Fujitsu AWYZ14LBC, AWYZ18LBC, AOYZ18LBC, AOYZ18LBL, AOYZ14LBC Service Manual

CONTENTS

SPECIFICATIONS

. . . . . . . . . . . . . . . . . . .

1

OUTLINE AND DIMENSIONS

. . . . . . . . .

2

REFRIGERANT SYSTEM DIAGRAM

. . . .

3

CIRCUIT DIAGRAM

. . . . . . . . . . . . . . . . .

4

INDOOR PCB CIRCUIT DIAGRAM

. . . . .

5

DISASSEMBLY ILLUSTRATION

. . . . . . .

10

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

SPLIT TYPE

ROOM AIR CONDITIONER

CEILING WALL TYPE

Indoor unit Outdoor unit

AWYZ14LBC AWYZ14LBC AWYZ18LBC AWYZ18LBC

AOYZ14LBC AOYZ14LBL AOYZ18LBC AOYZ18LBL

INVERTER

OUTDOOR PCB CIRCUIT DIAGRAM

. . .

8

ERROR CONTENTS

. . . . . . . . . . . . . . . .

15

11

HEATING CAPACITY

POWER SUPPLY

RUNNING CURRENT

Cooling

Heating

5.9 A

7.2 A

INPUT WATTS

Cooling

Heating

1.35 kW

1.63 kW

E.E.R.

Cooling

Heating

Cooling

Heating

4.44 kW/kW 4.11 kW/kW

MOISTURE REMOVAL

AIR CIRCULATION (HIGH)

Cooling and Heat-pump heating

AWYZ14LBC AWYZ18LBC

AOYZ14LB_

AOYZ18LB_

4.2 kW 5.2 kW

6.0 kW 6.7 kW

TYPE

INDOOR UNIT

OUTDOOR UNIT

COOLING CAPACITY

230 V 50 Hz

4.5 A 6.9 A

1.02 kW

1.58 kW

2.1 L/hr

4.12 kW/kW

3.29 kW/kW

2.8 L/hr

ELECTRICAL DATA

POWER SOURCE

230 V

High speed

1,450 r.p.m. / 1,650 r.p.m.

INDOOR UNIT ( cool / heat )

Med speed

1,320 r.p.m. / 1,350 r.p.m.

Super quiet

730 r.p.m. / 820 r.p.m.

Quiet

880 r.p.m. / 1,000 r.p.m.

Low speed

1,050 r.p.m. / 1,150 r.p.m.

OUTDOOR UNIT ( cool / heat )

820 / 730 r.p.m. 820 / 730 r.p.m.

FAN MOTOR

DIMENSIONS AND WEIGHT

INDOOR UNIT

H x W x D

OUTDOOR UNIT

578 x 790 x 300 mm

250 x 899 x 298 mm

INDOOR UNIT

Gross / Net

H x W x D

Gross / Net

OUTDOOR UNIT

43 kg / 39 kg

17 kg / 13.5 kg

FULL CHARGE

1,350 g

15 m

20 m

Pipe Length

1,450 g

ADDITIONAL CHARGE

20 g/m

MAX PIPE LENGTH

20 m

COMPRESSOR AND REFRIGERANT

TYPE

DISCRIMINATION

REFRIGERANT R410A

1,350 g

808 - 907 - 80

Hermetic type, Inverter,

Three phase

Induction motor, Rotary

SPECIFICATIONS

High speed

850

m3/hr

940 m

3

/hr

46 dB / 46 dB

43 dB / 39 dB

35 dB / 34 dB

29 dB / 29 dB

24 dB / 24 dB

46 dB / 47 dB

46 dB / 46 dB

43 dB / 39 dB

35 dB / 34 dB

24 dB / 24 dB

29 dB / 29 dB

47 dB / 48 dB

INDOOR UNIT ( cool / heat )

Med speed

Low speed

Super quiet

Quiet

OUTDOOR UNIT ( cool / heat )

NOISE LEVEL

2008.04.10

1

Unit : mm

DIMENSIONS

INDOOR UNIT

OUTDOOR UNIT

2006.01.12 2

2,000

300

298

899

250

170

40

300

540 125

508

60790

320

52

578

10

20

REFRIGERANT SYSTEM DIAGRAM

Liquid pipe : 6.35 mm Gas pipe : 12.7 mm

2-Way Valve

Strainer

Muffler

Receiver

Heat exchanger B

( INDOOR )

3-Way Valve

4-Way Valve

Pulse motor valve

Heat exchanger ( INDOOR )

Heat exchanger ( OUTDOOR )

