Sharp AY-X138E User Manual

AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
1
SHARP CORPORATION
Page
SPECIFICATIONS .......................................................................................................................................... 2
EXTERNAL DIMENSIONS............................................................................................................................... 4
WIRING DIAGRAMS....................................................................................................................................... 5
ELECTRICAL PARTS .................................................................................................................................... 10
BLOCK DIAGRAM ......................................................................................................................................... 12
MICROCOMPUTER CONTROL SYSTEM.................................................................................................... 14
FUNCTIONS ................................................................................................................................................. 25
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES ............................................................. 30
BREAKDOWN DIAGNOSIS PROCEDURE .................................................................................................. 32
REFRIGERATION CYCLE ........................................................................................................................... 34
PERFORMANCE CURVES .......................................................................................................................... 36
DISASSEMBLING PROCEDURE .................................................................................................................. 38
OPTION ......................................................................................................................................................... 45
REPLACEMENT PARTS LIST ....................................................................................................................... 46
TABLE OF CONTENTS
S6831AYX138E/
SERVICE MANUAL
INDOOR UNIT
AH-X108E AY-X108E
AH-X138E AY-X138E
AU-X108E AE-X108E
AU-X138E AE-X138E
OUTDOOR UNIT
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.
MODELS
SPLIT TYPE
ROOM AIR CONDITIONERS

Sharp AY-X138E Specifications

General

Power Supply	220-240V, 50Hz
Energy Efficiency Ratio (EER)	3.21
Refrigerant	R410A
Air Flow (Indoor)	10.5 m³/min
Type	Split Air Conditioner
Noise Level (Outdoor)	52 dB(A)
Operating Temperature (Cooling)	18°C to 43°C

Summary

Split Type Room Air Conditioners

Specifications

Wiring Diagrams

Block Diagrams

Indoor Unit Block Diagram

Outdoor Unit Block Diagram

Microcomputer Control System

Functions

Indoor Unit Functions

Details temperature control, fan operation, and operational modes for indoor units.

Outdoor Unit Functions

Covers defrost, frequency control, and protection mechanisms for outdoor units.

Protective Procedures and Operations

Indoor Fan Protection

Compressor Protection

Break Down Diagnosis Procedure

Self-diagnostic Procedure

Explains how to diagnose issues using LED indicators and tables.

Performance Curves

Disassembling Procedure

Indoor Unit Disassembly

Step-by-step guide for dismantling the indoor unit for servicing.

Servicing Procedure

Outdoor Unit Servicing