INVERTER SPLIT TYPEAIR CONDITIONER (50Hz)
AIR CONDITIONER
DUCT type
Models
Indoor unit Outdoor unit
ARH12LUAD AOH12LMAKLARH14LUAD AOH14LMAKL
CONTENTSSPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 1OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . 2REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . .
7CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . 5INDOOR PCB CIRCUIT DIAGRAM . . . . . . . . . . .
8OUTDOOR PCB CIRCUIT DIAGRAM . . . . . . . .9
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . 11PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16STANDARD ACCESSORIES . . . . . . . . . . . . . . . . 18
SPECIFICATIONSTYPE COOLING & HEATING
INDOOR UNIT ARH12LUAD ARH14LUAD
OUTDOOR UNIT AOH12LMAKL AOH14LMAKL
COOLING CAPACITY 3.50 kW 4.30 kW
HEATING CAPACITY 4.00 kW 4.80 kW
POWER SOURCE 230 V
FREQUENCY 50 Hz
RUNNING CURRENTCOOLING 5.10 A 6.00 A
HEATING 5.80 A 6.50 A
INPUT WATTSCOOLING 1.15 kW 1.37 kW
HEATING 1.32 kW 1.49 kW
E.E.R. COOLING 3.04 kW/kW 3.14 kW/kW
HEATING 3.03 kW/kW 3.21 kW/kW
MOISTURE REMOVAL
Note : The above list shows values at the external static pressure of 0Pa, setting the fan speed high notch.
1.2 l/hr 1.5 l/hr
TYPEHermetic type, 4 poles, DC motor,
Twin Rotary
DISCRIMINATION TNB220FPCM
REFRIGERANT (R410A) 1,250 g
DISCRIMINATION
DISCRIMINATION
MFA-18NTT MFA-18NTT
HIGH-SPEED 750 r.p.m. 1,000 r.p.m.
FAN SPEEDINDOOR MED-SPEED 680 r.p.m. 860 r.p.m.
LOW-SPEED 610 r.p.m. 720 r.p.m.
OUTDOORHIGH-SPEED
LOW-SPEED
780 r.p.m.
MFB-24JTAT
400 r.p.m.
AIR FLOWINDOOR 580 m3/h 780 m3/h
OUTDOOR 2,800 m3/h
DIMENSIONSINDOOR 217 x 953 x 595 mm
H x W x DOUTDOOR 650 x 830 x 320 mm
WEIGHTINDOOR 29 / 25 kg
GROSS / NETOUTDOOR
Note : The above list shows values at the external static pressure of 0Pa,setting the fan speed high notch.
58 / 54 kg
ELECTRICAL DATA
COMPRESSOR
FAN MOTOR
PIPE LENGTH 10 m 1,250 g
FULL CHARGE AMOUNT15 m 1,350 g
20 m 1,450 g
25 m 1,550 g
MAXIMUM PIPE HEIGHT
When you dismantle indoor units which are installed, take care not to make parts fall down, especially motors.
15 m
ADDITIONAL REFRIGERANT 20 g / m
NOISE LEVEL
REFRIGERANT
HIGH-SPEED 32 dB 38 dB
INDOOR UNIT MED-SPEED
COOL
HEAT
Note : Static pressure : 0Pa / Duct length : Inlet 0.5m, Outlet 1m
29 dB 34 dB
LOW-SPEED 27 dB 30 dB
OUTDOOR UNIT52 dB 52 dB
50 dB 50 dB
12006.05.25
INDOOR UNIT(unit : mm)
OUTLINE AND DIMENSIONS
22006.05.25
Models :ARH12LUADARH14LUAD
953
920600
150
217
605
57520
886
850
390
OUTDOOR UNIT(unit : mm)
350320830
650
12
Air flowBottom
603
343
32006.05.25
Models :AOH12LMAKLAOH14LMAKL
Refrigerant Pipe( Liquid )
OUTDOOR UNIT INDOOR UNIT
Eva
pora
tor
Accumulator
Con
dens
er
Strainer
Compressor
HighPressureSwitch
Muffler
ExpansionValve
Refrigerant Pipe( Gas )
4-WayValve
Cooling
Refrigerant direction
Heating
REFRIGERANT SYSTEM DIAGRAM
Refrigerant pipe diameter
ARH12LUADGas pipe : 9.52 mm ( 3/8 inch )Liquid pipe : 6.35 mm ( 1/4 inch )
ARH14LUADGas pipe : 12.70 mm ( 1/2 inch )Liquid pipe : 6.35 mm ( 1/4 inch )
42006.06.07
Models :ARH12LUADARH14LUAD
INDOOR UNIT
CIRCUIT DIAGRAM
Thermistor (pipe temp.)
