Fujitsu ARY12LUAD User manual

INVERTER SPLIT TYPE

AIR CONDITIONER (50Hz)

AIR CONDITIONER

DUCT type

Models

Indoor unit Outdoor unit

ARY12LUAD AOY12LMAKL

ARY14LUAD AOY14LMAKL

CONTENTS

SPECIFICATIONS

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

OUTLINE AND DIMENSIONS

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

REFRIGERANT SYSTEM DIAGRAM

. . . . . . . . .

ERROR CONTENTS

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

CIRCUIT DIAGRAM

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

INDOOR PCB CIRCUIT DIAGRAM

. . . . . . . . . . .

8OUTDOOR PCB CIRCUIT DIAGRAM

. . . . . . . .

DISASSEMBLY ILLUSTRATION

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

PARTS LIST

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

STANDARD ACCESSORIES

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

SPECIFICATIONS

TYPE

COOLING & HEATING

INDOOR UNIT

ARY12LUAD ARY14LUAD

OUTDOOR UNIT

AOY12LMAKL AOY14LMAKL

COOLING CAPACITY

3.50 kW 4.30 kW

HEATING CAPACITY

4.00 kW 4.80 kW

POWER SOURCE

230 V

FREQUENCY

50 Hz

RUNNING CURRENT COOLING

5.10 A 6.00 A

HEATING

5.80 A 6.50 A

INPUT WATTS COOLING

1.15 kW 1.37 kW

HEATING

1.32 kW 1.49 kW

E.E.R. COOLING

3.04 kW/kW 3.14 kW/kW

HEATING

3.03 kW/kW 3.21 kW/kW

MOISTURE REMOVAL

Note : The above list shows values at the external static pressure of 0Pa, setting the fan speed high notch.

1.2 l/hr 1.5 l/hr

TYPE

Hermetic type, 4 poles, DC motor,

Twin Rotary

DISCRIMINATION

TNB220FPCM

REFRIGERANT (R410A)

1,250 g

DISCRIMINATION

MFA-18NTT MFA-18NTT

HIGH-SPEED

750 r.p.m. 1,000 r.p.m.

FAN SPEED INDOOR

MED-SPEED

680 r.p.m. 860 r.p.m.

LOW-SPEED

610 r.p.m. 720 r.p.m.

OUTDOOR

HIGH-SPEED

LOW-SPEED

780 r.p.m.

MFB-24JTAT

400 r.p.m.

AIR FLOW INDOOR

580 m3/h 780 m3/h

OUTDOOR

2,800 m3/h

DIMENSIONS INDOOR

217 x 953 x 595 mm

H x W x D OUTDOOR

650 x 830 x 320 mm

WEIGHT INDOOR

29 / 25 kg

GROSS / NET

OUTDOOR

Note : The above list shows values at the external static pressure of 0Pa,setting the fan speed high notch.

58 / 54 kg

ELECTRICAL DATA

COMPRESSOR

FAN MOTOR

PIPE LENGTH 10 m

1,250 g

FULL CHARGE AMOUNT 15 m

1,350 g

20 m

1,450 g

25 m

1,550 g

MAXIMUM PIPE HEIGHT

When you dismantle indoor units which are installed, take care not to make parts fall down, especially motors.

15 m

ADDITIONAL REFRIGERANT

20 g / m

NOISE LEVEL

REFRIGERANT

HIGH-SPEED

32 dB 38 dB

INDOOR UNIT

MED-SPEED

COOL

HEAT

Note : Static pressure : 0Pa / Duct length : Inlet 0.5m, Outlet 1m

29 dB 34 dB

LOW-SPEED

27 dB 30 dB

OUTDOOR UNIT

52 dB 52 dB

50 dB 50 dB

12006.05.24

INDOOR UNIT

(unit : mm)

OUTLINE AND DIMENSIONS

22006.05.24

Models :

ARY12LUAD

ARY14LUAD

953

920

600

150

217

605

57520

886

850

390

OUTDOOR UNIT

(unit : mm)

350

320

830

650

Air flow

Bottom

603

343

32006.05.24

Models :

AOY12LMAKL

AOY14LMAKL

Refrigerant Pipe

( Liquid )

OUTDOOR UNIT INDOOR UNIT

Evaporator

Accumulator

Condenser

Strainer

Compressor

High

Pressure

Switch

Muffler

Expansion

Valve

Refrigerant Pipe

( Gas )

4-Way

Valve

Cooling

Refrigerant direction

Heating

REFRIGERANT SYSTEM DIAGRAM

42006.06.07

Refrigerant pipe diameter

ARY12LUAD

Gas pipe : 9.52 mm ( 3/8 inch )

Liquid pipe : 6.35 mm ( 1/4 inch )

ARY14LUAD

Gas pipe : 12.70 mm ( 1/2 inch )

Liquid pipe : 6.35 mm ( 1/4 inch )

Models :

ARY12LUAD

ARY14LUAD

INDOOR UNIT

CIRCUIT DIAGRAM

Thermistor (pipe temp.)

