SPLIT TYPE ROOM

AIR CONDITIONER
WALL MOUNTED type

Models
Indoor unit Outdoor unit
ASY9USCCW AOY9USCC
ASY9USCCW AOY9UFCC
ASY12USCCW AOY12USCC

CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . 4
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . 5
INDOOR PCB CIRCUIT DIAGRAM . . . . . 7
ERROR CONTENTS . . . . . . . . . . . . . . . . 8
DISASSEMBLY ILLUSTRATION . . . . . . . 9
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . 14
STANDARD ACCESSORIES . . . . . . . . .16

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 SPECIFICATIONS

TYPE COOLING & HEATING

INDOOR UNIT ASY9USCCW ASY12USCCW
OUTDOOR UNIT AOY9USCC, AOY9UFCC AOY12USCC
COOLING CAPACITY 2.60 kW 3.25 kW
HEATING CAPACITY 2.95 kW 3.95 kW

ELECTRICAL DATA
POWER SOURCE 230V 50Hz 230V 50Hz
COOL 4.8 5.9
RUNNING CURRENT (A)
HEAT 4.1 5.6
COOL 1.07 1.35
INPUT WATTS (kW)
HEAT 0.90 1.28
COOL 2.43 2.41
E.E.R. (kW/kW)
HEAT 3.28 3.09

MOISTURE REMOVAL ( /h ) 1.3 1.8

AIR CIRCULATION HIGH 3

(m /hr) COOL 540 HEAT 515 COOL 535 HEAT 545

COMPRESSOR
TYPE Hermetic type, Permanet split condenser,
2 pole, Single phase, Induction motor, Rotary

DISCRIMINATION 802-141-45B 802-361-35B

POWER SOURCE 220, 230, 240V / 50Hz 220, 230, 240V / 50Hz
REFRIGERANT R410A 650 g 750 g
Pipe length 7.5 m 650 g 750 g
REFRIGERANT CHARGE 10 m 700 g 800 g
15 m 800 g 900 g
ADDITIONAL REFRIGERANT 20 g/m 20 g/m

FAN MOTOR
POWER SUPPLY 230 V 230 V
HI-SPEED COOL 1310 HEAT 1250 COOL 1310 HEAT 1330
MED-SPEED COOL 1170 HEAT 1140 COOL 1200 HEAT 1210
INDOOR UNIT
LO-SPEED COOL 1030 HEAT 1020 COOL 1090 HEAT 1090
(r.p.m.) QUIET COOL 900 HEAT 900 COOL 980 HEAT 980
OUTDOOR UNIT (r.p.m.) 800 770

DIMENSIONS
INDOOR UNIT HxWxD 257 x 808 x 187 mm 257 x 808 x 187 mm
OUTDOOR UNIT HxWxD 535 x 650 x 250 mm 535 x 695 x 250 mm

WEIGHT
INDOOR UNIT GROSS / NET 10 kg / 8 kg 10 kg / 8 kg
OUTDOOR UNIT GROSS / NET 29 kg / 26 kg 34 kg / 31 kg

NOISE LEVEL
HI-SPEED COOL 40 HEAT 38 COOL 40 HEAT 40
MED-SPEED COOL 38 HEAT 36 COOL 38 HEAT 38
INDOOR UNIT
LO-SPEED COOL 35 HEAT 34 COOL 36 HEAT 35
(dB) SUPER QUIET COOL 30 HEAT 28 COOL 33 HEAT 32
OUTDOOR UNIT (dB) COOL 46 HEAT 46 COOL 48 HEAT 48

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 DIMENSIONS

INDOOR UNIT

Unit : mm

808 187
257

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 OUTDOOR UNIT
Unit : mm

Model : AOY9USCC
AOY9UFCC

250
650

535
440
Model : AOY12USCC Drain pipe hold O20
54

265

500 98

695 250
535

290
13

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 REFRIGERANT SYSTEM DIAGRAM

Models : ASY9USCCW / AOY9USCC

ASY9USCCW / AOY9UFCC

INDOOR UNIT OUTDOOR UNIT

Capillary tube
Dryer or Strainer for heating and cooling
Refrigerant pipe

6.35mm(1/4")
2-Way
valve
Compressor

Evaporator
Condenser

4-Way valve

Refrigerant pipe

9.52mm(3/8")
3-Way
Charging valve valve

Models : ASY12USCCW / AOY12USCC

INDOOR UNIT OUTDOOR UNIT

Capillary tube Capillary tube

for heating for heating and cooling
Refrigerant pipe Dryer

6.35mm(1/4")
2-Way Check valve
valve
Compressor

Evaporator
Condenser
4-Way
valve

Refrigerant pipe

9.52mm(3/8")

Charging valve 3-Way

valve

Cooling
Heating
: Flare coupling

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 CIRCUIT DIAGRAM

INDOOR UNIT

Thermistor
(Room Temp.)

