Sharp AY-A079E User manual

AY/AE-A079E

AY/AE-A099E

Page

SPECIFICATIONS ........................................................................................................................................... 2

EXTERNAL DIMENSIONS............................................................................................................................... 3

WIRING DIAGRAMS....................................................................................................................................... 4

ELECTRICAL PARTS ...................................................................................................................................... 5

MICROCOMPUTER CONTROL SYSTEM...................................................................................................... 8

FUNCTIONS ................................................................................................................................................... 9

TROUBLESHOOTING OF THE CONTROL CIRCUIT .................................................................................. 17

REFRIGERATION CYCLE........................................................................................................................... 21

PERFORMANCE CURVES .......................................................................................................................... 23

REFRIGERANT PIPE AINSTALLATION WORKS ......................................................................................... 24

DISASSEMBLING PROCEDURE ................................................................................................................. 25

REPLACEMENT PARTS LIST....................................................................................................................... 29

TABLE OF CONTENTS

SERVICE MANUAL

S2915AYA099E/

SHARP CORPORATION

SPLIT SYSTEM

ROOM AIR CONDITIONERS

INDOOR UNIT

AY-A079E

AY-A099E

AE-A079E

AE-A099E

Intheinterestsofuser-safety(Requiredbysafetyregulationsinsome

countries) thesetshouldberestoredto itsoriginalconditionandonly

parts identical to those specified should be used.

OUTDOOR UNIT

MODELS

AY/AE-A079E

AY/AE-A099E

SPECIFICATIONS

ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT

AY-A079E AE-A079E AY-A099E AE-A099E

Cooling capacity kW 2.1 2.6

Heatpump kW 2.4 3.0

Heating capacity

Moisture removal Liters/h 0.9 1.2

Electrical data

Phase – Single

Rated frequency Hz 50

Rated voltage range V 198 to 264

Rated voltage V 220 - 240

Rated current Cool A 3.2 - 3.1 4.1 - 3.9

Heat A 2.9 - 2.8 4.0 - 3.9

Rated input Cool W 680 - 720 890 - 920

Heat W 630 - 670 880 - 920

Power factor Cool % 97 - 97 99 - 98

Heat % 99 - 99 99 - 98

Compressor Type Hermetically sealed rotary type

Model 2PS134D5AA01 RH174VHET

Oil charge 270cc (SUNISO 4GDID) 300cc (DIAMOND MS56)

Refrigerant system Evaporator Louver fin and Grooved tube type(7mm tube)

Condenser Corrugate Fin and Grooved tube type

Control Capillary tube

Refrigerant volume 690g 730g

De-lce system Micro computer controled reverse sysetm

Noise level High dB(A) 33 43 38 43

(at cooling) Med. dB(A) 29 – 31 –

Low dB(A) 26 – 27 –

Fan system

Drive Direct drive

Air flow quantity High m3/min. 5.8 20 7.1 20

(at cooling) Med. m3/min. 4.9 – 5.3 –

Low m3/min. 4.3 – 4.4 –

Fan Cross flow fan Propeller fan Cross flow fan Propeller fan

Connections

Refrigerant coupling Flare type

Refrigerant tube size Gas, Liquid 3/8", 1/4"

Refrigerant pipe sets No. AZ-24H5E; 5m(16.4ft), AZ-24H7E; 7m(23ft)

Drain piping mm(Inches) O.D ø 18(45/64)

Others

Safety device

Compressor: Overload protector(MRA98589)

Compressor: Overload protector(Internal)

Fan motors: Thermal fuse

Fuse, Micro computer control

Air filters Polypropylene net (Washable)

Net dimensions Width mm 790 720 790 720

Height mm 270 535 270 535

Depth mm 155 236 155 236

Net weight kg 7 27 7 31

Note: The condition of star (

) marked item are ‘IEC 378’.

AY/AE-A079E

AY/AE-A099E

270

790 155

Remote control

58 19.5

182

Length unit (mm)

EXTERNAL DIMENSIONS

Figure E-1. INDOOR UNIT for AY-A079E and AY-A099E

Figure E-2. OUTDOOR UNIT for AE-A079E and AE-E099E

430

720

775

143 55

245

535

278

236

228

20˚

AY/AE-A079E

AY/AE-A099E

WIRING DIAGRAMS

Figure W-1. Wiring Diagram for AY-A079E and AY-A099E

Figure W-2. Wiring Diagram for AE-A079E

THERMISTOR

(PIPE TEMP.)

