Sharp AU-MP14 User manual

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

EXTERNAL DIMENSIONS.................................................................................................................................4

WIRING DIAGRAMS..........................................................................................................................................5

ELECTRICAL PARTS........................................................................................................................................6

MICROCOMPUTER CONTROL SYSTEM.........................................................................................................7

PRINTED WIRING DIAGRAM............................................................................................................................8

FUNTIONS........................................................................................................................................................10

TROUBLESHOOTING......................................................................................................................................14

REFRIGERATION CYCLE AND PERFORMANCE CURVES..........................................................................16

DISASSEMBLING PROCEDURE.....................................................................................................................17

REPLACEMENT PARTS LIST..........................................................................................................................25

SERVICE MANUAL

SPLIT SYSTEM

ROOM AIR CONDITIONER

INDOOR UNIT OUTDOOR UNIT

AH-129 AU-129

AH-MP14 AU-MP14

SHARP CORPORATION

CONTENTS

OUTDOOR UNIT

AU-A18FV

AU-A24FV

SHARP CORPORATION

Page

CHAPTER 1. PRODUCT SPECIFICATION

[1] SPECIFICATION

1. AH-129 / AU-129

ITEMS INDOOR UNIT OUTDOOR UNIT

H-129 AU-129

Cooling capacity kW 3.50

Moisture removal Liters/h –

Electrical data

Phase Single

Rated frequency Hz 50

Rated voltage V 220

Rated current A5.1

Rated input * W 1090

Power factor % 97 - 99

Compressor Type Hermetically sealed rotary type

Model RH207VXGT

Oil charge 520cc (DIAMOND MS56)

Refrigerant system Evaporator Slit fin and Grooved tube type

Condenser Slit fin and Grooved tube type

Control Capillary tube

Refrigerant volume 960g

Noise level High dB(A) 39 48

Mid. dB(A) 33 –

Low dB(A) 29 –

Fan s

stem

Drive Direct drive

Air flow quantity High m3

min. 10.2 27

Mid. m3

min. 9.6 –

Low m3

min. 8.7 –

Fan Cross flow fan Propeller fan

Connections

Refri

erant cou

lin

Flare t

Refri

erant tube size Gas, Li

uid 3

8" , 1

Drain piping mm O.D 18

Others

Safety device Compressor : Internal protector

Fan motor : Thermal fuse / Protector

Fuse, Micro computer control

Air filters Polypropylene net (Washable)

Net dimensions Width mm 790 730

Height mm 278 540

Depth

Net weight mm

kg 198

10 250

2. AH-MP14 / AU-MP14

ITEMS INDOOR UNIT OUTDOOR UNIT

H-MP14 AU-MP14

Cooling capacity kW 3.50

Moisture removal Liters/h –

Electrical data

Phase Single

Rated frequency Hz 50

Rated voltage V 220

Rated current A5.1

Rated input * W 1090

Power factor % 97 - 99

Compressor Type Hermetically sealed rotary type

Model RH207VXGT

Oil charge 520cc (DIAMOND MS56)

Refrigerant system Evaporator Slit fin and Grooved tube type

Condenser Slit fin and Grooved tube type

Control Capillary tube

Refrigerant volume 960g

Noise level High dB(A) 39 48

Mid. dB(A) 33 –

Low dB(A) 29 –

Fan s

stem

Drive Direct drive

Air flow quantity High m3

min. 10.2 27

Mid. m3

min. 9.6 –

Low m3

min. 8.7 –

Fan Cross flow fan Propeller fan

Connections

Refri

erant cou

lin

Flare t

Refri

erant tube size Gas, Li

uid 3

8" , 1

Drain piping mm O.D 18

Others

Safety device Compressor : Internal protector

Fan motor : Thermal fuse / Protector

Fuse, Micro computer control

Air filters Polypropylene net (Washable)

Net dimensions Width mm 790 730

Height mm 278 540

Depth

Net weight mm

kg 198

10 34

250

φφ

[2] EXTERNAL DIMENSION

1. Indoor unit (AH-129 / AH-MP14)

2. Outdoor unit (AU-129 / AU-MP14)

278

198790

250

165

167.5

136

730

540

299

324

515

37.5

4.5

135

[3] WIRING DIAGRAM

Indoor Unit (AH-129)