Accumulator

Compressor

Cooling Heating

2005.12.26 3

INDOOR UNIT

OUTDOOR UNIT

CIRCUIT DIAGRAM

2005.12.26 4

BROWN

RED

BLACK

WHITE

RED

BROWN

BLACK

YELLOW BLUE

RED

BLACK WHITE YELLOW BROWN

BLACK

RED

BROWN BLUE ORANGE YELLOW WHITE

BROWM RED ORANGE

YELLOW GREEN BLUE PURPLE GRAY WHITE

BLACK

WHITE

RED

BLUE

BLACK

BROWN

GREEN

BROWN

ORANGE

BLACK

RED

WHITE

PURPLE

BROWN

RED ORANGE YELLOW

RED

WHITE

BLACK

1 2 3 4 5 6 7 8

9 10 11

1 2 3 4 5 6 7 8

9 10 11

1 2 3 4 5 6 7 8 9

1 2 3 4 5 6 7

1

2

3

4

5

6

7

1 2 3 4 5 6

1 2 3 4

1 2 3 4 5 6 7

1 2 3 4 5 6

1 2 3

121

2

121

2

1 2

121

2

CN60

CN61

CN62

W4

W2

W1

W3

W7 W8

TM01

TM02

CN42

CN800

CN70

CN41

CN40

TM03

TM04

CN400

CN11

+

-

N1

P

I O

N2

L1 L2

CN301

1 2 3

CN302

CN303

TM301PNTM302

D201

+

-

DISCHARGE TEMP. THERMISTOR

PIPE TEMP. THERMISTOR

OUTDOOR TEMP. THERMISTOR

FUSE

20A-250V

TERMINAL

NL

3

4-WAY VALVE

EXPANSION VALVE

FAN MOTO R

PMV

4WV

F M

CN700

CN500

R

S

C

(U)

(W)

(V)

C M

COMPRESSOR

TM303

W

TM304

V

TM305

U

CHOKE COIL

ACTIVE FILTER

MODURE

CONTROLLER

PCB ASSY

TRANSISTOR

PCB ASSY

RED

WHITE

WHITE WHITE

WHITE

WHITE WHITE

WHITE

RED

WHITE WHITE

WHITE

RED

WHITE

WHITE WHITE

WHITE

WHITE WHITE

WHITE

RED

WHITE

WHITE WHITE

WHITE

WHITE WHITE

WHITE

BLUE

YELLOW

WHITE

BLACK

RED

WHITE

RED

RED WHITE

WHITE

WHITE WHITE

BLUE

PURPLE

GRAY

WHITE BLACK

BROWN RED

ORANGE YELLOW

GREEN

BLACK

WHITE

BLUE

RED

WHITE

RED

WHITE

GREEN / YELLOW

WHITE

BLACK

RED

GRAY

BLUE

BROWN

RED

WHITE

RED

WHITE

RED

WHITE

BROWN

RED

ORANGE

YELLOW

RED

BROWN

ORANGE

YELLOW

CN205

CN206

CN201

CN200 CN203 CN202

CN204

CN3

CN4

CN16

CN9

CN6 CN7 CN17

CN12

CN210

CN15

CN11

CN208

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

10

9

8

7

6

5

4

3

2

1

11

10

9

8

7

6

5

4

3

2

1

11

10

9

8

7

6

5

4

3

2

1

10

9

8

7

6

5

4

3

2

1

10

9

8

7

6

5

4

3

2

1

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

6

5

4

3

2

1

6

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5432

1

5 4

3 2 1

6

7

8

9

10

2

1

5432

1

5432

1

5432

16

5432

1

5432

1

43

2

1

2

1

8

7

6

2

1

5

43

2

1

2

1

876

5

4

32

1

876

5

43

2

1

5

4

32

1

2

1

4

32

1

4

32

1

32

1

32

1

32

1

2

1

TERMAL FUSE 102

NL3

4

3

1

3

TERMAL FUSE 102

POWER RELAY

SWITCH (LEFT)

SWITCH (RIGHT)

AIR FILTER (LEFT)

AIR FILTER (RIGHT)

TM1 TM2

M

POWER SOURCE

TERMINAL

TEST

ROOM TEMPERATURE THERMISTOR

PIPE TEMPERATURE THERMISTOR

F M

M

DIFFUSER

LOUVER Z

LOUVER U

RIGHT-LEFT LOUVER

CONNECTOR (WHITE)

CONNECTOR (RED)