THERMISTOR

(ROOM TEMP.)

LOUVER

MOTOR

1

2

3

4

5

6CN5

CN3

CN101

BCN1

CN2

BCN2

CN201

RECEIVER

& LED UNIT

SWITCH

UNIT

THERMAL FUSE

TRANSFORMER

CONTROL 

BOARD 

UNIT 2

WH WH

FAN MOTOR 

CAPACITOR

400V 1µF

FAN MOTOR

R.P.M

SIGNAL

BL GR

CN6

CN7

CN4 CN1

SSR

RY2

RY3

(B)

(A)

(F)

(E)

NR

VARISTOR

CONTROL BOARD UNIT 1

OUT

C.T.

IN BK

250V

FUSE 

T2.5A

INDOOR UNIT

TERMINAL 

BOARD 2 OUTDOOR UNIT

TERMINAL

BOARD

EVAPORATOR

THERMAL 

FUSE

TERMINAL

BOARD 1

POWER

SUPPLY

CORD

G(Y)

G(Y) G(Y)

UNIT TO UNIT CORD

BL BK

BL

BR

GR

G(Y)

RE

WH

OR

: BLACK

: BLUE

: BROWN

: GRAY

: GREEN–YELLOW

: RED

: WHITE

: ORANGE

: PURPLE

5

7

1

2

5 3 1

INDOOR UNIT

TERMINAL BOARD2

TERMINAL 

BORAD1

UNIT TOUNIT CORD

OUTDOOR UNIT

TERMINALBOARD

CONDENSER

THERMAL

FUSE

FAN

MOTOR VALVE

COIL

FANMOTOR

CAPACITOR

400V1.5µF

COMPRESSOR

MOTOR

MOTORPROTECTOR

RUNNING

CAPACITOR

370V25µF

BL RE

G(Y)

BK

BL

G(Y)

RE

WH

:BLACK

:BLUE

:GREEN-YELLOW

:RED

:WHITE

AY/AE-A079E

AY/AE-A099E

ELECTRICAL PARTS

For Model AY-A079E and AE-A079E

DESCRIPTION MODEL REMARKS SITE

Compressor 2PS134D5AA01 220/240V, 50Hz, 650W AE

Indoor fan motor ML-A411 220/240V, 50Hz AY

Outdoor fan motor ML-A592 220/240V, 50Hz AE

Indoor fan motor capacitor – 400V, 1µF AY

Outdoor fan motor capacitor – 400V, 1.5µF AE

Running capacitor – 370V, 25µF AE

Transformer – Primary; AC 220V,50Hz AY

Secondary; AC16.1V, 50Hz

Fuse 250V, 2.5A AY

Reverse valve MMB-26A 240V AE

Reverse valve coil RSV-10 – AE

For Model AY-A099E and AE-A099E

DESCRIPTION MODEL REMARKS SITE

Compressor RH174VHET 220/240V, 50Hz, 800W AE

Indoor fan motor ML-A411 220/240V, 50Hz AY

Outdoor fan motor ML-A592 220/240V, 50Hz AE

Indoor fan motor capacitor – 400V, 1µF AY

Outdoor fan motor capacitor – 400V, 1.5µF AE

Running capacitor – 370V, 25µF AE

Transformer – Primary; AC 220V, 50Hz AY

Secondary; AC16.1V, 50Hz

Fuse – 250V, 2.5A AY

Reverse valve MMB-26A 240V AE

Reverse valve coil RSV-10 – AE

Figure W-3. Wiring Diagram for AE-A099E

INDOOR UNIT

TERMINAL BOARD2

TERMINAL 

BORAD1

UNIT TOUNIT CORD

OUTDOOR UNIT

TERMINALBOARD

CONDENSER

THERMAL

FUSE

FAN

MOTOR VALVE

COIL

FANMOTOR

CAPACITOR

400V1.5µF

COMPRESSOR

MOTOR

MOTOR

PROTECTOR

RUNNING

CAPACITOR

370V25µF

BL RE

G(Y)

BK

BL

G(Y)