Thermistor (room temp.)

Terminal

Remote

control

to remote control unit to outdoor unit

Outdoor

unit

CN17

CN5

CN1

Use T 3.15A - 250V

Fuse on F101

Filter

board

CN4

CN11

(fresh air)

CN15

(float sw)

CN7 CN8

CN10

(heater)

CN13

(display)

CN6

(drain pump)

CN14

(HA)

Fan motor

capacitor

Controller PCB

52006.05.24

Models :

AOY12LMAKL

AOY14LMAKL

62006.05.24

OUTDOOR UNIT

14V

R56

BZ1

PKM13EPY-4000

I C6 (2/7)

uPA2003GR

I C4 (7/7)

uPA2003GR

14V

R57 1.0K

<1/10W>

R47 390

<1/10W>

R49 1.0K

<1/10W>

C38

0.01

<F>

R58, R100

10K <1/10W>

x 2

DTC124EKA

CN15 B3B-XARK-1-A RED

R48 10K

<1/10W>

C49

0.01

<F>

C39

0.1

<F>

RJ2

10K

<1/10W>

RJ1 1.0K

<1/10W>

FLOAT SWITCH

CN14 B4B-XH-AM

JEM-A HA

HEATER

CN10 B2B-XAMK-1-A GREEN

CN11 B2B-XARK-1-A RED

FRESH AIR

CN13 B8B-XASK-1-A

DISPLAY BOARD

C41

10/

25V

C42

0.01

<F>

12V

I C11-1

BA10358

12V

R52

10K

<1/10W>

R53

10K

<1/10W>

R51 0.1 <1/10W>

R54 47 <1/10W>

C40

0.01

<F>

CR5

1000P

<R>

I C11-2

BA10358

R62 4.7K

<1/10W>

DA226U

R65 390 <1/10W>

SW4

DSS803

0.1

<F>

CR7

0.01

<F>

I C6 (1/7)

uPA2003GR

R67 1.0K

<1/10W>

R68 10K

<1/10W>

R61

10K

<1/10W>

R60

10K

<1/10W>

2SC2712

10K <1/10W> x 3

R70 R69 R80

CR2 - CR4

10K <1/10W> x 3

R81 1.0K <1/10W>

R72 1.0K <1/10W>

R71 1.0K <1/10W>

C31 C16 C43

0.01 <F> x 3

JM10

C45

0.1

<F>

I C8

PST600C

C44

0.1

<F>

R55

10K

<1/10W>

CSTS0500MG03-T

0.01 <F> x 3

C10 C12 C30

70 69

X1 X2

P10

P15

P16

P17

P122

P123

P05

P04

VDD0

VDD1

AVRF0

AVRF1

AVSS

VSS0

VSS1

XT2

P124

P125

P126

P127

P65

P66

P02

P64

P62

P63

P61

P60

P120

P37

P35

P34

P67

P30

P31

P32

P40

P41

P42

P23

P24

I C

RESET

P43

P44

P45

P12

P13

P14

P03

P121

P00

P01

P55

P54

P53

P52

P51

P22

P21

P20

P130

P25

P26

P27

P50

P33

P36

P46

P47

P57

P56

XT1

P131

P72

P71

P70

P11

C32

1000P

<R>

C35

1000P

<R>

R44 1.0K

<1/10W>

R46 1.0K

<1/10W>

R43 10K

<1/10W>

(1%)

R45 49.9K

<1/10W>

(1%)

C34

0.1

<F>

C37

0.1

<F>

CN13-1

CN13-2

CN13-3

CN13-4

CN13-8

CN13-5

CN13-7

CN13-6

CN11-2

CN11-1

CN10-1

CN10-2

B Z

CN14-1

CN14-2

CN14-3

CN14-4

CN15-1

CN15-3

CN15-2

CN7-1 GRAY

CN7-2 GRAY

CN8-2 BLACK

CN8-1 BLACK

CN7 B2B-XAKK-1-A BLACK

CN8 B2B-XASK-1-A ROOM TEMPERATURE THERMISTOR

PIPE TEMPERATURE THERMISTOR

R50 10K <1/10W>

I C7

BR93L46RF

R77 - R79

10K <1/10W> x 3

D I

VCC

GND

L2 0.022

R64 28K

<1/10W>

(1%)

