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Aiwa AIWA-18CHSRINV/TP11 User Manual

Aiwa AIWA-18CHSRINV/TP11
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Air Conditioner Service Manual
1
Inverter air conditioner
Service Manual
Models
AIWA-09CHSRINV/TP11
AIWA-12CHSRINV/TP11
AIWA-18CHSRINV/TP11
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Aiwa AIWA-18CHSRINV/TP11 Specifications

General IconGeneral
BrandAiwa
ModelAIWA-18CHSRINV/TP11
CategoryAir Conditioner
LanguageEnglish

Summary

Part I Technical Information

Important Notice

Crucial safety warnings and usage guidelines for the service manual.

Specifications

Electric Diagram

Wiring Diagram

Detailed wiring schematics for connecting unit components.

Electronic Controller

Remote Controller Symbols and Functions

Explanation of remote control symbols and their meanings.

Remote Controller Button Functions

Detailed functions of each button on the remote control.

Protection Functions

Overload Protection

Details on overload protection for cooling, dry, and heating modes.

Compressor Discharge Temperature Protection

Protection mechanisms related to compressor discharge temperature.

IPM Overheating Protection

Protection against IPM overheating.

Current Protection

Protection against over current and stopped current conditions.

PART II Installation and Maintenance

Installation and Maintenance Notes

Important safety precautions and guidelines for installation and maintenance.

Installation and Maintenance Notes

Safety Precautions for Unit Installation/Relocation

Crucial safety measures for installing or relocating the unit.

General Warnings

General warnings regarding refrigerant handling and electrical safety.

General Warnings

Electrical Safety Precautions

Specific safety rules for electrical connections and wiring.

Installation Safety Precautions

Safety measures to be taken during the installation process.

Installation Safety Precautions

Consequences of Improper Installation

Potential hazards from incorrect installation or handling.

Specific Installation/Relocation Safety

Key precautions for safe installation and relocation procedures.

Specific Installation/Relocation Safety

Maintenance Site and Equipment Safety

Site safety, equipment checks, and refrigerant handling during maintenance.

Refrigerant Handling Requirements

Procedures for filling refrigerants, including nitrogen purging and safe sealing.

Refrigerant Handling Requirements

Installation Safety Principles

Site safety, operation safety, and specific installation precautions.

Installation Safety Principles

Maintenance Procedures and Checks

Air Conditioner Inspection Before Maintenance

Leak Inspection Before Maintenance

Procedure for checking refrigerant leaks before performing maintenance.

Safety Principles During Maintenance

Safety rules for site ventilation, fire prohibition, and handling refrigerant leaks.

Safety Principles During Maintenance

Maintenance Station Requirements

Specifications for a safe and well-equipped maintenance station.

Refrigerant Filling Requirements

Procedures for filling refrigerants, including nitrogen purging and safe sealing.

Refrigerant Filling Requirements

Installation Guide

Outdoor Unit Drainage and Installation

Outdoor unit drainage setup and secure wall mounting procedures.

System Vacuuming and Leak Detection

Vacuum Pump Procedure

Procedure for vacuuming the refrigerant circuit to remove air and humidity.

Final Installation Test Operation

Steps for performing a final test operation after installation completion.

Leakage Detection Methods

Methods for detecting refrigerant leaks using detection equipment or soap water.

Maintenance and Troubleshooting

Understanding Failure Codes

List of error codes, their reasons, and remarks for troubleshooting.

Understanding Failure Codes

Disassembly and Reassembly

Indoor Unit (IDU) Disassembly

Remove IDU Covers and Frame

Disassemble IDU Internal Components

ODU Disassembly Steps

Remove ODU Covers and Panels

Disassemble ODU Fan and Electric Box

Remove ODU Valves and Compressor

Piping and Refrigerant Charging Specs

Pipe Flaring Procedure

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