General ARHA24LATU User manual

INVERTER SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT TYPE
C O N T E N T S
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM
. . . 4REFRIGERANT SYSTEM DIAGRAM
. . . . . . . . . . . . . . . . . 5
ERROR CONTENTS
. . . . . 8INDOOR PCB CIRCUIT DIAGRAM
. . 14OUTDOOR PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . . 16
PARTS (indoor unit) . . . . . . . . . . . . . . . . 18
PARTS (outdoor unit) . . . . . . . . . . . . . . . 21
ACCESSORIES . . . . . . . . . . . . . . . . . . . 24
Indoor unit Outdoor unit
ARHA24LATU
ARHA24LATU
ARHA24LATU
ARHA24LATU
ARHF24LBTU
ARHF24LBTU
AOHA24LACL
AOHA24LALL
AOHB24LACL
AOHB24LALL
AOHA24LALL
AOHB24LALL

2009.07.09 1
S P E C I F I C A T I O N S
TYPE Inverter Cool & Heat
INDOOR UNIT ARHA24LATU, ARHF24LBTU
OUTDOOR UNIT AOHA24LA_L AOHB24LA_L
COOLING CAPACITY 7.10 kW
HEATING CAPACITY 8.00 kW
POWER SOURCE 230 V
FREQUENCY 50 Hz
RUNNING CURRENT
Cooling 9.7 A
Heating 9.7 A
INPUT WATTS Cooling 2.21 kW
Heating 2.21 kW
E.E.R. Cooling 3.21 kW/kW
Heating 3.61 kW/kW
10.1 A
10.2 A
2.32 kW
2.33 kW
3.06 kW/kW
3.43 kW/kW
STARTING CURRENT 10.0 A
MOISTURE REMOVAL 2.5 L/hr
MAXIMUM CURRENT 13.5 A
TYPE Hermetic type, 4 poles,
DC motor, Twin Rotary
DISCRIMINATION DA150AIF-20NA
COMPRESSOR WEIGHT (with oil)
10.0 kg
REFRIGERANT TYPE
PRECHARGED REFRIGERANT
R410A
1,700 g
MFG-24RV
830 r.p.m.
700 r.p.m.
600 r.p.m.
550 r.p.m.
1,050 r.p.m.
MFE-24ROAM
Discrimination
Discrimination
High
FAN SPEED
INDOOR UNIT Med
Low
OUTDOOR UNIT
Heating
1,050 r.p.m.
Cooling
DIMENSIONS Indoor unit 270 x 1,135 x 700 mm
H x W x D Outdoor unit 578 x 790 x 315 mm
WEIGHT Indoor unit 45 kg / 38 kg
Gross / Net Outdoor unit 48 kg / 44 kg
ELECTRICAL DATA
COMPRESSOR AND REFRIGERANT
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
AIR FLOW
INDOOR UNIT
1,100 m3/h
OUTDOOR UNIT 2,470 m3/h
High
Med 950 m3/h
Low 800 m3/h
600 m3/h
Cooling
Heating 2,470 m3/h
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
Pipe Length 15 m 1,700 g
FULL CHARGE
20 m 1,800 g
25 m
30 m
1,900 g
2,000 g
MAXIMUM PIPE HEIGHT 20 m
ADDITIONAL CHARGE 20 g/m
NOISE LEVEL
MEASUREMENT
High speed 31 dB
INDOOR UNIT
Med speed 29 dB
Low speed
Quiet
Quiet
Quiet
Cooling
Heating
27 dB
25 dB
52 dB
53 dB
OUTDOOR UNIT
Note : Static pressure : 30Pa
Duct length : Inlet 1m, Outlet 2m (indoor unit)
When you dismantle indoor units which are installed,
take care not to make parts fall down, especially motors.

D I M E N S I O N S
Unit : mm
INDOOR UNIT
2008.06.26 2
1,135
1,177
1,015
139 264 264 264
107
32
114
66
32
54
240
281
168
283
477
700
173
161
40
39
240
132
240 16
121
270

OUTDOOR UNIT
Unit : mm
2006.09.29 3
Top view
Front view
Side view
Bottom view
Drain pipe
mounting place
( 20)
189
177
347
540
31566790
121
578
320
10
184
4- 10mm hole
Air flow

R E F R I G E R A N T S Y S T E M D I A G R A M
OUTDOOR UNIT INDOOR UNIT
2006.10.23 4
StrainerStrainer
4-Way
valve
2-Way
valve
3-Way
valve
Muffler
Muffler
Expansion
valve
Compressor
Accumulator
Heat exchanger
Heat exchanger
Cool
Heat
: THERMISTOR (COMPRESSOR TEP.)
: THERMISTOR (PIPE TEP.)
: THERMISTOR (ROOM TEP.)
: THERMISTOR (DISCHARGE TEP.)
: THERMISTOR (HEAT EXCHANGER MED TEP.)
: THERMISTOR (HEAT EXCHANGER OUT TEP.)
: THERMISTOR (OUTDOOR TEP.)
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)

BLACK
WHITE
RED
BROWN
YELLOW
WHITE
BLACK
RED
GREEN GREEN
WHITE
WHITE
WHITE
RED
BLACK
GRAY GRAY GRAY GRAY
GRAY
GRAY GRAY
GRAY
GRAY
GRAY GRAY
BLACK
BLACK
GRAY
GRAY
1 2 345678
1 2 345678
123 4 5 678
1 2 345678
1 2 3
123
1 2 3
123
123
12
1 2 12
1 2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
1
2
3
4
5
61
2
1
2
3
4
5
6
7
1
2
3
1
2
3
1
2
1
2
1
2
3
1
2
3
4
5
1
2
3
4
5
1 2
12
121 2
CN7 CN8
CN5
CN4 CN1
CN104 CN101
CN102 CN103 CN108
E101 E102
W105
W101
W102
CN106
CN105
CN10 CN11CN9 CN12
CN14 CN13
CN6 CN3
TERMINAL
TERMINAL
TO REMOTE CONTROL
TO OUTDOOR UNIT
COIL
ROOM THERMISTOR
PIPE THERMISTOR
123
1 2 3
CONTROLLER
PCB ASSY
( MAIN PCB )
F101
FUSE
3.15A
250V
POWER SUPPLY
PCB ASSY
F M
FAN
MOTOR
GREEN / YELLOW
1
2
3
2008.07.25 5
INDOOR UNIT
ARHA24LATU
C I R C U I T D I A G R A M

GRAY
GRAY
BLACK
BLACK
RED
WHITE
BLACK
RED
WHITE
BLACK
YELLOW
BROWN
WHITE
BLACK
RED
GRAY GRAY GRAY GRAY GRAY GRAY
GRAY
GRAY
GRAY GRAY
GRAY
1 2 3 4 5 6 7 8 1 2 3
12 3 4 5 6 7 812 3
12 3 4 5 6 7 812 3
1 2 3 4 5 6 7 8 1 2 3
12 3 1 2 1 2
12
1
2
1212
2
1212
1
1
2
3
4
5
6
7
1
2
3
1
2
3
1
2
1
2
3
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8 8
GREEN / YELLOW
GREEN
GREEN
WHITE
WHITE
CN101
W105
W102
W101
CN108
CN103
CN102
CN104
E101 E102
CN105
CN106
CN4 CN1
CN5 CN7 CN8
CN12
CN11
CN9CN10
CN6 CN14 CN13 CN3
TERMISTOR
( PIPE TEMP. )
TERMISTOR
( ROOM TEMP. )
TERMINAL
TERMINAL
F101
1 2 3
1 2 3
TO OUTDOOR UNIT
TO REMOTE CONTROL
COIL
FUSE
3.15A 250V
F M
FAN MOTOR
CONTROLLER
PCB ASSEMBLY
POWER SUPPLY
PCB ASSEMBLY
4
5
6
1
2
3
4
5
CN2
2009.06.29 6
INDOOR UNIT
ARHF24LBTU

