Fujitsu ASH9USCCW, AOH9USCC, AOH9UFCC, ASH12USCCW, AOH12USCC Service Manual

SPLIT TYPE
ROOM AIR CONDITIONER

WALL MOUNTED type

Models

Indoor unit Outdoor unit

ASH9USCCW AOH9USCC

ASH9USCCW AOH9UFCC

ASH12USCCW AOH12USCC

CONTENTS

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . .

REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . .

CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . .

DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . .

PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

4

5

7

ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

14

STANDARD ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . 16

9

2

SPECIFICATIONS

TYPE COOLING & HEATING

INDOOR UNIT

OUTDOOR UNIT

COOLING CAPACITY

( kW )

HEATING CAPACITY

( kW )

COMPRESSOR

DIMENSIONS

TYPE

DISCRIMINATION

POWER SOURCE

REFRIGERANT

REFRIGERANT CHARGE

ADDITIONAL REFRIGERANT

R410A

Pipe length

(g)

(g)

7.5 m

10 m

15 m

(g / m)

(V)

Hermetic type, Permanet split condenser,

2 pole, Single phase, Induction motor, Rotary

HI-SPEED

INDOOR UNIT

POWER SUPPLY

MED-SPEED

LO-SPEED

QUIET

(r.p.m.)

OUTDOOR UNIT (r.p.m.)

INDOOR UNIT H x W x D (mm)

H x W x D (mm)OUTDOOR UNIT

FAN MOTOR

WEIGHT

INDOOR UNIT GROSS / NET

HI-SPEED

MED-SPEED

LO-SPEED

SUPER QUIET

(kg)

GROSS / NET (kg)

(dB)

OUTDOOR UNIT

INDOOR UNIT

NOISE LEVEL

POWER SOURCE

RUNNING CURRENT (A)

COOL

HEAT

INPUT WATTS (kW)

COOL

HEAT

E.E.R. (kW/kW)

COOL

HEAT

MOISTURE REMOVAL

AIR CIRCULATION-Hi

ELECTRICAL DATA

(m /hr)

3

AOH12USCC

ASH12USCCW

3.95

3.25

230V 50Hz

5.9

5.6

1.35

1.28

2.41

3.09

1.8

COOL 535 HEAT 545

802-361-35B

750

COOL 40 HEAT 40

COOL 38 HEAT 38

COOL 36 HEAT 35

COOL 33 HEAT 32

COOL 1310 HEAT 1330

COOL 1200 HEAT 1210

COOL 1090 HEAT 1090

COOL 980 HEAT 980

770

230

257 x 808 x 187

535 x 695 x 250

10 / 8

34 / 31

COOL 48 HEAT 48

ASH9USCCW

AOH9USCC AOH9UFCC

2.95

2.60

230V 50Hz

4.8

4.1

1.07

0.90

2.43

3.28

1.3

COOL 540 HEAT 515

802-141-45B PA118X1C-4DZ

220, 230, 240V / 50Hz

220, 230, 240V / 50Hz

650

2020

900800

800700

750650

COOL 1310 HEAT 1250

COOL 1170 HEAT 1140

COOL 1030 HEAT 1020

800

COOL 40 HEAT 38

COOL 38 HEAT 36

COOL 35 HEAT 34

COOL 30 HEAT 28

COOL 900 HEAT 900

230

257 x 808 x 187

535 x 650 x 250

257 x 808 x 187

535 x 650 x 250

10 / 8 10 / 8

29 / 26

COOL 46 HEAT 46

2.95

2.60

230V 50Hz

4.8

4.1

1.07

0.90

2.43

3.28

1.3

COOL 540 HEAT 515

220, 230, 240V / 50Hz

650

20

800

700

650

COOL 1310 HEAT 1250

COOL 1170 HEAT 1140

COOL 1030 HEAT 1020

800

COOL 40 HEAT 38

COOL 38 HEAT 36

COOL 35 HEAT 34

COOL 30 HEAT 28

COOL 900 HEAT 900

230

29 / 26

COOL 46 HEAT 46

OUTDOOR UNIT (dB)

/h )(

12005.03.03

Models : ASH9USCCW

22005.02.18

257

808

187

Unit : mm

INDOOR UNIT

DIMENSIONS

ASH12USCCW

695 250

500

Drain pipe hold 20

440

290

265

54

535

13

98

Unit : mm

O

OUTDOOR UNIT

250

650

535

Model : AOY9USCC

AOY9UFCC

Model : AOY12USCC

32004.11.30

REFRIGERANT SYSTEM DIAGRAM

Models : ASY9USCCW / AOY9USCC

ASY9USCCW / AOY9UFCC

Models : ASY12USCCW / AOY12USCC

9.52mm(3/8")

