Sharp AH-N45DP2 User manual

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

INDOOR UNIT

AH-N45DP2

AH-N56DP2

OUTDOOR UNIT

MODELS

SERVICE MANUAL

S3314AHN56DP2

SHARP CORPORATION

In the interests of user-safety (Required by safety regulations in some

countries) the set should be restored to its original condition and only

parts identical to those specified should be used.

SPLIT SYSTEM

ROOM AIR CONDITIONERS

AU-N45DP2

AU-N56DP2

TABLE OF CONTENTS

Page

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

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

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

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

MICROCOMPUTER CONTROL SYSTEM .......................................................................................................6

FUNCTIONS ...................................................................................................................................................10

TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT ................................................................................ 16

REFRIGERATION CYCLE .............................................................................................................................. 20

PERFORMANCE CURVES ............................................................................................................................21

REFRIGERANT PIPE INSTALLATION WORKS .............................................................................................21

DISASSEMBLING PROCEDURE ...................................................................................................................22

REPLACEMENT PARTS LIST ........................................................................................................................31

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

SPECIFICATIONS

ITEMS INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT

AH-N45DP2 AU-N45DP2 AH-N56DP2 AU-N56DP2

Cooling capacity kW 5.0 6.3

Moisture removal Liters/h 1.9 2.5

Electrical data

Phase – Single

Rated frequency Hz 60

Rated voltage V 220

Rated current Cool A 8.5 10.7

Rated input Cool kW 1.82 2.29

Power factor Cool % 97 97

Compressor Type Hermetically sealed rotary type

Model PH28NNBT PH33NPBT

Oil charge 670cc (DIAMOND MS 32(N-1)) 900cc (DIAMOND MS 32(N-1))

Refrigerant system Evaporator Louver fin and Grooved tube type

Condenser Corrugate fin and Grooved tube type

Control Capillary tube

Refrigerant volume

1300g 1570g

Capillary tube size

Outer dia.

mm – 3.2 – 3.5

Inner dia.

mm – 2.0 – 2.2

Length mm – 400 – 800

Q'ty – 1 – 1

Noise level High dB(A) 40 52 44 54

(at cooling) Med. dB(A) 36 – 39 –

Low dB(A) 34 – 37 –

Fan system

Drive Direct drive

Air flow quantity High m3/min. 15.3 48 18.1 50

(at cooling) Med. m3/min. 13.4 – 15.0 –

Low m3/min. 11.3 – 13.7 –

Fan Cross flow fan Propeller fan Cross flow fan Propeller fan

Connections

Refrigerant coupling Flare type

Refrigerant tube size Gas, Liquid 1/2", 1/4" 5/8", 1/4"

Drain piping mm O.D ø 20

Others

Safety device

Compressor: Overload protector(Internal) Compressor: Overload protector(Internal)

Fan motors: Thermal protector (Internal)

Fuse, Micro computer control

Air filters Polypropylene net (Washable)

Net dimensions Width mm 1040 890 1040 890

Height mm 325 645 325 645

Depth mm 220 327 220 327

Net weight kg 16 51 16 60

Note: The condition of star ( ) marked item are ‘CNS 14464 B7291 : T1’.

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

570

645

202

122

320

342

890 29037

172 25

62 46.3

10.5

ø4.5

EXTERNAL DIMENSIONS

Figure E-1. INDOOR UNIT

Figure E-2. OUTDOOR UNIT

220

1600

Power supply cord

[Length unit : mm]

325

1040

Remote controller

18.5

140

TEMP.

INVERTER AIR CONDITIONER

TEMP.

