Fujitsu AOYS24LDL, ASYB24LDC, AOYS24LDC Service Manual

SPLIT TYPE
ROOM AIR CONDITIONER

WALL MOUNTED TYPE

Indoor unit Outdoor unit

ASYB24LDC AOYS24LDC

ASYB24LDC AOYS24LDL

CONTENTS

SPECIFICATIONS

DIMENSIONS

REFRIGERANT SYSTEM DIAGRAM

CIRCUIT DIAGRAM

ERROR CONTENTS

DISASSEMBLY ILLUSTRATION

PARTS LIST

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1

2

3

4

5INDOOR PCB CIRCUIT DIAGRAM

8OUTDOOR PCB CIRCUIT DIAGRAM

13

14

20

22ACCESSORIES

SPECIFICATIONS

INDOOR UNIT

ASYB24LDC

NOISE LEVEL

HIGH

Cool 49 dB / Heat 48 dB

OUTDOOR UNIT

COOLING CAPACITY

HEATING CAPACITY

ELECTRICAL DATA

POWER SOURCE

FREQUENCY

RUNNING
CURRENT

INPUT WATTS

E.E.R.

COP

MOISTURE REMOVAL

AIR CIRCULATION HIGH

COOLING

HEATING

COOLING

HEATING

COOLING

HEATING

COMPRESSOR

AOYS24LD_

7.10 kW

8.10 kW

230 V

50Hz

9.7 A

9.8 A

2.21 kW

2.24 kW

3.21 kW/kW

3.62 kW/kW

3.0 L/hr

1,170 m3/hr

INDOOR UNIT

MED

LOW

QUIET

OUTDOOR UNIT

Cool 43 dB / Heat 42 dB

Cool 38 dB / Heat 37 dB

Cool 33 dB / Heat 33 dB

Cool 52 dB / Heat 54 dB

REFRIGERANT CHARGE (R410A)

Pipe Length

FULL CHARGE

ADDITIONAL CHARGE

15 m

20 m

25 m

30 m

1,600 g

1,700 g

1,800 g

1,900 g

20 g / m

TYPE

DISCRIMINATION

REFRIGERANT R410A

FAN MOTOR

POWER SOURCE

HIGH

MED

INDOOR UNIT

LOW

QUIET

COOL

OUTDOOR UNIT

HEAT

DIMENSIONS

INDOOR UNIT H x W x D

H x W x DOUTDOOR UNIT

Hermetic type, 4 pole,

DC inverter motor, Scroll

5CS160XAA23

1,600 g

230 V

1,380 r.p.m.

1,170 r.p.m.

980 r.p.m.

860 r.p.m.

1,000 r.p.m.

1,050 r.p.m.

320 x 998 x 228 mm

578 x 790 x 315 mm

WEIGHT

INDOOR UNIT Gross / Net

OUTDOOR UNIT

Gross / Net

18 kg / 14 kg

48 kg / 44 kg

12006.10.18

OUTLINE AND DIMENSIONS

Unit : mm

INDOOR UNIT

320

OUTDOOR UNIT

998

508

48

347

20

540

125

228

320

66790

315

578

10

22006.06.26

REFRIGERANT SYSTEM DIAGRAM

3-Way valve

Muffler

Compressor

Heat exchanger

( INDOOR )

2-Way valve

4-Way valve

Strainer

Expansion valve

Sub-accumulator

Strainer

Cooling
Heating

Heat exchanger
( OUTDOOR )

Strainer

Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 5/8" (15.88 mm)

32006.10.05

CIRCUIT DIAGRAM

INDOOR UNIT

CONTROLLER PCB ASSY

5
4

RED

7
6
5
4
3
2

RED

1

TM4

TM1

1 2 3

3

CN13

2
1

2
1

CN3

2
1

CN1

5
4
3

CN6

2
1

7
6
5
4
3

CN11
2
1

TM2

RED

PIPE TEMP.
THERMISTOR

BLACK
BLACK

ROOM TEMP.
THERMISTOR

CN201

INDICATO
PCB ASSY

TERMINAL

3

3

2

2

1

1

7
6
5
4
3
2
1

BLACK

WHITE

THERMAL
FUSE 102

TEST

WHITE

BLACK

BLACK

WHITE
WHITE
WHITE

WHITE
WHITE
WHITE

W5

BLUE

1

1

YELLOW

2

2

WHITE

3

3

BLACK

4

4

CN10

5

5

RED

6

6

BLUE

6

6

PINK

5

5

4

4

YELLOW

3

3

CN8

ORANGE

2

2

RED

1

1

BLUE

6

6

PINK

5

5

YELLOW

4

4

ORANGE

3

3

CN5

2

2

RED

1

1

F M

FAN MOTOR

STEP MOTOR

M

( DIFFUSER )