L4 0.022

L3 0.022

R66 10K

<1/10W>

R63 15.4K

<1/10W>

(1%)

107

116

215

611

161

116

6 11

I C5 (1/7)

R75

10K

<1/10W>

R76

10K

<1/10W>

FUN DELEY SHIFT

FAN MOTOR TYPE SHIFT

REMOTE CONTROL UNIT TYPE SHIFT

No.3

No.1

No.2

CN17-1

CN17-2

CN17-3

CN17 B3B-XAKK-1-A BLACK

UL1430 AWG22 RED

UL1430 AWG22 BLACK

UL1430 AWG22 WHITE

1 PIN

TO TERMINAL BOARD

2 PIN

3 PIN

2(N)

TO CONNECTOR No.17

POWER SOURCE

230V

50Hz

TERMINAL BOARD

REMOTE

CONTROL

UNIT

DRAIN PUMP

FAN MOTOR

F M

SW1

DSS803

AUTO RESTART

ROOM TEMPERATURE CORRECTION

( HEATING OPERATION )

ROOM TEMPERATURE CORRECTION

( HEATING OPERATION )

No.1

No.3

No.2

R40 1.0K <1/10W>

R41 1.0K <1/10W>

R42 1.0K <1/10W>

R39 R38 R37 10K <1/10W> x 3

CN9

B5P-SHF-1AA

WHITE

TEST

CN9-1

CN9-5

CN9-4

CN9-3

CN9-2

R21 - R24

10K <1/10W> x 4

R25 - R28

1.0K <1/10W> x 4

C22 - C25

0.01 <F> x 4

I C6 (4/7)

uPA2003GR

VA2 470V

<TNR>

K 4

K 3

K 1

K 2

14V

SSR1

G3MC-201PL-VD

DC12V

I C5 (5/7)

uPA2003GR

11 6

12 5

13 4

14 3

15 2

12 5

14 3

15 2

R93 10K <1/10W>

R94 10K <1/10W>

R95 10K <1/10W>

R96 10K <1/10W>

CR6

0.01

<F>

DTC124EKA

C17

0.01

<F>

CR1

0.01

<F>

R9 390

<1/10W>

R10

10K

<1/10W>

R14 10K

<1/10W>

I C 10 H I 2002

SW2 DRS4016-5

I C5 (1/7)

