOP button.
• For the operation method, refer to the operating manual and
perform operation check.
• Check that there are no abnormal sounds or vibration
sounds during test running.
7 quick flash repeated Lighting continued
Discharge temperature
abnormal
8 quick flash repeated Lighting continued
High pressure
abnormal
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.
72005.11.15
Page 9
DISASSEMBLY ILLUSTRATION
Models : ARG18RLC, ARG18RLCH
ARY18RLC, ARY18RLCH
ART18RLC, ART18RLCH
160
146
173
74
762
464
184-1
196-2
587
235
588-2
232
147
588-1
761
173
287
625
381-4
244
63
173
82005.11.15
Page 10
56
109
138
126
67
320-1
164
338
67
653-1
143-1
320-1
56
234
734
92005.11.15
Page 11
223
381-4
287
982-2
982-1
143-1
380
875
34
240
815
195
XXX
236
514
102005.11.15
Page 12
Models : AOG18RNDL
AOY18RNDL
AOT18RNDL
7
9
32-1
17
16
187
55
109
46
646
6
26
107
8
12
29
187
45
5
67
41
39
338
4
2
717
112005.11.15
Page 13
16
20
271
360
17
344
838-1
332-1
300
332-2
15
115
328
334
46
735-1
867
333
14
13
910
910
735-3
348-1
735-2
122005.11.15
Page 14
304
32-2
628
38
678
34
233
549
891
235
236
210
381
815
37
187
36
32-1
132005.11.15
Page 15
PARTS LIST
INDOOR UNIT
Ref.
109 Casing Assy 9363322002 9363322002 9363322002 9363322002 9363322002 9363322002
126 Motor Fixing Table Assy 9358591000 9358591000 9358591000 9358591000 9358591000 9358591000
138 Panel Assy (Motor) 9363401004 9363401004 9363401004 9363401004 9363401004 9363401004
143-1 Clamp NK-3N 313361274700 313361274700 313361274700 313361274700 313361274700 313361274700
146 Evaporator Assy 9364456010 9364456010 9364456010 9364456010 9364456010 9364456010
147 Inlet Pipe (Eva. ) Assy 9363382006 9363382006 9363382006 9363382006 9363382006 9363382006
160 Drain Pan Assy 9364502021 9364502021 9364502021 9364502021 9364502021 9364502021
164 Fan Motor Assy 9600778173 9600778180 9600778173 9600778180 9600778173 9600778180
173 Hook Metal 9363195002 9363195002 9363195002 9363195002 9363195002 9363195002
184-1 Thermo. Spring-A 313728262708 313728262708 313728262708 313728262708 313728262708 313728262708
195 Clamp SKB-100 313361275805 313361275805 313361275805 313361275805 313361275805 313361275805
196-2 Clamp SKB-150 313035356905 313035356905 313035356905 313035356905 313035356905 313035356905
223 Control Box 9366299004 9366299004 9366299004 9366299004 9366299004 9366299004
232 Outlet Pipe (Eva. ) Assy 9363392005 9363392005 9363392005 9363392005 9363392005 9363392005
234 Thermistor Assy-Room 9703299018 9703299018 9703299018 9703299018 9703299018 9703299018
235 Thermistor Assy-Pipe 9703297052 9703297052 9703297052 9703297052 9703297052 9703297052
236 Controller PCB Assy 9704557155 9704557155 9704557155 9704557155 9704557155 9704557155
240 Remote Control Unit 9703173059 9703173059 9703173059 9703173059 9703173097 9703173097
244 Cover (Piping) 9363327007 9363327007 9363327007 9363327007 9363327007 9363327007
287 Cap (Power) 9352173011 9352173011 9352173011 9352173011 9352173011 9352173011
320-1 Wire Clamp Metal 313483219905 313483219905 313483219905 313483219905 313483219905 313483219905
338 Motor Fixture 9358594001 9358594001 9358594001 9358594001 9358594001 9358594001
380 Locking Spacer 313209391403 313209391403 313209391403 313209391403 313209391403 313209391403
381-4 Locking Spacer 0600118075 0600118075 0600118075 0600118075 0600118075 0600118075
464 Cover (Cabinet) 9363400007 9363400007 9363400007 9363400007 9363400007 9363400007
Description
No.
