General AUG18F, AUG18FBAB, AOG18FNCKL, AUG18U, AUG18UBABAOG18UNCKL Service Manual
SPLIT TYPE
AIR CONDITIONER
CASSETTE
Models
Indoor unit Outdoor unit
AUG18FBAB
AOG18FNCKL
type (50Hz)
AUG18FBAB AOG18FNCNL
AUG18UBAB AOG18UNCKL
AUG18UBAB AOG18UNCNL
CONTENTS
SPECIFICATIONS
OUTLINE AND DIMENSIONS
CIRCUIT DIAGRAM
INDOOR PCB CIRCUIT DIAGRAM
ERROR CONTENTS
DISASSEMBLY ILLUSTRATION
PARTS LIST
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1
2
4REFRIGERANT SYSTEM DIAGRAM
5
7
9
10
18
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
ELECTRICAL DATA
POWER SOURCE
RUNNING CURRENT
INPUT WATTS
E.E.R.
MOISTURE REMOVAL
AIR CIRCULATION-HIGH
FAN MOTOR
DISCRIMINATION
INDOOR
UNIT
OUTDOOR
UNIT
HIGH-SPEED
MED-SPEED
LOW-SPEED
DISCRIMINATION
HIGH-SPEED
LOW-SPEED
DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
GRILLE
H x W x D
H x W x D
H x W x D
COOL
AUG18FBAB
AOG18FNCKL AOG18FNCNL
5.00 kW
230 V 50 Hz
8.5 A
1.90 kW
2.63 kW/kW
2.1 L/hr
620 m3/hr
MFA-18GTT
800 r.p.m.
700 r.p.m.
600 r.p.m.
MFB-24JTBT MFB-24JTS
780 r.p.m.
400 r.p.m.
235 x 580 x 580 +70 mm
650 x 830 x 320 mm
35 x 650 x 650 mm
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
ELECTRICAL DATA
POWER SOURCE
RUNNING
CURRENT
INPUT WATTS
E.E.R.
MOISTURE REMOVAL
AIR CIRCULATION-HIGH
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
FAN MOTOR
DISCRIMINATION
INDOOR
UNIT
OUTDOOR
UNIT
HIGH-SPEED
MED-SPEED
LOW-SPEED
DISCRIMINATION
HIGH-SPEED
LOW-SPEED
COOL & HEAT
AUG18UBAB
AOG18UNCKL AOG18UNCNL
4.85 kW
5.40 kW
230 V 50 Hz
8.2 A
9.2 A
1.85 kW
2.00 kW
2.62 kW/kW
2.70 kW/kW
2.1 L/hr
620 m3/hr
MFA-18GTBT
800 r.p.m.
700 r.p.m.
600 r.p.m.
MFB-24JTBT
MFB-24JTBS
780 r.p.m.
400 r.p.m.
WEIGHT
INDOOR UNIT
OUTDOOR UNIT
GRILLE
Net / Gross
Net / Gross
Net / Gross
18 kg / 23 kg
47 kg / 51 kg
2.2 kg / 4.3 kg
REFRIGERANT CHARGE (R410A)
COMPRESSOR TYPE
DISCRIMINATION
Pipe Length 7.5 m
10 m
FULL CHARGE
15 m
20 m
ADDITIONAL CHARGE
MAXIMUM PIPE HEIGHT
MAXIMUM PIPE LENGTH
Hermetic type, Rotary
5KS225DAC
800 g
850 g
950 g
1,050 g
20 g/m
8 m
20 m
DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
GRILLE
H x W x D
H x W x D
H x W x D
235 x 580 x 580 +70 mm
650 x 830 x 320 mm
35 x 650 x 650 mm
WEIGHT
INDOOR UNIT
OUTDOOR UNIT
GRILLE
Net / Gross
Net / Gross
Net / Gross
18 kg / 23 kg
52 kg / 56 kg
2.2 kg / 4.3 kg
REFRIGERANT CHARGE (R410A)
COMPRESSOR TYPE
DISCRIMINATION
Pipe Length
FULL CHARGE
ADDITIONAL CHARGE
MAXIMUM PIPE HEIGHT
MAXIMUM PIPE LENGTH
7.5 m
10 m
15 m
20 m
Hermetic type, Rotary
5KS225DAC
1,250 g
1,300 g
1,400 g
1,500 g
20 g/m
8 m
20 m
12006.03.23
OUTLINE AND DIMENSIONS
INDOOR UNIT
(unit : mm)
650
20
35
440
650
580
235
580 66
250
( 650) (Grille measurement)
650
(Hanging bolt position)
400
60
131
606
440
(Hanging bolt position)
66
47
111
46
86