uPA2003GR

C26 - C29

0.01 <F>

x 4

R33 - R36

1.0K <1/10W> x 4

10K <1/10W> x 4

R29 R30 R31 R32

C54

0.01

<F>

I C3

7805

C13

0.1

<F>

VA1 470V

<TNR>

JM6 +

C14

100/

6.3V

C15

0.1

<F>

C47

0.1

<F>

I O

I C2

7812 12V

14V

C11

10/

25V

PRIMARY SECONDARY

D2FL20U

1000

/25V

R8 10K

<1/10W>

100/6.3V

330

<1/4W>

+R2 1.5

2SC4236 R6 100

<1/2W>

C7 0.047

<ECQB>

D1FL20U

MTZJ5.1B

10K <1/10W> x 4

R59 R97 R98 R99

C21

0.01

<F>

C20

0.01

<F>

C19

0.01

<F>

R20 1.0K <1/10W>

R19 1.0K <1/10W>

R18 1.0K <1/10W>

10K <1/10W> x 3

R17 R16 R15

R5 62K

JM1

JM3

JM2

CUSTOM CODE

SWITCHING TRANSFORMER

ZFT29B01

1SR139-600

D10

1SR139-600

R4 330K

C6 4700P

<ECQM>

R1 3.3

D3SB60

100/

450V

2SC1815

R3 100

<1/10W>

TM101

TM102

FH101 FH102

F101

3.15A - 250V

<BET> VA102 470V

<TNR>

SA101

RA-362M

VA101 470V

<TNR>

ELF17N015A

LF101

E101 W103 W104

C103

0.022

<YE>

C104

0.022

<YE>

C105

0.01

<F>

C106

0.01

<F>

C101

0.22

<RE>

CN1 B3P5-VH-B-C BLACK

CN4

B2P3-VH-B-Y YELLOW

G5SB-14

G5NB-1A

CN6 B2P3-VH-B-E BLUE

CN5 B6P11-VH-B WHITE

C3 0.22 <RE>

R88 120 <1/2W>

CN6-1

CN6-2

CN5-6

CN5-5

CN5-4

CN5-3

CN5-2

CN5-1

CN4-2

CN4-1

CN1-1

CN1-3

CN1-2

UL1015

AWG18

BLACK

UL1015 AWG18 WHITE

UL1015 AWG20 WHITE

UL1015 AWG16

GREEN

UL1015 AWG14 BLACK

UL1015 AWG14 WHITE

UL1015 AWG14 RED

YELLOW / GREEN

BLACK

WHITE

RED

PINK

PURPLE

BLUE

FAN CAPACITOR

450V / 2.3uF

(ARY12,14,18)

450V / 2.5uF

(ARY22)

to outdoor unit

CONTROLLER PCB ASSY (main PCB)

ARY12LUAD : K01AL-0412HSE-C1

ARY14LUAD : K01AL-0411HSE-C1

INDOOR PCB CIRCUIT DIAGRAM

72006.07.14

VCC

AVCC

P00

P01

P17

P13

P14

P15

P16

AVR

P24

P25

P30

P31

P32

P33

P34

P35

P60

P61

MD0

MD1

P44

P43

P42

P41

P45

RSTX

P27

AGND

GND

GND 49

56P63

P62

P46

P12

P50

P37

P36

P40

MD2

P11

P26

P02

P03

P04

P05

P06

P07

P10

P20

P21

P22

P23

P57

P56

P55

P54

P52

P53

P51

R19 10K

<1/10W>

I C6

BD4742G

R72 1.0K

<1/10W>

R73 82K

<1/10W>

C17

0.01

<F>

C16

4.7/50V

<PS>

SUB

VCC

VOUT

GND

8.00MHz

<EF0EC>

R20

10K

<1/10W>

5V CN601

B10B-PASK-1 WHITE

FLASH

TAUX

TTXD

TRXD

TMODE

TAUX3

TCK

/ TRES

/ T I CS

R604

R21

R603

R602

R601

10K <1/10W> x 5

R605 22K

<1/10W>

C316

C312

C313

C314

C315

C311

2200P <B> x 6

Q306

Q305

Q304

Q303

Q302

Q301

2SC2412K

<BQ> x 6

330 <1/10W> x 6A

R322

R326

R325

R324

R323

R327

I C301 - I C306

PS2561L-1-V x 6

560 <1/10W>

x 6

R80

R85

R84

R83

R82

R81

15V

R360

<1/2W>

R87 2.94K

<1/10W>

(1%)

R107 680

<1/10W>

(1%)

R328 - R333

1.0K <1/10W> x 6

5V-2

I C310

PS21246

C324 - C326

0.1 <F> x 3

15V

VP I

VUFB

VUFS

VP I

VVFB

VVFS

VP I

VPC

VWFB

VWFS

VN I

VNC

C IN

CFO

C327

0.022

<F> A

C328

2200P

<B>

R302 1.0K

<1/10W>

5V-2

C332

0.1

<F>

15V

R303

4.7K

<1/10W>

R301 R305

0.02

<5W>

x 2

5V-2

R304

560

<1/10W>

R33

10K

<1/10W>

I C307

PS2561L-1-V

R40 1.0K

<1/10W>

C33

0.01

<F>

C34

0.01

<F>

12V

+C6

100/16V

<PS>

18V

C418

10/35V

<PS>

I C8

TA7805

C406

220/50V

<PJ>

I C407

uPC24M18

5V-2

C11

0.1

<F>

D401

D1FL20U

15V

BLACK

RED

WHITE

TM303

TM305

TM304

C M

D1FL20U

R5 10K

<1/10W>

470/25V

<PJ>

220/16V

<PJ>

JPZ-200

D100

D1FL20U

220/

35V

<PJ>

C10

100/16V <PS>

I C101

TA7805

100/16V

<PJ>+

D1FL20U

R4 330

<1/4W>

C2 0.047

<ECQB>

R3 100

<1W>

D10

RD5.6ES

<B2>

220K

<2W>

R2 1.0K

C1 220P

<BN>

2SC4236

R140

1.2

<1/2W>

D1FL20U

FH3 PFC5000-0502

FH4 PFC5000-0502

F2 250V

<BET> 3.15A

15V

R316 - R321

100 <1/10W> x 6

R310 - R315

100 <1/10W> x 6

C88

0.1

<F>

C87

470P

<CH>

5V-2

C89

470P

<CH>

I C11-2

uPC393

I C11-1

uPC393

I C13

PS8602

15V

R102

1.6K

<1/4W>

R103 4.7K

<1/10W>

Q91

2SC2412K

<BQ>

R113

1.0K

<1/10W>

R114 27K

<1/10W>

C95

100P

<CH>

R105 2.49K

<1/10W> (1%)

