General ARHA24L, ARHA24LATN, AOHA24LACL Service Manual
INVERTER SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT
type
Models
Indoor unit Outdoor unit
ARHA24LATN AOHA24LACL
CONTENTS
SPECIFICATIONS
DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
CIRCUIT DIAGRAM
INDOOR PCB CIRCUIT DIAGRAM
OUTDOOR PCB CIRCUIT DIAGRAM
ERROR CONTENTS
DISASSEMBLY ILLUSTRATION
PARTS LIST
STANDARD ACCESSORIES
. . . . . . . . . . . . . . . . . . . . . . . . 19
. . . . . . . . .. . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . 5
. . . . . 7
. . . . . . . . . . . . . . . . 12
. . . . . . 14
. . . . . . . . . 21
. . . 4
. . 10
SPECIFICATIONS
TYPE Inverter Cool & Heat
NOISE LEVEL
High speed 31 dB
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY 8.00 kW
ARHA24LATN
AOHA24LACL
7.10 kW
ELECTRICAL DATA
POWER SOURCE 230 V
FREQUENCY 50 Hz
RUNNING CURRENT
INPUT WATTS
E.E.R.
STARTING CURRENT
MOISTURE REMOVAL
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
Cooling 9.7 A
Heating
Cooling
Heating
Cooling
Heating 3.61 kW/kW
9.7 A
2.21 kW
2.21 kW
3.21 kW/kW
10.0 A
2.5 L/hr
INDOOR UNIT
OUTDOOR UNIT
Note : Static pressure : 30Pa
Duct length : Inlet 1m, Outlet 2m (indoor unit)
Med speed 29 dB
Low speed
Quiet
Cooling
Heating
27 dB
25 dB
52 dB
53 dB
DIMENSIONS AND WEIGHT
DIMENSIONS
H x W x D Outdoor unit
WEIGHT Indoor unit 45 kg / 38 kg
Gross / Net Outdoor unit 48 kg / 44 kg
Indoor unit 270 x 1,135 x 700 mm
578 x 790 x 315 mm
COMPRESSOR
TYPE
DISCRIMINATION DA150AIF-20NA
REFRIGERANT
R410A 1,700 g
Hermetic type, 4 poles,
DC motor, Twin Rotary
FAN SPEED
Discrimination
High
INDOOR UNIT
OUTDOOR UNIT
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
Med
Low
Quiet
Discrimination
Heating
MFG-24RV
830 r.p.m.
700 r.p.m.
600 r.p.m.
550 r.p.m.
MFE-24ROAM
1,050 r.p.m.Cooling
1,050 r.p.m.
AIR FLOW
High
Med
INDOOR UNIT
Low
Quiet
Cooling
OUTDOOR UNIT
Heating 2,470 m3/h
1,100 m3/h
950 m3/h
800 m3/h
600 m3/h
2,470 m3/h
REFRIGERANT CHARGE
Pipe Length
FULL CHARGE
ADDITIONAL CHARGE 20 g/m
MAXIMUM PIPE HEIGHT 20 m
15 m 1,700 g
20 m 1,800 g
25 m
30 m
1,900 g
2,000 g
Note : The above list shows values at the external static pressure of
30Pa, setting the fan speed high notch. (indoor unit)
2006.10.27 1
When you dismantle indoor units which are installed,
take care not to make parts fall down, especially motors.
DIMENSIONS
INDOOR UNIT
(Unit : mm)
139
132
32
240
477
161
173
121
264 264 264
1,177
1,015
1,135
107
114
66
32
168
281
240
700
283
40
240
270
16
2006.09.29 2
54
39
OUTDOOR UNIT
Unit : mm
Top view
31566790
578
10
347
Front view
Side view
540
Air flow
320
184
121
Drain pipe
Bottom view
4- 10mm hole
mounting place
( 20)
2006.09.29 3
177
189
REFRIGERANT SYSTEM DIAGRAM
OUTDOOR UNIT
Heat exchanger
INDOOR UNIT
Muffler
3-Way
valve
Muffler
4-Way
valve
Heat exchanger
Accumulator
Compressor
Cool
Heat
: THERMISTOR (COMPRESSOR 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)
Expansion
valve
StrainerStrainer
2-Way
valve
: THERMISTOR (PIPE TEP.)