Thermistor (room temp.)
Terminal
Rem
ote
cont
rol
to re
mot
e co
ntro
l uni
tto
out
door
uni
t
Out
door
unit
CN17
CN5
CN1
Use T 3.15A - 250VFuse on F101
Filterboard
CN4
CN11(fresh air)
CN15(float sw)
CN7 CN8
CN10(heater)
CN13(display)
CN6(drain pump)
CN14(HA)
Fan motor
Fan motorcapacitor
Con
trolle
r PC
B
52006.05.25
5V
5V
5V
14V
14V
R56
BZ1PKM13EPY-4000
I C6 (2/7)uPA2003GR
uPA2003GR
I C4 (7/7)uPA2003GR
14V
5V
R57 1.0K<1/10W>
R47 390<1/10W>
R49 1.0K<1/10W>
C380.01<F>
R58, R10010K <1/10W> x 2
Q4DTC124EKA
CN15 B3B-XARK-1-A RED
R48 10K<1/10W>
C490.01<F>
C390.1<F>
5V
5VRJ210K<1/10W>RJ1 1.0K
<1/10W>
FLOAT SWITCH
CN14 B4B-XH-AM
JEM-A HA
HEATER
CN10 B2B-XAMK-1-A GREEN
CN11 B2B-XARK-1-A RED
FRESH AIR
CN13 B8B-XASK-1-A
DISPLAY BOARD5V
+C4110/25V
C420.01<F>
12V
12V12V
I C11-1BA10358
5V
5V
12V
R5210K<1/10W>
R53 10K<1/10W>
R51 0.1 <1/10W>
R54 47 <1/10W>
C400.01<F>
CR51000P<R>
5V
I C11-2BA10358
R62 4.7K<1/10W>
D7DA226U
5V
R65 390 <1/10W>
SW4DSS803
C1 0.1<F>
CR70.01<F>
I C6 (1/7)uPA2003GR
R67 1.0K<1/10W>
R68 10K<1/10W>
R6110K<1/10W>
R6010K<1/10W>
Q52SC2712
Q62SC2712
10K <1/10W> x 3R70 R69 R80
CR2 - CR410K <1/10W> x 3
R81 1.0K <1/10W>R72 1.0K <1/10W>R71 1.0K <1/10W>
C31 C16 C43
0.01 <F> x 3
JM10C450.1<F>
5V
I C8PST600C
C440.1<F>
R5510K<1/10W>
5V
X1CSTS0500MG03-T
0.01 <F> x 3
C10 C12 C30
2
1 370 69X1 X2
60
14
1571
22
23
24
807978
64
53
61
62
32
31
30
29
28
5
11
12
13
16
1718
27
47
50
34352625
73
6
10
9
8
77
76P10
12
3
54
55
66
65
74
68
75
7
4
67
33
72
56
57
58
59
41
42
63
40
39
38
37
36
52
51
49
48
43
44
4546
1920
21
P15P16
P17
P122
P123
P05
P04
VDD0
VDD1
AVRF0
AVRF1
AVSSVSS0
VSS1
XT2
P124
P125
P126
P127
P65
P66
P02
P64
P62
P63
P61
P60
P120
P37
P35
P34
P67
P30
P31P32
P40P41
P42
P23
P24I C
RESET
P43
P44
P45
P12P13P14
P03
P121
P00
P01
P55
P54
P53
P52
P51
P22
P21
P20
P130
P25
P26P27
P50
P33
P36
P46P47P57P56
XT1
P131
P72
P71
P70
P11
C321000P<R>
C351000P<R>
R44 1.0K<1/10W>
R46 1.0K<1/10W>
R43 10K<1/10W>(1%)
R45 49.9K<1/10W>(1%)
C340.1<F>
C370.1<F>
5V
CN13-1
CN13-2
CN13-3
CN13-4
CN13-8
CN13-5
CN13-7
CN13-6
CN11-2
CN11-1
CN10-1
CN10-2
B ZCN14-1
CN14-2
CN14-3
CN14-4
CN15-1
CN15-3
CN15-2
CN7-1 GRAY
CN7-2 GRAY
CN8-2 BLACK
CN8-1 BLACK
CN7 B2B-XAKK-1-A BLACK
CN8 B2B-XASK-1-A ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
R50 10K <1/10W>
I C7BR93L46RF
R77 - R7910K <1/10W> x 3
DO
D I
CK
CS
VCC
NC
NC
GND
4
3
2
1
8
7
6
5
L2 0.022<DSS306>
R64 28K<1/10W>(1%)
L4 0.022<DSS306>