BLACK
RED
WHITE
YELLOW
BLUE
RED
WHITE
BLACK
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
RED
BROWN
BROWN
BROWN
BROWN
BLACK
BLACK
WHITE
RED
YELLOW YELLOW
GREEN
BLACK BLACK
BLACK
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
1
2
3
1
2
3
1
2
3
1
2
1
2
1
2
1
2
1
2
3
4
1
2
3
4
12
1
2
1
2
3
1
2
3
RED
WHITE
BLACK
CN71
CN73
CN72
CN70
W4
W2
W1
W3
W11
W10
CN40
CN801
W7
W8
W9
CN30
4-WAY
VALVE
4WV
PMV
F M
S (S)
C (T)
R (R)
FAN MOTOR
EXPANSION
VALVE
COMPRESSOR
C M
REACTOR
PIPE
THERMISTOR
DISCHARGE PIPE
THERMISTOR
COMPRESSOR
THERMISTOR
PIPE ( MID )
THERMISTOR
OUTDOOR
THERMISTOR
FUSE
250V 5A
TERMINAL
TO INDOOR UNIT POWER SOURCE
2
( N )
1 3 L N
FUSE 250V 20A
CONTROLLER PCB ASSY
2008.07.25 7
OUTDOOR UNIT

E102
E101
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
UL1015 AWG22 RED UL1015 AWG22 BLACK UL1015 AWG22 WHITE
UL1015 AWG22 YELLOW UL1015 AWG22 BROWN
UL1015 AWG16 GREEN
UL1015 AWG16 GREEN
UL1015 AWG20
BLACK
UL1015 AWG20
WHITE
UL1015 AWG20
RED
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
UL1430 AWG26 GRAY
UL1430 AWG22
WHITE
UL1430 AWG22
BLACK
UL1430 AWG22
RED
BLACK BLACK
GRAY GRAY
CN2-1 CN2-2 CN2-3 CN2-4 CN2-5
CN15-1 CN15-2 CN15-3 CN15-4 CN15-5 CN15-6
CN3-1 CN3-2 CN3-3 CN3-4 CN3-5 CN3-6 CN4-1 CN4-2 CN4-3 CN4-4 CN4-5 CN4-6 CN4-7 CN4-8 CN1-1 CN1-2 CN1-3
CN108-1 CN108-2
CN102-1 CN102-2 CN102-3 CN103-1 CN103-2
CN106-1 CN106-2
CN105-6 CN105-5 CN105-4 CN105-3 CN105-2 CN105-1
CN104-1 CN104-2 CN104-3 CN104-4 CN104-5 CN104-6 CN104-7 CN104-8
CN101-1 CN101-2 CN101-3
CN11-1 CN11-2 CN11-3 CN11-4 CN11-5 CN12-1 CN12-2 CN12-3 CN12-4 CN12-5
CN9-1 CN9-2 CN9-3
CN14-1 CN14-2 CN14-3
CN13-1 CN13-2 CN13-3 CN13-4 CN13-5 CN13-6
CN5-1 CN5-2
CN13-7
CN7-1 CN7-2
CN8-1 CN8-2
CN6-1 CN6-2
CN10-1 CN10-2
ROOM THERMISTOR
PIPE ( MID ) THERMISTOR
REMOTE CONTROL
TERMINAL BOARD
1
23
EARTH WIRE
W105W102
W101
3
2(N)
1
TERMINAL BOARD
OUTDOOR UNIT
F M
DC FAN MOTOR
NORMAL COIL
E I B I N
E I B OUT
DRAIN PUMP
FLOAT SWITCH
HEATER
FRESH AIR
DC SUPPLY
POWER DRIVE
EMI FILTER 2T
CN1 B03B-PASK-1
WHITE
CN4 B08B-PASK-1 WHITE
CN3 B06B-PASK-1 WHITE CN15 B06B-XASK-1 WHITE
CN2 B5P-SHF-1AA WHITE
CN106 B2P3-VH-B-E BLUE CN103 B2B-XH-AM WHITE CN105 B5P6-VH-B WHITE
CN102 B3B-XH-AM WHITE CN108 B2P3-VH-B WHITE
CN104
B08B-PASK-1
WHITE
CN101
B03B-PASK-1
WHITE
CN13
B07B-PASK-1
WHITE
CN14
B03B-XAKK-1
BLACK
CN6
B02B-PAMK-1
GREEN
CN10
B02B-PAOK-1
ORANGE
CN11
B05B-XASK-1
WHITE
CN12
B05B-XARK-1-A
RED
CN9
B03B-XARK-1-A
RED
CN8
B02B-XASK-1-A
WHITE
CN7
B02B-XAYK-1-A
YELLOW
CN5
B02B-XAKK-1-A
BLACK
POWER SUPPLY PCB ASSEMBLY
K06AL-0603HSE-P0
CONTROLLER PCB ASSEMBLY
K06AK-0605HSE-C1
2008.01.24 8
CONTROLLER ASSEMBLY ARHA24LATU : EZ-00605HSE I N D O O R P C B C I R C U I T D I A G R A M

