Sharp AY-XPC18LR Manuale utente

SERVICE MANUAL

AYXPC18LR

S3011AYXPC8LRT

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the

safety and performance of the set.

This document has been published to be used for

after sales service only.

The contents are subject to change without notice.

CHAPTER 1. PRODUCT SPECIFICATIONS

[1] SPECIFICATION ...........................................1-1

[2] EXTERNAL DIMENTIONS ............................1-3

[3] WIRING DIAGRAMS .....................................1-5

[4] ELECTRICAL PARTS....................................1-5

CHAPTER 2. EXPLANATION OF CIRCUIT AND OP-

ERATION

[1] BLOCK DIAGRAMS ......................................2-1

[2] MICROCOMPUTER CONTROL SYSTEM........2-3

[3] FUNCTION ....................................................2-8

CHAPTER 3. FUNCTION AND OPERATION OF PRO-

TECTIVE PROCEDURES

[1] TROUBLESHOOTING GUIDE ......................3-1

[2] CHART ..........................................................3-2

CHAPTER 4. REFRIGERATION CYCLE

[1] REFRIGERATION CYCLE............................. 4-1

[2] PERFORMANCE CURVES ........................... 4-2

[3] REFRIGERANT PIPE INSTALLATION

WORKS ......................................................... 4-3

CHAPTER 5. DISASSEMBLING PROCEDURE

[1] INDOOR UNIT ............................................... 5-1

[2] OUTDOOR UNIT ........................................... 5-5

Parts Guide

TopPage

CONTENTS

MODELS

SPLIT TYPE

ROOM AIR CONDITIONER

INDOOR UNIT

AY-XPC18LR

AY-XP24LR

OUTDOOR UNIT

AE-X18LR

AE-X24LR

AYXPC18LR

1 – 1

AYXPC18LR ServiceManual



CHAPTER 1. PRODUCT SPECIFICATIONS

[1] SPECIFICATION

1. AY-XPC18LR – AE-X18LR

NOTE: The conditions of star”✩” marked item are based on “EN14511”.

MODEL INDOOR UNIT OUTDOOR UNIT

ITEMS AY-XPC18LR AE-X18LR

Cooling capacity (Min– Max.) kW 5.00 (1.40 - 5.70)

Heating capacity (Min–Max.) kW 5.70 (1.10 - 8.00)

Moisture removal (at cooling)✩Liters/h 1.6

Electrical data

Phase Single

Rated frequency Hz 50

Rated voltage V 220-240

Rated current ✩

(Min - Max.)

Cool A 6.6 (1.4 - 8.5 )

Heat A 6.8 (1.3 - 10.7)

Rated input ✩

(Min - Max.)

Cool W 1470 (260- 1890)

Heat W 1510 (240 - 2380)

Power factor ✩Cool % 97

Heat % 97

Compressor Type Hermetically sealed rotary type

Model C-6RVN103H0Q

Oil charge FREOALALF68SZ 600cc

Refrigerant system Evaporator Louver Fin and Grooved tube type

Condenser Corrugate Fin and Grooved tube type

Control Expansion valve

Refrigerant (R410A) 1100g

De-lce system Micro computer controled reversed systems

Noise level

( cooling)

High dB(A) 43 49

Low dB(A) 39 –

Soft dB(A) 33 –

Fan system

Drive Direct drive

Air flow quantity

(cooling)

High m3/min. 14.4 44.3

Low m3/min. 12.1 –

Soft m3/min. 9.5 –

Fan Centrifugal fan Propeller fan

Connections

Refrigerant coupling Flare type

Refrigerant tube size Gas, Liquid 1/2”, 1/4"

Drain piping mm O.D φ16

Others

Safety device Compressor: Thermal protector

Fan motors: Thermal fuse

Fuse, Micro computer control

Air filters Polypropylene net (Washable)

Net dimensions Width mm 1040 850

Height mm 325 710

Depth mm 222 330

Net weight kg 12 49

AYXPC18LR

1 – 2

2. AY-XP24LR / AE-X24LR

NOTE: The conditions of star”✩” marked item are based on “EN14511”.

MODEL INDOOR UNIT OUTDOOR UNIT

ITEMS AY-XP24LR AE-X24LR

Rated cooling capacity (Min– Max.) kW 7.00 (1.50- 8.00)

Rated heating capacity (Min–Max.) kW 7.50 (1.10 - 9.50)

Moisture removal (at cooling)✩Liters/h 2.6

Electrical data

Phase Single

Rated frequency Hz 50

Rated voltage V 220-240

Rated current ✩

(Min - Max.)

Cool A 9.6 (1.2 - 13.3 )

Heat A 8.9 ( 1.1 - 12.6 )

Rated input ✩

(Min - Max.)