RE

WH

:BLACK

:BLUE

:GREEN-YELLOW

:RED

:WHITE

AY/AE-A079E

AY/AE-A099E

Figure L-1. Electronic Control Circuit Diagram for AY-A079E and AY-A099E

–

P41 18

P42 17

P43 16

P44 15

P45 14

P46 13

F12

RESET

33 P27

34 P26

35 P25

36 P24

37 P23

38 P22

39 P21

40 P20

41 K1

42 P17

43 P16

44 P15

45 P14

46 P13

47 P12

48 P11

49 P10

50 P07

51 P06

CK1

SM8313

IC1 10

CK2 9

AGND 8

P30 7

P31 6

P32 5

P33 4

P50 3

P51 2

P52 1

P53

TEST

52 P05

53 P04

54 P03

55 P02

56 P01

57 P00

58 GND

59 VDD

60 VR

61 P57

62 P56

63 P55

64 P54

OCS

OUT

P60 28

P61 27

P62

GND 25

P63 24

P64 23

P65 22

P66 21

KH 20

P40

IC3 IC2

IC5

RPM

1 5

C6 

100µ

10v

C5 

0.1µ

50v

C4 

47µ

25v

C3 

0.22µ

50v

C16

0.1µ

50v C14 

0.01µ

16v

C14

1000P

50v

C15

0.1µ

50v

C19

0.01µ

50v

C21

1000P

50v

C7

0.1µ

50v

C23

1000P

50v

C17

1000P

50v

C13

1000P

50v

C8 

10µ

10v

(C102)

0.1µ

25v

C101

33µ

10v

C11

10µ

16v

C10

10µ

16v

C22

1000P

50v

C2 

2200µ

35v

C1 

0.1µ

250vAC NR

R2 

22k

R30 

10k

R22 

R4 

6.8k

R7 

3.3k

R23

33k

R19

10k

R18

15kF

R17

15kF

R5 

2.7k

R24 

4.7k

R21 10k

R20 10k

10k

R31

R32

R33

R34

R35

R36

R37

R38

R39

22k(F)

NONE

22k(F)

R25 

1.2k

R29 330

R41 10k

R40 10k

R28 680

R26

680

R3 

22k

R6 

470 

1/2w

RY1 RY3

RY2

OUT

5V 12V

OUT 7812

D3 D4

C D

A B

13 11

SSR

S201D01

FUSE

2.5A 250V

CNR3

C12 0.01µ250vAC

FAN MOTOR

CAPACITOR

THERMAL

PROTECTOR

IN OUT

RY1

RY2

CNR1

CNR2F

RY3

POWER

SUPPLY

TERMINAL

BOARD 3P

GREEN/YELLOW

EARTH LINE

NEUTRAL LINE

COMPRESSOR

VALVE COIL

OUT DOOR

UNIT

FAN MOTOR

BCN2 BCN1 CN2

CN2

CN1

12V

IC4

12V

BCN1

SSR

CN101

CN201 CN7

CN6

PHOTO DETECTOR UNIT

AUX.

(TEST RUN)

(YELLOW) LED102

(RED) LED101

BCN2

CN3

CN4

BCN1 BCN2

LOUVER MOTOR

FUNCTION 12H / 24H

IC1 PIN NO. 19

(P41)

SYMBOL JP10

AY-A079E X NONE

DEICE

BDEICE

15

(P45)

JP5

14

(P46)

JP4

SWEAT

ON/OFF

8

(P30)

JP6

D. FAN OFF

OFF/ON

17

(P43)

JP9

X NONE

OFF WIDEH

3/5min.

16

(P44)

JP7

X NONE X NONE X NONE

WIRELESS

CHANG/

NORMAL

5

(P33)

JP2

X NONE X NONE

NOTE :

1. : TEST POINT

BCN2

BCN1

D8

5V 5V

12V

TEST

R14

2k(F)

R13

10k(F)

R16

13.7k(F) C9

16V

220µ

C20

50V

1000P

TH1

ROOM TEMP.

15k(25˚C)

TH2

PIPE TEMP.

15k(25˚C)

10V

IC6

JP14

DE. FAN B

12H/24H

SWEAT

PREHEAT

FAN L

FAN M

FAN H

MODEL B

MODEL A

WIRELESS

RPM PLUSE

DEICE B

DEICE A

D. FAN OFF

OFF WIDEH

DE. FAN A

FREEZE B

FREEZE A

POWER ON

JP13

JP12

JP11

JP9

JP7

JP5

JP4 Q1

OCS

8MHz

JP10

JP6

JP3

JP1

JP2

R10

R12

R11

JP8

CN5

IN IN

THERMAL FUSE

GND GND

2. Not specified is 1/5w

USE

RPM

PLUSE

1/3

7

(P31)

JP3

USE

PREHEAT

OFF/ON

6

(P32)

JP1

FAN L

4

(P50)

R10

140k(F)

FAN M

3

(P51)