I C1
uPD78F0535
34
39 36
43 44 45 46 33
32
31 30 29
28 27
26
18
19
20 21
22
23
11 12 13 14 38 37
41 40
25
9
42 52
51
50
49 48
47
56 55 54
53
8
7
6
5 4 3
2
1
64 63 62 61 60
59 58
57
17 16 15
24
10
35
AVDD
AVREF
VDD0
VDD1
I C
RST
P00 P34 P01 P35 P02 P03 P10 P11 P12 P13 P14 P15 P16 P17
P20
P21 P22 P23 P24 P25 P30 P31 P32 P33
XT1 XT2 X1
X2
P36
P40 P41 P42
P43 P44
P45 P46 P47 P50 P51 P52 P53 P54 P55
P56 P57
P64 P65 P66 P67 P70
P71
P72
P73 P74
P75
AGND
GND0 GND1
JM6
0R0
R56
100K
<1/10W>
5V
C27
0.1
<F>
C38
0.1 <F>
I C7
S80842
NC
2 1
3
4
VDD
OUT GND
NC 5V
R41 1.0K
<1/10W>
R43
10K
<1/10W>
5V
R44
10K
<1/10W>
C26
0.01
<F>
C25
10/
25V
+
INDICATOR CN13 B07B-PASK-1
PIPE TEMP. TH. ( MID ) CN5 B02B-XAKK-1-A
PIPE TEMP. TH. ( ENT ) CN7 B02B-XAYK-1-A
ROOM TEMP. TH. CN8 B02B-XASK-1-A
5V
R59 10K <1/10W> R60 49.9K <1/10W> R61 49.9K <1/10W>
C29 0.1 <F>
C30 0.1 <F>
C34 0.1 <F>
R57
1.0K
<1/10W>
R58
1.0K
<1/10W>
R62
1.0K
<1/10W>
5V
FLOAT SWITCH CN9 B03B-XARK-1-A
R46
1.0K
<1/10W>
C31
0.01
<F>
R45
10K
<1/10W>
C8 - C10 0.1 <F> x 3
R4 - R6 1.0K <1/10W> x 3
R1 - R3 10K <1/10W> x 3
5V
JM1
JM2
JM3
5V
C28 0.1 <F>
C33 0.1 <F>
C32 100/ 6.3V
+
CUSTOM CODE CUSTOM CODE
HEATING FAN DELAY
12V
+C2
10/ 25V
C3 0.01 <F>
5V
D4
1SS355
I C8
NJM7812
D1
1SS355
I C2
NJM7805
13.5V
5V C1
10/
25V
+
I O
G
IO
G
1 3
2
2
3
1
R19
R20
R22
R21
1.0K <1/10W> x 4
R15 - R18 10K <1/10W> x 4
5V
5V
C4 - C7 0.01 <F> x 4
Q3 DTC124EKA
R70
10K
<1/10W>
1
2
3
C37 0.1 <F>
1000P <R> x 3
C35 C12 C11
R67 1.0K
<1/10W>
5V
1.0K <1/10W> X 3R63
R64
R65
10K <1/10W> x 4
R66
R32
R23
R24
13.5V
R26
10K
<1/10W> R25
1.0K
<1/10W>
5V
C14 1000P <R>
C16 0.01 <F>
R29
390
<1/10W>
R28
10K
<1/10W>
3
2
1
Q1 DTC124EKA
C15 0.01 <F>
5V
5V
C17 0.01 <F>
C18 0.01 <B>
R27
330
<1/10W>
R31
10K
<1/10W>
R34
1.0K
<1/10W>
R30
10K
<1/10W>
R33
10K
<1/10W>
Q2
DTC124EKA
BZ1
PKM13EPYH-4000-A0
R36 0R0
R35
1.0K
<1/10W>
13.5V
R47
390
<1/10W>
B Z
1
2
3
1
2
3 4 5
6
7
8
9
16 15 14
13
12
11
10
1
2
3 4 5
6
7
I
I
I I I I I
SK
O1 O2
O3
O4
O5
O6
O7
GND
I C4
uLN2003ADR
13.5V
13.5V
13.5V
C36
0.47
<F>
5V
X1 5.00MHz <CSTLS>
3
1
2
13.5V I C3
uLN2003ADR
SW1
CFS-04 2MC
R11 - R14 10K <1/10W> x 4
R7 - R10
1.0K <1/10W> x 4
C19 - C22 0.1 <F> x 4
5V
C13 0.1 <F>
R37 10K <1/10W>
R40
10K
<1/10W>
I C5
BR93L56RF
1
2
3
6
8
4
7
5
CS
SK D I NC
VCC
DO
NC
GND
8 7 6 5
4 3 2
1
9
16 15
14 13
12
11
10
8
1
2
3
4 5
6 7
SK
O1 O2
O3
O4 O5
O6
O7
GND
I 1 I 2
I 3
I 4 I 5
I 6
I 7
5V
R55 10K <1/10W>
12V
12V
D3 D1FS4A
12V
R48
10K
<1/10W>
R53 28K <1/10W>
R54 15.4K <1/10W>
I C6-1
BA10393F
I C6-2
BA10393F
-
-
+
+
1
7
3
2
5 6
D2
DAN217U
3
1 2
C23
0.01
<F> C24
1000P <R>
R42
47
<1/10W>
CN14 B03B-XAKK-1-A REMOTE CONTROL UNIT
CN11 B05B-XASK-1-A LOUVER ( UP / DOWN ) CN12 B05B-XARK-1-A LOUVER ( RHIGT / LEFT )
CN10
B02B-PAOK-1
HEATER
CN6
B02B-PAMK-1
FRESH AIR
CN4
B08B-PASK-1
POWER DRIVE
CN3
B06B-PASK-1
SP PCB
CN2
B5P-SHF-1AA
TEST
CN1
B03B-PASK-1
DC SUPLLY
1
2
3
4 5 6
1
2
3
4 5
1
2
3
1
2
3
4 5 6
7 8
1
2 1 2
1
2
3
4 5
1
2
3
4 5
1 2
3
1
2
3
4 5 6 7
1
2
1
2
1
2
1 2
3
2007.08.30 9
INDOOR UNIT CONTROLLER PCB ASSEMBLY ARHA24LATU : K06AK-0605HSE-C1

13.5V
F101
BET 3.15A - 250V
FH101
FH102
VA101
470V
<TNR>
W101
BLACK
W102
WHITE
VA102
470V
<TNR>
SA101
RA-362M
E101
GREEN
I C26-10
N
L
I C26-14
5V 15V
I C104
TLP621
<GB>
R116
1.0K
<1/4W>
1
2
4 3
CN104
B08B-PASK-1
POWER DRIVE
SERIAL I N
SERIAL I NT
SERIAL ON
DRAIN PUMP DC FAN-OUT
DC FAN-FEEDBACK
EX. SIGNAL-OUT
EX. SIGNAL-I N
1 2 3 4 5 6 7 8
4
3 2
1
I C103
TLP621
<GB>
C117 100/ 25V
+
AA
R117
820
<1/4W>
R114 4.7K <1/10W>
R115
6.8K
<1/4W>
15V
6 5 4 3 2 1
340V
A
15V
CN105 B5P6-VH-B
DC FAN MOTOR
VA103
470V
<TNR>
W105
RED
SERIAL
I C 1 0 5
H I 2 0 0 2 R
LN
5V
5 4 3 2 1
101418
15V
340V
C108
4700P
<ECQM>
R104 330K <2W> D102
1SR139-600
R103
62K
<RS-2W>
D108
D2FL20U
T101
ZFT22B03-C
R111 10K <1/10W>
+
C113
1000/
25V
C114 0.01 <KH> C115 0.01 <KH>
8 7
6 5 3 2
10
12
L
N
K102
G5NB-1A 13.5V
RC101
120/
0.2
CN106 B2P3-VH-B-E
DRAIN PUMP
2 1
IC26-10 IC26-14
1 3
4 2
2
1
3
2
1
C116 0.01 <B>
5V
R112 330 <1/10W>
L102
BLm18
<AG601>
I C101
TLP621
<GB>
L103
BLm18
<AG601>
4
3
1 2
4
23
1
K101
G5NB-1A
13.5V CN103
B2B-XH-AM
E I B OUT
E I B I N
CN102 B3B-XH-AM
IC26-14 IC26-10
8765 4 3 2 1
13.5V
C120 0.1 <F>
C121 0.1 <F>
5V
DC SUPPLY
CN101
B03B-PASK-1
1 2 3
C101
0.22
<LE>
LF101
ELF20N018A
43 12
CN108
B2P3-VH-B
NORMAL COIL
121
3
4
2
D101 D3SB60
C118 0.01 <KH>
E102
GREEN
C107
270/
450V
+
C109
220P/
2.0kV
<ECKW>
R105
75
<RS-2W>
R106
1.5
<RS-2W>
Q102
2SC1815
Q101 2SC5354
R107
100
<1/10W>
3
3
2
2
1
1
A
D107
RD16M
<B1>
C112
330/
25V
+
R110
10K
<1/10W>
D106
D1FL20U
C110 0.047 <ECQB>
D103 D1FL20U
D104 MTZJ5.1B
R109
330
<1/4W>
C111 100/ 25V
+
D105
D1FL20U
R108 100 <1/2W>
C104
0.22
<LE>
C105
0.010
<YE>
C106
0.010
<YE>
PFC5000-0702F x 2
R113
330
<1/10W>
2007.08.30 10
INDOOR UNIT POWER SUPPLY PCB ASSEMBLY ARHA24LATU : K06AL-0603HSE-P0