MODE

FAN

TIMER

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

WIRING DIAGRAMS

Figure W-1. Wiring Diagram for AH-N45DP2

Figure W-2. Wiring Diagram for AU-N45DP2

室内機室外機

黒

藍

端子板

端子板機

組

間

配

線

電源

單相

端子板

茶

藍

緑-黄

風扇馬達

電容器

回轉數

檢出信号

風扇馬達

紅黒藍

導風板

馬達

室温用

恒温器

熱交用

恒温器

控

制

基

板

受信基板

指示

基板1

指示基板2

指示基板3

電源變厭器

保險絲

内部温度控制器

内部

温度

控制器

In Out

2.5或3A

400或430V

内部清洗按鈕2

内部清洗按鈕1

離子簇

産生器

注意！

高厭電

蒸發器

CB806

L電源

單相

機組間配線

端子板

緑-黄

紅

黒

内部温度控制器

風扇馬達

黒

藍

風扇馬達電容器

藍

紅白

運轉電容器

内部過載継電器

厭縮機

370

或

400V

35μF

控制接地

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

Figure W-3. Wiring Diagram for AH-N56DP2

Figure W-4. Wiring Diagram for AU-N56DP2

室内機室外機

端子板端子板

機

組

間

配

線

茶

電源

單相

端子板

緑-黄

藍

紅

茶

保險絲

控

制

基

板

風扇馬達

電容器

藍

黒

紅

回轉數

檢出信号

内部

温度

控制器

風扇馬達

導風板

馬達

室温用

恒温器

熱交用

恒温器内部温度控制器

電源變厭器

指示

基板1

受信基板

指示基板3

指示基板2

2.5或3A

250V

400或430V

内部清洗按鈕1

内部清洗按鈕2

離子簇

産生器

注意！

高厭電

蒸發器

L電源

單相

機組間配線

端子板

黄

茶

藍

緑-黄内部温度控制器

風扇馬達

黒藍

藍

風扇馬達電容器

藍運轉電容器

白

紅

藍

紅

黒

内部過載継電器

厭縮機

継電器

CB807

370

或

400V

35μF

控制接地

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

Part Part Name Items Specifications

No. AH-N45DP2 AH-N56DP2

1Terminal Board Rating 300V 25A

2Fan motor Rating 400V or 430V 2µF

Capacitor

3Relay Rating RY1 AC250V 20A RY4 AC250V 5A

Coil Volt.; 12V Coil Volt.; 12V

4Printed Wiring Material Paper Base Phenolic Resin (UL 94V-0)

Board

5Transformer Rating Pri 220 - 240VAC Sec. 16.8V DC 0.29A

6Fan motor Rating 220 - 230VAC 60Hz 41W 4-Pole

Type MLB038

Thermal

Protector

Cut off 135±10˚C

(Internal)

7Power Supply Rating 20A 250V 12AWG

Cord Type SJT12AWGSJT12 (12AWGX3)

8Louver Motor Rating DC12V 250

Type MP35EA

Part Part Name Items Specifications

No. AU-N45DP2 AU-N56DP2

1Terminal Board Rating 300V 25A

2Fan motor Rating 450V 3µF 450V 3µF

Capacitor

3Running Rating 370V or 400V 35µF 370V or 400V 35µF

Capacitor

4Compessor Rating AC208 - 230V 60Hz 1250W AC208 - 230V 60Hz 1600W

Type PH28NNBT PH33NPBT

5 Fan motor Rating 220VAC 60Hz 63W 6-Pole 220VAC 60Hz 86W 6-Pole

Type MLB027 MLB028

Thermal protector Cut off 135˚C±5˚C

(Internal)

6Relay Rating – AC250V 30A

Coil volt: 200 -240V

ELECTRICAL PARTS

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

MICROCOMPUTER CONTROL SYSTEM

Figure L-1. Electronic Control Circuit Diagram for AH-N45DP2

MODE

13K

R37

L 1

9.1K

R45

1/2W

10K

D14

25V

C29

NF1

6.8K

R41

100

SSR1

C31 1W

275V

0.033

Q8 Q7

JP21

NR1

CN9

THERMOSTAT

INTERNAL

CN8

CN7

CN6

CN5

CN3

CN2

CN1

CLUSTER

R35

3.3K

R40

R39

10K

CLEANING

SWITCH 1

SWITCH 2

CLEANING

D8D9

0.01

C22

16V

0.01µ

C10

16V

22K

20K

22K

R27

1/2W

470

R30 SSR2

12V

25V

C24

SW101

IC4

10K

R29

R28 1.8K

BZ1

RY1

SSR1

1/2W 470

IC5

16V

220µ

10K(F)

25V

0.1µ

MOTOR

LOUVER

HOLE

FAN

MOTOR

JP3

JP2

JP1

MB89537A

IC6

10K

13K

25V

0.1

50V

IC1

(PATTERN SIDE)

400V

0.01µ

16V

JP5

JP4

0.01

OSC1

FRONT

P21

P22

P23

P24

P25

P26

P27

MOD1

MOD0

RST

Vcc

P45

P46

P47

AN0

AN1

AN2

AN3

AN4

AN5

AN6

AN7

AVR

P60

P61

P62

P63

P64

P31

P32

P33

P34

P35

P36

P37

P40

P41

P42

P43

P44

P30

P00

P01

P02

P03

P04

P05

P06

P07

P10

P11

P12

P13

P14

P15

P16

P17

P20

AVcc

AVss

Vss

50V 1000p

680

10K 10K

16V16V

10k

(F) 10K

(F)

1TH2

PIPE TEMP

15kΩ(25˚C).