Indoor Unit (AH-MP14)

Outdoor (AU-129 / AU-MP14)

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CHAPTER 2. ELECTRIC CIRCUIT

[1] ELECTRIC PARTS

1. AH-129 / AU-129

DESCRIPTION MODEL REMARKSSITE

Compressor RH207VXGT 220V, 50Hz, 1120W OUTDOOR

Indoor fan motor CMOT-A448JBKZ 220 - 240V , 50Hz INDOOR

Outdoor fan motor CMOTLB182JBEZ 220 - 240V , 50/60Hz OUTDOOR

Indoor fan motor capacitor — 450V, 2µFINDOOR

Outdoor fan motor capacitor — 400V, 2µFOUTDOOR

Running capacitor — 400V, 30µFOUTDOOR

Transformer — Primary ; AC 220 /240V 50Hz

Secondary ; AC15.3V , 50Hz INDOOR

—

Fuse — 250V, 2.5A INDOOR

2. AH-MP14 / AU-MP14

DESCRIPTION MODEL REMARKSSITE

Compressor RH207VXGT 220V, 50Hz, 1120W OUTDOOR

Indoor fan motor CMOT-A448JBKZ 220 - 240V , 50Hz INDOOR

Outdoor fan motor CMOTLB182JBEZ 220 - 240V , 50/60Hz OUTDOOR

Indoor fan motor capacitor — 450V, 2µFINDOOR

Outdoor fan motor capacitor — 400V, 2µFOUTDOOR

Running capacitor — 400V, 30µFOUTDOOR

Transformer — Primary ; AC 220 /240V 50Hz

Secondary ; AC15.3V , 50Hz INDOOR

—

Fuse — 250V, 2.5A INDOOR

[2] MICRO-COMPUTER CONTROL SYSTEM

1. Electronic Control Diagram

Indoor unit (AH-129 / AH-MP14)

2. PRINTED WIRING DIAGRAM

2.1 Indoor (AH-129)

2.2 Indoor (AH-MP14)

CHAPTER 3. FUNCTIONS

[1] FUNCTION

TEMPERATURE CONTROL

CHARACTERISTIC 1.1. COOL operation 2.2. DRY

On the switch on, the compressor always starts to operate for 2

minutes with fan speed "DL".

In the "COOL" mode, the thermostat circuit is controlled by five

thermostat lines (C1 thru C5). The microcomputer reads the room temperature 2 minutes after

this first compressor operation.

This room temperature is set as the preset temperature

ttill

The preset temperature ranges from 18 C to 32 C. When the room

temperature is below 18 C, the preset temperature is set to 18 C,

and when the room temperature is over 32 C, the preset

temperature is set to 32 C.

Dry operation is divided into three zones (Cooling zone,

Dehumidifying zone and Circulating zone) by thermostat lines (D1

to D3), and the compressor and the fan motor are controlled in

each zone as shown in Table.

18 32

Preset temperature (C )

1.2. DRY

In the "DRY" mode, the thermostat circuit is controlled by three

thermostat lines (D1 thru D3).

18 32

Preset tem

erature

(

)

Compressor Fan speed

Cooling zone (1) & (5) ON "DH"

Dehumidifying zone (2) & (4) ON "DL"

Circulating zone (3) OFF "DL" or OFF

18 32

Preset tem

erature

(

)

FAN SPEED

Fan speeds are given by the indoor fan motor, "DL"~"CH" which

are available in the following operation mode.

OPERATION MODES

2.1. COOL operation NOTE: Fan speed may be changed, without warning.

Fan

speed Fan switch Fan switch

(AUTO) AH-129 / AH-MP14

(r.p.m)

The compressor turns on or off, at the thermostat lines C3 and

C4. The outdoor fan motor is also controlled with the compressor. DL —DRY 800

DH —890

CL COOL LOW — 800

CAL —COOL 840

CM COOL MID 980

CAH —1020

CH COOL HIGH — 1170

FREEZE PREVENTIVE

When the indoor pipe temperature falls below 3 C cool or dry

operation for 3 minutes or more, the compressor is turned off.

When the indoor pipe temperature rises above 7 C in cool or dry

operation for 3 minutes or more, the compressor is turned on.

18 32

Preset tem

erature

(

)

°°

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