Cool W 2160 (260- 2990)

Heat W 2015 (240 - 2830)

Power factor ✩Cool % 98

Heat % 98

Compressor Type Hermetically sealed rotary type

Model C-6RVN103H0Q

Oil charge FREOALALF68SZ 600cc

Refrigerant system Evaporator Louver Fin and Grooved tube type

Condenser Corrugate Fin and Grooved tube type

Control Expansion valve

Refrigerant (R410A) 1680g

De-lce system Micro computer controlled reversed systems

Noise level

( cooling)

High dB(A) 47 53

Low dB(A) 42 –

Soft dB(A) 35 –

Fan system

Drive Direct drive

Air flow quantity

( cooling)

High m3/min. 18.4 45.6

Low m3/min. 14.4 –

Soft m3/min. 10.7 –

Fan Centrifugal fan Propeller fan

Connections

Refrigerant coupling Flare type

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

Drain piping mm O.D φ16

Others

Safety device Compressor: Thermal protector

Fan motors: Thermal fuse

Fuse, Micro computer control

Air filters Polypropylene net (Washable)

Net dimensions Width mm 1040 850

Height mm 325 710

Depth mm 222 330

Net weight kg 13 53

AYXPC18LR

1 – 3

[2] EXTERNAL DIMENTIONS

1. Indoor unit

222

325

1040

Remote controller

204

57 18

AYXPC18LR

1 – 4

2. Outdoor unit

3. Installation dimension

850

141 211

557

379

395

689

710

144

920

363

330

4.5

880

80 137

325

137

1040(Unit size)

Center of wall hole:

Leftward piping

Center of wall hole:

Backward piping

Outline of indoor unit

AYXPC18LR

1 – 5

[3] WIRING DIAGRAMS

1. Indoor unit

2. Outdoor unit

[4] ELECTRICAL PARTS

1. Indoor unit 2. Outdoor unit

CN7

CN㧢

CN4

(HORIZONTAL)

CN2

(E)

(N)

crN

OKR^

THERMAL

FUSE

CN10

POWER

SUPPLY

CIRCUIT

`QV

`QT `QU

MAIN CONTROL BOARD UNIT

ORANGE

YELLOW

BLACK

(VALVE TEMP.)

(VERTICAL) CN3

(S) RED

BROWN

BLUE

GREEN-

YELLOW

CONTROL

BOX

(L)

SUB CONTROL

BOARD UNIT

CN8

SERIAL

SIGNAL

CIRCUIT

Part Name Items Specifications

Terminal Board Rating 300V 25A

Printed Wiring Board Material Paper Base Phenolic Resin

(UL94V-0)

Fan motor Type MLB438,DC Motor

Louver Motor Rating DC12V

Type MP24GA

Part Name Items Specifications

Fuse1 Rating 250V, 20A

Fuse101 Rating 250V, 20A

Fuse3 Rating 250V, 3.15A

Fuse5 Rating 250V, 2A

Fuse6 Rating 250V,1 A

Compessor Rating DC Brush-less

Type Motor 1000W

Fan motor Type MLB078, DC Motor

AYXPC18LR

2 – 1

AYXPC18LR ServiceManual



CHAPTER 2. EXPLANATION OF CIRCUIT AND OPERATION

[1] BLOCK DIAGRAMS

1. Indoor unit

CPU

2.5A

FUSE1

DC power supply circuit

Fan motor phase control circuit

Rotation pulse input circuit

AC clock circuit

Louvre motor drive circuit

Remote controller signal reception circuit

Buzzer drive circuit

CPU reset circuit

CPU oscillator circuit

Room temp. detect circuit

Heat exchanger pipe thermo circuit

Compensation circuit/ select circuit

Compensation circuit

Switchover circuit

Serial I/O circuit

Compressor relay drive circuit

LED drive circuit

Auto restart circuit

Test run circuit

Auxiliary mode

Power on circuit

Cluster generator drive circuit

Indoor fan motor

Fan motor pulse detect

Flow direction control

Wireless remote control operation

Audible operation confirmation

Room temp. thermistor

Heat exchanger pipe thermistor

Blower temperature, fan speed, model select

Outdoor ratings

Wireless, preheat

Indoor/outdoor control signal I/O

Outdoor unit power supply on/off control

LED display

Test run (forced operation)

Auxiliary mode button ON/OFF

Self diagnostics, fault diagnosis

Cluster generator

Unit-unit wiring

(AC power and

serial signals)

AYXPC18LR

2 – 2

2. Outdoor unit

CPU

20A

protection

Expansion valve drive circuit Expansion valve

Suction temp. thermo. circuit Suction pipe thermistor

3.15A

protection

20A

protection

PFC Module Filter

circuit

Smoothing

circuit

EEPROM

AC clock circuit

DC overcurrent detection circuit

Power Supply (AC power )

Unit-unit wiring

(AC power and

serial signals)

Outdoor fan

4-way valve

Power transistor module

Compressor

Current transformer

Compressor thermistor

Heat exchanger pipe thermistor

Outdoor temperature thermistor

LED

Power supply

circuit

CPU oscillator circuit

DC overvoltage detection circuit

Outdoor fan drive circuit

4-way valve relay drive circuit

Power transistor module drive circuit

Serial I/O circuit

CPU reset circuit

Position detection circuit

AC overcurrent detection circuit

Compressor thermo circuit

Heat exchanger pipe thermo circuit

Outdoor temp. thermo. circuit

LED drive circuit

Test mode circuit

AYXPC18LR

2 – 3

[2] MICROCOMPUTER CONTROL SYSTEM

1. Indoor unit

AYXPC18LR

2 – 4

Printed wiring board

TO EVAPORATOR AND TERMINAL BOARD "E"

TO TERMINAL BOARD

TOP "N"

FROM

TERMINAL BOARD TOP "I"

FROM FAN MOTOR

FROM CLUSTER GENERATOR

FROM THERMISTOR

FROM LOUVER MOTOR (HORIZONTAL)

FROM TERMINAL BOARD TOP

TO TERMINAL BOARD TOP "2"

FROM LOUVER MOTOR (VERICAL)

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