Thermistor
(Pipe Temp.)

Stepping Motor
Display PCB

Controller PCB

Fan Motor

Fan Motor
Capacitor
Power Supply PCB

Transformer

Terminal

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 Models : AOY9USCC
AOY12USCC

WHITE FAN MOTOR

TERMINAL CAPACITOR
DARK GRAY
WHITE
N WHITE
R

RED

ORANGE
COMPRESSOR
L CAPACITOR C M COMPRESSOR
S FM
C FAN MOTOR

BLUE
3
RED
OVERLOAD
4 BLUE RELAY S V FOUR WAY
VALVE COIL
DARK GRAY

BLACK

Model : AOY9UFCC

WHITE FAN MOTOR

TERMINAL DARK GRAY CAPACITOR
WHITE
N WHITE
R
RED

ORANGE
COMPRESSOR
L CAPACITOR C M COMPRESSOR
S FM
C FAN MOTOR
3
RED

4 BLACK
S V FOUR WAY
VALVE COIL
DARK GRAY

BLACK

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 Jumper wire configurations
INDOOR PCB CIRCUIT DIAGRAM
Switch Function ON/Linked OFF/Open
JP1 Heating compensation +4 +2
JP2 Cooling compensation 0 -2
POWER TRANSFORMER
EZ-030HSE-T JP3 Auto restart enable disable
FAN CAPACITOR
JP4 Custom code A B
THERMAL FUSE

PRIMARY SECONDARY 7.0uF

ORANGE

ORANGE

CONTROLLER PCB ASSY (MAIN PCB)

PURPLE

PURPLE

ASY9USCCW : K02DE-0400HSE-C1
GRAY

GRAY
RED

RED

UL1015 AWG20

UL1015 AWG20

ASY12USCCW : K02DE-0401HSE-C1
CN103 B2B-XASK-1-A
CN102-3
CN102-1

CN104-1

CN103-1

CN103-2
CN104-2

CN104 B2B-XH-AM
CN102 B2P3-VH-B

POWER SUPPLY PCB 5V

IC1 MANUAL AUTO
K04AQ-0400HSE-P0 uPD780024ASGB R29 SWITCH
12V BZ1 -X22-8ET-A R30 1.0K 10K
PKM13EPY-4000 <1/10W> SW1
W105 W106 P57 8
<1/10W>
44 P75
BZ 3 1
5V 5V 2 5V
FAN MOTOR Q2 R28 10K
CN101-1 CN7-1 CN8 S3P-VH R14 10K DTC124EUA <1/10W>
BLACK RED R1 <1/10W> C27
CN101-3 CN7-2
10K 5 0.1
<1/10W> 2
R103 100 C111
YELLOW
FM WHITE
C1
R2 1.0K <1/10W>
C2
37 P02 RESET 28 RESET
4 1
<F>
CN101-5 CN7-3 I C3
<1/2W> 0.1 5V 0.1 C25 3
C104 WHITE BLACK 0.1 BD1742G
0.1 <F> <F> 0.1 5V
R25 390 CN2 150-103-86176 ROOM TEMPERATURE THERMISTOR
CN101 B3P5-VH-B R3, R34, R5, R35 <F>
<1/10W>
ROOM TEMPERATURE CORRECTION-1 JP1 10K <1/10W> x 4 P11 24 CN2-1 BLACK
VA102 14 P20
C22
( HEATING OPERATION ) R27 10K
UL1015 AWG22

JZC-43F/012-HS

L101 470V JP2 15 P21 0.1

ROOM TEMPERATURE CORRECTION-2 <1/10W> CN2-2 BLACK
SS11V-10062 ( HEATING OPERATION ) JP3 16 P22 <F> R24 390 (1%) PIPE TEMPERATURE THERMISTOR
GREEN