L3 0.022<DSS306>
R66 10K<1/10W>
R63 15.4K<1/10W>(1%)
-+
5671
2
3
107
1
2
3
1 16
143
4
2 15
139
8
12
10
5
7
6 11
161
1 16
6 11
I C5 (1/7)
R7510K<1/10W>
R76 10K<1/10W>
FUN DELEY SHIFT
FAN MOTOR TYPE SHIFT
REMOTE CONTROL UNIT TYPE SHIFT
No.3
No.1
No.2
5V
-+1
23
CN17-1
CN17-2
CN17-3
CN17 B3B-XAKK-1-A BLACK
UL1430 AWG22 RED
UL1430 AWG22 BLACK
UL1430 AWG22 WHITE
1 PIN
TO TERMINAL BOARD
2 PIN
3 PIN
1
3
2
E
1
1
3
3
2(N)
2(N)
TO C
ON
NE
CTO
R N
o.17
POWER SOURCE230V50Hz
TERMINAL BOARD
REMOTECONTROLUNIT
DRAIN PUMP
FAN MOTOR
F M
5V
SW1DSS803
AUTO RESTART
ROOM TEMPERATURE CORRECTION( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION( HEATING OPERATION )
No.1
No.3
No.2
R40 1.0K <1/10W>R41 1.0K <1/10W>R42 1.0K <1/10W>
5V
R39 R38 R37 10K <1/10W> x 3
CN9B5P-SHF-1AAWHITE
TEST
CN9-1
CN9-5
CN9-4
CN9-3
CN9-2
R21 - R2410K <1/10W> x 4
R25 - R281.0K <1/10W> x 4
C22 - C250.01 <F> x 4
I C6 (4/7)uPA2003GR
VA2 470V<TNR>
K 4
K 3
K 1
K 2+
-
14V14VSSR1
G3MC-201PL-VDDC12V
I C5 (5/7)uPA2003GR
911 6
12 5
13 4
14 3
15 2
12 5
413
14 3
15 2
5VR93 10K <1/10W>R94 10K <1/10W>R95 10K <1/10W>R96 10K <1/10W>
CR60.01<F>
Q3DTC124EKA
C170.01<F>
CR10.01<F>
5V
R9 390<1/10W>
R10 10K<1/10W>
R14 10K<1/10W>
5VI C 10 H I 2002
SW2 DRS4016-5
5V
52
18
14
10
3
4
1
C 1
2
4
8
I C5 (1/7)uPA2003GR10
8
7
C26 - C290.01 <F>x 4
R33 - R361.0K <1/10W> x 4
NC
10K <1/10W> x 4
R29 R30 R31 R32
C540.01<F>
5V I C37805
C130.1<F>VA1 470V
<TNR>
JM6 + C14 100/6.3V
C150.1<F>
C470.1<F>
I OG
I OG
+
I C27812 12V
14V
C1110/25V
+
PRIMARY SECONDARY
D6D2FL20U
C91000/25V
R8 10K<1/10W>
+C8100/6.3V
R7 330<1/4W>
+ R2 1.5<RS - 2W>
Q12SC4236
R6 100<1/2W>
C7 0.047<ECQB>
D2D1FL20U
D4D1FL20U
D3MTZJ5.1B
10K <1/10W> x 4
R59 R97 R98 R99
C210.01<F>
C200.01<F>
C190.01<F>
R20 1.0K <1/10W>R19 1.0K <1/10W>R18 1.0K <1/10W>
5V10K <1/10W> x 3
R17 R16 R15R5 62K<RS - 2W>
JM1
JM3JM2
CUSTOM CODE
CUSTOM CODE
CUSTOM CODE
T1SWITCHING TRANSFORMER
ZFT29B01
D51SR139-600D101SR139-600
R4 330K<SPRH - 2W>
C6 4700P<ECQM>
R1 3.3<RC - 5W>
D1D3SB60
C5 100/450V
Q22SC1815
R3 100<1/10W>
TM101
TM102
FH101 FH102
L
N
F1013.15A - 250V
<BET> VA102 470V<TNR>
SA101RA-362M
VA101 470V<TNR>
ELF17N015A
LF101
E101 W103 W104
C1030.022<YE>C1040.022<YE>
C1050.01<F>C1060.01<F>
C1010.22<RE>
CN1 B3P5-VH-B-C BLACK
CN4B2P3-VH-B-Y YELLOW
K1G5SB-14
K2G5SB-14
K3G5SB-14
K4G5NB-1A
CN6 B2P3-VH-B-E BLUE
CN5 B6P11-VH-B WHITE
C3 0.22 <RE>R88 120 <1/2W>CN6-1
CN6-2
CN5-6
CN5-5
CN5-4
CN5-3