UV-LED

UNIT

RECEIVER PCB

W3

CONTROLLER PCB

INDICATOR PCB

CONNECTOR BOARD

WHITE

RED

WHITE

RED

BROWN

ORANGE

RED

YELLOW

GREEN

BLUE

PURPLE

GRAY

WHITE

BLACK

RED

WHITE

RED

WHITE

BROWN

RED

ORANGE

YELLOW

RED

WHITE

YELLOW

ORANGE

RED

BROWN

WHITE

RED

WHITE

RED

WHITE

BLACK

RED

BLACK

WHITE

YELLOW

BLUE

WHITE

BLACK

RED

WHITE

RED

WHITE

RED

WHITE

RED

WHITE

RED

20

19

18

17161514131211

10

987

6

543

2

1

20

19

18

17161514131211

10

987

6

543

2

1

6

543

2

1

11

10

987

6

543

2

1

11

10

987

6

543

2

1

10

987

6

543

2

1

18

17161514131211

10

987

6

543

2

1

18

17161514131211

10

987

6

543

2

1

10

987

6

543

2

1

10

987

6

543

2

1

8

7

6

543

2

1

6

543

2

1

432

1

543

2

1

2

1

2

1

8

7

6

543

2

1

3

2

1

3

2

1

2

1

2

1

543

2

1

543

2

1

6

543

2

1

10

9

8

7

CN204

S8B-PASK

CN202

JB-4

CN203

JB-6

CN200

B2B-XASK

CN201

B5B-XASK

ZHR-5

B5B-XASK

B2B-XASK

CN12

B3B-PASK

CN210

JB-3

CN6

2P-SAN

CN7

2P-SCN

ROOM THERMISTOR

PIPE THERMISTOR

THERMAL

FUSE 103

POWER SOURCE

AC220-240V

50 / 62Hz

BROWN

BLUE

WHITE

RED

BLACK

TM2

22007

TM1

22007

K1

43

3

L

N

TERMINAL

RJW-18

CN206

JB-10

CN205

JB-10

ZHR-5

RJW-20

CN11

JC-10

CN9

JC-10

CN15

JZ-11

CN16

JZ-11

CN4

S5 (6-5) B-XARK

CN3

CN17

JB-5

RMH-4

NH5

CN208

CN207

S2B-PH

JB-8

ZHR-5

TEST

OUTDOOR UNIT

CONTROLLER PCB ASSY

AWYZ14LBC : K05DS-0500HSE-F1

AWYZ18LBC : K05DS-0501HSE-F1

INDICATOR PCB ASSY

K04DU-0500HSD-DO

RECEIVER PCB ASSY

K05DS-0500HSE-SO

CONNECTOR PCB

K05DS-0500HSE-CNO

UV-LED UNIT

F. M.

FAN MOTOR

M

DIFFUSER

LOUVER

( RIGHT / LEFT )

LOUVER-Z

( UP / DOWN )

LOUVER-U

( UP / DOWN )

M

LIMIT SWITCH-R

LIMIT SWITCH-L

CLEAN FILTER-R

CLEAN FILTER-L

INDOOR PCB CIRCUIT DIAGRAM

AWYZ14LBC

AWYZ18LBC

Models :

2007.05.15 5

CONTROLLER PCB

MANUAL

AUTE SWITCH

RECIVER

PCB

CONTROLLER PCB ASSY

AWYZ14LBC : K05DS-0500HSE-F1

AWYZ18LBC : K05DS-0501HSE-F1

AWYZ14LBC

AWYZ18LBC

Models :

2005.12.27 6

AWYZ14LBC AWYZ18LBC

Models :

2005.12.27 7

INDICATOR PCB

TERMINAL

HP-T4057-21-L1

POWER

SELIAL

POWER SOURCE

AC230V / 50Hz

FAN MOTOR

4-WAY VALVE

EXPANSION VALVE

DISCHARGE TEMPERATURE THERMISTOR

HEAT EXCHANGE TEMPERATURE THERMISTOR

OUTDOOR TEMPERATURE THERMISTOR

COMPRESSOR

CHOCK COIL

B

W1

( A-1 )

W2

( B-1 )

W4

( D-1 )W3( C-1 )

CN800

BH5 ( 7-2.3 ) B-XASK-1-A

( H-1 )

CN500

BH2P3-VH-B-C

( F-7 )

CN700

BH6B-XARK-1-A

( I-1 )

CN60

BH2B-XH-Y

YELLOW

( K-1 )

CN61

BH2B-XH-R

RED

( K-1 )

CN62

BH2B-XAEK

BLUE

( K-1 )

BROWN

BLACK

BLUE

WHITE

YELLOW

ORANGE

BLUE

BROWN

RED

YELLOW

WHITE

BLACK

RED

TM2

( B-7 )

TM1

( A-7 )

L1

L2

+

-

N1

N2

I O

P

CN70

BH3 ( 7.5B ) -XAKK

( F-16 )