TH1

ROOM TEMP

10kΩ(25˚C).

FAN

MOTOR

2µ

2.7K(F)

35V

1000µ

50V

0.1µ

7812

IC2

25V

47µ

7805

0.1µ

IC3

25V 10V

100µ

D1?4

GND

22.6K(F)

3.3K

IC8

0.1µ25V

16V 0.01µ

TR1

C4 C5

C6 C8

C11

C13

C14

C15 C17

C18

C19

C20

C21

C23

C25

R7 R8

R10

R13 R14

R15

R16

R18 R19

R20 R21

R22 R23

R24

R25

R26

R32

R34

10K

16V

0.01µ

6.8K

R12

47K

R11

10MHz

JP10

JP11

JP12

JP13

JP18

10K

0.01µ

16V

0.01

16V

R17

3.3K

13K

C27

C12

SW1 : AUX.(TEST RUN)

C16

25V

0.1

R31R33

C26

BCN1

R37

1K(F)

0.1µ

D12

R108

(TIMER)

LED102

LED101

(OPERATION)

GR LED107

(CLUSTER)

134256

R107

(FAN L)

(FAN M)

(FAN H)

(FAN AUTO)

LED106

LED105

LED104

LED103

2.7K

R102

R101

1/2W

C102

C101

0.1µ

25V

33µ

10V

IC101

BCN101

R103

R104

R105

R106

620

1/2W

CN10

CN103

BCN102

CN102

CN101

275V

0.1

275V C28

SSR2

JP9

JP8

JP7

JP19

DEIC

E 1

DEIC

E 2

DRY

FAN

PIPE

NONENONENONENONE

JP7 JP8 JP9 JP10 JP11 JP12 JP13

TEST

NONE

JP6

NONE 15K 15K 15K

JP18 JP19

LOUVOUT

FAN

CLUS

TER ER

R19 R21 R23

FAN2FAN1

HEAT COOL

MODE

R38

PWR

LESS

WIRE

SWE-

KEEP

HOT

DEF.

SYMBOL

JP2 JP3 JP4 JP5JP1

OUT

RY1

WPE1

250V

2.5A

BOARD

TERMINAL

PHASE

SINGLE

SUPPLY

POWER

TERMINAL

BOARD

UNIT

OUTDOOR

NONENONEUSE USE USE USE USE USENONE

CT1

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

igure L-2. Printed Wiring Diagram for AH-N45DP2

FB441

TO TERMINAL

BOARD TOPN

TO TERMINAL BOARD

TOPN

TO TERMINAL BOARD

BOTTOMN

FROM TERMINAL

BOARD TOP1BLACK



FROM

TERMINAL

BOARD BOTTOM

LBROWN

FROM FAN MOTOR

FROM

FAN MOTOR

FROM CLUSTER GENERATOR

FROM

CLUSTER

GENERATOR

FROM CLEANING SWITCH 1

FROM

CLEANING

SWITCH 2

FROM THERMISTOR

FROM LOUVER MOTOR

BCN101(BCN201)

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

Figure L-3. Electronic Control Circuit Diagram for AH-N56DP2

R37

13K

MODEHOT

KEEP

SWE-

WIRE

LESS

PWR

DEIC

TEST

NONE NONE NONE NONE

JP13JP12JP11JP10

JP9JP8JP7

PIPE

FAN

DRY

E 2

DEIC

E 1

NONE

JP6

COOLHEAT

FAN1 FAN2

R23R21R19

ERTER

CLUS

FAN

OUT LOUV

JP19

NONE 15K15K

JP18

MODE

R38

NONE USE USE USE USE USEUSENONE NONE

JP1 JP5JP4JP3JP2

SYMBOL

DEF.

