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Sharp AH-G13 User Manual

Sharp AH-G13
25 pages
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SPECIFICATIONS..............................................................................................................................................1
EXTERNAL DIMENSIONS.................................................................................................................................3
WIRING DIAGRAMS..........................................................................................................................................4
ELECTRICAL PARTS........................................................................................................................................5
MICROCOMPUTER CONTROL SYSTEM.........................................................................................................6
PRINTED WIRING DIAGRAM............................................................................................................................8
FUNTIONS........................................................................................................................................................10
TROUBLESHOOTING......................................................................................................................................14
REFRIGERATION CYCLE AND PERFORMANCE CURVES..........................................................................16
DISASSEMBLING PROCEDURE.....................................................................................................................17
REPLACEMENT PARTS LIST..........................................................................................................................25
SERVICE MANUAL
SPLIT SYSTEM
ROOM AIR CONDITIONER
INDOOR UNIT OUTDOOR UNIT
AH-G13 AU-G13
AH-PG15 AU-PG15
SHARP CORPORATION
CONTENTS
OUTDOOR UNIT
AU-A18FV
AU-A24FV
1
SHARP CORPORATION
Page
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Sharp AH-G13 Specifications

General IconGeneral
BrandSharp
ModelAH-G13
CategoryAir Conditioner
LanguageEnglish

Summary

Product Specifications

AH-G13/AU-G13 Specifications

Detailed specifications for the AH-G13/AU-G13 model including electrical and fan data.

AH-PG15/AU-PG15 Specifications

Detailed specifications for the AH-PG15/AU-PG15 model including electrical and fan data.

External Dimensions

Indoor Unit Dimensions (AH-G13/AH-PG15)

Diagrams showing external dimensions for the indoor units.

Outdoor Unit Dimensions (AU-G13/AU-PG15)

Diagrams showing external dimensions for the outdoor units.

Wiring Diagrams

Indoor Unit Wiring Diagram (AH-G13)

Electrical wiring diagram specific to the AH-G13 indoor unit.

Indoor Unit Wiring Diagram (AH-PG15)

Electrical wiring diagram specific to the AH-PG15 indoor unit.

Outdoor Unit Wiring Diagram (AU-G13/AU-PG15)

Electrical wiring diagram for the outdoor units.

Electric Parts List

AH-G13/AU-G13 Electric Parts

List of electrical components for AH-G13/AU-G13 models with models and remarks.

AH-PG15/AU-PG15 Electric Parts

List of electrical components for AH-PG15/AU-PG15 models with models and remarks.

Micro-Computer Control System

Indoor Unit (AH-G13) Electronic Control Diagram

Detailed electronic control diagram for the AH-G13 indoor unit.

Indoor Unit (AH-PG15) Electronic Control Diagram

Printed Wiring Diagrams

Indoor Unit (AH-G13) Printed Wiring Diagram

Printed wiring diagram for the AH-G13 indoor unit control board.

Indoor Unit (AH-PG15) Printed Wiring Diagram

Functions and Operation Modes

Temperature Control Characteristics

How thermostat lines control temperature in COOL and DRY modes.

Operation Modes Overview

Details on COOL operation modes, compressor, and fan control.

Fan Speed Settings

Indoor fan speed settings for various modes and models.

Operation Mode Outputs

Power On Start and Auto Restart

Unit behavior upon power supply and restart after power failure.

Test Mode Procedures

AH-G13 Test Mode Steps

Sequence and outputs for the AH-G13 test mode.

AH-PG15 Test Mode Steps

Sequence and outputs for the AH-PG15 test mode.

Diagnosis Procedure

Diagnosis Procedure and Timing Charts

Steps for diagnosing faults and associated timing charts for fault indication.

Troubleshooting Guide

Unit Unresponsive to Remote Controller

Troubleshooting steps when the remote controller does not operate the unit.

Remote Controller Communication Issues

Troubleshooting steps for issues related to remote controller signal and batteries.

Cooling Issues and Compressor Non-operation

Refrigeration Cycle and Performance Curves

Refrigeration Cycle Diagram

A visual representation of the air conditioner's refrigeration cycle.

Standard Conditions and Performance Curves

Standard operating conditions and graphical performance curves.

Indoor Unit Disassembly Procedure

Opening Panel and Cord Clamp

Steps to open the front panel and remove the cord clamp from the indoor unit.

Wiring and Air Filter Removal

Procedures for disconnecting unit-to-unit wiring and removing air filters.

Cover and Louver Base Removal

Steps for removing screw covers, louvers, and other casing parts of the indoor unit.

Front Panel and Control Box Removal

LED Guide and Display Board Removal

Procedures for removing the LED guide and display board assembly from the indoor unit.

Thermistor and Holder Removal

Steps to disconnect the thermistor and remove its holder from the indoor unit.

Holder and PC Cover Removal

Evaporator and Drain Guide Removal

Procedures for removing the evaporator assembly and drain guide from the indoor unit.

Evaporator Assembly and Drain Pan Removal

Cross Flow Fan Removal

Steps to remove the cross flow fan from the indoor unit.

Outdoor Unit Disassembly Procedure

Side Cover and Terminal Cover Removal

Steps to loosen screws for the side and terminal covers of the outdoor unit.

Cord and Top Panel Removal

Procedures for disconnecting the unit-to-unit cord and removing the top panel.

Front Panel Removal

Plastic Bands and Terminals Removal

Special Nut and Control Box Removal

Procedures for removing the special nut and the control box from the outdoor unit.

Specific Component Procedures

Fan Disassembly Procedure

Detailed steps for disassembling the fan unit.

Compressor Cover Assembly Procedure

Detailed steps for assembling the compressor cover.

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