STEP MOTOR

M

( UP / DOWN )

CN40CN42

2

1

3 456 7 8 9

2

1

2

123 456

1

RED

RED

BROWN

2

1

2

1

CN303 CN301

GREEN

BROWN

YELLOW

ORANGE

123 456 7 8 9
123 456 7 8 9

2

1

3 4

10

2

1

9

7 8

BLUE

GRAY

BLACK

PURPLE

W306

W307

3 4

10

WHITE

WHITE

10
10

BLACK

CAPACITOR

PCB

BLUE

5

5

PINK

4

4

YELLOW

3

3

ORANGE

CN2

2

2

RED

1

1

BLUE

4

4

RED

3

3

YELLOW

2

2

CN19

WHITE

1

1

2

GREEN

1

2

1

WHITE

YELLOW

2

1

STEP MOTOR

M

( RIGHT / LEFT )

54

3

5

4

3

RED

BLUE

5

4

3

I P M

W

V

SWITCH

TM303

U

TM304

TM305

RED

WHITE

BLACK

W302

W301

W17

W16

TM102

TM101

V

BLUE

YELLOW

U

W

W8

W13

W7

W12

BLACK

RED

BROWN

ORANGE

COMPRESSORC M

AIR CLEAN UNIT

OUTDOOR UNIT

CN400CN200

2

1

3 4

2

1

3 4

RED

BROWN

YELLOW

ORANGE

123 456
123 456

CN11

L0

N2

PURPLE

N1

WHITE

ACTPM

P

-

L2 L1

+

CHOKE COIL

W29

W28

1

POWER SUPPLY PCB

CONTROLLER PCB

CN1 CN110

TM600

2

1
1 2

WHITE

CN100

WHITE

TM601

123
123

GRAY

WHITE

BLACK

2

W9

W21

W20

CN62

CN61

CN60

CN500

CN700

CN801

BLACK

W3

W17

W19

W18

W2

W1

BLUE

2

2

BLUE

1

1

BLACK

212

BLACK

1

BROWN

212

BROWN

1

BLACK

3

3

2

2

BLACK

1

1

WHITE

6

6

YELLOW

5

5

ORANGE

4

4

BLUE

3

3

BROWN

2

2

RED

1

1

BROWN

6

6

YELLOW

5

5

WHITE

4

4

BLACK

3

3

2

2

RED

1

1

RED

W4

FUSE 25A-250V

GREEN

BLACK

WHITE
WHITE

TERMINAL

OUTDOOR TEMP.
THERMISTOR

PIPE TEMP.
THERMISTOR

DISCHARGE TEMP.
THERMISTOR

4-WAY

4WV

VALVE

PMV

EXPANSION
VALVE

F M

FAN
MOTOR

BLACKBLACK

4

321

(L)5(N)

TO POWE
SUPPLY

42006.10.05

PCB Circuit
Diagrams

not available at time of publication

ERROR CONTENTS

Error

Operation
LED

Display

Timer LED

Error

Serial signal error Normal

Indoor unit thermistor error 2 flash

Outdoor unit thermistor error

3 flash

2 flash

3 flash

4 flash

5 flash

8 flash

2 flash

3 flash

2 flash

3 flash

4 flash

8 flash

2 flash

Serial signal (reverse) error, at operation start up

Serial signal (reverse) error, during oeration

Serial signal (forward) error, at operation start up

Serial signal (forward) error, during operation

Wired remote controller error

Indoor temperature thermistor open / short

Heat exchanger middle thermistor open / short

Discharge thermistor open / short

Heat exchanger thermistor open

Outdoor temperature thermistor open / short

Compressor temperature thermistor open / short

Forced automatic SW welded

3 flash

Indoor unit control error

Outdoor unit control error

Indoor fan motor error 6 flash

Refrigerant cycle error 7 flash 3 flash

4 flash

5 flash

4 flash

7 flash

8 flash

2 flash

3 flash

5 flash

6 flash

2 flash

3 flash

2 flash

Main relay welded

Power interruption error

VDD permanent stop protection

reverse VDD permanent stop protection

Current trip error

CT abnormal

Compressor location detection error

Outdoor unit fan drive system abnormal

Abnormal lock

Abnormal rotation

Discharge Temperature abnormal

Cooling high pressure abnormal rise

Optional function error

Model information error

5 flash

2 flash

8 flash 3 flash

4 flash

0.1 sec on/off 0.1 sec on/off

Pressure switch trouble

Active filter voltage trouble (second time)

