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TCL TAC-18CSD/XA81I

TCL TAC-18CSD/XA81I
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TCL Air Conditioner Service Manual
1
Inverter air conditioner
Service Manual
Models
TAC-09CSD/XA81I
TAC-12CSD/XA81I
TAC-18CSD/XA81I
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TCL TAC-18CSD/XA81I Specifications

General IconGeneral
Compressor TypeRotary
RefrigerantR32
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.5
TypeSplit Air Conditioner
BTU18000 BTU/h
Operating Temperature (Cooling)16°C - 32°C

Summary

Part I Technical Information

Important Notice and Safety Guidelines

Crucial safety, disclaimer, and usage guidelines for service personnel.

System Operation and Diagrams

Refrigeration Cycle Diagram

Illustrates the thermodynamic process of the air conditioner's cooling operation.

Electric Diagrams and PCB Layouts

Detailed wiring schematics and Printed Circuit Board (PCB) component arrangements.

Electronic Controller Functions

Controller Overview and Operational Modes

Explains controller components, modes like Auto, Cooling, Dry, Heating, and their logic.

Special Modes and Features

Details Timer, Sleeping, Emergency Switch, Auto-Restart, ECO/TURBO, Cold Air Prevention, Anti-Frosting, and Defrost.

System Protection Mechanisms

Details on Overload, Temperature, Current, IPM, and other protection types.

Part II Installation and Maintenance

Safety Precautions

Essential safety guidelines for installation, relocation, refrigerant handling, and maintenance.

Installation Procedures

Covers unit placement, dimensions, accessories, tools, and step-by-step installation.

Maintenance Procedures

Covers failure codes, troubleshooting, disassembly, and assembly.

Troubleshooting Specific Error Codes

Communication and Sensor Errors

Troubleshooting for communication failures and sensor issues (E0-E9, EF, EU).

Protection and Operational Faults

Troubleshooting for protection errors (P0-P9) and operational faults (F4-F8, Fy).

Disassembly and Assembly

IDU Disassembly

Step-by-step instructions for disassembling the Indoor Unit (IDU).

ODU Assembly

Step-by-step instructions for assembling the Outdoor Unit (ODU).

Appendices: Reference Information

Temperature Comparison Tables

Table comparing Celsius and Fahrenheit temperature scales.

Pipe Length, Gas Charging, and Flaring

Guidelines for pipe lengths, gas charging, and pipe flaring procedures.

Thermistor Characteristics

Temperature characteristics table for thermistors used in indoor and outdoor units.

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