1/2W

R4547

OUTDOOR

UNIT

BOARD

TERMINAL

POWER

SUPPLY

SINGLE

PHASE

TERMINAL

BOARD

2.5A

250V

WPE1

BCN1

C26

R33 R31

0.1µ25V

C16

SW1 : AUX.(TEST RUN)

C12

R37

C27

13K 3.3K

R17

16V 0.01µ

10K

JP18

JP13

JP12

JP11

JP10

10MHz

R11 47K

R12 6.8K

0.01µ

16V

16V 10K

R34 R32

R26

R25

R24

R23

R22

R21

R20

R19

R18

R16

R15

R14

R13

R10

C25

C23

C21

C20

C19

C18

C17C15

C14

C13

C11

C8C6

TR1

0.01µ

16V

25V

0.1µ

IC8

3.3K

22.6K(F)

GND

D1?4

100µ

10V

25V

IC3

0.1µ

7805

47µ

25V

IC2

7812

0.1µ

50V

1000µ

35V

2.7K(F)

2µ

MOTOR

FAN

(F)

10K

(F)

10k

10µ

16V 16V

10µ

10K10K

680

1000p

50V

Vss

AVss

AVcc

P20

P17

P16

P15

P14

P13

P12

P11

P10

P07

P06

P05

P04

P03

P02

P01

P00

P30

P44

P43

P42

P41

P40

P37

P36

P35

P34

P33

P32

P31

P64

P63

P62

P61

P60

AVR

AN7

AN6

AN5

AN4

AN3

AN2

AN1

AN0

P47

P46

P45

Vcc

RST

MOD0

MOD1

P27

P26

P25

P24

P23

P22

P21

FRONT

OSC1

SSR1

0.01µ

JP4

JP5

16V 0.01µ

400V

(PATTERN SIDE)

IC1

50V

1µ

0.1µ25V

13K

10K

IC6

MB89537A

JP1

JP2

JP3

MOTOR

FAN

HOLE

3LOUVER

MOTOR

0.1µ

25V

D6 +

10K(F)

220µ

16V

8IC5

470

1/2W

SSR1

RY4

BZ1

1.8K

R28

R29

10K

IC4

2SW101

C24

25V

12V

SSR2

R30

470

1/2W 2

R27

22K

20K

22K

16V

C10

0.01µ

16V

C22

0.01µ

D9 D8

CLEANING

SWITCH 2

SWITCH 1

CLEANING

10K

R39

R40

3.3K

R35

CLUSTER

CN1

CN2

CN3

CN5

CN6

CN7

CN8

INTERNAL

THERMOSTAT

CN9

NR1

JP21

Q7Q8

820(F)

0.1µ

D12

1/2W

620

620 R106

R105

R104

R103

BCN101

IC101

10V

33µ25V

0.1µ

C101 C102

1/2W

R101

R102

2.7K

LED103

LED104

LED105

LED106

(FAN AUTO)

(FAN H)

(FAN M)

(FAN L)

R107

65 243 1

(CLUSTER)

LED107

GR BL

(OPERATION)

LED101

LED102

(TIMER)

R108

CN103

BCN102

CN102

CN10

CN101

275V

0.1µ

SSR2

C28

275V

0.1µ

JP9

JP8

JP7

JP19

R38

100

R41

C31

0.033µ

275V

6.8K

NF1

D14

C29

47µ

25V

10K

275V

RY4

R44

0.01µ

C34

47K 5.1K

CT1

TH1 PIPE

TEMP.

10kΩ(25˚C)

TH2 PIPE

TEMP.

15kΩ(25˚C)

AH-N45DP2

AU-N45DP2

AH-N56DP2

AU-N56DP2

igure L-4. Printed Wiring Diagram for AH-N56DP2

FB441

TO TERMINAL BOARD

TOPN

TO TERMINAL BOARD

TOPN

TO TERMINAL BOARD

BOTTOMN

TO TERMINAL

BOARD TOP

2

TO TERMINAL

BOARD BOTTOM

L

FROM FAN MOTOR

FROM

FAN MOTOR

FROM CLUSTER GENERATOR

FROM

CLUSTER

GENERATOR

FROM CLEANING SWITCH 1

FROM

CLEANING

SWITCH 2

FROM THERMISTOR

FROM LOUVER MOTOR

BCN101(BCN201)

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