General AWH24L, AWH24LBAJ, AOH24LMAL, AWH30L, AWH30LBAJ Service Manual
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SPLIT TYPE
ROOM AIR CONDITIONER
C E IL IN G W A L L
Models Indoor unit Outdoor unit
AWH24LBAJ AOH24LMAL
AWH30LBAJ AOH30LMAL
ty p e
CONTENTS
SPECIFICATIONS
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CIRCUIT DIAGRAM
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . 7
OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . 8
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
STANDARD ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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1
SPECIFICATIONS
TYPE COOL & HEAT
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY (kW)
HEATING CAPACITY 8.5
(kW)
COOL & HEAT
AWH24LBAJ
AOH24LMAL
6.8
7.0
AWH30LBAJ
AOH30LMAL
8.0
ELECTRICAL DATA
POWER SOURCE (V) 230
FREQUENCY (Hz)
RUNNING CURRENT
INPUT WATTS (kW)
E.E.R.
MOISTURE REMOVAL ( /hr) 3.6
AIR CIRCULATION-Hi (m3/hr) 1,050
(kW/kW)
COOLING 13.3
(A)
HEATING 12.3
COOLING 3.04
HEATING 2.81
COOLING 2.68
HEATING 3.02
9.3
8.5
2.12
1.94
3.21
3.61
3.0
1,050
50
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A (g)
FAN MOTOR
POWER SOURCE (V)
DISCRIMINATION
HI-SPEED (r.p.m.)
INDOOR UNIT MED-SPEED (r.p.m.)
LO-SPEED (r.p.m.)
QUIET (r.p.m.)
OUTDOOR UNIT
DISCRIMINATION
(r.p.m.)
DIMENSIONS
INDOOR UNIT H x W x D (mm)
H x W x D (mm)OUTDOOR UNIT
Hermetic type, Inverter, 4 poles,
Three phase, DC motor, Twin Rotary
TNB220FPCM9
1,850
230
MFD-36JO
1,450
1,280
1,180
1,080
MFB-30NTAT
730
270 x 1,150 x 285
900 x 900 x 350
WEIGHT
INDOOR UNIT GROSS / NET (kg)
GROSS / NET (kg)OUTDOOR UNIT
20 / 16
78 / 70
12004.11.22
TYPE
INDOOR UNIT
OUTDOOR UNIT
NOISE LEVEL
INDOOR UNIT
OUTDOOR UNIT
HI-SPEED
MED-SPEED
LO-SPEED
QUIET-SPEED
(dB)
(dB)
(dB)
(dB)
(dB)
COOL & HEAT COOL & HEAT
AWH24LBAJ AWH30LBAJ
AOH24LMAL AOH30LMAL
47
43
40
37
52
REFRIGERANT CHARGE
PIPE LENGTH
FULL CHARGE AMOUNT
ADDITIONAL REFRIGERANT
(R410A)
10 m
(33 ft.)
15 m
(49 ft.)
20 m
(66 ft.)
25 m
(82 ft.)
1,850 g (65.1 oz)
2,100 g (73.9 oz)
2,350 g (82.7 oz)
2,600 g (91.7 oz)
50 g / m (1.76 oz / 3.3 ft.) (over 10 m)
22004.11.22
OUTLINE AND DIMENSIONS
Models : AWH24LBAJ
AWH30LBAJ
Models : AOH24LMAL
AOH30LMAL
Unit : mm
80448
373
333 ~ 352
11
900
900
48
350
30
Packed Valve
(Liquid)
9.52
Packed Valve
(Gas)
15.88
32004.07.22
REFRIGERANT SYSTEM DIAGRAM
Models : AWH24LBAJ / AOH24LMAL
AWH30LBAJ / AOH30LMAL
OUTDOOR UNIT
HEAT EXCHANGER
HEAT COOL
COMPRESSOR
4-WAY VALVE
ACCUMULATOR
3-WAY
VALVE
CAPILLARY
TUBE
RECEIVER
HEAT EXCHANGER
EXPANSION
VALVE
STRAINER
2-WAY
VALVE
INDOOR UNIT
HEAT EXCHANGER
42004.06.16
ERROR CONTENTS
The OPERATION, TIMER and SWING lamps operate
as follows according to the error contents.
Error contents
Indoor unit circuit board error
OPERATION TIMER SWING
Error display
(RED) (GREEN) (ORANGE)
Indoor unit room temperature sensor wire opened
Indoor unit room temperature sensor wire short circuited
Indoor unit piping sensor wire opened
Indoor unit piping sensor short circuited
Serial error
Outdoor unit circuit board error or miswiring
between outdoor unit and indoor unit
Indoor unit fan error
Outdoor unit piping sensor
Outdoor unit outdoor temperature sensor error
Outdoor unit discharge temperature sensor error
Outdoor unit compressor temperature sensor error
IPM error
Current transformer error
2 times
2 times
3 times
3 times
5 times
5 times
6 times
3 times
4 times
5 times
9 times
10 times
11 times
Active filter module error
Compressor location error
Outdoor fan motor error
Fast flashing
:
Slow flashing
:
Off
:
DIP switch
DIP-SW
1 2
OFF OFF
ON OFF
OFF ON OFF 12.0A
ON ON
3
OFF 16.5A
OFF 14.5A
OFF 9.5A
12 times
13 times
14 times
Current
(Max.)
