Sharp AH-X127E - User Manual

AH-X127E
AU-X127E
AY-X127E
AE-X127E
1
SHARP CORPORATION
S4709AYX127E/
SPLIT TYPE
ROOM AIR CONDITIONERS
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.
SERVICE MANUAL
Page
SPECIFICATIONS ................................................................................................................................................. 2
EXTERNAL DIMENSIONS..................................................................................................................................... 4
WIRING DIAGRAMS............................................................................................................................................. 5
ELECTRICAL PARTS ............................................................................................................................................ 8
BLOCK DIAGRAM ..................................................................................................................................................9
MICROCOMPUTER CONTROL SYSTEM.......................................................................................................... 11
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES ................................................................... 26
BREAKDOWN DIAGNOSIS PROCEDURE ........................................................................................................ 29
REFRIGERATION CYCLE ................................................................................................................................. 31
PERFORMANCE CURVES ................................................................................................................................ 34
DISASSEMBLING PROCEDURE ....................................................................................................................... 35
OPTION ............................................................................................................................................................... 45
REPLACEMENT PARTS LIST ............................................................................................................................. 47
TABLE OF CONTENTS
MODELS
INDOOR UNIT
AH-X127E
AY-X127E
AU-X127E
AE-X127E
OUTDOOR UNIT

Sharp AH-X127E Specifications

General

Brand	Sharp
Model	AH-X127E
Category	Air Conditioner
Language	English

Summary

Specifications and Dimensions

Unit Specifications

Details electrical, fan, connection, and air filter specifications.

External Dimensions

Diagrams and measurements for indoor and outdoor units.

System Diagrams

Wiring and Block Diagrams

Electrical schematics, system overviews for indoor/outdoor units.

Control Circuit Diagrams

Detailed electronic control circuits for various models.

Printed Wiring Boards

Component layout and connections for printed wiring boards.

Functions and Protection

Operation Modes and Controls

Explains temperature adjustment, fan control, and special operating modes.

Protective Procedures and Frequency Control

Details defrost, protective functions, and frequency adjustments.

Performance and Refrigeration

Refrigerant Cycle and Performance Curves

Visual representation of refrigerant flow and performance characteristics.

Maintenance Procedures

Disassembling Procedures

Step-by-step guides for indoor and outdoor unit disassembly.

Air Purifying Filter Replacement

Instructions for filter replacement, setup, and guidelines.