W101 SSR103 AUTO RESTART JP4 43 P23 <1/10W>

PR3BMF11YSZ REMOTE CONTROL UNIT P10 25 CN3-1 GRAY
E GREEN 12V
CUSTOM CODE C21
K101

C102 C101 0.1 R26 49.9K CN3-2 GRAY

R104 <1/10W>
4700P 4700P <F>
(1%) CN3 150-503-96077
12V 27 AVDD
12V
10 VDD0
CN105-1
5V CN6-1 20 VDD1
12V I C101
BLUE
XT2 29
R102 1.0K D103 26 AVREF
D105 - D108 7805 CN105-2
<1/2W> 1SR139 23 P12 P25 19
1N4007 I O WHITE CN6-2 5V
CR101 G
C7
22 P13
C105 Q101
120/0.2 + + C108 + 30 XT1
2200 KSD880 10/
C106 0.1 R20 - R23
R101 /35V +C109 D104 25V CN1 B5P-SHF-1AA
<F> CN105-3 10K <1/10W> x 4
10K 10/50V MTZJ15B WHITE CN6-3 9 VSS0 P36 13 CN1-1
<1/2W> 34 VSS1 P03 38 CN1-2
Q1 21 AVSS
P35 12 CN1-3 CHECKER
C103 DTC124EUA
P34 11 CN1-4
0.1 3 1 4 P53
CN105-4 5V CN1-5
WHITE CN6-4 2
Q3 R8
CN105-5
R6 1.0K 10K
WHITE CN6-5
<1/8W> 1
DTC124EUA
3
<1/10W>
36 P01
INDICATOR PCB
VA101 D102
470V 1SR139 CN105-6 2 K04AQ-0400HSE-D0
WHITE CN6-6 C9 5V
C8 R7 4.7K R19 5V CN4 B6B-PH-K-S R201 47 X201
0.01
12V 0.1 <1/8W> 10K R8 47 CN4-1 1 <1/4W> GP1UM261RK
<R> RED
12V <F> <1/10W> <1/10W> + VCC
P00 35 CN4-2 WHITE 2 DATA

C110 11 6 I C4-6 uLN2003 1 P50 C16 CN4-3 WHITE 3 GND

4700P 1000P C202 C201
CN105-7 5V
SSR102 I C4-5 uLN2003 <R>
FH102 VA103 S202TY2 K 101 WHITE CN6-7 12 5 2 P51 0.1
<F>
47/
10V
470V CN105-8
R105 I C4-7 uLN2003
F101 WHITE CN6-8 10 7 3 P52
P56 7 R17 330 <1/10W> CN4-4 WHITE 4 OPERATE(RED) D201 SLR-325<VC>
T 3.15A - 250V R33 10K 5V
UL1061 AWG26 x 8 I C2 P55 6 R16 330 <1/10W> CN4-5 WHITE 5 TIMER(GRN) D202 SLR-325<MC>
CN105 CN6 5V <1/10W>
BR93LC46 P54 5 R15 330 <1/10W> CN4-6 6 D203 SLR-325<DC>
FH101 PHR-8 B8B-PH-K-S WHITE SWING(ORG)
8 VCC CS 1 42 P73
C11 4 DO SK 2 41 P72
UL1061 AWG26 x 6 CN201
0.1 6 TEST DI 3 40 P71
W103 W104 W102 <F> 5 GND NC 7 39 P70
BLACK RED BLUE P47 52
EEPROM 5V
P46 51
P45 50 12V
BROWN
12V R12
P44 49
10K
3 2
<1/10W> CN5 53325-0510
17 P23 12V
CN5-6 RED
18 P24 9
UL1015 AWG14 WHITE
4 1 P43 48 1 16 I C4-1 uLN2003 CN5-7 ORANGE
31 I C
K103
G4A-1A-E-PS
P42 47 2 15 I C4-2 uLN2003 CN5-8 YELLOW
M LOUVER
P41 46 3 14 I C4-3 uLN2003 CN5-9 PINK
BROWN
BLACK

P40 45 I C4-4 uLN2003

BLUE

4 13 CN5-10 BLUE
RED

X1 X2
8
UL1061 AWG25 x 5
33 32
X1
UL1015 AWG22

UL1015 AWG22

UL1015 AWG22

UL1015 AWG22

CST8.38MHz
UL1015 AWG22 BLUE 2

L1

POWER SOURCE
TERMINAL BOARD N L 3 4 220V / 240V
50Hz
EARTH
GREEN / YELLOW

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 ERROR DISPLAY

Large division indication Small division indication

LED flashing LED flashing

Error contents Error contents
operation timer operation timer
thermistor 0.5 second room temp. thermistor error
0.1 second
0.5 second 0.1 second 2 times
2 times 0.5 second
0.1 second heat exchanger thermistor error
3 times
control unit 0.5 second MANUAL AUTO button error
0.1 second
0.5 second 0.1 second (indoor unit ) 2 times
4 times 0.5 second
0.1 second power source Hz decision error
4 times
fan motor 0.5 second lock error
0.1 second
0.5 second 0.1 second (indoor unit) 2 times
6 times 0.5 seond
0.1 second r.p.m. error
3 times
0.1 second 0.1 second model distinction error