CN5-2
CN5-1
CN4-2
CN4-1
CN1-1
CN1-3
CN1-2
UL1015AWG18 BLACK
UL1015 AWG18 WHITE
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
UL1
015
AW
G16
G
RE
EN
UL1
015
AW
G14
B
LAC
K
UL1
015
AW
G14
W
HIT
E
UL1
015
AW
G14
R
ED
YELLOW / GREEN
BLACK
WHITE
RED
PINK
PURPLE
BLUE
FAN CAPACITOR450V / 2.3uF(ARY12,14,18)450V / 2.5uF(ARY22)
to outdoor unit
CONTROLLER PCB ASSY (main PCB)
ARH12LUAD : K01AL-0412HSE-C1ARH14LUAD : K01AL-0411HSE-C1
INDOOR PCB CIRCUIT DIAGRAM
72006.07.14
VCCAVCC
P00P01
P17P13
P14P15
P16AVR
P24P25
P30P31P32P33P34P35P60P61
MD0MD1P44P43
P42P41P45
RSTXP27
AGNDGND
GND 49
24134819
161626364
2018
1514
55
5453
5251504645
123938
373640
2625
11
56P63
P62
P46P12P50P37
P36P40MD2
P11P26P02P03P04P05P06P07P10
CP20P21P22
P23P57
P56
P55P54P52
P53P51X0X1
1 3
23224
65789
104443424157
33
3231302928274734
216058
593
35
21617
UXVYWZ
5V
R19 10K<1/10W>
5V
+
I C6BD4742G
R72 1.0K<1/10W>
R73 82K<1/10W>
C170.01<F>
C164.7/50V<PS>
SUB
NC
VCCVOUTGND
2
1 345
2
X18.00MHz<EF0EC>
R2010K<1/10W>
5V5V CN601
B10B-PASK-1 WHITE1
2
3
4
5
6
7
8
9
10
FLASH
TAUX
TTXD
TRXD
TMODE
TAUX3
TCK
/ TRES
/ T I CS
R60
4
R21
R60
3
R60
2
R60
1
10K <1/10W> x 5
R60
5 2
2K<
1/10
W>
C31
6
C31
2C
313
C31
4C
315A
C31
1
2200P <B> x 6Q306Q305Q304Q303Q302Q301
2SC2412K<BQ> x 6
330 <1/10W> x 6A
R32
2
R32
6
R32
5
R32
4
R32
3
R32
7
21
1
1
1
1
1
2
2
2
2
2
3
3
3
3
3
31
1
1
1
1
1
2
2
2
2
2
2
3
3
3
3
3
3
4
4
4
4
4
4
5V
I C301 - I C306PS2561L-1-V x 6
560 <1/10W>x 6
R80
R85
R84
R83
R82
R81
A
15V
R360 39<1/2W>
R87 2.94K<1/10W>(1%)R107 680<1/10W>(1%)
R328 - R3331.0K <1/10W> x 6
5V-2
A
I C310PS21246
C324 - C3260.1 <F> x 3
A
A
A
15V
15V
15V
1415161718
192021
2223242526
12345
678
91011
1213
UPVP I
VUFBVUFSVP
VP IVVFBVVFSWPVP IVPC
VWFB
VWFS
VN IVNC
C INCFO
FO
UNVN
WNP
UV
WN
A
A
C3270.022<F>
A
C3282200P<B>
R302 1.0K<1/10W>
5V-2
C3320.1<F>
15V
R3034.7K
<1/10W>A
R301 R305
0.02<5W>x 2
5V-2
R304560<1/10W>
5VR3310K<1/10W>
1
23
4
I C307PS2561L-1-V
R40 1.0K<1/10W>
C330.01<F>
C340.01<F>
5V
12V
A
+ C6100/16V<PS>
18V
C41810/35V<PS>
++
+ +1
1
2
2
3
3
I OG
I OG
I C8TA7805
C406220/50V<PJ>
I C407uPC24M18
5V-2
C110.1<F>
A
+
D401D1FL20U
D7D1FL20U
15V
I OG
2
1 3
+
BLA
CK
RE
D
WH
ITE
W UV
TM
303
TM
305
TM
304
C M
D8D1FL20U
R5 10K<1/10W>
C4470/25V<PJ>
C5220/16V<PJ>
T1JPZ-200
D100D1FL20U
C7220/35V
<PJ>C10100/16V <PS>
I C101TA7805
12
367
8
16
15131210
9
C3100/16V
<PJ>+
D2D1FL20U
R4 330<1/4W>
C2 0.047<ECQB>
R3 100<1W>
1
3
2
D
10R
D5.