Cooling

Heating

: Flare coupling

Compressor

Capillary tube
for heating

Capillary tube
for heating and cooling

OUTDOOR UNIT

INDOOR UNIT

Condenser

9.52mm(3/8")

Refrigerant pipe

Refrigerant pipe

6.35mm(1/4")

Charging valve

3-Way
valve

4-Way
valve

2-Way
valve

Dryer or Strainer

Dryer

Compressor

Check valve

Check valve

Capillary tube
for heating and cooling

OUTDOOR UNIT

INDOOR UNIT

Condenser

Evaporator

Refrigerant pipe

Refrigerant pipe

Charging valve

2-Way
valve

3-Way
valve

4-Way
valve

Evaporator

6.35mm(1/4")

42004.11.30

1

1
2

1
2

6
5
4
3
2

10

9
8
7
6

10

9
8
7
6

1

6
5
4

1
2
3

1
2
3

3
2
1

6
5
4
3
2
1

2 3 4 5

1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

5
4
3
2
1

5
4
3
2
1

3
2
1

3
2
1

212

1

212

1

Thermal Fuse
103

Thermal Fuse

NNLL3 4

Relay

3

4

CIRCUIT DIAGRAM

Models : ASY9USCCW

ASY12USCCW

Thermistor
(Room Temp.)

Thermistor
(Pipe Temp.)

Controller PCB

Display PCB

Terminal

Fan Motor
Capacitor

Stepping Motor

Transformer

Fan Motor

Power Supply PCB

52005.02.18

Model : AOY9UFCC

Models : AOY9USCC

AOY12USCC

62005.01.07

TERMINAL

N

L

3

4

COMPRESSOR
CAPACITOR

COMPRESSOR

FAN MOTOR

FAN MOTOR
CAPACITOR

FOUR WAY
VALVE COIL

OVERLOAD
RELAY

WHITE

BLUE

BLACK

BLUE

RED

RED

ORANGE

WHITE

WHITE

DARK GRAY

DARK GRAY

S

R

C

C M

F M

S V

TERMINAL

N

L

3

4

COMPRESSOR
CAPACITOR

COMPRESSOR

FAN MOTOR

FAN MOTOR
CAPACITOR

FOUR WAY
VALVE COIL

WHITE

BLACK

BLACK

RED

RED

ORANGE

WHITE

WHITE

DARK GRAY

DARK GRAY

S

R

C

C M

F M

S V

5V

5V

SW1

MANUAL AUTO
SWITH

R29 10K
<1/10W>

5V

C27

0.1
<F>

R27
10K
<1/10W>
(1%)

R26

49.9K
<1/10W>
(1%)

CN2 150-103-86176

CN3 150-503-96077

ROOM TEMPERATURE THERMISTOR

PIPE TEMPERATURE THERMISTOR

CN2-1 BLACK

CN2-2 BLACK

CN3-2 GRAY

CN3-1 GRAY

5

2
1

3

4

R28 10K
<1/10W>

RESET

IC3
BD4742G

R201
47 <1/4W>

+

OPERATE
RED
TIMER
GREEN
SWING
ORANGE

WHITE

WHITE

WHITE

WHITE

WHITE

RED

INDICATOR PCB

CHECKER

5V

LOUVER

RED

ORANGE

YELLOW

PINK

BLUE

RED

WHITE

CN7-1

CN7-3

CN7-2

BLACK

FAN MOTOR

CN101-1

CN101-5

CN101-3

BLACK

YELLOW

WHITE

ORANGE

ORANGE

FAN CAPACITOR

POWER TRANSFORMER

PRAIMARY

SECONDARY

PURPLE

RED

RED

PURPLE

THERMAL FUSE

THERMAL FUSE

GRAY

GRAY

POWER SUPPLY PCB

GREEN

BLUE

WHITE

BLACK

RED

BLUE

BROWN

TO EARTH TERMINAL
GREEN / YELLOW

TERMINAL BOARD

POWER SOURCE
220 / 240V
50Hz

OUTDOOR UNIT

BROWN

WHITE

UL1061 AWG26 x 8

CN6-8

CN6-5

CN6-4

CN6-2

CN6-3

CN6-1

CN6-6

CN6-7

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

BLUE

12V

12V

12V

5V

12V

REMOTE CONTROL
CUSTOM CODE

AUTO RESTART

HEATING TEMPERATURE
CORRECTION 2

HEATING TEMPERATURE
CORRECTION 1

CONTROLLER PCB ASSEMBLY (MAIN PCB)
EZ-002YHSE-C (F)

uPD780024-X06-8ET

I C 1

12V

5V

5V

7

INDOOR PCB CIRCUIT DIAGRAM

2004.11.30

Jumper wire configurations

Switch Function ON/Linked OFF/Open

JP1 Heating compensation +4 +2
JP2 Cooling compensation 0 -2
JP3 Auto restart enable disable
JP4 Custom code A B