E102
E101
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
UL1015 AWG22 RED UL1015 AWG22 BLACK UL1015 AWG22 WHITE
UL1015 AWG22 YELLOW UL1015 AWG22 BROWN
UL1015 AWG16 GREEN
UL1015 AWG16 GREEN
UL1015 AWG20
BLACK
UL1015 AWG20
WHITE
UL1015 AWG20
RED
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
UL1430 AWG26 GRAY
UL1430 AWG22
WHITE
UL1430 AWG22
BLACK
UL1430 AWG22
RED
BLACK BLACK
GRAY GRAY
CN2-1 CN2-2 CN2-3 CN2-4 CN2-5
CN3-1 CN3-2 CN3-3 CN3-4 CN3-5 CN3-6 CN4-1 CN4-2 CN4-3 CN4-4 CN4-5 CN4-6 CN4-7 CN4-8 CN1-1 CN1-2 CN1-3
CN108-1 CN108-2
CN102-1 CN102-2 CN102-3 CN103-1 CN103-2
CN106-1 CN106-2
CN105-6 CN105-5 CN105-4 CN105-3 CN105-2 CN105-1
CN104-1 CN104-2 CN104-3 CN104-4 CN104-5 CN104-6 CN104-7 CN104-8
CN101-1 CN101-2 CN101-3
CN11-1 CN11-2 CN11-3 CN11-4 CN11-5 CN12-1 CN12-2 CN12-3 CN12-4 CN12-5
CN9-1 CN9-2 CN9-3
CN14-1 CN14-2 CN14-3
CN13-1 CN13-2 CN13-3 CN13-4 CN13-5 CN13-6
CN5-1 CN5-2
CN13-7
CN7-1 CN7-2
CN8-1 CN8-2
CN6-1 CN6-2
CN10-1 CN10-2
THERMISTOR ( ROOM TEMP. ) THERMISTOR ( PIPE MID. TEMP. )
REMOTE CONTROL UNIT
TERMINAL BOARD 1 2 3
EARTH WIRE
W105W102
W101
3
2(N)
1
TERMINAL BOARD
OUTDOOR UNIT
F M
DC FAN MOTOR
( ARHF22, 24LBTU only ) NORMAL COIL 22mH, 2.2A
E I B I N
E I B OUT
DRAIN PUMP
FLOAT SWITCH
HEATER
FRESH AIR
DC SUPPLY
POWER DRIVE
EMI FILTER ZCAT1518-0730 2 TURNS
CN1 B03B-PASK-1
WHITE
CN4 B08B-PASK-1 WHITE
CN3 B06B-PASK-1 WHITE
CN2 B5P-SHF-1AA WHITE
CN106 B2P3-VH-B-E BLUE CN103 B2B-XH-AM WHITE CN105 B5P6-VH-B WHITE
CN102 B3B-XH-AM WHITE CN108 B2P3-VH-B WHITE
CN104
B08B-PASK-1
WHITE
CN101
B03B-PASK-1
WHITE
CN13
B07B-PASK-1
WHITE
CN14
B03B-XAKK-1
BLACK
CN6
B02B-PAMK-1
GREEN
CN10
B02B-PAOK-1
ORANGE
CN11
B05B-XASK-1
WHITE
CN12
B05B-XARK-1-A
RED
CN9
B03B-XARK-1-A
RED
CN8
B02B-XASK-1-A
WHITE
CN7
B02B-XAYK-1-A
YELLOW
CN5
B02B-XAKK-1-A
BLACK
CONTROLLER PCB ASSEMBLY
ARHF24LBTU : K06AK-0808HSE-C1
POWER SUPPLY PCB ASSEMBLY
ARHF24LBTU : K06AL-0803HSE-P0
2008.12.01 11
INDOOR UNIT CONTROL UNIT ARHF24LBTU : EZ-0080KHSE
( ARHF18LBLU Only ) EMI FILTER ZCAT2132-1130 2 TURNS
1
2
3 4 5 6
7
8
EMI FILTER ZCAT1518-0730 2 TURNS

I C1
uPD78F0536
34
39 36
43 44 45 46 33
32
31 30 29
28 27
26
18
19
20 21
22
23
11 12 13 14 38 37
41 40
25
9
42 52
51
50
49 48
47
56 55 54
53
8
7
6
5 4 3
2
1
64 63 62 61 60
59 58
57
17 16 15
24
10
35
AVDD
AVREF
VDD0
VDD1
I C
RST
P00 P34 P01 P35 P02 P03 P10 P11 P12 P13 P14 P15 P16 P17
P20
P21 P22 P23 P24 P25 P30 P31 P32 P33
XT1 XT2 X1
X2
P36
P40 P41 P42
P43 P44
P45 P46 P47 P50 P51 P52 P53 P54 P55
P56 P57
P64 P65 P66 P67 P70
P71
P72
P73 P74
P75
AGND
GND0 GND1
JM6
0R0
JM5
0R0
R56
100K
<1/10W>
5V
C27
0.1
<F>
C38
0.1 <F>
I C7
S80842
NC
2 1
3
4
VDD
OUT GND
NC 5V
R41 1.0K
<1/10W>
R43
10K
<1/10W>
5V
R44
10K
<1/10W>
C26
0.01
<F>
C25
10/
50V
+
R52 10K <1/10W> INDICATOR
CN13 B07B-PASK-1
5V
R49 - R51 10K <1/10W> x 3
THERMISTOR ( PIPE-MID. TEMP. ) CN5 B02B-XAKK-1-A
THERMISTOR ( PIPE-ENT. TEMP. ) CN7 B02B-XAYK-1-A
THERMISTOR ( ROOM TEMP. ) CN8 B02B-XASK-1-A
5V
R59 10K <1/10W> R60 49.9K <1/10W>
R61 49.9K <1/10W>
C29 0.1 <F>
C30 0.1 <F>
C34 0.1 <F>
R57
1.0K
<1/10W>
R58
1.0K
<1/10W>
R62
1.0K
<1/10W>
5V
FLOAT SWITCH CN9 B03B-XARK-1-A
R46
1.0K
<1/10W>
C31
0.01
<F>
R45
10K
<1/10W>
C8 - C10 0.1 <F> x 3
R4 - R6 1.0K <1/10W> x 3
R1 - R3 10K <1/10W> x 3
5V
JM1
JM2
JM3
5V
C28 0.1 <F>
C33 0.1 <F>
C32 100/ 6.3V
+
CUSTOM CODE CUSTOM CODE
HEATING FAN DELAY
12V
+C2
10/
50V
C3
0.01
<F>
5V
D4
1SS355
I C8
NJM7812
D1
1SS355
I C2
NJM7805
13.5V
5V C1
10/
50V
+
I O
G
I O
G
1 3
2
2
3
1
R19
R20
R22
R21
1.0K <1/10W> x 4
R15 - R18 10K <1/10W> x 4
5V
5V
C4 - C7 0.01 <F> x 4
Q3 DTC124EKA
R70
10K
<1/10W>
1
2
3
C37 0.1 <F>
1000P <R> x 3
C35 C12 C11
R67 1.0K
<1/10W>
5V
1.0K <1/10W> X 3R63
R64
R65
10K <1/10W> x 3
R66R32
R23R24
13.5V
R26
10K
<1/10W> R25
1.0K
<1/10W>
5V
C14 1000P <R>
C16 0.01 <F>
R29
390
<1/10W>
R28
10K
<1/10W>
3
2
1
Q1 DTC124EKA
C15 0.01 <F>
5V
5V
C17 0.01 <F>
C18 0.01 <B>
R27
330
<1/10W>
R31
10K
<1/10W>
R34
1.0K
<1/10W>
R30
10K
<1/10W>
R33
10K
<1/10W>
Q2
DTC124EKA
BZ1
PKM13EPYH-4000-A0
R36 0R0
R35
1.0K
<1/10W>
13.5V
R47
390
<1/10W>
B Z
1
2
3
1
2
3 4
5
6
7
8
9
16
15
14
13
12
11
10
1
2
3 4
5
6
7
I
I
I I I I I
SK
O1 O2 O3
O4 O5
O6
O7
GND
I C4
uLN2003ADR
13.5V
13.5V
13.5V
C36
0.47
<F>
5V
X1
5.00MHz
<FCR5.0MC5T>
3 1
2
13.5V I C3
uLN2003ADR
SW1
CFS-0402MC
R11 - R14 10K <1/10W> x 4
R7 - R10
1.0K <1/10W> x 4
C19 - C22 0.1 <F> x 4
5V
C13 0.1 <F>
R37
10K
<1/10W>
R40
10K
<1/10W>
I C5
BR93L56RF-WE2
1
2 3 6
8
4
7
5
CS
SK D I
NC
VCC
DO
NC
GND
8 7 6 5
4
3
2
1
9
16 15
14 13
12
11
10
8
1
2
3
4 5
6 7
SK
O1 O2
O3
O4 O5
O6 O7 GND
I 1 I 2
I 3
I 4 I 5
I 6 I 7
5V
R55 10K <1/10W>
12V
12V
D3 D1FS4A
12V
R48
10K
<1/10W>
R53 28K <1/10W>
R54 15.4K <1/10W>
I C6-1
BA10393F-E2
I C6-2
BA10393F-E2
-
-
+
+
1
7
3
2
5 6
D2
DAN217U
3
1 2
C23
0.01
<F> C24
1000P <R>
R42
47
<1/10W>
CN14 B03B-XAKK-1-A REMOTE CONTROL UNIT
CN11 B05B-XASK-1-A LOUVER ( UP / DOWN ) CN12 B05B-XARK-1-A LOUVER ( RHIGT / LEFT )
CN10
B02B-PAOK-1
HEATER
CN6
B02B-PAMK-1
FRESH AIR
CN4
B08B-PASK-1
POWER DRIVE
CN3
B06B-PASK-1
SP PCB
CN2
B5P-SHF-1AA
TEST
CN1
B03B-PASK-1
DC SUPLLY
1 2
3
4 5 6 1 2
3
4 5
1
2
3 1 2
3
4 5 6
7 8
1 2 1 2
1 2
3
4 5 1 2
3
4 5
1 2
3
1 2
3
4 5 6 7
1 2
1 2 1 2
1
2
3
2009.06.29 12
INDOOR UNIT CONTROLLER PCB ASSEMBLY ARHF24LBTU : K06AK-0808HSE-C1

