General ASH12LB, ASH12LSBCW, AOH12LFBC, ASH9LB, ASH9LSBCW Service Manual
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SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED
Models
Indoor unit Outdoor unit
ASH9LSBCW AOH9LFBC
ASH12LSBCW AOH12LFBC
type
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
STANDARD ACCESSORIES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14
5INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . .
6OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . .
7
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
(kW) 3.50
(kW)
COOL & HEAT INVERTER
ASH9LSBCW
AOH9LFBC
2.60
3.60
ELECTRICAL DATA
POWER SOURCE (V) 230
FREQUENCY (Hz)
RUNNING CURRENT
INPUT WATTS
E.E.R.
COP HEATING
MOISTURE REMOVAL
AIR CIRCULATION-Hi (m /hr)
(kW/kW)
(kW/kW)
COOLING 4.3
(A)
HEATING
COOLING 0.92
(kW)
HEATING
COOLING
( /hr)
3
3.0
3.8
0.62
0.82
4.19
4.39
1.3
50
COMPRESSOR
TYPE
DISCRIMINATION DA 89 X 1F - 20F
REFRIGERANT R410A (g) 1,050950
Hermetic type, 4 pole, 3 phase,
DC inverter motor, Rotary
ASH12LSBCW
AOH12LFBC
4.80
5.6
1.23
3.80
3.90
1.8
C 635 H 670C 595 H 645
FAN MOTOR
POWER SOURCE (V) 230
HI-SPEED (r.p.m.) C 1,300 H 1,390
INDOOR
UNIT
OUTDOOR UNIT (r.p.m.) C 830 H 830C 840 H 840
MED-SPEED (r.p.m.) C 1,120 H 1,200
LO-SPEED (r.p.m.) C 950 H 1,000
QUIET (r.p.m.) C 700 H 760
DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
H x W x D (mm)
H x W x D (mm)
275 x 790 x 215
540 x 790 x 290
WEIGHT
INDOOR UNIT
OUTDOOR UNIT
GROSS / NET (kg)
GROSS / NET (kg)
NOISE LEVEL
INDOOR UNIT
OUTDOOR UNIT
(dB) C 43 H 43
(dB) C 47 H 49
C 42 H 42
C 47 H 48
REFRIGERANT (R410A)
Pipe Length
FULL CHARGE AMOUNT
ADDITIONAL REFRIGERANT
15 m 950 g 1,050 g
20 m 1,050 g 1,150 g
20 g / m
C 1,370 H 1,440
C 1,150 H 1,200
C 950 H 1,000
C 700 H 760
12 / 9
42 / 3839 / 35
2005.01.31 1
DIMENSIONS
Models : ASH9LSBCW / AOH9LFBC
ASH12LSBCW / AOH12LFBC
790
275
(unit : mm)
215
2,000
17
540
790
290
56
( 353 )
2005.02.18 2
REFRIGERANT SYSTEM DIAGRAM
Models : ASH9LSBCW / AOH9LFBC
ASH12LSBCW / AOH12LFBC
Muffler
Compressor
3-Way
valve
Muffler
4-Way valve
Heat exchanger
( INDOOR )
2-Way
valve
Strainer
Expansion valve
Cooling
Heating
Heat exchanger
( OUTDOOR )
AOH9LFBC
(2Pass)
AOH12LFBC
(4Pass)
Strainer
2005.02.01 3
CIRCUIT DIAGRAM
Models : ASH9LSBCW / AOH9LFBC
ASH12LSBCW / AOH12LFBC
INDOOR UNIT
Terminal
Thermal Fuse
102 C
2
1
2
1
Power
Fan Motor
6
6
Power
Relay
Display Board
10
11
9
5
5
5
1
2
3
4
1
2
3
4
6
7
10
11
9
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
1
2
3
4
Controller PCB
1
2
3
4
5
1
1
1
2
2
2
3
4
5
Test
5
1
2
3
4
OUTDOOR UNIT
Reactor Reactor
Thermistor (Discharge Pipe)
Thermistor (pipe)
Thermistor (outdoor temp.)
Thermistor
(room temp.)
Thermistor
(pipe temp.)
Stepping
Motor
PCB (MAIN)
Compressor
1
1
2
2
3
3
1
1
1
2
2
3
3
4
4
1
1
2
2
3
3
1
2
2
3
3
4
4
5
5
1
1
2
2
3
3
4
4
5
5
6
6
Fan Motor
Expansion
Valve
Fuse 250V20A
Terminal
2005.01.31 4
1
1
2
2
3
3
4-Way
Valve Assy
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