6ES
<B
2>
R1220K<2W>
R2 1.0K<RS - 3W>
C1 220P<BN>
Q12SC4236
R1401.2
<1/2W>
D1
D1F
L20U
FH3 PFC5000-0502
FH4 PFC5000-0502
F2 250V<BET> 3.15A
15V
R316 - R321100 <1/10W> x 6
R310 - R315100 <1/10W> x 6
C880.1<F>A
C87470P<CH>
5V-2
C89470P<CH>
I C11-2uPC393
I C11-1uPC393
I C13PS8602
23
1
765+
-
+-35
6
8 21
15VR1021.6K<1/4W>
5V5V
R103 4.7K<1/10W>Q
912S
C24
12K
<B
Q>
3
2
R1131.0K
<1/10W>
R114 27K<1/10W>
C95100P<CH>
R105 2.49K<1/10W> (1%)
R108 2.87K <1/10W> (1%)
DAN217U x 2D81 D82
3 3
1 122R111
R110
R112
R86
R89
R88
195K x 6 (1%)<RN - 1/2W>
195K x 6 (1%)<RN - 1/2W>
R104
R106
U1J
U44
x 3
D30
1D
302
D30
3
+
+
+
0.1
<F
> x
3C
323
C32
2C
321
R36
2R
363
R36
133
0K <
1/10
W>
x 3
47/3
5V <
PJ>
x 3
C30
5C
304
C30
3
BA
RE
WIR
ES
N-P
LAT
ED
D
IA 0
.65M
M
A18V
TM104
TM105
C1160.1 <HCP>
R201 220K<2W>
180K
<R
N -
1/2
W>
(1%
) x
2
R40
0R
440
A
C40910/25V<PS>
+
D402RD3.3ES <B2>
A
R40
2 S
3.3K
<1/
4W>
A
A
R4012.94K
R4062.87K
<1/10W>(1%) x 2
C4120.1<F>
AC4140.01<F>
C4110.01 <F>
1.0K <1/10W> x 2
R435
R441
18V
I C400-1uPC393
18V
12
3
8
+-
+- 6
57
1
23
4
18V1
2
4
3
5V
10K<1/10W>
x 2
R40
7
R40
3
0350.01<F>
0360.01<F>
I C400-2uPC393
R4423.3K<1/4W>
R4363.3K
<1/4W>
I C401PS2561L-1-V
I C404PS2561L-1-V
+
EMI FILTERRFC-8
1TC2041200 450V
UL1015 AWG14
YELWHT
PURPLEBLUE
EMI FILTERTFC-25-15-12
2T
C414SACT32010A
ACTPM
L1 L2P
N1
+
-
UL1015AWG14
BLACK
UL1015AWG14
RED
W10RED
W11BLACK
C1150.1<HCP>
18V
UL1007AWG24
BROWN
RED
ORANGEYELLOW
CN407B4B-XASK-1-A WHITE
ACTPM CONTROL
A
C4150.01<F>
C4130.01<F>A
A
1
2
3
4
4
3
1
2
2
3
1
18V
Q401DTC114EKA
I C402PS2561L-1-V
5VR404
510<1/10W>
R437 270<1/10W> (1%)
R438 270<1/10W> (1%)
D101D25XB60
+
-
1
4
2
3
4
1 2
3
12V
K101DW12D1
C1111.0<LE>
R200ZPR0RCH400
L4RCV2515-010PF05
1 2
34
L2N200500K
TM100
C1011.0<LE> C106
1.0<LE>
5V
5 4 3 2 15V
C530.022<F>
HY I C1HU2001
1014188 7 6 5 4 3 2 1
5VR5010K<1/10W>
Q512SC2412K<BQ>
13
2
C510.022 <F>
R52 1.0K<1/10W>
5VR5310K<1/10W>
C640.1<F>
R51
27K
<1/
10W
>
R68 22K<1/10W>+ C60
220/16V <PJ>
VR1B2K
5VD60DAN217U
R56 27K <1/10W>
R61 3.74K<1/10W> (1%)
R55 1.0K<1/10W>
R60 1.0K<1/10W> (1%)
CT1CT-1B
31
2
3 1
54
F4250V - 5A
<BET>
FH1 FH2
PFC5000-0502x 2
L1RCV2515-010PF05
1
4 3
2
B
B
B
B
W1BLACK
W4BLACK
W5BLACK
W2BLACK
W3
W8
GREEN
RED
SA100RA-302M
SERIAL A
W103
W102 B
BBLACK
BLA
CK
4
3
2
1
BLACK
WHITE
RED
BLUE
BLACK
BLACK
EARTH
UL1015AWG16GREEN
RED
UL1015AWG20BLACK
UL1015AWG20BLACK
UL1015AWG14BLACK
EMI FILTER RFC-8 1TF201 TLC
25A - 250V
BL
L
N
N
3
POWER SOURCE220 / 240V50Hz
TOINDOOR UNIT-A
UL1015AWG20 x 4
