General AUG12RA, AUG12RBAB, AOG12RMAJL Service Manual
SPLIT TYPE
AIR CONDITIONER
CASSETTE
Models Indoor unit Outdoor unit
AUG12RBAB AOG12RMAJL
AUY12RBAB AOY12RMAJL
type (50Hz)
2004.05.18
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 6
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . 7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SPECIFICATIONS
TYPE COOL & HEAT
INDOOR UNIT AUG12RBAB AUY12RBAB
OUTDOOR UNIT AOG12RMAJL AOY12RMAJL
COOLING CAPACITY (kW) 3.55 - 3.60
HEATING CAPACITY (kW) 4.00 - 4.10
ELECTRICAL DATA
POWER SOURCE (V) 220 - 240V
FREQUENCY (Hz) 50
RUNNING CURRENT (A)
INPUT WATTS (kW)
E.E.R. (kW/kW)
STARTING CURRENT (A) 35
MOISTURE REMOVAL ( /hr) 1.6
AIR CIRCULATION-Hi (m3/hr) 550
REFRIGERANT R-22 (g) 1,100
COOLING 5.9 - 6.1
HEATING 5.7 - 5.8
COOLING 1.26 - 1.34
HEATING 1.20 - 1.28
COOLING 2.82 - 2.69
HEATING 3.33 - 3.20
COMPRESSOR
TYPE Hermetic type
CODE
RH231VHAT
220 - 240V 50Hz
FAN MOTOR
POWER SOURCE (V) 240
TYPE MFA-14GTCT
INDOOR UNIT
OUTDOOR UNIT
HI-SPEED (r.p.m.) 730
MED-SPEED (r.p.m.) 670
LO-SPEED (r.p.m.) 590
TYPE MFB-14NTT
HI / LO (r.p.m.) 740 / 440
DIMENSIONS
INDOOR UNIT 235 x 580 x 580 +70
OUTDOOR UNIT H x W x D (mm) 530 x 750 x 250
GRILLE 35 x 650 x 650
WEIGHT
INDOOR UNIT 18 / 23
OUTDOOR UNIT GROSS / NET (kg) 37 / 39
GRILLE 2.2 / 4.3
2004.05.18
REFRIGERANT CHARGE (R-22)
PIPE LENGTH
MODELS
FULL CHARGE
AMOUNT
AUG12RBAB
AUY12RBAB
7.5 m 10 m 15 m 20 m
1,100 g 1,138 g 1,213 g 1,288 g 15 g / m
- 1 -
Additional
refrigerant
OUTLINE AND DIMENSIONS
20
235
66
250
440
580650
( 650) (Grille measurement)
650
(Hanging bolt position)
400
(Hanging bolt position)
606
650
580 66
440
35
600
(Ceiling opening measurement)
250
60
86
Drain pipe (I.D. 32)
54
46
131
111
47
INDOOR UNIT
(unit : mm)
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2004.05.18
OUTDOOR UNIT
13
(unit : mm)
250
750
530
540
285
2004.05.18
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Models : AUG12RBAB
THERMISTOR (PIPE TEMP.)
THERMISTOR (ROOM TEMP.)
RED
CONTROL BOARD
STEP
MOTOR
FAN MOTOR
CAPACITOR
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
BLACK
YELLOW
GRAY
GRAY
GREEN/YELLOW
BLUE
DISPLAY BOARD
PURPLE
GREEN
CN13
CN10
1
2
21
3
4 5
1
2
CN2
123
3
CN6
21
CN19
CN15
1
BLACK
BLACK
BLACK
BLACK
87654321
CN201
M
CN1
BLACK
BLACK
N
L
BLACK
GRAY
RED
BROWN
BLUE
BLACK
WHITE
WHITE
YELLOW
YELLOW
M
FAN
MOTOR
DRAIN PUMP
MOTOR
FLOAT
SWITCH
FILTER BOARD
TERMINAL
CN5
123456
412536978
FM
4356
2
(N)
1
(L)
Use T3.15A–250V
Fuse on F101
3
CN712CN8
12
1
13
BROWN
RED
ORANGE
YELLOW
WHITE
BLUE
GRAY
PURPLE
PINK
TO OUTDOOR UNIT
12345
87654321
87654321
AUY12RBAB
CIRCUIT DIAGRAM
Models : AOG12RMAJL
AOY12RMAJL
OVERLOAD
PROTECTOR
BLACK
C
COMPRESSOR
1
4
MAIN RELAY
TO POWER SUPPLY
R
S
6
5
BLACK
COMPRESSOR
CAPACITOR
RED
WHITE
LN1(L) 2(N) 3
WHITE
WHITE
BROWN
BROWN
BLACK
BLACK
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4 56
WHITE
BLUE
ORANGE
FUSE 5A
BLACK
FAN MOTOR
CAPACITOR
BLACK
TERMINAL
RED
FAN MOTOR
THERMAL
PROTECTOR
4-WAY
VALVE COIL
SV
BLACK
TO INDOOR UNIT
2004.05.18
ERROR CONTENTS
SWING TIMER OPERATION
MANUAL
AUTO
SWING LAMP
(Orange)
TIMER LAMP
(Green)
OPERATION LAMP
(Red)
Operation can be checked by lighting and flashing of the grille
display section OPERATION and TIMER lamps.
Perform judgment in accordance with the following.
TEST RUNNING
When the air conditioner is run by pressing the remote control
unit test run button, the OPERATION and TIMER lamps flash
slowly at the same time.
ERROR
The OPERATION, TIMER, and SWING lamps operate as
follows (Table 1) according to the error contents.
CHECK ITEMS
1. INDOOR UNIT
(1) Is operation of each button on the remote control unit
normal?
(2) Does each lamp light normally?
(3) Do not air flow direction louvers operate normally?
(4) Is the drain normal?
(5) Is there any abnormal noise and vibration during operation?
2. OUTDOOR UNIT
(1) Is there any abnormal noise and vibration during operation?
(2) Will noise, wind or drain water from the unit disturb the
neighbors?
(3) Is there any gas leakage?
• Do not operate the air conditioner in the test running state
for a long time.
Table 1
Error display
OPERATION TIMER SWING
lamp lamp lamp
Blinks Blinks Goes off
Pulses
4 times
Pulses
6 times
Pulses
2 times
Pulses
3 times
Blinks Goes off
Blinks Goes off
Goes off
Blinks
Blinks
Goes off
Blinks
Blinks
Error contents
Model information abnormal
(permanent type)
Drain abnormal (permanent type)
Indoor fan abnormal
Room air temperature thermistor
open circuit
Room air temperature thermistor
short circuit
Piping thermistor open circuit
Piping thermistor short circuit
2004.05.18
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