General AOH18LM, ASH12LMACW, AOH18LMAK2, ASH7LMACW, ASH9LMACW Service Manual
INVERTER MULTI
AIR CONDITIONER
WALL MOUNTED
type
Models
Indoor unit Outdoor unit
ASH7LMACW
ASH9LMACW
AOH18LMAK2
ASH12LMACW
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .
OUTLINE AND DIMENSIONS . . . . . . . . . .
REFRIGERANT SYSTEM DIAGRAM . . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . .
INDOOR PCB CIRCUIT DIAGRAM . . . . . . .
ERROR CONTENTS . . . . . . . . . . . . . . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . 11
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . 13
STANDARD ACCESSORIES . . . . . . . . . . . 15
1
2
3
4
6
7OUTDOOR PCB CIRCUIT DIAGRAM . . . . .
8
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
ELECTRICAL DATA ( INDOOR UNIT )
COOLING CAPACITY
HEATING CAPACITY
MOISTURE REMOVAL
AIR CIRCULATION-Hi
(kW)
(kW)
( /hr)
(m3/hr)
ELECTRICAL DATA ( OUTDOOR UNIT )
POWER SOURCE
FREQUENCY
COOLING CAPACITY
HEATING CAPACITY
RUNNING CURRENT
(MAX)
INPUT WATTS
(MAX)
E.E.R.
(kW / kW)
(MAX)
(MAX)
(A)
(kW)
(V)
(Hz)
(kW)
(kW)
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
2.2
2.6
1.0
430
COOL & HEAT
ASH9LMACW ASH12LMACWASH7LMACW
AOH18LMAK2
2.7
3.2
1.2
480
230
50
5.5 (6.5)
6.4 (7.1)
7.5 (9.7)
8.0 (9.7)
1.73 (2.22)
1.84 (2.22)
3.18
3.48
3.5
4.0
1.6
530
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT
FAN MOTOR
POWER SOURCE
INDOOR UNIT
OUTDOOR UNIT
DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
WEIGHT
INDOOR UNIT
OUTDOOR UNIT
R410 A (g)
(V)
DISCRIMINATION
HI
MED
LO
QUIET
H x W x D (mm)
H x W x D (mm)
GROSS / NET
GROSS / NET
(r.p.m.)
(r.p.m.)
(r.p.m.)
(r.p.m.)
(r.p.m.)
(kg)
(kg)
Hermetic type, Inverter, 4 poles,
Three phase, DC motor, Rotary
TNB 220 FPCM
1,900
230
MFA-40GR
1,000
900
850
800
MFA-40GR MFA-40GR
1,200
1,100
1,000
940
780 - 790
257 x 808 x 187
650 x 830 x 320
10 / 8
62 / 56
1,310
1,260
1,190
1,100
2005.08.23
NOISE LEVEL
INDOOR UNIT
OUTDOOR UNIT
HI (dB)
LO
COOLING
HEATING
(dB)
(dB)
(dB)
34
29
36
29
49
50
38
33
1
OUTLINE AND DIMENSIONS
Unit : mm
INDOOR UNIT
Models : ASH7LMACW
ASH9LMACW
ASH12LMACW
257
OUTDOOR UNIT
Model : AOH18LMAK2
808
187
830
650
12
Bottom
Air flow
343
350
2005.07.11
603
2
REFRIGERANT SYSTEM DIAGRAM
heat exchanger
(Outdoor)
4-way valve
strainer
receiver tank
EVA
EVB
electric
expansion
valve
strainer
2-way
valve
A Unit
heat exchanger
(Indoor)
B Unit
2005.08.19
COMP
compresser
accumulator
3-way
valve
HEAT
COOL
3
CIRCUIT DIAGRAM
INDOOR UNIT
BLACK
BLACK
Models :
ASH7LMACW
ASH9LMACW
ASH12LMACW
CN201
BOARD DISPLAY
RED
F M
BLACK
WHITE
6
WHITE
5
WHITE
4
WHITE
3
WHITE
2
RED
1
WHITE
WHITE
YELLOW
GREEN
PURPLE
BLACK
FAN MOTOR
PURPLE
GRAY
GRAY
6
5
4
3
2
1
1
2
3
5
4
3
2
1
3
2
1
THERMISTOR ( ROOM TEMP. )
TEST
1 2 3 4 5
CN1
1
2
1
2
6
5
4
3
2
1
CN10CN7
CN5
2
1
3
5
4
3
2
1
H.A. OUT
H.A. IN
5
4
3
2
1
CN3CN2
CN4CN8
1
1
2
CONTROL BOARD
3
CN6
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
WHITE
WHITE
WHITE
WHITE
WHITE
BLUE
WHITE
1 2 3 4 5 6 7 8
CN105
5
4
3
CN101CN102CN104CN103
2
1
W101
FAN MOTOR
CAPACITOR
W106
3
2
1
W105
THERMISTOR
( PIPE TEMP. )
BLUE
PINK
YELLOW
ORANGE
RED
STEPPING MOTOR
WHITE
ORANGE
ORANGE
M
2005.07.11
THERMAL FUSE
RED
RED
GRAY
GRAY
THERMAL FUSE
103
THERMAL
TRANSFORMER
1
1
212
212
BLACK
WHITE
1 2 3
4
POWER SUPPLY BOARD
W104
W103W102
RED
(N)
OUTDOOR UNIT
Model : AOH18LMAK2
2005.08.23
5
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