. . . . . . 7
OUTDOOR PCB CIRCUIT DIAGRAM . . . . 8
DISASSEMBLY ILLUSTRATION . . . . . . . . . 10
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . 17
Models
Indoor unit
Outdoor unit
AUY12LBAB
AOY24LMAM2
AUY14LBAB
CASSETTE
type COMPRESSOR
DIMENSIONS
Hermetic type, Inverter, 4 poles,
Three phase, DC motor, Rotary
TNB 220 FPCM
R410A
(g)
1,900
(V)
230
HI
DISCRIMINATION
(r.p.m.)
MED
(r.p.m.)
LO
(r.p.m.)
(r.p.m.)
780
H x W x D
(mm)
H x W x D
(mm)
235 x 580 x 580+70
650 x 830 x 320
FAN MOTOR
WEIGHT
730
MFA-14GTCT
670
590
1
2005.08.18
SPECIFICATIONS
TYPE
DISCRIMINATION
REFRIGERANT
POWER SOURCE
INDOOR UNIT
OUTDOOR UNIT
NOISE LEVEL
INDOOR UNIT
H x W x D
(mm)
35 x 650 x 650
GRILL
OUTDOOR UNIT
GROSS / NET
(kg)
GROSS / NET
(kg)
23 / 18
62 / 56
INDOOR UNIT
GROSS / NET
(kg)
4.3 / 2.2
GRILL
OUTDOOR UNIT
COOL & HEAT
AUY14LBAB
AUY12LBAB
AOY24LMAM2
TYPE
INDOOR UNIT
OUTDOOR UNIT
HI
(dB)
LO
COOLING
HEATING
(dB)
(dB)
(dB)
50
42
MED
(dB)
39
36
49
INDOOR UNIT
OUTDOOR UNIT
3.3
3.7
4.0
4.2
1.2
1.5
(kW)
(kW)
(V)
230
COOLING CAPACITY
(MAX)
HEATING CAPACITY
(MAX)
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
(Hz)
50
(A)
(kW)
(kW)
(kW)
(kW / kW)
7.6 (12.2)
7.2 (12.2)
5.8 (7.8)
6.4 (9.0)
(m
3
/hr)
ELECTRICAL DATA ( OUTDOOR UNIT )
ELECTRICAL DATA ( INDOOR UNIT )
1.73 (2.77)
1.64 (2.77)
3.35
3.90
550
COOLING CAPACITY
HEATING CAPACITY
MOISTURE REMOVAL
POWER SOURCE
FREQUENCY
RUNNING CURRENT
E.E.R.
AIR CIRCULATION-Hi
(MAX)
INPUT WATTS
(MAX)
( /hr) 2
3
5
66
2
5
0
4
4
0
580
( 650) (Grille measurement)
650
(Hanging bolt position)
400
(
H
a
n
g
i
n
g

b
o
l
t

p
o
s
i
t
i
o
n
)
6
0
6
5
8
0
6
6
440
600
(Ceiling opening measurement)
2
5
0

60
86
Drain pipe (I.D. 32)
5
4
46
1
3
1
1
1
1
4
7
(unit : mm)
INDOOR UNIT
OUTLINE AND DIMENSIONS
2
0
3
5
6
5
0
650
Models :
AUY12LBAB
AUY14LBAB
2
2005.08.18 OUTDOOR UNIT
Unit : mm
Model : AOY24LMAM2
Air flow
Bottom
603
3
4
3
350
830
6
5
0
1
2
3
2005.07.19 REFRIGERANT SYSTEM DIAGRAM
A Unit
B Unit
heat exchanger
(Indoor)
heat exchanger
(Outdoor)
3-way
valve
2-way
valve
accumulator
compresser
4-way valve
COMP
electric
expansion
valve
strainer
strainer
receiver tank
EVA
EVB
HEAT
COOL
4
2005.08.18 INDOOR UNITS
CIRCUIT DIAGRAM
Models :
AUY12LBAB
AUY14LBAB
5
2005.08.18 OUTDOOR UNIT
Thermistor
(heat sink)
Expansion
valve coil B
Expansion
valve coil A
Fan capacitor
Fan motor
4-way valve
Compressor
Choke coil
Capacitor
PCB
CN39
CN38
CN37
CN407
CN11
CN21
CN22
CN25
CN27
CN11
CN30
CN28
CN23
Compressor
pressure sw
Active
filter
module
Compressor
thermal sw
Thermistor (valve)
Fuse
F2 T 3.15A 250V
Fuse
F4 T 5A 250V
Thermistor
(outdoor)
Thermistor
(pipe)
Thermistor
(discharge)
Model : AOY24LMAM2
6
2005.07.14 230 V
50HZ
CONTROLLER PCB ASSY ( MAIN PCB )
INDOOR PCB CIRCUIT DIAGRAM
