Sharp AY-X099E User Manual

1
AH-X079E/X099E
AY-X079E/X099E
S2912AYX099E/
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 ........................................................................................................................................ 7
BLOCK DIAGRAM ............................................................................................................................................. 8
FUNCTIONS .................................................................................................................................................... 14
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES ............................................................... 21
BREAKDOWN DIAGNOSIS PROCEDURE .................................................................................................... 28
REFRIGERATION CYCLE ............................................................................................................................. 25
PERFORMANCE CURVES ............................................................................................................................ 28
DISASSEMBLING PROCEDURE ................................................................................................................... 30
OPTION ........................................................................................................................................................... 39
REPLACEMENT PARTS LIST ......................................................................................................................... 40
TABLE OF CONTENTS
AH-X079E/X099E
AY-X079E/X099E
AU-X079E/X099E
AE-X079E/X099E
MODELS
OUTDOOR UNIT
INDOOR UNIT
SHARP CORPORATION

Sharp AY-X099E Specifications

General

Brand	Sharp
Model	AY-X099E
Category	Air Conditioner
Language	English

Summary

Specifications

External Dimensions

Provides overall measurements and diagrams for indoor and outdoor units.

Installation Dimensions

Details mounting hole positions and clearance requirements for installation.

Electrical and Control Systems

Wiring Diagrams

Illustrates the electrical connections for the indoor and outdoor units.

Electrical Parts

Lists the specific electrical components used in the units with their models.

Block Diagrams

Shows the functional block diagrams for indoor and outdoor units.

Functions and Operation

Indoor Unit Functions

Details temperature adjustment, controls, and fan operations for indoor units.

Indoor Fan Control

Describes thermistor use for fan control, freezing, and overheating prevention.

Outdoor Unit Defrost Operation

Explains the defrosting cycle, conditions, and stops for outdoor units during heating.

Protection and Troubleshooting

Protective Function Overview

Summarizes protective functions, detection times, and restart conditions.

Breakdown Diagnosis Procedure

Correlates error conditions with diagnosis, checks, and solutions.

Performance and Refrigeration Cycle

Refrigeration Cycle Diagrams

Illustrates the refrigerant flow for different models.

Performance Curves

Graphs showing operational performance characteristics under various conditions.

Maintenance and Parts

Disassembling Procedure

Step-by-step guide for disassembling the indoor unit.

Replacement Parts List

Comprehensive list of replaceable parts with part numbers and codes.