R108 2.87K

<1/10W>

(1%)

DAN217U x 2

D81 D82

R111

R110

R112

R86

R89

R88

195K x 6 (1%)

195K x 6 (1%)

R104

R106

U1JU44 x 3

D301

D302

D303

0.1 <F> x 3

C323

C322

C321

R362 R363 R361 330K <1/10W> x 3

47/35V <PJ> x 3

C305C304

C303

BARE WIRE

SN-PLATED

DIA 0.65MM

18V

TM104

TM105

C116

0.1 <HCP>

R201 220K

<2W>

180K <RN - 1/2W>

(1%) x 2

R400

R440

C409

10/

25V

<PS>

D402

RD3.3ES <B2>

R402 S3.3K

<1/4W>

R401

2.94K

R406

2.87K

<1/10W>

(1%) x 2

C412

0.1

<F>

AC414

0.01

<F>

C411

0.01 <F>

1.0K

<1/10W> x 2

R435

R441

18V

I C400-1

uPC393

18V

-6

18V

10K

<1/10W>

x 2

R407

R403

035

0.01

<F>

036

0.01

<F>

I C400-2

uPC393

R442

3.3K

<1/4W>

R436

3.3K

<1/4W>

I C401

PS2561L-1-V

I C404

PS2561L-1-V

EMI FILTER

RFC-8

C204

1200 450V

UL1015 AWG14

YEL

WHT

PURPLE

BLUE

EMI FILTER

TFC-25

-15-12

C414

SACT32010A

ACTPM

L1 L2 P

UL1015

AWG14

BLACK

UL1015

AWG14

RED

W10

RED

W11

BLACK

C115

0.1

<HCP>

18V

UL1007

AWG24

BROWN

RED

ORANGE

YELLOW

CN407

B4B-XASK

-1-A WHITE

ACTPM CONTROL

C415

0.01

<F>

C413

0.01

<F>

18V

Q401

DTC114EKA

I C402

PS2561L-1-V

R404

510

<1/10W>

R437 270

<1/10W> (1%)

R438 270

<1/10W> (1%)

D101

D25XB60

12V

K101

DW12D1

C111

1.0

<LE>

R200

ZPR0RCH400

RCV2515-010PF05

1 2

N200500K

TM100

C101

1.0

<LE> C106

1.0

<LE>

54 3 2 1

5V C53

0.022

<F>

HY I C1

HU2001

8765432 1

R50

10K

<1/10W>

Q51

2SC2412K

<BQ>

C51

0.022 <F>

R52 1.0K

<1/10W>

R53

10K

<1/10W>

C64

0.1

<F>

R51 27K

<1/10W>

R68 22K

<1/10W>

C60

220/16V

<PJ>

VR1

B2K

5V D60

DAN217U

R56 27K <1/10W>

R61 3.74K

<1/10W> (1%)

R55 1.0K

<1/10W>

R60 1.0K

<1/10W> (1%)

CT1

CT-1B

250V - 5A

<BET>

FH1 FH2

PFC5000-0502

x 2

RCV2515-010PF05

BLACK

GREEN

RED

SA100

RA-302M

SERIAL A

W103

W102 B

BLACK

WHITE

RED

BLUE

BLACK

EARTH

UL1015

AWG16

GREEN

RED

UL1015

AWG20

BLACK

UL1015

AWG20

BLACK

UL1015

AWG14

BLACK

EMI FILTER

RFC-8

F201 TLC

25A - 250V

POWER SOURCE

220 / 240V

50Hz

INDOOR UNIT-A

UL1015

AWG20 x 4

WHITE

BLACK

WHITE

VA101

470V

<TNR>

VA102

470V

<TNR>

FAN CAPACITOR

C200

450V

3.5uF

FAN MOTOR

4-WAY VALVE

F M 1

PRESSURE SWITCH

COMP. THERMOSTAT

L100

I C3-5 M54523

I C3-7 M54523

I C3-1 M54523

I C3-3 M54523

I C3-4 M54523

I C3-2 M54523

I C3-6 M54523

1.5K <1/10W> x 4

R97

R94

R96

R95

12V

C43

C46

C45

C44

C39

0.1

<F>

C37

0.1

<F>

C38

0.1

<F>

R62 10K

<1/10W>

R64 10K

<1/10W>

R66 10K

<1/10W>

R63 6.65K

<1/10W>

(1%)