WHITE
BLACK
WHITE
VA101470V<TNR>VA102470V<TNR>
FAN CAPACITORC200450V3.5uF
FAN MOTOR
4-WAY VALVE
F M 1
PRESSURE SWITCH
COMP. THERMOSTAT
L100
I C3-5 M54523
I C3-7 M54523
I C3-1 M54523
I C3-3 M54523
I C3-4 M54523
I C3-2 M54523
I C3-6 M54523
1.5K <1/10W> x 4
R97
R94
R96R95
12V
12V
C430
C460
C450
C440
C390.1<F>
C370.1<F>
C380.1<F>
R62 10K<1/10W>
R64 10K<1/10W>
R66 10K<1/10W>
R63 6.65K<1/10W>(1%)
R65 56K<1/10W>(1%)
R67 38.3K<1/10W>(1%)
L201BL02Rn1
5V1
2
1
2
1
2
1
2
BROWN
BROWN
BROWN
BROWN
BLACK
BLACK
BLUE
BLUE
CN25 B2B-XAKK-1-A BLACK
CN21 B2B-XH-AM YELLOW
CN22 B2B-XH-AM RED
CN23 B2B-XAEK-1-A BLUE
HEATSINK TEMP. TH.
DISCHARGEDTEMP. TH.
PIPETEMP. TH.
OUTDOORTEMP. TH.
5V
R1110K<1/10W>
C760.1<F>
5V
132
+-
5V
R4910K<1/10W>
R42 1.0K<1/10W>
C770.1<F>
I C14-1uPC393
C740.1<F>
R45 10K<1/10W>
R44 6.65K<1/10W>(1%)
5V R462.87K<1/10W>(1%)
R472.94K
<1/10W>(1%)
C750.1<F>
C400.1<F>
10K
<1/
10W
> x
6
R78
R74
R75
R76
R77
R79
5V
R608 10K<1/10W>
5V
JM207
I C201BR93LC46
5V
C910.01<F>
R20
5 1
0K<
1/10
W>
847
5
1
236
CS
SKD INC
VCCDONC
GND
+
C20
<P
S>
4.7/
50V
5V0.1 <F> x 2C19 C18
I C 1MB90F462APFM-
G-204-E1
5
6
4
2
1
7
314
10
16
15
13
11
12
I C4TD62064
36
1114
18
1015
1645
12
972
13
O1
O4O3
O2
GND1GND2GND3GND4
COM1COM2
NC1
NC2
I 4
I 3I 2I 1
D28SLR-332<RED>
2.2K <1/10W>
R43
K17G5NB-1A
12V
12V
12V
K11G5SB-14 K13
G5NB-1A+ 1
1
1
2
2 2 33
3
4
4
45
CR5RE1202
2
1
1
2
2
1
1
2
3
4
5
6
RED
RED
BROWN
BROWN
BROWN
ORANGE
BLUE
RED
YELLOW
WHITE
EXPANSION VALVE-A
M
5V
2.2K
x 2
<1/
10W
>
R91
R90 1.0K <1/10W> x 2
R93
R92
C73 C72
0.01 <F> x 212VL202BL02Rn1 0.1 <F> x 2
C70C71
CN27 B6B-XARK-1-A RED
CN38 B2B-XAMK-1-A GREEN
CN37 B2B-XARK-1-A RED
CN30 179844-1 WHITE
CN11 B4P7-VH-B
CR1RE1202
TERMINAL 2PCHOKE COILL=0.3MH 30A
C1141.0 <LE>
C1073.3<LE>
C1040.033<YE>C1050.033<YE>
CONTROLLER PCB ASSEMBLYAOH12LMAKL : K03AV-0501HUE-C1AOH14LMAKL : K03AV-0502HUE-C1
OUTDOOR PCB CIRCUIT DIAGRAM
82006.07.14
ERROR CONTENTS
INDOOR UNIT
(1) Stop the air conditioner operation.(2) Press the master control button and the fan control button si-
multaneously 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-DIAGNOSISWhen the error indication "E:EE" is displayed, follow the followingitems to perform the self-diagnosis. "E:EE" indicates an error hasoccurred.
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 errorcode.
SU MO TU WE TH FR SA
Unit number (usually 0)
Error code
EX. Self-diagnosis
(3) Press the set temperature buttons simultaneously for 5seconds or more to stop the self-diagnosis.