AUY12LBAB : K01AL-040THSE-C1
AUY14LBAB : K01AL-040WHSE-C1
7
2005.07.19 12V
12V
5V
12V
12V
BLACK
BLACK
BROWN
BROWN
BLACK
WHITE
RED
BLUE
( ACTPM )
18V
C415
0.01
<F>
A
C413
0.01
<F>
A
A
R437 270
<1/10W>
(1%)
R438 270
<1/10W>
(1%)
5V
R404 510
<1/10W>
18V
I C402
PS2561L-1-V
Q401
DTC114EKA
2
1
3
2
1
4
3
CN407
B4B-XASK
-1-A
WHITE
ACTPM CONTROL
4
1
2
3
BROWN
RED
ORANGE
YELLOW
UL1007
AWG24
TM102
TM103
W11
BLACK
D101
D25XB60
+
-
1
4
2
3
UL1015
AWG14
BLACK
+
-
I C414
SACT32010A
L1
L2 P
N1
UL1015
AWG14
RED
W10
RED
2P TERMINAL
WHITE
PURPLE
BLUE
YELLOW
+C204
1200
450V
EMI FILTER
RFC-8 1T
W12
W13
18V
TM104
TM105
A
R201
220K
<2W>
C116 0.1
<HCP>
UL1015 AWG14
2T
EMI FILTER
TFC-25
-15-12
CHOKE COIL
L=0.3MH 30A
C115 0.1
<HCP>
C114 1.0
<LE>
R200
ZPR0RCH400
1
4
2
3
1
2
C113
0.015
<YE>
C112
0.015
<YE>
12V
K101
DW12D1
L4
RCV2515-010PF05
1
2
3
4
C109
0.015
<YE>
C110
0.015
<YE>
C111
1.0 <YE>
5V
1
2
3
+
C60
<PJ>
220/16V
5V
C107
2.2
<LE>
1.0 <LE> x 2
C117, C118
TM100
L2
N200500K
C104
0.033
<YE>
C105
0.033
<YE>
C106
1.0 <LE>
C102
0.033
<YE>
C103
0.033
<YE>
L1
RCV2515-010PF05
C101
1.0 <LE>
VA101
470V
<TNR>
VA102
470V
<TNR>
SA100
RA-302M
VA103
470V
<TNR>
R60 1.0K
<1/10W>
(1%)
CT1
CT-1B
D60
DAN217U
C64
0.1
<F>
VR1
B2K
R68 22K
<1/10W>
12V
T1
JPZ-200
15V
1
2
3
6
7
8
9
10
12
13
15
16
1
2
3
I
O
G
C35 C36
0.01 <F> x 2
5V
10K
<1/10W>
x 2
R407
R403
I C401
PS2561L-1-V
18V
18V
1
2
3
4
3
4
2
1
I C401
PS2561L-1-V
15V
15V
R115 1.0K
<1/10W>
5V
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
EZ-0037HUE-C
Model : AOY24LMAM2
OUTDOOR PCB CIRCUIT DIAGRAM
8
2005.07.14 ERROR CONTENTS
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.
1. INDOOR UNIT
CHECK ITEMS
Operation can be checked by lighting and flashing of the grille
display section OPERATION and TIMER lamps.
Perform judgment in accordance with the following.
INDOOR UNIT
Error display
OPERATION
lamp
TIMER
lamp
SWING
lamp
Error contents
Indoor unit
Model information abnormal
(permanent type)
Indoor unit
Drain abnormal (permanent type)
Indoor fan abnormal
Room air temperature thermistor
open circuit
Room air temperature thermistor
short circuit
Indoor unit
Piping thermistor open circuit
Indoor unit
Piping thermistor short circuit
Blinks
Blinks
Goes off
Pulses
4 times
Blinks
Goes off
Pulses
6 times
Blinks
Goes off
Goes off
Pulses
2 times
Blinks
Blinks
Goes off
Pulses
3 times
Blinks
Blinks
Outdoor unit circuit board error or
miswiring between outdoor unit
and indoor unit
Outdoor unit discharge temperature
sensor error
Outdoor unit piping sensor error
Outdoor unit
outdoor unit temperature sensor
error
Pulses
5 times
Blinks
Goes off
Blinks
Pulses
5 times
Goes off
Blinks
Pulses
3 times
Goes off
Goes off
Blinks
Pulses
4 times
(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?
