Sharp AY-A099E - User Manual

AY/AE-A079E
AY/AE-A099E
1
Page
SPECIFICATIONS ........................................................................................................................................... 2
EXTERNAL DIMENSIONS............................................................................................................................... 3
WIRING DIAGRAMS....................................................................................................................................... 4
ELECTRICAL PARTS ...................................................................................................................................... 5
MICROCOMPUTER CONTROL SYSTEM...................................................................................................... 8
FUNCTIONS ................................................................................................................................................... 9
TROUBLESHOOTING OF THE CONTROL CIRCUIT .................................................................................. 17
REFRIGERATION CYCLE ........................................................................................................................... 21
PERFORMANCE CURVES .......................................................................................................................... 23
REFRIGERANT PIPE AINSTALLATION WORKS ......................................................................................... 24
DISASSEMBLING PROCEDURE ................................................................................................................. 25
REPLACEMENT PARTS LIST ....................................................................................................................... 29
TABLE OF CONTENTS
SERVICE MANUAL
S2915AYA099E/
SHARP CORPORATION
SPLIT SYSTEM
ROOM AIR CONDITIONERS
INDOOR UNIT
AY-A079E
AY-A099E
AE-A079E
AE-A099E
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.
OUTDOOR UNIT
MODELS

Sharp AY-A099E Specifications

General

Cooling Capacity	9000 BTU/h
Power Supply	220-240V, 50Hz
Type	Split System
Air Flow (High)	550 m³/h
Operating Temperature (Cooling)	18°C to 43°C

Summary

SHARP Service Manual

Specifications

Wiring Diagrams

Microcomputer Control System

Microcomputer (IC1) Details

Details the CMOS, one-chip, 8-bit microcomputer and its port allocation.

Functions

Temperature Control Characteristics

Operation Modes

Describes how the compressor and fan motor operate in COOL, DRY, and HEAT modes.

Protective and Special Functions

Covers Hot-Keep, Preheat air flow, Overheating protection, Current control, Freeze prevention, and Defrost.

Troubleshooting Guide

Control Circuit Troubleshooting

Provides a flowchart for diagnosing control circuit issues, checking fuse, transformer, and PWB.

Remote Controller Troubleshooting

Guides troubleshooting for remote controller non-functionality, checking batteries, indicator lamps, and signals.

Cooling Operation Issues

Heating Operation Issues

Replacement Parts List