13.5V
F101
BET 3.15A - 250V
FH101
FH102
VA101
470V
<TNR>
W101
BLACK
W102
WHITE
VA102
470V
<TNR>
SA101
RA-362M
E101
GREEN
I C26-10
N
L
I C26-14
5V 15V
I C104
TLP621
<GB>
R116
1.0K
<1/4W>
1
2
4 3
CN104
B08B-PASK-1
POWER DRIVE
SERIAL I N
SERIAL I NT
SERIAL ON
DRAIN PUMP DC FAN-OUT
DC FAN-FEEDBACK
EX. SIGNAL-OUT
EX. SIGNAL-I N
1 2 3 4 5 6 7 8
4
3 2
1
I C103
TLP621
<GB>
C117 100/ 25V
+
AA
R117
820
<1/4W>
R114 4.7K <1/10W>
R115
6.8K
<1/4W>
15V
6 5 4 3 2 1
340V
A
15V
CN105 B5P6-VH-B
DC FAN MOTOR
VA103
0.01
<KH>
W105
RED
SERIAL
I C 1 0 5
H I 2 0 0 2 R
LN
5V
5 4 3 2 1
101418
15V
340V
C108
4700P
<ECQM>
R104 330K <2W> D102
1SR139-600
R103
62K
<RS-2W>
D108
D2FL20U
T101
ZFT22B03-C
R111 10K <1/10W>
+
C113
1000/
25V
C114 0.01 <KH> C115 0.01 <KH>
8 7
6 5 3 2
10
12
L
N
K102
G5NB-1A 13.5V
RC101
120/
0.2
CN106 B2P3-VH-B-E
DRAIN PUMP
2
1
IC26-10 IC26-14
1 3
4 2
2
1
3
2
1
C116 0.01 <B>
5V
R112 330 <1/10W>
L102
BLm18
<AG601>
I C101
TLP621
<GB>
L103
BLm18
<AG601>
4
3
1 2
4
23
1
K101
G5NB-1A
13.5V CN103
B2B-XH-AM
E I B OUT
E I B I N
CN102 B3B-XH-AM
IC26-14 IC26-10
8765 4 3 2 1
13.5V
C120 0.1 <F>
C121 0.1 <F>
5V
DC SUPPLY
CN101
B03B-PASK-1
1 2 3
C101
0.22
<LE>
LF101
ELF20N018A
43 12
CN108
B2P3-VH-B
NORMAL COIL
121
3
4
2
D101 D3SB60
C118 0.01 <KH>
E102
GREEN
C107
270/
450V
+
C109
220P/
2.0kV
<ECKW>
R105
75
<RS-2W>
R106
1.5
<RS-2W>
Q102
2SC1815
Q101 2SC5354
R107
100
<1/10W>
3
3
2
2
1
1
A
D107
RD16M
<B1>
C112
330/
25V
+
R110
10K
<1/10W>
D106
D1FL20U
C110 0.047 <ECQB>
D103 D1FL20U
D104 MTZJ5.1B
R109
330
<1/4W>
C111 100/ 25V
+
D105
D1FL20U
R108 100 <1/2W>
C104
0.22
<LE>
C105
0.010
<YE>
C106
0.010
<YE>
PFC5000-0702F x 2
R113
330
<1/10W>
2008.12.01 13
INDOOR UNIT POWER SUPPLY PCB ASSEMBLY ARHF24LBTU : K06AL-0803HSE-P0

W1 ( A-1 )
B
W2 ( B-1 )
B
W4 ( D-1 )
B
W3 ( C-1 )
B
EARTH
F201
20A - 250V
TERMINAL
F202
5A - 250V
EMI FILTER
ATFC-25-15-12
2 TURN
EMI FILTER
ATFC-25-15-12
1 TURN
UL1015 AWG14
BLACK
UL1015 AWG14
WHITE
UL1015 AWG20
RED
UL1015 AWG16
GREEN
UL3271 AWG16
WHITE UL3271 AWG14
RED
W10 W11
B B
REACTOR
B B B
W7
W8
W9
U
V
W
4-WAY VALVE
COMPRESSOR
EMI FILTER
RED WHITE BLACK
BLACK BLACK
UL3271 AWG16 x 3
RED WHITE BLACK
RED
BLACK WHITE
YELLOW
BROWN RED BROWN
BLUE
ORANGE
YELLOW WHITE
CN40
B6B-XARK-1-A
RED
CN801
B5P6-VH-B-L
WHITE
CN30
B2P3-VH-B-C
BLACK
1 2
3 1
2 3
4
5
6
1
2 3
4
5
6
CN71 B04B-PASK-1 WHITE
1
2 3
4
CN70 B03B-PASK-1 WHITE
1
2 3
CN73 B02B-XAMK-1-A GREEN
1
2
CN72 B02B-XH-AM WHITE
1
2
BLACK BLACK
BROWN BROWN
BLACK BLACK BLACK BLACK
BROWN
BROWN
DISCHARGE THERMISTOR
PIPE THERMISTOR
OUTDOOR THERMISTOR
COMPRESSOR THERMISTOR
PIPE ( MID ) THERMISTOR
DC FAN MOTOR
EXPANSION VALVE MOTOR
F M
M
C M
1
2 3 4 5
L
N
SERIAL
TO INDOOR UNIT
POWER SOURCE AC230V 50Hz
W103 UL1015 AWG20 BLACK
W100 UL1015 AWG20 WHITE
W102 UL1015 AWG20 BLACK
W101 UL1015 AWG14
BLACK
EMI FILTER ATFC-25-15-12 2 TURN
INVERTER PCB ASSEMBLY AOHA24LA_L : K06AX-0601HUE-C1 AOHB24LA_L : K06AX-0707HUE-C1
2007.08.30 14
INVERTER ASSEMBLY AOHA24LA_L : EZ-006AHUE AOHB24LA_L : EZ-007GHUE O U T D O O R P C B C I R C U I T D I A G R A M