Indication :
When an error happens, first indication is "Large division indication".
Indication is switched by pushing TEST OPERATION button between "Large" and "Small".

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 DISASSEMBLY ILLUSTRATION

Models : ASY9USCCW
ASY12USCCW

777

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 Models : ASY9USCCW
ASY12USCCW

385

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10
 Model : AOY9USCC

999

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 Model : AOY9UFCC

999

412

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 Model : AOY12USCC

999
986

985

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 PARTS LIST

INDOOR UNIT
Part No.
Ref.
Description
No. ASY9USCCW ASY12USCCW
34 Capacitor (Fan Motor) 9900089061 9900089061
63 Panel (Front) Total Assy 9312417032 9312417063
65 Flow Control Panel-Z 9306058012 9306058012
69 Louver-A 9306055028 9306055028
74 Filter 9305444014 9305444014
108 Base 9309755062 9309755062
109 Casing 9306052027 9306052027
122 Shaft Holder -B 9303066010 9303066010
127 Drain Hose Assy 9305550029 9305550029
146 Evaporator Assy 9330144019 9330144019

151 Control Box 9330007017 9330007017

158 Connecting Pipe Assy 9306416010 9306416010
164 Fan Motor Assy-IN 9601171010 9601171010
169 Cross-Flow Fan Assy 9307836015 9307836015
178 Motor Cushion -M 9601302018 9601302018
184 Thermistor Sping 313728262708 313728262708
188 Power Cord Assy 9702595043 9702595043
196 Clamp SKB-150 313035356905 313035356905
233 Power Transformer 9900028015 9900028015
235 Thermistor Assy -Pipe 9702039059 9702039059

236 Controller PCB Assy 9706046015 9706046022

(K02DE-0400HSE-C1) (K02DE-0401HSE-C1)
240 Remote Control Unit 9312058020 9312058020
281 Clamp Metal (Pipe) 9306063009 9306063009
283 Bushing-A 9303529010 9303529010
323 Louver-B 9306056025 9306056025
385 PCB (Power and Indicator) 9706039017 9706039017
401 Wall Hook Bracket 9304358008 9304358008
440 Flow Control Panel-U 9306057015 9306057015
466 Clamp NK-4N 313714328805 313714328805
522-1 Gear-A 9306062002 9306062002

523 Gear Bracket 9306407001 9306407001

652-1 Thermistor Holder Pipe 313714262805 313714262805
668 Screw w/Washer 313681304205 313681304205
759 Intake Grill -A 9330001015 9330001015
764 Drain Cap Assy 9304150008 9304150008
767-1 Bottom Cover -A 9330004016 9330004016
777 Clamper (Grille) 9306755010 9306755010
815 Terminal 9900040048 9900040048
850 Window (Receiver 9330003019 9330003019
872 Indicator Case 9330009011 9330009011

873 Lamp Cover 9330014015 9330014015

874 Control Box Cover 9330008014 9330008014
876 Step Motor 9900139018 9900139018
877 Face Panel (Front)-A 9330005044 9330005044

When you order parts, please make a photocopy of this page

and fill the number of the parts in the "Order" column.
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 OUTDOOR UNIT
Ref. Part No. Ref. Part No.
Description Description
No. AOY9USCC AOY9UFCC No. AOY12USCC
4 Emblem-Rear 9308468017 9308468017 4 Emblem-Rear 9308468017
5 Cabinet Front Panel, Plastic 9306016012 9306016012 5 Cabinet Front Panel, Plastic 9306386016
7 Connector Cover 9306018016 9306018016 7 Connector Cover 9306119010
9 Cabinet Rear Panel, Plastic 9306017019 9306017019 9 Cabinet Rear Panel, Plastic 9306385019
12 Base Assy, Painted 9304806042 9304806042 12 Base Assy, Painted 9306118020
13 3-Way Valve 9312863013 9312863013 13 3-Way Valve 9312865017
14 2-Way Valve 9312862016 9312862016 14 2-Way Valve 9312864010
16 Condenser Assy 9309104020 9309104020 16 Condenser Assy 9308459039

