General ABH45L, ABH45LBAG, AOH45LJBYL Service Manual
SPLIT TYPE
ROOM AIR CONDITIONER
CEILING
type (50Hz)
Models
Indoor unit Outdoor unit
ABH45LBAG AOH45LJBYL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . 4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ERROR DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . 13
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
STANDARD ACCESSORIES . . . . . . . . . . . . . . . . . . . . 24
11
7INDOOR PCB CIRCUIT DIAGRAM . . . . . . . . . . . . . . .
8OUTDOOR PCB CIRCUIT DIAGRAM . . . . . . . . . . . . .
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
ELECTRICAL DATA
POWER SOURCE
RUNNING CURRENT
INPUT WATTS
E.E.R.
STARTING CURRENT
MOISTURE REMOVAL
(kW/kW)
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
(A)
(kW)
(kW)
(kW)
(V)
( /Hz)
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
(A)
( /hr)
COOLING & HEATING
ABH45LBAG
AOH45LJBYL
12.5
14.0
230
1 / 50
19.5
18.5
4.45
4.25
2.81
3.29
15
4.0
Hermetic type, 6 poles,
Induction motor, Scroll
ANB33FCMMT
3,400 g
FAN MOTOR
HIGH
FAN SPEED
(r.p.m.)
AIR FLOW
INDOOER MED
LOW
OUTDOOR
INDOOER
OURDOOR
3
(m /h)
Up Fan 850 / Down Fan750
DIMENSIONS
INDOOR UNIT H x W x D (mm)
OUTDOOR UNIT
H x W x D (mm)
240 x 1,660 x 700
1,290 x 900 x 330
WEIGHT
INDOOR UNIT GROSS / NET (kg)
OUTDOOR UNIT
MAX PIPE LENGTH
MAX PIPE HEIGHT
REMOTE CONTROLLER TYPE
GROSS / NET (kg)
61 / 48
112 / 105
WIRELESS
ADDITIONAL REFRIGERANT CHARGE (R410A)
PIPE LENGTH
FULL CHARGE
AMOUNT
ADDITIONAL CHARGE
20 m
30 m
40 m
50 m
60 m
70 m
( 66 ft )
( 99 ft )
( 132 ft )
( 164 ft )
( 197 ft )
( 230 ft )
3,400 g (119.9 oz)
3,800 g (134.0 oz)
4,200 g (148.2 oz)
4,600 g (162.3 oz)
5,000 g (176.4 oz)
5,400 g (190.5 oz)
40 g / m (0.427 oz / ft.)
1,200
1,100
950
2,000
6,600
70 m
30 m
2005.12.01 1
DIMENSIONS
INDOOR UNIT
Model :
(Unit : mm)
ABH45LBAG
700
1,660 240
1,600
2005.12.01 2
300
130
OUTDOOR UNIT
Model : AOH45LJBYL
(Unit : mm)
3177900 330 12
1290
21
9
400
650
Air Flow
370
2005.12.01 3
REFRIGERANT SYSTEM DIAGRAM
Model : ABH45LBAG / AOH45LJBYL
OUTDOOR UNIT
Condenser
Muffler x 2
Strainer
Pressure
Check Valve
High
Pressure
Switch
4-way
Valve
Compressor
Expansion
Valve
Strainer
Strainer
Charging Valve
Refrigerant Pipe
15.88mm (5/8")
Charging
Valve
Accumulator
Refrigerant Pipe
INDOOR UNIT
Evaporator
9.52mm (3/8")
: Cool
: Heat
2006.01.23 4
CIRCUIT DIAGRAM
Model : ABH45LBAG
Thermistor
(room temp.)
Display
board
Fan motor
CN201
Thermistor
(pipe temp.)
1
CN6
2
3
brown
red
yellow
white
blue
gray
gray
blue
black
white
red
1
2
3
4
5
6
7
8
1
2
3
1
2
CN5 CN16 CN13 CN15
1
1
2
2
3
4
5
6
7
8
3
4
5
6
7
8
1
2
orange
purple
purple
3
2
1
3
1 2
gray
gray
CN7
Control
board
CN1
233
1
white
black
black
1 21 21 2
CN8
1
CN4
2
1
2
CN10
4
5
1
2 2
CN11
4
5
black
white
white
brown
1
red
2
orange
33
yellow
4
white
5
brown
1
red
orange
33
yellow
4
white
5
Use T 3.15A - 250V
Fuse on F101
Fan motor capacitor
Step motor
(up / down)
Step motor
(left / right)
red
2005.12.01 5
Filter
board
green
white
black
Terminal
Model : AOH45LJBYL
Compressor
Choke
coil
red
U
W
Terminal
V
black
Connector
white
white
brown
EMI filter
2T
red
white
black
Active
filter
module
L1
L2
red
(pipe)
Thermistor
EMI filter
1T
brown
1
red
2
orange
3
4
5
yellow
6
P
N
yellow
blue
Thermistor
(discharge)
brown
1 2 1 2 1 2 1 2 1
U
W305
V
W304
W
W303
1
2
3
4
5
W14
W15
Printed circuit board
CN407
EMI filter
2T
white
violet
black
W107
W108
(outdoor)
Thermistor
black
Thermistor
(compressor)
blue
Fuse
F4 T 3 15A 250V
(main)
CN1 CN34
1 2 3 1 2 34
(heat sink)
Thermistor
brown
black
CN25CN26CN23CN22CN21
CN37
CN30
CN800
CN801
CN27
W200
2
1
2
1
2
3
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
High pressure SW
red
red
black
black
red
black
white
yellow
brown
red
black
white
yellow
brown
red
brown
blue
orange
yellow
white
4WV
Solenoid coil
FM
FM
Expansion
EV
valve coil
Fan motor 1
Fan motor 2
Relay
black
gray
Terminal
Diode bridge
gray
orange
Posistor
EMI filter
2T
orange
white
black
TM102
TM101
EMI filter
1T
Earth
brown
red
W8
black
W9
black
1
2 3
CN1
Printed circuit board
(filter)
W3
W6 W7 W1
black
green
white
Fuse
10A
2
(N)
Earth Earth
white
EMI filter
3T
W2
black
white
red
NL31
2005.12.01 6
INDOOR PCB CIRCUIT DIAGRAM
Model : ABH45LBAG
POWER SOURCE
230V
50Hz
CONTROLLER PCB ASSEMBLY(MAIN PCB)
K01AL-050HHSE-C1
I C 1
uPD780058BGC
-108-8BT
POWER SUPPLY PCB
EZ-002THSE-P
INDICATOR PCB
EZ-097JHSE-D
OUTDOOR UNIT
2005.12.01 7
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