ERROR DISPLAY

operation

timer

Error contents

Error contents

thermistor

0.5 second
2 times

room temp. thermistor error

0.5 second
2 times

heat exchanger thermistor error

0.5 second
3 times

control unit

0.5 second
4 times

MANUAL AUTO button error

(indoor unit )

0.5 second
2 times

power source Hz decision error

0.5 second
4 times

fan motor

0.5 second
6 times

0.1 second

0.1 second

0.1 second

0.1 second

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

0.1 second

0.1 second

0.1 second

0.1 second

0.1 second

0.1 second

0.1 second

lock error

(indoor unit)

0.5 second
2 times

r.p.m. error

model distinction error

0.5 seond
3 times

LED flashing

operation

timer

LED flashing

Small division indicationLarge division indication

82005.02.18

Models : ASH9USCCW

ASH12USCCW

DISASSEMBLY ILLUSTRATION

92005.02.18

385

Models : ASY9USCCW

ASY12USCCW

102004.11.30

Model : AOY9USCC

112005.01.07

Model : AOY9UFCC

122005.01.07

412

985

986

Model : AOY12USCC

132004.11.30

When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.

INDOOR UNIT

PARTS LIST

Ref.

No.

Description

Ord.

Q'ty

34 Capacitor (Fan Motor) 9900089061 9900089061
63 9312172085 9312172115
65 Flow Control Panel-Z 9306058012 9306058012
69 9306055028 9306055028
74

Louver-A

Filter 9305444014 9305444014
108 9309755062 9309755062
109 9306052027 9306052027
122 9303066010 9303066010
127 Drain Hose Assy 9305550029 9305550029
146 9330144019 9330144019

151

Base

Casing

Shaft Holder -B

Evaporator Assy

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 9601302018 9601302018
184 313728262708 313728262708
188 Power Cord Assy 9702595043 9702595043
196 313035356905 313035356905
233 9900028015 9900028015
235

Motor Cushion -M

Thermistor Sping

Clamp SKB-150

Power Transformer

Thermistor Assy -Pipe 9702039059 9702039059

236 Controller PCB Assy 9704865038 9704865014
240 Remote Control Unit 9312058020 9312058020

Part No.

401 Wall Hook Bracket 9304358008 9304358008
440

Flow Control Panel-U 9306057015 9306057015
466 313714328805 313714328805
522-1

Clamp NK-4N

Gear-A 9306062002 9306062002

523

Gear Bracket 9306407001 9306407001
652-1 Thermistor Holder Pipe 313714262805 313714262805
668

313681304205 313681304205

759

9330002012 9330002012

764 Drain Cap Assy 9304150008 9304150008

777

9306755010 9306755010
815 9900040048 9900040048
850

9330003019 9330003019
872 9330009011 9330009011

873 9330014015 9330014015
874

Control Box Cover 9330008014 9330008014

876 Step Motor 9900139018 9900139018

ASH9USCCW ASH12USCCW

281

Clamp Metal (Pipe) 9306063009 9306063009
283 9303529010 9303529010
323

Bushing-A

Louver-B 9306056025 9306056025
385

PCB (Power and Indicator) 9704870018 9704870018

767-1

Screw w/Washer

Intake Grill -A

Terminal

Window (Receiver

Indicator Case

Lamp Cover

Bottom Cover -A 9330004016 9330004016

Clamper (Grille)

Panel (Front) Total Assy

877 Face Panel (Front)-A 9330005044 9330005044

142005.02.18

When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.

Q'ty

AOH9USCC AOH9UFCC

OUTDOOR UNIT

Ref.

No.

Description

Ord.