34 Capacitor (Fan Motor) 9357965017 9357965017 9357965017 9357965017 9357965017 9357965017
56 Sirocco Fan Assy 9358621004 9358621004 9358621004 9358621004 9358621004 9358621004
63 Front Panel Assy 9363723007 9363723007 9363723007 9363723007 9363723007 9363723007
67 Rubber (Vibration-proof) 313659068604 313659068604 313659068604 313659068604 313659068604 313659068604
74 Filter 9366833017 9366833017 9366833017 9366833017 9366833017 9366833017
ARG18RLC ARG18RLCH ARY18RLC ARY18RLCH ART18RLC ART18RLCH
Part No.
Ord.
Q'ty
514 Control Box Cover 9363201000 9363201000 9363201000 9363201000 9363201000 9363201000
567 Support Plate (Eva. ) 9363404005 9363404005 9363404005 9363404005 9363404005 9363404005
588-1 Bracket Eva. -R 9363199000 9363199000 9363199000 9363199000 9363199000 9363199000
588-2 Bracket Eva. -L 9363198003 9363198003 9363198003 9363198003 9363198003 9363198003
625 Cord Bushing 9359240006 9359240006 9359240006 9359240006 9359240006 9359240006
653-1 Bolt (Fan Motor Fixing) 0700156014 0700156014 0700156014 0700156014 0700156014 0700156014
734 Panel Top 9363504002 9363504002 9363504002 9363504002 9363504002 9363504002
761 Side Panel-R Assy 9363507003 9363507003 9363507003 9363507003 9363507003 9363507003
762 Side Panel-L Assy 9363505009 9363505009 9363505009 9363505009 9363505009 9363505009
815 Terminal-7P 9703403019 9703403019 9703403019 9703403019 9703403019 9703403019
875 Filter PCB Assy 9703583018 9703583018 9703583018 9703583018 9703583018 9703583018
982-1 Cord Clamp 9356857009 9356857009 9356857009 9356857009 9356857009 9356857009
982-2 Cord Clamp-B 9356858006 9356858006 9356858006 9356858006 9356858006 9356858006
When you order parts, please make a photocopy of this page
142005.11.15
and fill the number of the parts in the ÒOrderÓ column.
Page 16
OUTDOOR UNIT
Ref.
Description
No.
2 Fan Cover 9350214020 9350214020 9350214020
4 Emblem-Rear 313791088308 9351355005 9351355005
5 Cabinet-A, Painted 9303876015 9303876015 9303876015
6 Cabinet-C, Painted 9353549013 9353549013 9353549013
7 Connector Cover 9358011010 9358011010 9358011010
8 Wire Assy (Shield)-D 9370945041 9370945041 9370945041
9 Cabinet-B, Painted 9303874011 9303874011 9303874011
10 Noise Insulation-E 313791106305 313791106305 313791106305
12 Base Assy, Painted 9353452054 9353452054 9353452054
13 3-Way Valve Assy 9364523002 9364523002 9364523002
14 2-Way Valve Assy 9365021002 9365021002 9365021002
15 Dryer 9368111014 9368111014 9368111014
16 Condenser Assy 9353455048 9353455048 9353455048
17 U-Pipe (Y) 313728127102 313728127102 313728127102
20 Discharge Pipe Assy 9371581019 9371581019 9371581019
26 Compressor Cover 9363020007 9363020007 9363020007
29 Separate Wall 9302475011 9302475011 9302475011
32-1 Control Box Metal-A 9357137001 9357137001 9357137001
32-2 Control Box Metal-B 9357138008 9357138008 9357138008
34 Capacitor (Fan Motor) 9357965024 9357965024 9357965024
36 Cord Holder Metal 9356934007 9356934007 9356934007
37 Running Capacitor 9704436023 9704436023 9704436023
38 Capacitor Clamp 9351770013 9351770013 9351770013
39 Propeller Fan Assy 9300855013 9300855013 9300855013
41 Fan Motor Assy-Out 9600738207 9600738207 9600738207
45 Bracket (Motor) Assy 313029311100 313029311100 313029311100
46 Compressor Assy 9367240005 9367240005 9367240005
55 Special Nut M8 (For Comp. ) 9355091008 9355091008 9355091008
67 Rubber (Vibracion-proof) 313659068604 313659068604 313659068604
107 Rubber Seat-A (For Comp. ) 9351049010 9351049010 9351049010
AOG18RNDL AOY18RNDL
Part No.
AOT18RNDL
Ord.
