TCL TAC-18CHSA/XA71 User Manual

Air Conditioner Service Manual
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Inverter air conditioner
Service Manual
Models
TAC-09CHSA/XA71 INVERTER
TAC-12CHSA/XA71 INVERTER
TAC-18CHSA/XA71 INVERTER
TAC-24CHSA/XA71 INVERTER
CONTENTS
1. Important Notice
2. Product Dimensions
3. Refrigeration cycle diagram
4. Operation details
5. Wiring diagram
6. Explosion view and parts
7. Precaution
8. Names of parts
9. Installation
10. Trouble shooting

TCL TAC-18CHSA/XA71 Specifications

General

Type	Split Air Conditioner
Cooling Capacity	18000 BTU/h
Energy Efficiency Ratio (EER)	3.21
Refrigerant	R32
Power Supply	220-240V, 50Hz
Noise Level (Outdoor)	54 dB(A)
Operating Temperature (Cooling)	18°C to 43°C
Operating Temperature (Heating)	24°C
Heating Capacity	18000 BTU/h
Noise Level (Indoor)	42 dB(A)

Summary

2. Technical Specifications

5. Operation Details

Operation Safety and Modes

1. Safety Protection

Error and Protection Code Lists

Error List

Protection Display Code List

6. Wiring Diagram

Wiring Diagram - Model Specifics

7. Explosion View and Parts - Indoor Unit (TAC-09CHSA/XA71)

Indoor Unit Parts - TAC-09CHSA/XA71

Explosion View and Parts - Indoor Unit (TAC-12CHSA/XA71)

Indoor Unit Parts - TAC-12CHSA/XA71

Explosion View and Parts - Indoor Unit (TAC-18CHSA/XA71)

Indoor Unit Parts - TAC-18CHSA/XA71

Explosion View and Parts - Indoor Unit (TAC-24CHSA/XA71)

Indoor Unit Parts - TAC-24CHSA/XA71

Explosion View and Parts - Outdoor Unit (TAC-09CHSA/XA71)

Outdoor Unit Parts - TAC-09CHSA/XA71

Explosion View and Parts - Outdoor Unit (TAC-12CHSA/XA71)

Outdoor Unit Parts - TAC-12CHSA/XA71

Explosion View and Parts - Outdoor Unit (TAC-18CHSA/XA71)

Outdoor Unit Parts - TAC-18CHSA/XA71

Explosion View and Parts - Outdoor Unit (TAC-24CHSA/XA71)

Outdoor Unit Parts - TAC-24CHSA/XA71

9. Names of Parts

Indoor Unit Components

Outdoor Unit Components

10. Installation Manual

10.1 Installation Details

Covers connecting pipe lengths, refrigerant piping, and connecting cables for installation.

First-Time Installation and Setup

10.2 Installation for the first time

Provides guidance on the initial installation process for the air conditioner unit.

Indoor Unit Installation Procedures

10.2.1 Mounting Plate Installation

Details the steps for installing the mounting plate for the indoor unit.

10.2.2 Wall Hole Drilling for Piping

Explains the process of drilling a hole in the wall for piping connections.

10.2.3 Indoor Unit Electrical Connections

Piping and Drainage Connections

10.2.4 Refrigerant Piping Connection

10.2.5 Pipe Connection Steps

10.2.6 Indoor Unit Connections

10.2.7 Indoor Unit Water Drainage

Pipe Connections and Bleeding Procedures

10.2.8 Electronic Connections

10.2.9 Connecting the Pipe

10.2.10 Bleeding

11. Trouble Shooting

11.1 Outdoor Control Diagram

Illustrates the control diagram for the outdoor unit system.

11.2 ODU PCB Structure

ODU PCB Connections and Diagrams

11.3 ODU PCB Connections

ODU PCB Connections and Current Flow

11.4 Current Flow

11.5 Examples of Repairing

11.5.1 Display E1 or E2

Troubleshooting steps for display errors E1 and E2 related to sensor issues.

11.5.2 Display E6

Troubleshooting steps for display error E6 related to indoor motor issues.

11.5.3 Display E3, E7

Troubleshooting steps for display errors E3 and E7 related to outdoor sensors.

11.5.4 Display E8

Troubleshooting steps for display error E8 related to outdoor discharge pipe sensor.

Repair Examples - Sensor and Communication Faults

11.5.5 Display EA

Troubleshooting steps for display error EA related to current sensor faults.

Repair Examples - Communication and PCB Faults

11.5.6 Display E9

Troubleshooting steps for display error E9 related to outdoor PCB drive circuit damage.

Repair Examples - PCB and Voltage Faults

11.5.7 Display EU

Troubleshooting steps for display error EU related to voltage sensor damage.

11.5.8 Display EE

Troubleshooting steps for display error EE related to EEPROM faults.

Repair Examples - EEPROM and Filter Indicators

11.5.9 Display CL

11.6 Malfunction (Parts) Check Method

11.6.1 IPM/Compressor Check Procedure

Procedure to determine defective outdoor unit IPM/compressor when it doesn't start.

Malfunction Check Methods - Compressor Issues

11.6.2 DC Over Current Error

Troubleshooting steps for DC Over Current Error.

Malfunction Check Methods - Error Code Resolution

11.6.3 E0,E5 Error

Troubleshooting steps for E0 and E5 errors, focusing on wire connections and PCB replacements.

Malfunction Check Methods - Error Code Troubleshooting

11.6.3 E0,E5 Error Resolution

Further steps for resolving E0, E5 errors, including voltage checks and PCB replacements.