Error code Error contents
Communication error(indoor unit remote controller)Communication error(outdoor unit indoor unit)
Room temperature sensor open
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor short-circuited
Outdoor heat exchanger temperature sensor
Power source connection error
Float switch operated
Outdoor temperature sensor
Discharge pipe temperature sensor
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
Compressor temperature sensor
Pressure switch abnormal
IPM error
Compressor cannot operate
Outdoor fan abnormal
0001
0203
0405
06
08090A0c
11
12
13
14
15
16
17
1A1b
92006.05.24
OUTDOOR UNIT
Error contents LED (Red)
Serial signal error
Discharge pipe thermistor error
Heat exchanger thermistor error
Outdoor temperature thermistor error
Compressor thermistor error
Pressure switch error
Current trip error
CT error
Compressor position detection error
Compressor starting error
Timer error
1 time blink
2 times blink
3 times blink
4 times blink
7 times blink
8 times blink
10 times blink
11 times blink
12 times blink
13 times blink
14 times blink
(1) Is there any abnormal noise and vibration during operation ?(2) Will noise, wind or drain water from the unit disturb the
neighbors?(3) Is there any gas leakage?
Do not operate the air conditioner in the test running statefor a long time.
For the operation method, refer to the operating manualand perform operation check.
102006.05.24
Models :ARH12LUADARH14LUAD
160
74
464
147
235
587
762
173
287
625 244173
63
173
761
146
381-4
588-2
196-2
184-1
588-1
DISASSMBLY ILLUSTRATION
112006.04.27
Models :ARH12LUADARH14LUAD
34
875
455
287
380
236
514
815-1
381-4
982-1
982-2
143-1
240
195
132006.04.27
Models : AOH12LMAKLAOH14LMAKL
273-
1
273-
2
13-3
13-2
345-
1346-
1
45-2
45-1
45-3
45-4
26-2
26-1
346-
2
345-
2
85
349
1716
29
33
31
334
109
411
4139
55
754 46
344
348
335
108
12
361
343
152006.04.27
34 Capacitor (Fan Motor)56 Sirocco Fan Assy63 Front Panel Assy67 Rubber (Vibration - proof)74 Air Filter
109 Casing Assy126 Motor Fixing Table Assy138 Panel Assy (Motor)143-1 Clamp NK-3N146 Evaporator Assy
147 Inlet Pipe (Eva.) Assy160 Drain Pan Assy164 Fan Motor Assy (MFA-18NTT)
173 Hook Metal184-1 Thermo. Spring-A195 Binder C SKB-100196-2 Binder M SKB-150234 Thermistor Assy-Room235 Thermistor Assy-Pipe236 Controller PCB Assy
240 Remote Control Unit244 Cover (Piping)287 Cap (Power)338 Motor Fixture380 Locking Spacer381-4 Spacer455 Control Box464 Cover (Cabinet)514 Control Box Cover587
588-1 Bracket Eva. R588-2 Bracket Eva. L625 Cord Bushing 653-1 CUP SCREW734 Panel Top761 Side Panel-R Assy762 Side Panel-L Assy815-1 Terminal 7P875 Filter PCB Assy982-1 Cord Clamp
982-2 Cord Clamp-B
99002701799358621004936372300731365906860493668330179363322002935859100093634010043133612747009373255024
9373034063936450204596007782109363195002313728262708313361275805313035356905970329901897032970909704557971
93722660149363327007935217301193585940013132093914030600118075936629900493634000079363201000
9363199000936319800393592400069385089020936350400293635070039363505009970340301997045612519356857009
9356858006
99002701799358621004936372300731365906860493668330179363322002935859100093634010043133612747009373255024
9373034063936450204596007782109363195002313728262708313361275805313035356905970329901897032970909704557988
(KO1AL-0412HSE-C1) (KO1AL-0411HSE-C1)
93722660149363327007935217301193585940013132093914030600118075936629900493634000079363201000
Support Plate (Eva.) 93634040059363404005
9363199000936319800393592400069385089020936350400293635070039363505009970340301997045612519356857009
9356858006
Ref.No.
Ord.Q'ty
DescriptionPart No.
ARH12LUAD ARH14LUAD
INDOOR UNIT
When you order parts, please make a photocopy of this pageand fill the number of the parts in the "Order" column.162006.07.14
PARTS LIST
When you order parts, please make a photocopy of this page andfill the number of the parts in the "Order" column.