SWING
TIMER OPERATION
MANUAL
AUTO
SWING LAMP
(Orange)
TIMER LAMP
(Green)
OPERATION LAMP
(Red)
9
2005.07.19 DISASSEMBLY ILLUSTRATION
INDOOR UNITS
Models : AUY12LBAB, AUY14LBAB
411
235
474
462
464
484
495
67
338
465
478
138
146
395
411
479
797
470
127
484
798
835
836
482
196
160
430
234
301
488
457
399
475
469
468
240
743
834
187
467
244
465
287
313
476-3
117-3
476-2
476-1
652-1
184-1
965
964
164
990
411
10
2005.07.19 34
629
514
875
236
815
628
381
628
381
381
223
287
185
989-1
989-2
824-3
381
AUY14LBAB
Models : AUY12LBAB
11
2005.07.19 Model : UTG-UDYD-W
417
416
416
392
690
691
694
165
226
692
692
763
705
385
705
690
700
392
692
690
691
777
776
776
758
710
93
690
196
417
691
876-2
711-2
711-1
12
2005.07.19 Model : AOY24LMAM2
13
2005.08.18 14
2005.07.14
31
85
13-2
13-1
13-2
13-3
45-1
45-4
45-3
45-2
29
16
12
41
33
Model : AOY24LMAM2 15
2005.07.14
273
260
349
335
361
346
109
334
344
343
348
46
108
Model : AOY24LMAM2 16
2005.07.14
Model : AOY24LMAM2
346
345
26-1
26-2 34
Capacitor (Fan Motor)
9704305046
67
Rubber
9361279001
117-3
Special Washer M6
313306391007
127
Drain Hose
9359659013
138
Separate Wall-A
9359647003
146
Evaporator Assy-IN
9373214014
160
Drain Pan
9359651000
164
Fan Motor Assy-IN
9601040064
184-1
Thermo. Spring-A
313728262708
185
Rubber Bushing
313005066051
187
Clamp No. 1219
313361271706
196
Clamp SKB-150
313035356905
223
Control Box
9359661016
234
Thermistor Assy-Room
9703299032
235
Thermistor Assy-Pipe
9703297014
236
Controller PCB Assy
9704557933
240
Remote Control Unit
9371190037
244
Pipe Cover
9359646006
287
Cap (Power)
9352173011
301
Clamp NK-2N
313985355201
313
Hooking Wire
9359983002
338
Motor Fixture
9359656005
381
Locking Spacer
313209391506
395
Supporter (Eva. )
9373179016
399
Air Duct
9359660002
411
9359655008
430
Clamp NK-7N
313095365602
457
Drain Pan Support
9359652007
462
Top Cover Plate
9359642015
464
9359643005
465
9359645009
467
Drain Port
313005415658
468
Special Nut-A (Large)
313005446653
469
Special Nut-B (Small)
313005446759
470
Separate Wall-B
9359648000
474
Turbo Fan
9359658009
475
Turbo Fan Rubber
9366013006
476-1
Special Nut M8
313005360755
476-2
Special Washer
301801185049
476-3
Special Washer
9359954002
478
Sensor M. Bracket
9359654001
479
Float Switch
313005416154
482
Pump Unit
9359974000
484
Hanger Metal
9359644002
488
Drain Pan Plug
9359653004
495
Clamp No. 2U46
9352715006
514
Control Box Cover
9359662006
628
Locking Spacer-B
313005446558
629
EMI Filter
0400197119
652-1
Therm. Holder Pipe
313806262805
743
Remote Control Holder Case
9305642014
797
Separate Wall-C
9359649007
798
Pump Hook Bracket
9359650003
815
Terminal-3P
9900203016
824-3
Fuse
0600222512
834
Wire Cover
9359878001
835
Cushion-A (For Pump)
9352211003
836
Cushi