FAN H

2

(P52)

22k(F)24.9k(F)

MODEL

1

(P53)

R12

133k(F)

MODEL

64

(P54)

R11

X NONE

DE. FAN

33

(P27)

JP14

X NONE

DE. FAN

34

(P26)

JP13

X NONE

FREEZE

35

(P25)

JP12

X NONE

FREEZE

36

(P24)

JP11

X NONE

POWER ON

ON/OFF

40

(P20)

JP8

USE

AY-A099E X NONE X NONE X NONE X NONEUSEUSEUSE USE 140k(F) 15k(F) 1.87k(F)15k(F) 107k(F) X NONE X NONE X NONE X NONE X NONEUSE

–

R15

2.7k(F)

AY/AE-A079E

AY/AE-A099E

Figure L-2. Printed Wiring Board

Thermistor

CN7

CN6

CN101

CN201

Indoor fan motor(R.P.M. Signal)

Indoor fan motor

Terminal board L

Terminal board " 1 "

Transformer BCN2 BCN1 TRANSFORMER

Louver motor

Fan motor capacitor

250V

2.5A

FUSE

INOUT

RY1

RY3

RY2

DPWBFA JBK0(P)

QPWBFB252JBE0(P)

R26

R41

R40

C23

C13

R28

IC2 R29

JP46

CN6

C22

C21

C20

R20

R15

R16

R21

R39

R25

OUT

QPWBFB252JBE0(C)

DPWBFA JBK0(C)

CNR3

C12 C4

IC3

JP49

JP 27

JP42

CN3 CN5

CN4

JP44

JP43

OSC

IC5

JP9

JP48

JP47

R11

R12

R35

C15

R10 C101

SW201

TEST

RUN AUX.

SW202

CN101

CN201

LED101 LED102

RECEIVER UNIT

QPWBFB124JBE0

QPWBFA652JBE0

OPERATION

(RED) TIMER

(YELLOW)

JP3

JP2

JP6

R36

R34

R32

R31

MODEL A

MODEL B

FAN H

FAN M

FAN L

WIRELESSL

D. FAN OFF

12H / 24H

OFF WIDEH

DEICE B

DEICE A

RPM PULSE

SWEAT

CN7

C5 C3

CN1

FAN LOUVER

OUT

MOTOR RPM SIGNAL

THERMISTOR

MOTOR

GRAY

(B)

SSR

25 7

51 1

52 64

16 9

IC4

D1 CN2

BCN1 (TRANSFORMER)

C1 NR

FAN MOTOR

CAPACITOR

(D)

CNR1

CNR2

VALVE

PURPLE

ORANGE

OUT DOOR

FAN MOTOR(F)

(E) 2

COIL

(C1)

(A1)

BLUE

(FAN MOTOR CAPACITOR)

511

JP38

JP39

IC1

POWER ON

FREEZE A

FREEZE B

DE.FAN A

DE.FAN B

JP8

JP11

JP13

JP14

R23

R24

JP50

JP33

JP4

JP5

JP7

R19

JP10

C19

C16

R22

JP12

JP51

BCN2 JP35

JP41

JP40

R38

R37 R33

JP1

PREHEAT

JP34

C14

C18

JP37

JP36

IC6

C17

FPWBFA134JBK0

FPWBFA013JBK0

FSGY-A141JBK0

C10

R30 R18

R17 C11

11 3

R14

R13

D7 D8

GND 12V

GND

12V

DIP DIP

AY/AE-A079E

AY/AE-A099E

Pin Terminal Input

No. Name Output Function

33 P27 IN MODEL 4

34 P26 IN MODEL 3

35 P25 IN MODEL 2

36 P24 IN MODEL 1

37 P23 IN SWITCH AUX.

38 P22 IN SWITCH TEST RUN

39 P21 IN –

40 P20 IN POWER ON

41 KI IN WIRELESS SIGNAL

42 P17 OUT LED OPERATION

43 P16 OUT LED TIMER

44 P15 OUT –

45 P14 OUT –

46 P13 OUT (VALVE COIL)

47 P12 OUT (OUT DOOR FAN)

48 P11 OUT RY1

49 P10 OUT SSR

50 P07 OUT LOUVER MOTOR

51 P06 OUT LOUVER MOTOR

52 P05 OUT LOUVER MOTOR

53 P04 OUT LOUVER MOTOR

54 P03 OUT –

55 P02 OUT –

56 P01 OUT –

57 P00 OUT –

58 GND IN 0V

59 VDD IN 5V

60 VR IN 5V

61 P57 IN (CURRENT LEVEL)

62 P56 IN TH1

63 P55 IN TH2

64 P54 IN MODEL A

Microcomputer (IC1)

The microcomputer is a CMOS, one chip, 8-bit microcomputer.