32 Control Box Metal 9306475024 9306475024 32 Control Box Metal 9308561022

34 Capacitor (Fan Motor) 9900089023 9900089023 34 Capacitor (Fan Motor) 9900089030
37 Capacitor (Running) 9307588068 9307588013 37 Capacitor (Running) 9307588013
38 Clamp Metal (Capacitor) 313468061808 313468061808 38 Clamp Metal (Capacitor) 313468061808
39 Propeller Fan 9306565015 9306565015 39 Propeller Fan 9305538003
41 Fan Motor Assy-Out 9307095016 9307095016 41 Fan Motor Assy-Out 9307715020
42 Bracket (Motor) 9306021016 9306021016 42 Bracket (Motor) 9305536016
46 Compressor Assy 9311012016 9314429019 46 Compressor Assy 9311133018

48 Fan Ring 9306019020 9306019020 51 Special Nut M5 9307091001

62 Wire Assy (Shield)-A 9305791026 9305695027 55 Special Nut M6 313252257701
138 Separate Wall Metal 9306474003 9306474003 98 Fan Ring 9305581023
195 Clamp SKB-100 313361275805 313361275805 109 Terminal Cover 9307090004
196-2 Clamp SKB-3MC 9305335008 9305335008 138 Separate Wall Metal 9305971008
230 Overload Relay 9311143000 ----- 187 Clamp No.1219 313361271706
343 Solenoid Coil 9970003011 9970003011 195 Clamp SKB-100 313361275805
344 4-Way Valve 9900162016 9900162016 196 Clamp SKB-150 313035356905

365 Bracket (Valve) 9306020026 9306020026 196-2 Clamp SKB-3MC 9305335008

412 Terminal Gasket (For Comp.) 9351505011 9314432002 230 Overload Relay 9312899005
674 Screw, SUS410T +5014 9305848010 9305848010 343 Solenoid Coil 9970003011
688 Screw w/Washer 313681304205 313681304205 344 4-Way Valve 9900162016
765 Drain Pipe (L-type) 9301102000 9301102000 365 Bracket (Valve) 9306748012
766 Drain Pipe Packing 9301143003 9301143003 412 Terminal Gasket (For Comp.) 9351121006
781 Rubber Cushion 9312680016 9312680016 674 Screw, SUS410T +5014 9305848010
815 Terminal-4P 9306488017 9306488017 688 Screw w/Washer 313681304205

935 Reinforcement Plate 9306473006 9306473006 765 Drain Pipe (L-type) 9301102000
942 Control Box Cover Metal 9306476007 9306476007 766 Drain Pipe Packing 9301143003
942-2 Control Box Cover-B Metal 9305975006 9305975006 815 Terminal-4P 9306488017
982 Cord Clamp, Plastic 9302271002 9302271002 916 Noise Insulation -A 9306362003
985 Special Nut w/Washer 9304902003 9304902003 935-1 Reinforcement(Cabinet TOP) 9305973002
986 Special Washer 9304903000 9304903000 935-2 Reinforcement -F (Cabinet Top) 9306123000
999 Capillary Assy 9312868001 9312868001 942-1 Control Box Cover-A Metal 9308562012
A Screw (with Inner Washer) 9357297002 9357297002 942-2 Control Box Cover-B Metal 9305975006
---- BR Sheet 180x180x T2 9305039067 9305039067
946 Inlet Pipe 9306401009
982 Cord Clamp, Plastic 9302271002
999 Capillary Assy 9312873005
A Screw (with Inner Washer) 9357297002
B Screw (with Spring Washer) 0700179013
---- BR Sheet 60x100x T5 9305039012
---- BR Sheet 40x80x T5 9305039043
---- BR Sheet 180x180x T2 9305039067

When you order parts, please make a photocopy of this page

2006.01.23 15 and fill the number of the parts in the "Order" column.
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 STANDARD
ACCESSORIES

Name and Shape Part No.

Wall hook bracket

9304358008

Remote control
unit
9312058020

Battery (penlight)

0600185534

Tapping screw
(O 4 x 25 )
0700076046

Cloth tape
9308117007

Drain pipe
(Including drain packing)

9303029015

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 0309G2374
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