4 9308474018
5 Cabinet Front Panel, Plastic 9306016012
7

Emblem-Rear

Connector Cover 9306018016

9 Cabinet Rear Panel, Plastic 9306017019
12 Base Assy, Painted 9304806042
13 9312863013
14

3-Way Valve
2-Way Valve 9312862016

16 9309104020

32 Control Box Metal 9306475024
34 Capacitor (Fan Motor) 9900089023
37 9307588068
38 Clamp Metal (Capacitor) 313468061808
39

Condenser Assy

Capacitor (Running)

Propeller Fan 9306565015
41 Fan Motor Assy-Out 9307095016
42 9306021016
46 9311012016

62 Wire Assy (Shield)-A 9305791026

48

Bracket (Motor)

Compressor Assy

Fan Ring 9306019020

Part No.

365 9306020026
412 Terminal Gasket (For Comp.) 9351505011
674 Screw, SUS410T [phone]
688 Screw w/Washer 313681304205

Q'ty

Ref.

No.

Description

Ord.

Part No.

Bracket (Valve)

9308474018
9306016012
9306018016
9306017019
9304806042
9312863013
9312862016
9309104020

9306475024
9900089023
9307588013
313468061808
9306565015
9307095016
9306021016
9314429019

9305695027

9306019020

230 9311143000
343 9970003011
344 9900162016

Overload Relay

Solenoid Coil

4-Way Valve

----­9970003011
9900162016

9306020026
9314432002
9305848010
313681304205

9301102000
9301143003

765 Drain Pipe (L-type)
766 Drain Pipe Packing
781 9312680016
815 9306488017

Rubber Cushion
Terminal-4P

9301102000
9301143003
9312680016
9306488017

935 9306473006

Control Box Cover Metal

982 Cord Clamp, Plastic 9302271002

Reinforcement Plate

942-2 Control Box Cover-B Metal 9305975006

942 9306476007

9306473006

9302271002

9305975006

9306476007

138 Separate Wall Metal 9306474003
195 313361275805
196-2

Clamp SKB-100
Clamp SKB-3MC 9305335008

9306474003
313361275805
9305335008

985 Special Nut w/Washer 9304902003
986 Special Washer 9304903000

A Screw (with Inner Washer) 9357297002

BR Sheet 180x180x T2 9305039067

9304902003
9304903000
9357297002
9305039067----

AOH12USCC

4
5

Cabinet Front Panel, Plastic

7

Emblem-Rear

Connector Cover

9

Cabinet Rear Panel, Plastic

12

Base Assy, Painted
13
14

3-Way Valve

2-Way Valve
16

BR Sheet 60x100x T5 9305039012

BR Sheet 40x80x T5 9305039043

32

Control Box Metal
34

Capacitor (Fan Motor)
37
38

Clamp Metal (Capacitor)
39

Condenser Assy

Capacitor (Running)

Propeller Fan
41

Fan Motor Assy-Out
42
46

51

Special Nut M5
55

Special Nut M6

109
138

Separate Wall Metal

187

9308474018
9306386016
9306119010
9306385019
9306118020
9312865017
9312864010
9308459039

9308561022
9900089030
9307588013
313468061808
9305538003
9307715020
9305536016
9311133018

Bracket (Motor)

Compressor Assy

9307091001
313252257701

98

Fan Ring 9305581023

9307090004
9305971008
313361271706

196

313035356905

195

313361275805

230
343
344
365
412

Terminal Gasket (For Comp.)

674

Screw, SUS410T +5014

688

Screw w/Washer

765

Drain Pipe (L-type)

766

Drain Pipe Packing

815

Reinforcement(Cabinet TOP) 9305973002

916

942-1

Control Box Cover-A Metal

982

Cord Clamp, Plastic

Terminal-4P

Noise Insulation -A

A

Screw (with Inner Washer)

Screw (with Spring Washer)

B

9357297002
0700179013

9312899005
9970003011
9900162016
9306748012
9351121006
9305848010
313681304205

9301102000
9301143003
9306488017
9306362003

9308562012

942-2

Control Box Cover-B Metal 9305975006

946

Inlet Pipe 9306401009

9302271002

935-1

Reinforcement -F (Cabinet Top) 9306123000

935-2

196-2

Terminal Cover

Clamp No.1219

Clamp SKB-150

Clamp SKB-100

Overload Relay

Solenoid Coil

4-Way Valve

Bracket (Valve)

Clamp SKB-3MC 9305335008

BR Sheet 180x180x T2 9305039067

----

----

----

152005.02.18

Name and Shape Part No.

9304358008

9312058020

0600185534

9308117007

0700076046

9303029015

Remote control
unit

Battery (penlight)

Cloth tape

Drain pipe
(Including drain packing)

Tapping screw

Wall hook bracket

STANDARD
ACCESSORIES

( 4 x 25 )

O

162004.12.01

0309G2373