Active filter voltage trouble (first time)

PFC circuit error

Model information error

132006.05.15

DISASSEMBLY ILLUSTRATION

INDOOR UNIT

7

54

5

4

1

6

4

5

2

2006.10.18 14

60

2

2006.10.13 15

35

31

32

INDOOR UNIT

34

36

33

28

27

29

9

30

8

2006.10.13 16

INDOOR UNIT

26

22

23

10

INDOOR UNIT

43

7

38

37

39

53

41

42

40

55

46

48

52

47

172006.10.13

OUTDOOR UNIT

14

33

60

12

13

19

24

37

32

10

38

8

5

50

22

53

21

54

51

39

52

20

35

3

1

6

18

34

36

16

7

4

182006.10.26

OUTDOOR UNIT

43

44

40

46

45

55

41

42

192006.10.13

PARTS LIST

INDOOR UNIT

Ref Descriprion Part No

1 Front Panel 9314991042
2 Intake Grille Assy 9315336071
4 Air Filter 9315014016
5 Clamper Grille 9306755010
6 Receiver Window 9315010018
7 Air Cleaner Assy 9313148041
8 Crossflow Fan Assy 9315024015
9 Bearing C Assy 9306628017

10 Casing Assy 9315331014
22 R and L Louver 9311997016
23 Spacer B 9312441013
26 Drain Cap 9367677009
27 Evaporator Assy 9315347015
28 Evaporator Assy B 9315349019
29 Connection Pipe Assy 9315354013
30 Distributor Assy 9315350015

31 Water Seal 9315251015
32 Evaporater Holder R 9314994012
33 Evaporater Holder L 9314995019
34 Rear Bracket 9315022011
35 Filter Guide 9315013019
36 Filter Guard 9315411013
37 Controller PCB Assy 9707090154
38 Control Box 9314996016

39 Control Cover 9314997013
40 Motor Case 9314998010
41 Terminal Earth 9315028013
42 DC Brushless Motor 9602163014
43 SWITCH MICRO 9900286026
46 Motor, Step 9900384029
47 Motor, Step 9900384036
48 Motor, Step 9900139063

52 Gear A 9309994003
53 Terminal 9900385019
54 Air Clean Filter 9313275013
55 Indicator PCB Assy 9707210019
60 Front Panel Total Assy 9315335104

--- Remote Controller 9315027122

202006.10.13

OUTDOOR UNIT

Ref Parts No.Description

1 9309230064Top Panel Assy
3 9314809019Cabinet Sub Assy
4 9308884015Blow Grill
5 9309236028Cabinet Right Assy
6 9308885012Fan Ring
7 9308880017Grip
8 9309237032Switch Cover Assy

10 99001630134-Way Valve

12 9315303011Condenser Assy B
13 9315302014Condenser Assy
14 313728262708Thermistor Spring A
16 9309909014Propeller Fan
18 9313432027Motor Bracket Assy
19 Separater 9315213013
20 9315296023Base Assy
21 93154140143-Way Valve Assy

22 93130620192-Way Valve Assy
24 9307271014Cord Clamp
32 9900057039Expansion Valve Coil
33 9703516108Outdoor Temp. Thermistor
34 9602110018DC Brushless Motor
35 9315297013
36 9315210012Emblem Rear
37 9704220059Heat Exchanger Thermistor

Compressor Assy

38 9704219091Discharge Thermistor
39 9970055010Solenoid
40 9707121209Inverter PCB Assy
41 9707128055Capacitor PCB Assy
42 9707129052Power PCB Assy
43 9707125054TR PCB Assy
44 9703457012ACTPM
46 0600086039Fuse

45 0500158072Fuse Holder
50 9315310019Pulse Motor Valve Assy
51 9315308016Joint Pipe (3 Way Valve) Assy
52 9315304018Pipe (Condenser Outlet) Assy
53 9315305015Pipe (Condenser Inlet) Assy
54 9315312013Discharge Pipe Assy
55 Chock Coil 9900366018
60 Protective Net 9315033017

212006.10.13

ACCESSORIES

Name and Shape Part No.

Wall hook bracket

9315023018

Remote control

Remote control
unit holder

9305642045

9315027122

Battery (penlight)

Cloth tape

Tapping screw (big)

Tapping screw (small)

Air cleaning filter

Drain pipe

0600185534

9310519004

0700076046

0700019036

9313275013

9301102000

222006.10.13

0610G3163