W7

( A-15 )

W8

( B-15 )

CN40

BH9B-XAKK-1-A

( I-16 )

CN41

BH3B-XASK-1-A

( H-16 )

CN42

BH2B-XH-2

( K-4 )

CN303

BH2B-XH-2

( C-12 )

CN301

BH11B-PASK-1

( F-4 )

CN302

BH3 ( 6.0 ) B-PASK-1

( F-12 )

TM301

( C-9 )

TM302

( C-9 )

RED

WHITE

BLACK

BROWN

RED

ORANGE

YELLOW

GREEN

BLUE

PURPLE

GRAY

WHITE

BLACK

BROWN

RED

UL1007 AWG24 BROWN

BROWN

UL1007 AWG24 RED

UL1007 AWG24 ORANGE

ORANGE

UL1007 AWG24 YELLOW

UL1015

AWG14

YELLOW

UL1015

AWG14

BLUE

W302

UL1007

AWG24

W301

UL1007

AWG24

W303

UL1007

AWG24

U

TM305

( C-9 )

V

TM304

( C-9 )

W

TM303

( C-9 )

PEX-125F

C. M.

RED

WHITE

BLACK

1

234

5

678

9

10

11

1

2

1

2

123

1

234

5

678

9

1

234

5

6

7

1

234

5

6

7

1

234

1

234

5

6

1

234

5

6

7

1

2

3

1

234

5

6

1

2

1

2

1

2

W12

UL1015 AWG14 WHITE

W13

UL1015 AWG14 PURPLE

CN400

BH4B-XASK-1-A

( E-11 )

TM12

( A-9 )

TM13

( B-9 )

W401

CN11

M

F. M.

UL1015

AWG16

GREEN

EARTH

1

2

3

UL1015

AWG14

BLACK

UL1015

AWG14

WHITE

UL1015

AWG14

RED

TRANSISTOR PCB ASSY

K04DP-0400HUD-TRO

ACTPM

SACT32010F1

CONTROLLER PCB ASSY

AOYZ14LB_ : K05AD-0500HUE-C1

AOYZ18LB_ : K05AD-0501HUE-C1

INVERTER ASSEMBLY

AOYZ14LB_ : EZ005CHUE

AOYZ18LB_ : EZ005DHUE

2005.12.27 8

EMI FILTER 2

ZCAT2132-1130

EMI FILTER 5

ZCAT3035-1330

EMI FILTER 1

ZCAT1518-0730

EMI FILTER 4

ZCAT2132-1130

BLACK

RED

D25VB60

F201

20A-250V

OUTDOOR PCB CIRCUIT DIAGRAM

AWYZ18LBC

AWYZ14LBC

JM902

PS21265-P

CONTROLLER PCB ASSY

AOYZ14LB_ : K05AD-0500HUE-C1

AOYZ18LB_ : K05AD-0501HUE-C1

2005.12.27 9

ERROR CONTENTS

Error

Operation LED

Timer LED

Serial signal error Off

2 flash

3 flash

4 flash

5 flash

Serial signal (reverse) error, at operation start up

Serial signal (reverse) error, during operation

Serial signal (forward) error, at operation start up

Serial signal (forward) error, during operation

Indoor unit thermistor error 2 flash

2 flash

Outdoor unit thermistor error 3 flash

3 flash

2 flash

3 flash

4 flash

Indoor unit control error 4 flash

2 flash

3 flash

2 flash

4 flash

3 flash

Display

Error

Outdoor unit control error 5 flash

2 flash

3 flash

5 flash

Indoor fan motor error 6 flash

2 flash

3 flash

Abnormal lock

Abnormal rotation

CT abnormal

Outdoor unit fan drive system abnormal

2 flash

Refrigerant cycle error 7 flash

3 flash

Optional function error

Model error

8 flash

Blinking Blinking

6 flash

Current trip error

Main relay welded

Outdoor temperature thermistor open / short

Indoor temperature thermistor open / short

Heat exchanger thermistor open

Heat exchanger middle thermistor open / short

Discharge thermistor open / short

Active filter abnormal (first time)

Active filter abnormal (second time)