17
16
2
35
3
59
58 60 21
34
47 27
28
29 30 31
32
33
57
41
42
43
44
10
9
8
7
5 6
4
22 23
13
2
49
24
13 48
19
1
61
62
63
64
20 18
15
14
55
54
53
52 51 50 46 45 12 39 38
37
36 40 26 25
11
56
P63 P62 P46
P12 P50 P37 P36
P40
MD2 P11 P26 P02 P03 P04 P05 P06 P07
P10
C
P20 P21 P22 P23 P57 P56
P55
P54 P52 P53 P51
X0 X1
VCC
AVCC
P00
P01
P17
P13
P14
P15
P16
AVR
P24
P25 P30
P31
P32
P33
P34 P35
P60
P61
MD0
MD1
P44
P43
P42
P41
P45
RSTX
P27
AGND
GND
GND
X500 8.00MHz <CSTLS>
C500
0.1
<F>
C502
0.1
<F>
+
C501
10/25V
C503
0.1
<F>
C561 0.01 <F>
R561
1.0K
R560
100K
I C560
S80842
5V
2 1
3 4
VDD OUT
NC
GND
CS1
2
3 6
8 4
7 5
SK D I NC
VCC
DO
NC
GND
1
2 3
45
7 8
M S S
CD
S
S
10
9 8 7
6
5 4 3 2 1
76
5
+
-
5V
R83
27K
<1/10W>
R81
1.0K
<1/10W>
C300
100P
<CH>
Q300 DTC114EUA
15V DCV-F
D62 D1FL20U
D61 D1FL20U
D60 D1FL20U
+
12V
C64 330/ 25V
15V
5V
D63
1SS355
D64
1SS355
C69 100/ 25V
+
IO
G
1
2
3
+C68
100/ 25V
C67 0.1 <F>
+R61
10K
C65 470/ 25V
+
C66
100/
25V
I C60
BA17805
-12V
JM1
I C50
TOP243PN
D53
UF4005
R57 0R0
T60
RPZ-1F
C52
2200P
<E>
R56
150K
<2W>
R52
470K
<1/8W>
1%
R53
510K
<1/8W>
1%
R54
510K
<1/8W>
1%
R55
510K
<1/8W>
1%
D52
1SS355
JM101 JM103 JM102
JM100 TEST
5V
RESET
R51
47
C50
47/
35V
C51 1.0 <B>
+
5V
C570 0.1 <F>
L50
BLm21
<AG601>
L51
BLm21
<AG601>
R570
10K
I C570
M93C46
R93, R92, R91, R90
10K x 4
R585
1.0K
C86
470P
<B>
C84
0.1
<F>
C87
330P
<B>
15V D304
DAN217U
D303
DAN217U
+
R311 8.66K 1%
R309 5.76K 1%
R310 143 1%
C330 1000P <B>
I C302-2 BA2903F
C85
10/
25V
5V
15V
-12V
R503 10K
SERVICE
JM500
R502
1.0K
R500
10K
I C500
MB90462
12V
12V
I C80
uLN2003ADR
1C 7C 6C 5C 4C
3C 2C
1B
COM
9
10 11
12 13
14
15
16 1
2 3
4
5
6
7 8
2B 3B 4B 5B
6B
7B
8B
E
13 12
5
GND1
9
7 2
5V
15V
I C10-2 BA2903F
-
+
6 57
3
2+1
-
C11 0.1 <F>
12V I C40
TD62064
POWER SOURCE AC230V 50Hz
5V
5V
R307, R308 195K <RN-1/2W> x 2
15V
C214 2200P <B>
-12V
C306 0.1 <F>
C305
0.1
<F>
DCV
R210
1.0K R211
R212
R213 R214 R215 R216
0.15
<1W>
1%
x 6
I C200
FSBB20CH60
U V W
C213 0.022 <F>
R330 R332 4.7K 1% x 2
WVU
I C300-1 BA4560
R331
47K
1%
I C300-2 BA4560
-
-
+
+
75
6
12
3
R329 47K 1%
5V 5V
R328
1.0K
C311 1000P <B>
D302 RB751V
R305
R303
R301R302
R304
R306
195K <RN-1/2W>
1% x 6
D50
1SS355
D51
UDZS8.2B
5V
R339 10K R334
10K
1%
R337
100K
1%
I C302-1
BA2903F
C339
0.01
<F>
-
+
12
3
R335 R336 R333
10K 1% x 3
R338
3.3K
1%
R327
22K
C320
0.15
<ECQB>
D301
DAN217U
5V
R220 1.0K
C219 1000P <B>
R219
1.0K
5V
5V
5V
C107
0.1
<F>
C108
2.2/
50V
+
R110
6.8K
R167 10K
D106
DAN217U
15V
C112 0.1 <F>
R165
22K
C110
0.1
<F>
I C102-3 BA2901F
I C102-1 BA2901F
- +-
+
5 4214 8
9
- +
10 11 13
- +1
6
7
I C102-2 BA2901F
I C102-4 BA2901F
5V
5V-2
R112 10K 1%
R115
22K
1%
R171 4.7K
C106
0.1
<F>
5V-2
R113
4.7K
1%
C141 1000P <B>
R101
4.7K
C136
0.01
<F>
R114
15K
1%
R111
10K
C109 2.2/ 50V
+
C206 - C208, C215 - C217 2200P <B> x 6
R204 - R209
390 <1/10W> x 6
R218
4.7K
<1/10W>
DCV
15V-2
+
C104 10/ 25V R105, R106
195K <RN-1/2W> 1%
R107 3.83K 1%
5V
D113 DAN217U
D112 DAN217U
5V
C134 0.1 <F>
+
R169
22K
R168
22K
C128 0.1 <F>
C127
2.2/
50V
+
C125
0.1
<F>
+C126
2.2/ 50V
R164
22K
C115 0.1 <F>
I C101
TC 74HC00AF
1
2
3
4
5
6
7
14
13 12
11
10
9 8
1
2
3
4
5
6
7
14
13
12
11
10
9
8
R124 4.7K
R116 15K 1% R117 22K 1%
C111
4700P
<B>
R119
10K
1%
R118
10K
1%
D107
RB751V
C105
0.1
<F>
I C100
TA8316
15V
1
2 3 4 5
6
7 8
9
10
11
12
13 14 15 16
17
18
19
20
21 22
23
24 25 26 27
VCC COM
I N I N I N
VFO
CFOD CSC
I N
VCC VB
VS
I N
VCC
VB VS
I N VCC VB VS
NU
NV
NW
U V
W
P
COMP
COMP
ACV / 7P
CP-POS / 47P
U / 50P
V / 52P
W / 54P
X / 51P Y / 53P
Z / 55P
IPM-TRIP / 33P
IPM-CR / 9P
DCV / 8P
CT / 3P
TEST / 59P MD2 / 63P
MD1 / 64P
MD0 / 1P E2CS / 41P E2SK / 40P E2DI / 39P
TAUX / 25P
TTXD / 60P TRXD / 61P TMODE / 18P TAUX3 / 21P TCK / 62P
/ TRES / 19P
2
1
3
3
21
3
12
3
1 2
13 12 14
3 21
6 57
+
-
+
-
+
-
+
-
10
98
3
21
3
2 1
+
-
+
-
6 57
3 21
1
2
3 1
2
3
+
-
3 21
+
-
5 67
+
-
5 67
3
2 1
+
-
2 31
1
3
2
3 1
2
3
21
3 4 12
16
4
3 6
11 14
1 8
10 15
O1 O2 O3 O4 GND2
GND4
GND3
I 1
I 2
I 3
I 4
COM1
COM2
NC1
NC2
I C104-2 BA2902F I C104-1
BA2902F
I C104-4 BA2902F
R135
10K
1%
D109 RB751V
D108 RB751V
R138 10K 1%
R141
10K
1%
R137, R136 10K 1% x 2
I C105-2 BA2903F
I C105-1
BA2903F
R134
10K
1%
R133
10K
1%
C116 0.1 <F>
C133
2.2/
50V
C132 2.2/ 50V
+
C131
0.1
<F>
R170
68K
CN580 B10B-PASK-1 WHITE
10
9 8
7
6 5
4
3
2
1
TAUX
TTXD
TRXD
TMODE
TAUX3 TCK
/ TRES / TICS
C580
0.1
<F>
R584 22K
R583 1.0K
R582 10K
R581 10K
W7 W8 W9
15V
L300 ELC0607RA
C209 0.1 <F>
C210 0.1 <F>
C211 0.1 <F>
C212 0.1 <F>
C221 0.1 <F>
C222 1.0 <B>
C220 47 / 35V
+
D203 HZ24BP-TK-E
+
R200
39
<1/2W>
D200 - D202
U1JU44 x 3
DCV
R203 330K
C205 0.1 <F>
C204 47 / 35V
R202 330K
C203 0.1 <F>
C202 47 / 35V
R201 330K
C201 0.1 <F>
C200 47 / 35V
++
DCV-F
F100
GDT 15A 250V
FH2 FH1
F4
FSL 3.15A - 250V
R104
220K
<2W>
C100 - C102 660uF / 450V x 3
++ +
5V
C103 0.1 <HCP>
R102
47K
D102
1NH42
R103
100
<1/2W>
Q100
GT30J122
L130 ELC0607RA
1
3
2
1 2
6 4
5 7 3
GATIN S I D I NC
VCC
SO
GND
5V-2
C140 0.1 <F>
+
C139
2.2/
50V
R121
100K
1%
15V
I C103-2 BA4560
C119, C120 0.1 <F> x 2
-12V
I C103-1 BA4560
R126
100K
1%
C117 1.0 <B>
5V
C20 0.1 <F>
15V
5V 5V
+
R132 2.2K
R154
120K
R131
10
<1/10W>
R130
220
1%
Q102
DTC143EUA
Q103
DTC143EUA
R163 10K 1%
R162
68K
1%
R160
68K
1%
C130
0.1
<F>
R159
4.7K
C129
1000P
<B>
R161
1.5K
1%
R143
39K
1%
15V
-12V
R140
10K
1%
R144
22K
1%
R145
22K
1%
I C104-3 BA2902F
R146 39K 1%
C124 2200P <B>
R152
4.7K
1%
C123
2200P
<B>
R149
4.7K
1%
D110
DAN217U
D111 DAN217U
TAUX / 25P
E2SK / 40P
ZXH / 36P
ZXL / 37P
E2DI / 39P
EPV1 / 45P
PFC-TRIP / 46P
U / 50P
X / 51P V / 52P Y / 53P
W / 54P
Z / 55P
PFCEN / 14P
TMODE / 18P
MD1 / 64P MD2 / 63P
TCK / 62P
TRXD / 61P
MDO / 1P
/ TRES / 19P
S I / 48P
R120 4.7K 1%
R125 4.7K
L100 BL02Rn1
PFC-TRIP / 46P PFCEN / 14P PFCSW / 35P
5V-2
D115
DAN217U
D114
DAN217U
C113 2700P <B>
C142
0.1
<F>
33
1 12 2
I C3-1 BA4560
R166 3.9K
R158 3.9K
R122
R123
4.7K
1% x 2
R129 100K 1%
I C3-2 BA4560
R142 1.2K 1%
15V
-12V
D105
DAN217U
PR / I C80-5
ZXH / 36P
R109 22
<1/4W>
R108 47
<1/4W>
IPM-G
IPM-G
IPM-G
IPM-G
3 3
22
11
POW-GND
POW-GND
LED / 30P
SO / 32P
V4-AC / 27P
V4-DC / 29P
PR / 31P
ACFAN / 28P
CTDW / 34P
C14 0.1 <F>
R18 10K
C13 0.1 <F>
R19
1.0K
12V
I C10-1 BA2903F
C12 0.1 <F>
R40 - R43 1.5K <1/10W> x 4
TH / 10P
EPV3 / 44P EPV4 / 43P
EPV2 / 42P EPV1 / 45P
C40 0.1 <F>
C10 0.1 <F>
TE / 5P
TD / 4P
TA / 6P
R80
2.2K
D80
SLR-332VR
<RED>
SO / I C80-2P
V4-AC / I C80-3
V4-DC / I C80-4
PR / I C80-5
ACFAN / I C80-6
FAN IN / 17P
FAN PWM / 2P
PFCSW / 35P CT / 3P TEST / 59P
PFC / 58P
TTXD / 60P TAUX3 / 21P CTDW / 34P CP-POS / 47P
V4-AC / 27P
ACFAN / 28P
V4-DC / 29P
PR / 31P SO / 32P
IPM-TRIP / 33P LED / 30P
E2CS / 41P EPV2 / 42P EPV4 / 43P EPV3 / 44P
TH / 10P IPM-CR / 9P DCV / 8P
ACV / 7P
TE / 5P TA / 6P TD / 4P
R139
10K
1%
PFCEN / 14P
ZXL / 37P
S I / 48P
FAN PWM / 2P
FAN IN / 17P
C801 0.01 <F>
R804
1.0K
5V
D600 DAN217U
Q800 DTC143EUA
15V Q801
DTA143EUA
5V
+
R801
1.0K
<1/4W>
POW-GND
R802 560 <1/4W>
C800
100/
25V
R803 10K
<1/10W>
C41
0.1
<F>
R13
10K
R11
10K
R75
10K
R76
10K
R77
10K
C72
0.1
<F>
C71
0.1 <F>
C73
0.1
<F>
R15 2.87K
5V
R14
2.2K
1%
R16
22K
1%
R17 22K 1%
C75
0.1
<F>
R72
13K
1%
R71
4.75K 1%
R73
38.3K
1%
L70 BL02Rn1
R12
13K
1%
C76
0.1
<F>
R10 4.75K
1%
5V
L40
1
2 3 4
5 6
1
2
1
2
1
2 3 4
5 6
1
2 3 4
1
2 3
1
23
=
8 7 1
2
3
4
5
65V
101418
W4 W3
5 4 3 2 1
H Y I C 1
G K - 3 0 4 3 4 E
JM32
JM31 JM30
12V
K30
G5NB-1A
SO / I C80-2P
V4-AC / I C80-3P
CR30 RE1201 0.1/120
POW-GND
15V
C802 0.1 <F>
L800 BL02Rn1
SA1
RA-302M
W2 W1
VA1
470V
<TNR>
VA2
470V
<TNR>
C1
1.0
<LE>
12
43
L1
RCH4716-070PF07
C5
0.01
<KH>
C4
0.01
<KH>
C6
3.3
<LE>
D100
LL25XB60
D101
LL25XB60
+ +
- -
W11 RED
W10
WHITE
W5
ORANGE
W6 ORANGE
2
3
1 4
2 3
1 4
3
21
4
R1
ZPR0RCH400
K1
DW12D1
12V
SERIAL
RED
EARTH
GREEN
L
BLACK
N
WHITE
CN30
B2P3-VH-B-C
4-WAY VALVE
CN801
B5P6-VH-B-L
WHITE
FAN MOTOR
CN40
B06B-XARK-1-A
RED
EXPANSION VALVE
COMPRESSOR THERMISTOR
CN73
B02B-XAMK-1-A
GREEN
CN72
B2B-XH-AM
PIPE ( MID ) THERMISTOR
PIPE THERMISTOR
CN71
B04B-PASK-1
DISCHARGE THERMISTOR
CN70
B03B-PASK-1
OUTDOOR THERMISTOR
U V W
R400 - R407 0.2 <1W> 1% x 8
R153
120K 1%
10K 1% x 2
R127 R128
100K
1%
x 2
R156
R155
C137
0.1
<F>
R22 1.0K
<1/10W>
C21
0.047
<B>
R20 1.0K <1/10W>
R21 10K <1/10W>
R23
27K
<1/10W>
5V
PFC / 58P
R157
4.7K
C138
2.2/
50V
195K <RN-1/2W> 1% x 4
R148 R147
R150R151
PFC CONTROL
DCV Ave
GATE DRAIVE GND
DC VOLTAGE DETECTION
2
3
1
OVER VOLTAGE DETECTION
INPUT CURRENT ( RSM ) AVERAGE DETECTION
I C102 BYPASS CAPACITOR
OVER CURRENT DETECTION
FLASH & REMOTE
MODEL SWITCHING
EEPROM
CONTROL GND
LED INDICATOR
TEMPERATURE SENSING CIRCUIT
DC FAN MOTOR COMMUNICATION CIRCUIT
EXPANSION VALVE CONTROL
4-WAY VALVE DRIVE
SERIAL COMMUNICATION
MAKING OF CURRENT DIRECTIVE
BYPASS CAPACITOR
CURRENT DETECTION
GATE DRIVE
CONTROL GND BASE POINT
PFC-POWER-GND
PEAKLOAD CURRENT DETECTION
REVERSE CURRENT DETECTION CIRCUIT
CONTROL SOURCE
VIRTUAL NEUTRAL POINT
REFERENCE OF POSITION DETECTOR
IPM-GND BASE POINT
AVERAGE OF INPUT VOLTAGE RECTIFICATION
SWITCH POWER SUPPLY POWER-GND
FULL WAVE RECTIFICATION
AC WAVEFORM DETECTION
ZWRO-CROSS DETECTION ( HIGH-SPEED )
REACTOR
RUSH CURRENT PREVENTION
LINE FILTER
POW-GND
C572
1.0K
<1/10W>
DCV-F
PFC5000-0702F
x 2
2009.07.09 15
OUTDOOR UNIT INVERTER PCB ASSEMBLY AOHA24LA_L : K06AX-0601HUE-C1 AOHB24LA_L : K06AX-0707HUE-C1

