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