Sharp AE-A12B User Manual

AH-A07BE-C/09BE-C
AH-A07BE/09BE/12BE
AY-A07BE-C/09BE-C
AY-A07BE/09BE/12BE
1
INDOOR UNIT
AH-A07BE/A09BE/A12BE
AH-A07BE-C/A09BE-C
AY-A07BE/A09BE/A12BE
AY-A07BE-C/A09BE-C
OUTDOOR UNIT
AU-A07BE/A09BE/A12BE
AU-A07BE-C/A09BE-C
AE-A07BE/A09BE/A12BE
SHARP CORPORATION
TABLE OF CONTENTS
Page
SPECIFICATIONS .............................................................................................................................................2
EXTERNAL DIMENSIONS ................................................................................................................................4
WIRING DIAGRAMS .........................................................................................................................................6
ELECTRICAL PARTS ........................................................................................................................................9
MICROCOMPUTER CONTROL SYSTEM ......................................................................................................13
FUNCTIONS ....................................................................................................................................................17
TROUBLESHOOTING OF THE CONTROL CIRCUIT ....................................................................................24
REFRIGERATION CYCLE ..............................................................................................................................29
PERFORMANCE CURVE ...............................................................................................................................31
DISASSEMBLING PROCEDURE....................................................................................................................33
REPLACEMENT PARTS LIST ........................................................................................................................41
SERVICE MANUAL
S4216AYA09BE/
SPLIT SYSTEM
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.
MODELS

Sharp AE-A12B Specifications

General

Brand	Sharp
Model	AE-A12B
Category	Air Conditioner
Language	English

Summary

Specifications

Wiring Diagrams

Wiring Diagram for AH/AY Series Indoor/Outdoor Units

Shows wiring for AH and AY model series indoor and outdoor units.

Microcomputer Control System

Electronic Control Circuit Diagram for AY Series

Circuit diagram for AY series indoor units.

Electronic Control Circuit Diagram for AH Series

Circuit diagram for AH series indoor units.

Printed Wiring Diagram for AY Series

Printed wiring diagram for AY series indoor units.

Printed Wiring Diagram for AH Series

Printed wiring diagram for AH series indoor units.

Functions

Temperature Control Characteristics

How thermostat lines control operation in COOL, DRY, and HEAT modes.

Operation Modes

Fan Speed Settings

Special Operating Functions

Covers Hot-Keep, Preheat Air Flow, and Overheating Protection.

Control Logic and Timers

Automatic Operation and Restart

Automatic AC, fan speed, power start, and auto restart features.

Test Mode Operation

Diagnosis Procedure

Troubleshooting steps for fan motor or compressor issues using LEDs.

Troubleshooting Guide of Control Circuit

Machine not functioning with remote controller

Troubleshooting steps for issues with remote controller communication.

Room not cooled / Compressor not operating

Diagnostic steps when the unit fails to cool and compressor is off.

Room not heated / Compressor not operating

Diagnostic steps when the unit fails to heat and compressor is off.

Refrigeration Cycle

Refrigeration Cycle Diagrams

Temperature and Pressure Data

Disassembling Procedure for Indoor Unit

Indoor Unit Component Removal Steps

Evaporator and Motor Cover Removal

Display Cover and Control Box Removal

Drain Pan and Horizontal Louver Removal

Disassembling Procedure for Outdoor Unit

Outdoor Unit Panel and Cover Removal

Outdoor Unit Fan and Control Box Disassembly

Outdoor Unit Disassembly (AE/AU-A07BE/A07BE-C)

Component Removal for AE/AU-A07BE/A07BE-C Outdoor Units

Replacement Parts List

Cabinet and Unit Parts

Control Box Parts

Cycle Parts