Forced automatic SW welded

Power interruption error

Compressor location detection error

Model error

Discharge Temperature abnormal

Cooling high pressure abnormal rise

2006.01.26 10

10

6

1

2

9

2010.09.06 11

DISASSEMBLY ILLUSTRATION

INDOOR UNIT

7

4

3

8

5

2010.09.06

INDOOR UNIT

12

18

14

19

11

12

13

17

16

15

2010.09.06

INDOOR UNIT

13

49

42

50

47

43

51

48

27

28

25

26

24

23

60

61

21

22

58

53

62

56

57

53

44

45

54

46

52

30

29

31

59

31

41

55

OUTDOOR UNIT

2006.12.27 14

25

24

17

27

23

35

26

1

14

6

3

2

5

12

31

8

7

4

19

20

10

34

33

21

22

29

18

16

28

11

9

13

30

32

36

PARTS LIST

Ref. Description

41 Casing Assy 9313877040

42 Louver U Assy 9312243037

43 Spring EL 9312194001

47 Louver Z 9311996033

48 Spring F 9314143014

49 Diffuser U 9313856014

50 Diffuser Z 9313857011

51 Spring C 9314142017

59 Casing Cover F 9313839017

56 Casing Cover B 9313838010

57 Casing Cover L 9313887018

58 Casing Cover R 9313888015

44 Louver Cam 9312000012

45 Tension A 9312197002

46 Spring Holder 9311999010

52 Gear A 9309994003

61 Drain Hose Assy 9314147012

62 Drain Cap Assy 9304150008

60 Motor Cover 9313840013

22 Crossflow Fan Assy 9312004010

21 Bearing C Assy 9306628017

24 Control Box 9312005017

25 Controll Cover 9312006014

27 Receiver Case 9313842017

Part number

26 PCB Assy (14)

26 PCB Assy (18)

PCB Assy = Controller PCB + Receiver PCB + Connector PCB

9707154016

28 Power Cord Assy 9900339029

29 Display Assy 9705808027

23 Fan Motor Assy 9601888017

53 Stepping Motor 9900467005

54 Stepping Motor (Pink) 9900527006

31 Gear Box Assy 9313880019

55 R and L Louver 9313858018

9707154023

2010.09.06 15

Indicator PCB 970580902430

INDOOR UNIT

Ref. Description

5 Open Panel Assy 9314405037

9 Air Filter 9313859015

4 Front Panel Total Assy 9313882150

6 Top Grill 9313848019

7 Top Cover 9313849023

10 Dust Box Assy 9313884024

8 Under Cover 9313850029

13 Evaporator Total Assy 9314964015

14 Joint Pipe Assy 9314111020

18 Sensor Case 9313843014

19 Sensor Cover 9313853013

Part number

15 Evaporator Holder R 9313833015

16 Evaporator Holder L 9313834012

17 Rear Bracket 9312416011

12 UV Unit 9313890018

11 Filter Guide 9313841010

1 Remote Control 9314157028

2 Remote Control Holder 9312947010

3 Bracket Panel 9312011018

OUTDOOR UNIT

Ref. Description

1 Top Panel Assy 9309230057

2 9314809040

3 Blow Grill 9308884015

4 Cabinet Right Assy 9309236011

5 Fan Ring 9308885012

6 Grip 9308880017

7 Switch Cover Assy 9309237025

8 Protective Net 9315319012

9 4-way Valve 9970036019

10 Pulse Motor Valve Assy 9314444012

9300089012

11 Condenser Assy 9314040023

12 Thermo Spring A 313728262708

13 Thermo Spring

14 Propeller Fan 9309909014

16 Motor Bracket 9308872012

17 Separater 9312032020

18 Base Assy 9308869081

19 3-way Valve Assy 9315159014

20 2-way Valve Assy 9313062019

21 Valve Bracket 9308870025

22 Cord Clamp 9307271014

23 Terminal 3P 9306489038

24 Inverter PCB Assy (14)

24 Inverter PCB Assy (18)

9707132014

25 TR PCB Assy 9705753013

26 ACTPM 9703457012

27 Fuse 0600086190

28 Fan Motor 9601815013

29 Compressor Assy 9314061011

30 Discharge Pipe Thermistor 9704219091

31 Heat Exchanger Thermistor 9704220028

32 Outdoor Thermistor 9703516092

33 Solenoid 9970055010

34

Expansion Valve Coil 9900057039

35

Choke coil 9703458019

---

Emblem 9315210012

---

Discharge Pipe Assy 9315283016

9707132021

36

Diode Bridge 0100122107

Part number

Cabinet Sub Assy

2010.09.03 16

2006.01.26 17

ACCESSORIES

The following installation accessories are supplied. Use them as required.

Name and Shape Q'ty Name and Shape Q'ty

Wall hook bracket

9312011018

9315029010

0600185046

9312947010

9303029022

9308117007

0700076046

0700019036

9304536000

Remote control

Battery

Tapping screw (big)

Drain pipe

Cloth tape

1

2

8

1

2

Tapping screw (small)

Remote control unit holder

Seal A

1

0512G2969