2 Fan Guard 9371187013 93711870134 Emblem-Rear 9372171011 93721710115 Front Panel, Painted 9371924014 93719240147 Connector Cover (Cabinet) 9366398004 9366398004
12 Base Assy, Painted 9371920078 937192007813-2 2-Way Valve 9372204054 937220405413-3 3-Way Valve 9372205051 937220505114 Valve Cover 9372796016 937279601616 Condenser Assy 9372181096 937218109617 Thermistor Holder Pipe 313714262805 313714262805
26-1 Compressor Cover-A 9373730019 937373001926-2 Compressor Cover-B 9373730026 937373002629 Separate Wall 9372795019 937279501931 Controller PCB Assy 9705285064 9705285071
---- ACTPM 9703457012 9703457012---- Capacitor, Elec. 9705387010 9705387010
33 Control Cover 9372792018 9372792018
---- Fuse 0600086039 0600086039---- Fuse Holder 0501454012 0501454012---- Capacitor, Plastic 9900270049 9900270049---- Terminal-5P 9900203023 9900203023
---- Terminal-2P 9701971015 9701971015
39 Propeller Fan Assy 9366378013 936637801341 Fan Motor Assy-IN 9601671046 960167104645-1 Motor Bracket 9371929019 937192901945-2 Motor Bracket-Top 9371931012 937193101245-3 Motor Bracket-Center 9371930015 9371930015
45-4 Motor Bracket-Bottom 9371932019 937193201946 Compressor Assy 9373262015 937326201555 Special Nut M8 9355091008 935509100864 Side Panel-L, Painted 9371926018 9371926018
---- Hex. Bolt Socket 0700145148 0700145148
85 Valve Plate, Painted 9371928012 9371928012108 Rubber Seat (For Comp. ) 9358080009 9358080009109 Terminal Cover (For Comp. ) 9373264019 9373264019
---- Clip (Cable) 9352715006 9352715006---- BR Sheet 9363708042 9363708042---- Relay 9900117016 9900117016
273-1 Strainer Assy 9372524015 9372524015273-2 Joint Pipe (2-Way)-A 9373729549 9373729549334 Accumulator 9368391003 9368391003
335 Accumulator Holder Rubber 9354022010 9354022010343 Solenoid 9900165079 9900165079344 4-Way Valve 9900163013 9900163013345-1 Muffler 9372369029 9372369029345-2 Joint Pipe (3-Way) 9373729556 9373729556346-1 Expansion Valve Assy 9373729518 9373729518346-2 Coil (Expansion Valve) 9900057022 9900057022348 Pressure Switch Assy 9373729044 9373729044349 Capillary Assy 9373729433 9373729433361 Accumulator Support Assy 9372252017 9372252017
411 Gasket 9373266013 9373266013527 Protective Net 9371934013 9371934013734 Top Plate 9371925011 9371925011754 Rubber Washer 9358078006 9358078006
---- Compressor Presure Switch 9900186012 9900186012---- Compressor Thermal Switch 9373263012 9373263012---- Discherge Temperature Thermistor 9704219039 9704219039---- Heat Exchanger Thermistor 9900374020 9900374020---- Outdoor TemperatureThermistor 9900378011 9900378011
---- Heat Sink Thermistor 9900195014 9900195014
OUTDOOR UNITRef.No.
DescriptionAOH12LMAKL AOH14LMAKL
Ord.Q'ty
Part No.
172006.07.14
INDOOR UNIT ACCESSORIESName and Shape Q'ty Application Part No.
Installationtemplate
Hanger
Special nut A(large flange)
Special nut B(small flange)
Coupler heatinsulation(large)
Coupler heatinsulation(small)
Binder
Remotecontroller
Remotecontroller cord
Heat & Cooling model
Tapping screw
Filter
Drain hoseinsulation
1
4
8
4
4
1
1
2
1
3
1
1
1
1
1
4(Large)
(Small)
For positioning the indoor unit
9364225005
9363195002
0700009037
313005446653
313005446759
9350716029
9352766015
0700181108
1 9372714010
9372266014
9366833017
313806217708
For suspending the indoor unitfrom ceiling
For suspending the indoor unitfrom ceiling
For indoor side pipe joint(large pipe)
For installing the hanger
For indoor side pipe joint(small pipe)
For fixing the coupler heatinsulation
For remote controller and remotecontroller cord binding
For instaling the remotecontroller
For connecting the remotecontroller
Insulates the drain hose andvinyl hose connection
For instaling to indoor unit
313361275805
312300787605
Tapping screw( 4 x 10)
( 4 x 16)
STANDARD ACCESSORIES
OUTDOOR UNIT ACCESSORIES
313166024302
9303029015
Drain cap
Drain pipe
9370244007
Adapter D (1/2" 3/8")12.70mm 9.52mm
For use when connectingmodel 12,000 BTU/h
For outdoor unit drainpiping work[Heat & Cool model(Reverse cycle) only]
182006.05.24
Part No.ApplicationQ'tyName and Shape