Model
AOH30LMAL
AOH24LMAL
52004.11.22
CIRCUIT DIAGRAM
Models : AWH24LBAJ / AOH24LMAL
AWH30LBAJ / AOH30LMAL
INDOOR UNIT
BLUE
OUTDOOR UNIT
TO POWER SOURCE
62004.11.22
I N D O O R P R I N T E D C I R C U I T B O A R D
C I R C U I T D I A G R A M
Models :
AWH24LBAJ
AWH30LBAJ
CONTROLLER PCB ASSEMBLY (MAIN PCB)
AWY24LBAJ : EZ-0021HHSE-C
AWY30LBAJ : EZ-0021GHSE-C
ERMISTOR
ERMISTOR
OPERATE
SWITCHING
SWITCHING
SWITCHING
SWITCHING
CORRECTION
CORRECTION
INDICATOR PCB
MANUAL AUTO
SWITCH
72004.06.17
OUTDOOR PRINTED CIRCUIT BOARD
CIRCUIT DIAGRAM
Models : AOH24LMAL
AOH30LMAL
POWER SOURCE
AC230V
INVERTER ASSEMBLY
POWER SUPPLY PCB ASSEMBLY
( B-K01FL-05 )
EZ-001AHUE-P
TO INDOOR UNIT
W201
UL1015
AWG14
BLACK
L
N
3
L
F201
TLC25A-250V B
UL1015 AWG14 BLACK
UL1015 AWG20 BLACK
UL1015 AWG14 WHITE
UL1015 AWG20 WHITE
W1
W31 B
W2
W33
BLACK
L
WHITE
B
N
N
UL1015
3
AWG16
GREEN
FAN CAPACITOR-1
FAN MOTOR-1
FM1
W3
EARTH
GREEN
C211
450V
4uF
B
W202
UL1015
AWG20
RED
TM1 CN34
SERIAL
UL1015
AWG20
UL1015
AWG20
BLUE
RED
WHITE
BLACK
BLACK
BLACK
W102
BLACK
W103
BLACK
1
2
3
CN11
4
5
B4P7-VH-B
6
7
B
B
BLACK
WHITE
BBW23 W22
WHITE BLACK
UL1015
AWG20
1
3
B2P3-VH-B-Y
YELLOW
UL1015
AWG14
BROWN
BROWN
W10
TM2
TM101
UL1015
AWG14
BROWN
W105
BROWN
WHITEVIOLET
W20
W21
VIOLET
UL1007
AWG20
1
2
CN42
B2PB-XAYK-1-A
YELLOW
WHITE
W8
B
ORANGE
W9
B
ORANGE
TM102
TM103
UL1015 AWG18
ORANGE
UL1015 AWG18
ORANGE
W203
UL1015 AWG14
RED
W204
UL1015 AWG14
BLACK
POSISTOR
ZPR0YCE
400A300
CHOKE COIL
L=0.3MH 30A
AWG12
WHITE
L1
+
I C 414
- N1
ACTPM
SACT32010A
L2
N2
I O
AWG12
WHITE
1
2
3
4
5
6
P
EMI FILTER
TFT-152613N
2T
BROWN
RED
ORANGE
YELLOW
UL1007
AWG24
W205
UL1015
AWG14
WHITE
W206
UL1015
AWG14
VIOLET
TM104
YELLOW
TM105
YELLOW
1
BROWN
2
RED
3
ORANGE
4
YELLOW
CN407
B4B-XASK-1-A
BLUE
W25W27
B
BLUE
UL1015
AWG20
CN35
31
B2P3-VH-B-M
GREEN
B
CN15
B6B-XASK-1-A
CN16
B7B-XASK-1-A
TM110
TM107
W207
UL1015 AWG14
YELLOW
W208
UL1015 AWG14
BLUE
YELLOW
ORANGE
RED
BROWN 1
UL1007
AWG24
GRAY
VIOLET
BLUE
GREEN
UL1007
AWG24
P
N
6
5
4
CN302
3
2
UL1015
AWG16
BLACK
U
WHITE
V
RED
W
BLACK
1
1
WHITE
3
3
2
2
C M
RED
COMPRESSOR
TR PCB ASSEMBLY
7
6
5
4
3
2
1
CN302
( B-K02CJ-01 )
EZ-001AHUE-TR
4-WAY VALVE
EXPANSION VALVE
DISCHARGE TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
OUTDOOR TEMPERATURE THERMISTOR
BROWN
1
RED
2
ORANGE
BLUE
BLUE
RED
BROWN
BLUE
M
-0
-0
-0
ORANGE
YELLOW
WHITE
BROWN
BROWN
BLACK
BLACK
BLUE
BLUE
1
CN30
2
3
179844-1
1
2
CN27
3
4
B6B-XARK-1-A
5
RED
6
CN21
1
2
B2B-XH-AM
1
CN22
2
B2B-XH-AM
1
CN23
2
B2B-XAEK-1-A
YELLOW
RED
BLUE
CONTROLLER PCB ASSEMBLY
( B-K01FK-02 )
AOY24LMAL : EZ-003PHUE-C
AOY30LMAL : EZ-003RHUE-C
CN14
B9B-XASK-1-A
UL1007
AWG24
YELLOW
GREEN
BLUE
VIOLET
GRAY
BLACK
3
4
5
6
7
8
10
CN301
82004.07.22
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