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Sharp AH-MP20

Sharp AH-MP20
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SPECIFICATIONS..............................................................................................................................................2
EXTERNAL DIMENSIONS.................................................................................................................................3
WIRING DIAGRAMS..........................................................................................................................................4
ELECTRICAL PARTS........................................................................................................................................5
MICROCOMPUTER CONTROL SYSTEM.........................................................................................................6
PRINTED WIRING DIAGRAM............................................................................................................................7
FUNTIONS..........................................................................................................................................................8
TROUBLESHOOTING......................................................................................................................................12
REFRIGERATION CYCLE AND PERFORMANCE CURVES..........................................................................15
DISASSEMBLING PROCEDURE.....................................................................................................................17
REPLACEMENT PARTS LIST..........................................................................................................................27
SERVICE MANUAL
SPLIT SYSTEM
ROOM AIR CONDITIONER
INDOOR UNIT
AH-MP20
OUTDOOR UNIT
AU-MP20
SHARP CORPORATION
CONTENTS
OUTDOOR UNIT
AU-A18FV
AU-A24FV
1
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Sharp AH-MP20 Specifications

General IconGeneral
BrandSharp
ModelAH-MP20
CategoryAir Conditioner
LanguageEnglish

Summary

Product Specification

Unit Specifications

Detailed technical specifications for the indoor and outdoor units.

External Dimensions

Indoor Unit Dimensions

Provides dimensional drawings and measurements for the indoor unit.

Outdoor Unit Dimensions

Provides dimensional drawings and measurements for the outdoor unit.

Wiring Diagrams

Indoor Unit Wiring

Electrical wiring diagram for the indoor unit of the air conditioner.

Outdoor Unit Wiring

Electrical wiring diagram for the outdoor unit of the air conditioner.

Electric Circuit Components

Indoor and Outdoor Electrical Parts

Lists and specifies electrical components for both indoor and outdoor units.

Micro-Computer Control System

Indoor Unit Electronic Control Diagram

Detailed electronic control circuit diagram for the indoor unit.

Printed Wiring Diagram

Indoor Unit Printed Wiring

Printed wiring board layout and connections for the indoor unit.

Product Functions

Temperature Control Characteristics

Explains operating functions, temperature control, and fan speeds.

Operation Modes

Details the different operational modes like COOL and DRY.

Fan Speed Settings

Describes available fan speeds and their corresponding RPMs.

Advanced Operations

Test and Timer Functions

Explains test procedures, ON/OFF timer, and hour timer functions.

Automatic Air Conditioning

Describes how the unit automatically sets mode and temperature.

Automatic Fan Speed Control

Details automatic fan speed adjustments based on temperature.

Special Modes

Test Mode and Plasma Cluster

Information on test mode operation and plasma cluster ion features.

Diagnosis and Troubleshooting

Diagnosis Procedure

Outlines the steps for diagnosing operational issues.

Troubleshooting Guide

Unit Not Responding

Troubleshooting flowchart for units that do not power on or respond.

Remote Controller Issues

Remote Controller Not Functioning

Troubleshooting steps for issues related to remote controller operation.

Cooling Performance Troubleshooting

Compressor Not Operating

Steps for when the unit is not cooling and the compressor is not operating.

Refrigeration and Performance

Refrigerant Cycle Overview

Illustrates the refrigerant flow and components within the system.

Performance Curves

Cooling Capacity and Power Input Curves

Graphs showing cooling capacity and power input versus outdoor air temperature.

Indoor Unit Disassembly

Disassembly Procedure

Step-by-step guide on how to disassemble the indoor unit.

Indoor Unit Electric Control Box Removal

Indoor Unit Drain Pan Removal

Indoor Unit Louver Frame Removal

Indoor Unit Display Cover Removal

Indoor Unit High Voltage Unit Removal

Outdoor Unit Disassembly

Control Box Disassembly

Step-by-step guide on how to disassemble the outdoor unit's control box.

Outdoor Unit Fan Disassembly

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