Q'ty
109 Terminal Cover (For Comp. ) 9351048013 9351048013 9351048013
115 Joint Pipe (Dryer) 9365406007 9365406007 9365406007
187 Clamp No. 1219 313361271706 313361271706 313361271706
210 Main Relay 9356781007 9356781007 9356781007
233 Power Transformer 9900039011 9900039011 9900039011
235 Thermistor (Heat) 9900043025 9900043025 9900043025
236 Controller PCB Assy 9704299048 9704299048 9704299048
271 4-Way Valve Rubber 313728251908 313728251908 313728251908
300 Suction Pipe-C 9371276021 9371276021 9371276021
304 Thermostat Fixture-B 313349051500 313349051500 313349051500
328 Comp Plate Assy 9363049039 9363049039 9363049039
332-1 Suction Pipe-D 9367135004 9367135004 9367135004
332-2 Suction Pipe-E 9369004001 9369004001 9369004001
333 Accumulator 9350363018 9350363018 9350363018
334 Suction Pipe-B 9371275055 9371275055 9371275055
338 Motor Fixture 313029297108 313029297108 313029297108
343 Solenoid Coil 9359616108 9359616108 9359616108
344 4-Way Valve 313943302804 313943302804 313943302804
348-1 Outlet Pipe-B 9365391020 9365391020 9365391020
360 4-Way Valve Band 313986251802 313986251802 313986251802
381 Locking Spacer 313209391506 313209391506 313209391506
549 Thermistor (Out Temp. ) 9900037017 9900037017 9900037017
628 Locking Spacer-B 313005446558 313005446558 313005446558
646 Compressor Cover-B 9363021004 9363021004 9363021004
678 Bracket (Thermistor) 313557406106 313557406106 313557406106
717 Center Plate 9350216017 9350216017 9350216017
735-1 Accumulator Supporter 9362274005 9362274005 9362274005
735-2 Outlet Pipe Assy 9371580012 9371580012 9371580012
735-3 Capillary Assy 9371287034 9371287034 9371287034
815 Terminal-5P 9356497021 9356497021 9356497021
838-1 Inlet Pipe-A Assy 9366859017 9366859017 9366859017
867 Accumulator Holder Rubber 9354022027 9354022027 9354022027
891 Thermistor Discharge 9900038014 9900038014 9900038014
910 Strainer-B 9365099018 9365099018 9365099018
When you order parts, please make a photocopy of this page
152005.11.15
and fill the number of the parts in the 'Order' column.
Page 17
STANDARD ACCESSORIES
INDOOR UNIT ACCESSORIES
Name and Shape
Installation
template
Q’ty Application
For positioning the indoor
1
unit
Parts No.
ARG18RLC, ARG18RLCH ARY18RLC
ARY18RLCH ART18RLC, ART18RLCH
9364225005
ARY18RLBH
9364225005
Hook
metal
Tapping screw
( ø 3 x 12)
Special nut A
(large flange)
Special nut B
(small flange)
Coupler heat
insulation
(large)
Coupler heat
insulation
(small)
Binder
Remote
control unit
For suspending the indoor
4
unit from ceiling
8
For installing the hanger
4
For suspending the indoor
unit from ceiling
4
For indoor side pipe joint
1
(large pipe)
For indoor side pipe joint
1
(small pipe)
For remote controller and
(Small)
remote controller cord
1
binding
(Large)
For fixing the coupler heat
4
insulation
1
9363195002
301171164104
313005446653
313005446759
9350716029
9352766015
313361275805
312300787605
9703173059
9363195002
301171164104
313005446653
313005446759
9350716029
9352766015
313361275805
312300787605
9703173097
Remote
control unit
cord clamp
Tapping screw
(flush heads)
Filter
Drain hose
insulation
Remote
sensor kit
For installing the remote
10
controller cord
For installing the remote
10
controller cord clamp
3
Insulates the drain hose
1
and vinyl hose connection
For measuring the indoor
temperature
1
(refer to the remote sensor
installation manual.)
313714181904
301141153027
9366833017
313806217708
OUTDOOR UNIT ACCESSORIES
Name and Shape Q’ty Application Parts No.
Hexagon
wrench
Pipe (drain)
Flexible tube
Cap (drain)
1
For vacuum
1
For outdoor unit drain
piping work (May not be
1
supplied, depending on
the model)
2
313728031005
313013042915
313166024302
313714181904
301141153027
9366833017
313806217708
9370640014–––––
9351228019
162005.11.15
Page 18
0303J2132
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