Troubleshooting at the remote control LCD
This is possible only on the wired remote control.
[ SELF-DIAGNOSIS ]
If an error occurs, the following display will be shown.
("EE" will appear in the set room temperature display.)
Unit number
Error code
Ex. Self-diagnosis
S U MO T U W E T H F R S A
Code Error contents
Indoor signal error
Wired remote controller abnormal
Indoor room temperature sensor error
Indoor heat exchanger temperature sensor (middle) error
Indoor heat exchanger temperature sensor (inlet) error
Float switch operated
Outdoor discharge pipe temperature sensor error
Outdoor heat exchanger temperature sensor (outlet) error
Outdoor temperature sensor error
Compressor temperature sensor error
2-way valve temperature sensor error
3-way valve temperature sensor error
Outdoor heat exchanger temperature sensor (middle) error
Indoor manual auto switch abnormal
Power supply frequency detection error
IPM protection
CT error
Compressor location error
Outdoor fan error
Connected indoor unit abnormal
Outdoor unit computer communication error
Indoor fan abnormal
Discharge temperature error
Exessive high pressure protection on cooling
4-way valve abnormal
Pressure switch abnormal
Compressor temperature error
Active filter abnormal
PFC circuit error
01
13
26
27
00
02
04
28
09
0C
06
0A
15
1d
1E
29
20
2A
17
18
1A
1b
1F
1c
12
0F
24
2c
16
2b
19
25
If "CO" appears in the unit number display, there is a remote controller
error. Refer to the installation instruction sheet included with the remote
controller.
2006.10.23 16
E R R O R C O N T E N T S
REMOTE CONTROL UNIT

