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Table of Contents
- 1 Table of Contents
- 2 Specifications
- 3 External Dimensions
- 4 Wiring Diagrams
- 5 Electrical Parts
- 6 Block Diagram
- 7 Microcomputer Control System
- 8 Function and Operation of Protective Procedures
- 9 Breakdown Diagnosis Procedure
- 10 Refrigeration Cycle
- 11 Performance Curves
- 12 Disassembling Procedure
- Download this manual
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
SERVICE MANUAL
ROOM AIR CONDITIONERS
MODELS
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.
TABLE OF CONTENTS
SHARP CORPORATION
1
SPLIT TYPE
INDOOR UNIT
AH-X127E
AY-X127E
OUTDOOR UNIT
AU-X127E
AE-X127E
AH-X127E
AU-X127E
AY-X127E
AE-X127E
S4709AYX127E/
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Table of Contents
Related Manuals for Sharp AY-X127E
Summarization of Contents
WIRING DIAGRAMS
LED Indication for Self-Diagnosis
Details LED blinking patterns for diagnostic codes and troubleshooting.
BLOCK DIAGRAM
Indoor Unit Block Diagram
Shows functional blocks of the indoor unit's control system.
Outdoor Unit Block Diagram
Illustrates the functional blocks of the outdoor unit's control system.
MICROCOMPUTER CONTROL SYSTEM
Electronic Control Circuit Diagrams
Detailed circuit diagrams for the microcomputer control system.
Printed Wiring Boards
Layouts of the printed circuit boards for different unit models.
FUNCTIONS
Temperature Adjustment
Explains how room temperature affects cooling/heating frequency.
Indoor Fan Control
Details fan speed control for overheating and freezing prevention.
Operation Modes
Describes Hot keep, Automatic, ON-timer, OFF-timer, Swing, and Restart controls.
Special Operation Modes
Covers One-hour, Full power, Preheat, and Power ON start operations.
REFRIGERATION CYCLE
Refrigeration Cycle Diagrams
Illustrates the refrigerant flow for different models.
PERFORMANCE CURVES
Cooling and Heating Performance Curves
Graphs showing performance based on temperature and frequency.
DISASSEMBLING PROCEDURE
Indoor Unit Disassembly
Step-by-step guide for disassembling the indoor unit.
SERVICING PROCEDURE FOR OUTDOOR UNIT
Outdoor Unit Servicing Procedure
Step-by-step guide for servicing the outdoor unit.
OPTION
Air Purifying Filter
Instructions for replacing and setting up air purifying filters.
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