Microcomputer port allocation is as follows.

Pin Terminal Input

No. Name Output Function

1 P53 IN MODEL B

2 P52 IN FAN H

3 P51 IN FAN M

4 P50 IN FAN L

5 P33 IN WIRELESS

6 P32 IN PREHEAT

7 P31 IN PRM PLUSE

8 P30 IN SWEAT

9 AGND IN 0V

10 CK2 IN OSILLATION

11 CK1 IN OSILLATION

12 RESET IN RESET

13 F OUT BUZZER

14 R46 IN DEICE A

15 R45 IN DEICE B

16 R44 IN COMP. OFF WIDTH

17 R43 IN DEHUM. FAN OFF

18 R42 IN TEST 1

19 R41 IN –

20 R40 IN –

21 KH IN PRM SIGNAL

22 P66 IN –

23 P65 IN –

24 P64 IN –

25 P63 IN AC CLOCK

26 GND IN 0V

27 P62 IN –

28 P61 OUT EEPROM CLOCK

29 P60 IN EEPROM DATA

30 OSC IN –

31 OSC OUT –

32 TEST IN –

AY/AE-A079E

AY/AE-A099E

FUNCTIONS

1. Temperature control characteristic

1-1 COOL operation

In the “COOL” mode, the thermostat circuit is

controlled by four thermostat lines (C1 thru C4).

1-3 HEAT operation

In the “HEAT” mode, the thermostat circuit

is controlled by six thermostat lines (H01 thru

H4).

Figure Y-1

1-2 DRY operation

In the “DRY” mode, the thermostat circuit is

controlledbythreethermostatlines(D1thruD3).

Figure Y-3

2. Operation modes

2-1 COOL operation

Thecompressorturnsonoroff,atthethermostat

lines C3 and C4. The outdoor fan motor is also

controlled with the compressor.

Figure Y-4

Figure Y-2

Preset temperature (˚C)

H02

H01

18 32

Room temperature(˚C)

Room temperature

Preset temperature

Room 

temperature

transition

States 1 & 3 : Compressor ON

State 2 : Compressor OFF

18 32

17.5

18.5

19.5

20.5

31.5

32.5

33.5

34.5

Preset temperature (˚C)

Room temperature (˚C)

Room temperature(˚C)

Preset temperature (˚C)

18 32

17.5

18.5

19.5

31.5

32.5

33.5

AY/AE-A079E

AY/AE-A099E

Figure Y-6

2-4 Fan only operation

The indoor fan motor always turns on.

3. Fan speed

Fan speeds are given by the indoor fan motor, "H",

“M”, “L”, “UL” and "D" which are available in the

following operation mode.

Table Y-2

FAN Switch HEAT COOL FAN ONLY

HIGH H M M

LOW M L L

SOFT L UL UL

2-3 Heat operation

Thecompressorturnsonoroff,atState 2 ,turns

on continuously at State 1 & 3 .

Figure Y-5

Table Y-1

Compressor Fan Speed

Cooling zone ON “UL”

Dehumidifying ON “D”

zone

Circulating OFF “D” or OFF

zone

2-2 DRY operation

On the switch on, the compressor always starts

to operate for 2 minutes with fan speed “D”

(slower than “UL”).

Themicrocomputerreadstheroom temperature

2 minutes after this first compressor operation.

This room temperature is set as the preset

temperature automatically.

The preset temperature ranges from 18˚C to

32˚C.Whentheroomtemperatureisbelow18˚C,

thepresettemperatureis set to 18˚C, andwhen

the room temperature is over 32˚C, the preset

temperature is set to 32˚C.

Dryoperationisdividedintothreezones(Cooling

zone,DehumidifyingzoneandCirculating zone)

by thermostat lines (D1 to D3), and the

compressor and the fan motor are controlled in

each zone as shown in Table Y-1.

Room temperature

Preset temperature

Room 

temperature

transition

States 1 & 5 : Cooling zone

States 2 & 4 : Dehumidifying zone

States 3 : Circulating zone

Room temperature

Preset temperature

Room

temperature

transition

States 1 & 3 : Compressor ON

States 2 : Compressor OFF/(ON)

(Hot-keep function)

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