: THERMISTOR (ROOM TEP.)
2006.10.23 4
CIRCUIT DIAGRAM
INDOOR UNIT
GRAY
GRAY
1 2
1 2
CN5 CN7
1
2
3
CN12
4
5
CONTROLLER PCB ASSY
1
2
3
4
5
1
2
3
1
2
( MAIN PCB )
CN11
CN9
CN10
CN4 CN1
1 234 567 8
1 234 567 8
1 2
1 2
1 2
CN8
BLACK
BLACK
1 2
1 2
PIPE TEMPERATURE
THERMISTOR
ROOM TEMPERATURE
THERMISTOR
1
2
CN3
3
1
2
3
4
5
6
7
RED
1
1
WHITE
2
2
CN14 CN13
BLACK
3
3
TERMINAL
3
2
1
1
2
CN6
3
3
TO REMOTE CONTROL UNIT
( OPTION )
FAN
MOTOR
F M
GREEN /
YELLOW
GRAY
GRAY
GRAY
GRAY
GRAY
GRAY
1 234 567 8
1 234 567 8
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
BROWN
YELLOW
WHITE
BLACK
RED
1
1
2
2
3
3
4
4
CN105
5
5
6
6
E101
GREEN
CN104
POWER SUPPLY
PCB ASSY
FUSE 3.15A
CN102 CN103 CN108
E102
GREEN
1 2
3
GRAY
GRAY
GRAY
GRAY
1 2
1 2
CN101
250V
1 2 1 2
1 2
WHITE
GRAY
3
3
W105
W102
W101
CN106
WHITE
RED
WHITE
BLACK
1
2
1
TO OUTDOOR UNIT
2
TERMINAL
3
COIL
2006.10.25 5
OUTDOOR UNIT
PIPE TEMPERATURE
THERMISTOR
DISCHARGE PIPE
TEMPERATURE THERMISTOR
COMPRESSOR
TEMPERATURE THERMISTOR
PIPE ( MID )
TEMPERATURE THERMISTOR
OUTDOOR TEMPERATURE
THERMISTOR
WHITE
FUSE 250V 5A
BLACK
BLACK
REACTOR
YELLOW
YELLOW
12
2
1
FUSE 250V 20A
BLACK
RED
WHITE
BLACK
BLACK
BROWN
BROWN
BROWN
BROWN
BLACK
BLACK
BLACK
BLACK
WHITE
BLACK
W10
W11
1
1
2
2
CN71
3
3
4
4
121
CN73
2
CONTROLLER PCB ASSY
CN72
CN70
( MAIN PCB )
FUSE
15A 250V
FUSE
3.15A
250V
RED
GREEN
121
1
2
3
2
1
2
3
W4
W2
W1
W3
S (S)
F M
FAN MOTOR
EXPANSION
PMV
VALVE
4WV
VALVE
R (R)
C M
RED
W7
W8
W9
CN801
CN40
CN30 4-WAY
RED
WHITE
BLACK
RED
1
1
2
2
BLACK
3
3
WHITE
4
4
YELLOW
5
5
BLUE
6
6
RED
1
1
BROWN
2
2
BLUE
3
3
ORANGE
4
4
YELLOW
5
5
WHITE
6
6
BLACK
1
1
2
2
BLACK
3
3
1
1
2
3
WHITE
2
3
BLACK
COMPRESSOR
C (T)
TERMINAL
2
1 3 L
N
( N )
TO INDOOR UNIT
POWER SOURCE
2006.11.14 6
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