R65 56K

<1/10W>

(1%)

R67 38.3K

<1/10W>

(1%)

L201

BL02Rn1 5V

BROWN

BLACK

BLUE

CN25 B2B-XAKK-1-A BLACK

CN21 B2B-XH-AM YELLOW

CN22 B2B-XH-AM RED

CN23 B2B-XAEK-1-A BLUE

HEATSINK

TEMP. TH.

DISCHARGED

TEMP. TH.

PIPE

TEMP. TH.

OUTDOOR

TEMP. TH.

R11

10K

<1/10W>

C76

0.1

<F>

R49

10K

<1/10W>

R42 1.0K

<1/10W>

C77

0.1

<F>

I C14-1

uPC393

C74

0.1

<F>

R45 10K

<1/10W>

R44 6.65K

<1/10W>

(1%)

5V R46

2.87K

<1/10W>

(1%)

R47

2.94K

<1/10W>

(1%)

C75

0.1

<F>

C40

0.1

<F>

10K

<1/10W> x 6

R78

R74

R75

R76

R77

R79

R608 10K

<1/10W> 5V

JM207

I C201

BR93LC46

C91

0.01

<F>

R205 10K

<1/10W>

D I

VCC

GND

C20 <PS>

4.7/50V

0.1 <F> x 2

C19 C18

I C 1

MB90F462APFM-

G-204-E1

I C4

TD62064

GND1

GND2

GND3

GND4

COM1

COM2

NC1

NC2

I 4

I 3

I 2

I 1

D28

SLR-332

<RED>

2.2K <1/10W>

R43

K17

G5NB-1A

12V

K11

G5SB-14 K13

G5NB-1A

22 3

CR5

RE1202

RED

BROWN

ORANGE

BLUE

RED

YELLOW

WHITE

EXPANSION VALVE-A

2.2K x 2

<1/10W>

R91

R90

1.0K <1/10W> x 2

R93

R92

C73 C72

0.01 <F> x 2

12V L202

BL02Rn1 0.1 <F> x 2

C70C71

CN27 B6B-XARK-1-A RED

CN38 B2B-XAMK-1-A GREEN

CN37 B2B-XARK-1-A RED

CN30 179844-1 WHITE

CN11 B4P7-VH-B

CR1

RE1202

TERMINAL 2P

CHOKE COIL

L=0.3MH 30A

C114

1.0 <LE>

C107

3.3

<LE>

C104

0.033

<YE>

C105

0.033

<YE>

CONTROLLER PCB ASSEMBLY

AOY12LMAKL : K03AV-0501HUE-C1

AOY14LMAKL : K03AV-0502HUE-C1

OUTDOOR PCB CIRCUIT DIAGRAM

82006.07.14

ERROR CONTENTS

INDOOR UNIT

(1) Stop the air conditioner operation.

(2) Press the master control button and the fan control button si-

multaneously for 2 seconds or more to start the test run.

Test run display

(3) Press the start/stop button to stop the test run.

SELF-DIAGNOSIS

When the error indication "E:EE" is displayed, follow the following

items to perform the self-diagnosis. "E:EE" indicates an error has

occurred.

REMOTE CONTROLLER DISPLAY

(1) Stop the air conditioner operation.

(2) Press the set temperature buttons simultaneously for 5

seconds or more to start the self-diagnosis.

Refer to the following tables for the description of each error

code.

TH FR

Unit number (usually 0)

Error code

EX. Self-diagnosis

(3) Press the set temperature buttons simultaneously for 5

seconds or more to stop the self-diagnosis.

Error code Error contents

Communication error

(indoor unit remote controller)

Communication error

(outdoor unit indoor unit)

Room temperature sensor open

Room temperature sensor short-circuited

Indoor heat exchanger temperature sensor open

Indoor heat exchanger temperature sensor short-

circuited

Outdoor heat exchanger temperature sensor

Power source connection error

Float switch operated

Outdoor temperature sensor

Discharge pipe temperature sensor

Model abnormal

Indoor fan abnormal

Outdoor signal abnormal

Outdoor EEPROM abnormal

Compressor temperature sensor

Pressure switch abnormal

IPM error

Compressor cannot operate

Outdoor fan abnormal

92006.05.24

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