2008.07.25 17
OUTDOOR UNIT
Error contents
Thermistor malfunction
Abnormal discharge temperature
Current surge protection
CT abnormality
Compressor position detection malfunction
PAM voltage abnormality
Timer short
Compressor temperature protection (permanent stop)
PFC surge protection (permanent stop)
Fan malfunction
LED
on 0.1 sec / off 0.1 sec
on
on 0.5 sec / off 0.5 sec
on 2.0 sec / off 2.0 sec
on 0.1 sec / off 2.0 sec
on 5.0 sec / off 0.1 sec
on 1.0 sec / off 1.0 sec
on 2.0 sec / off 5.0 sec
on 5.0 sec / off 2.0 sec
on 5.0 sec / off 5.0 sec

Insulation
Insulation
Control Bo
x
Insulation
P A R T S
INDOOR UNIT
2007.10.29 18
1
2
3
4
5
10
11
7
9
86
7 Control Cover-A Sub Assy 9374516018
10 Cabinet L Sub Assy 9374509010
9 Cabinet R Sub Assy 9374508013
1 Intake Cover Sub Assy 9374512010
6 Outlet Panel Sub Assy 9374510016
5 Evaporator Assy 9374518012
3 Drain Pan Sub Assy 9374513017
2 Main Panel Sub Assy 9374511013
11 Intake Frame Assy 9374216017
4 Drain Cap 9356541007
8 Bracket (pipe) Sub Assy 9374514014
Ref. Description Part number

30
25
26
27
27
29
29
28
INDOOR UNIT
22
23
24
21
2007.10.29 19
25
23 Casing B 9374234011
Bracket Motor Assy A 9374230020
24 Sirocco Fan Assy 9356531039
29 Rubber 9385102002
21 Base Sub Assy 9374504015
22 Separate Wall Assy 9374228010
30 Bracket (Eva.) R 9374207015
28 Motor, Induction 9602433018
26 Bracket Motor Assy B 9358591000
27 Bracket Motor C 9358594001
Ref. Description Part number
-- Bracket (Eva.) L 9374208012