600
(Ceiling opening measurement)
Drain pipe (I.D. 32)
250
54
22006.03.23
OUTDOOR UNIT
(unit : mm)
830
650
12
350
32006.03.23
REFRIGERANT SYSTEM DIAGRAM
Models :
AUG18FBAB / AOG18FNCKL
AUG18FBAB / AOG18FNCNL
OUTDOOR UNITINDOOR UNIT
Refrigerant pipe
6.35mm(1/4")
Evaporator
Refrigerant pipe
12.7mm(1/2")
Models :
AUG18UBAB / AOG18UNCKL
AUG18UBAB / AOG18UNCNL
Charging valve
Capillary tube
Strainer
Condenser
Compressor
INDOOR UNIT
Evaporator
Refrigerant pipe
6.35mm(1/4")
Refrigerant pipe
12.7mm(1/2")
Charging valve
OUTDOOR UNIT
Strainer
Compressor
4-Way
valve
Capillary tube
Strainer
Distributor
Condenser
Muffler
42006.03.23
CIRCUIT DIAGRAM
Model : AUG18FBAB
THERMISTOR(ROOM TEMP)
THERMISTOR(PIPE TEMP)
MOTOR
GREEN / YELLOW
TO OUTDOOR UNIT
TERMINAL
5 4 3
(N)
2
(L)
1
MOTOR
FAN
MOTOR
CN201
DISPLAY BOARD
4
3
2
1
FLOAT
SWITCH
3
1
BLACK
BLACK
BLACK
GRAY
GRAY
STEPPING
M
FM
DRAIN PUMP
M
12345
1
2
5 3
6 4
YELLOW
YELLOW
BLACK
WHITE
WHITE
YELLOW
ORANGE
RED
BROWN
BLUE
PURPLE
RED
WHITE
BLACK
1
2
1
5
CN10
3 34 4
2 2
1 1
CN5
5 6
CN6 CN2 CN4 CN19
1
2
BLACK
BLACK
2
1
2
CONTROL BOARD
3
BLACK
3
1
1
CAPACITOR
1
2
FAN MOTOR
WHITE
WHITE
1
BROWN
GRAY
4
3
2
ORANGE
RED
4
3
221
CN13CN15CN8CN7
3
8
7
6
5
8
7
6
5
YELLOW
PURPLE
WHITE
GRAY
BLUE
8
7
6
5
CN1
WHITE
1
BLACK
1
Use T3.15A
Fuse on F101
250V
FILTER
BOARD
N
L
GREEN
Models : AOG18FNCKL, AOG18FNCNL
INTERNAL
OVERLOAD
PROTECTOR
COMPRESSOR
WHITE
R
COMPRESSOR
C
CAPACITOR
S
BLACK
MAIN RELAY
61
54
RED
BROWN
BROWN
BLACK
WHITE
BLACK
THERMAL
PROTECTOR
RED
BLUE
WHITE
FAN MOTOR
CAPACITOR
FUSE 5A
WHITE
BLACK
FAN MOTOR
BLACK
TO POWER SUPPLY
BLACK
WHITE
WHITE
L N 3 4 5
1(L) 2(N)
52006.03.23
TO INDOOR UNIT
Model : AUG18UBAB
TO OUTDOOR UNIT
TERMINAL
56 4 3
(N)
2
(L)
1
THERMISTOR(ROOM TEMP)
THERMISTOR(PIPE TEMP)
STEPPING
MOTOR
M
GREEN / YELLOW
MOTOR
FM
FAN
FAN MOTOR
CAPACITOR
ORANGE
12345
1 2 5 3 6 4 7 8 9
WHITE
YELLOW
BROWN
BLUE
PURPLE
PINK
WHITE
YELLOW
RED
BROWN
BLUE
RED
RED
CN201
DISPLAY BOARD
4
3
2
1
FLOAT
SWITCH
3
1
BLACK
BLACK
BLACK
GRAY
GRAY
2
1
CN10
12345 1 2 3 4 5 6
2
1
BLACK
3
1
CN15CN8CN7
4
3
2
1
ORANGE
YELLOW
BROWN
RED
4
3
2
1
CN13
8
7
6
5
8
7
6
5
PURPLE
WHITE
GRAY
BLUE
8
7
6
5
2 1
CN1
WHITE
BLACK
Use T3.15A
Fuse on F101
250V
CONTROL BOARD
CN5
CN6 CN2 CN19
1
BLACK
DRAIN PUMP
MOTOR
M
YELLOW
YELLOW
1
2
2
BLACK
BLACK
1
2
3
GRAY
1
3
WHITE
BLACK
FILTER
BOARD
N
L
GREEN
Models : AOG18UNCKL, AOG18UNCNL
WHITE
R
COMPRESSOR
CAPACITOR
INTERNAL
OVERLOAD
PROTECTOR
COMPRESSOR
C
S
BLACK
RED
61
54
BROWN
BROWN
BLACK
MAIN RELAY
BLACK
L N 1(L) 2(N)
TO POWER SUPPLY
WHITE
WHITE
THERMAL
PROTECTOR
RED
WHITE
BLACK
BLACK
3 4 5 6
BLUE
WHITE
FAN MOTOR
CAPACITOR
FUSE 5A
FAN MOTOR
BLACK
FOUR WAY
VALVE COIL
SV
BLACK
TO INDOOR UNIT
62006.03.23
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