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TCL TAC-18CHSC User Manual

TCL TAC-18CHSC
138 pages
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TAC-09CSC/K TAC-09CHSC/K
WALL MOUNTED SPLIT-TYPE AIR CONDITIONERS
CONTENTS
1. IMPORTANT NOTICE ···································2
2. TECHNICAL SPECIFICATION ·····················3
3. DIMENSIONS ················································8
4. REFRIGERATING CYCLE SYSTEM ············· 9
5. PERFORMANCE CURVES ····························12
6. OPERATION DETAILS ·············16
7. WIRING DIAGRAM ······························23
8. EXPLOSION VIEW ···················29
9. PARTS LIST ·································33
10. ANNEX 1 THERMISTOR CHARACTERISTIC
11. ANNEX 2 GENERAL
12. ANNEX 3 TROUBLE SHOOTING
13. ANNEX 4 R407C REFRIGERANT
Models
TAC-07CS/K TAC-07CHS/K
TAC-09CS/K
TAC-09CHS/K
TAC-12CS/K
TAC-12CHS/K
TAC-24CS/K
TAC-24CHS/K
OB207t-1qxp 25/9/97 8:51 PM Page 1
TCL
14. ANNEX 5 INSTALLATION INSTRUCTION Part 1
SERVICE MANUAL
TAC-07CSC/K TAC-07CHSC/K
TAC-12CSC/K TAC-12CHSC/K
TAC-18CSC/K TAC-18CHSC/K
TAC-24CSC/K TAC-24CHSC/K
No.TE031229
TAC-18CS/K TAC-18CHS/K

Table of Contents

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TCL TAC-18CHSC Specifications

General IconGeneral
Power Supply220-240V, 50Hz
Compressor TypeRotary
TypeSplit Air Conditioner
BTU18000 BTU
Outdoor Noise Level52 dB
Operating Temperature (Cooling)18°C - 43°C

Summary

Service Manual

Important Notice

How to Order Spare Parts

Provides instructions for ordering replacement parts, listing necessary information for accurate fulfillment.

Technical Specifications

Product Dimensions

Refrigerating Cycle System

Heat Pump Cycle

Diagram and explanation of the refrigerating cycle for heat pump operation.

Cooling Only Cycle

Diagram and explanation of the refrigerating cycle for cooling-only operation.

Refrigerant Piping Specifications

Maximum Refrigerant Piping Length

Details on the maximum allowable length for refrigerant piping based on model.

Maximum Height Difference

Specifies the maximum allowable height difference between indoor and outdoor units.

Additional Refrigerant Charge (R-22)

Information on extra refrigerant charge required for longer piping lengths.

Evacuation Procedures (Air Purge)

Performance Curves

Performance Curve Data Points

Details key parameters like voltage, air flow, and temperature readings for performance curves.

Temperature Difference Measurement Guide

Provides a step-by-step guide on how to measure indoor air wet/dry-bulb temperature difference.

Outdoor Low Pressure and Outdoor Unit Current

Cool Operation Data

Presents data on outdoor low pressure and unit current during cooling operation.

Operation Details

Remote Controller Functions

Explains the buttons and functions of the remote controller for operating the unit.

Remote Controller Presetting

Details how to preset the remote controller for different air conditioner modes (Cooling/Heating).

Electronic Controller

Safety Control Features

Describes safety controls like time delay, frost prevention, and overheat protection.

I Feel Mode Operation

Explains the functionality and conditions for the 'I Feel' mode operation.

Cooling Mode Operation Details

Details the system's behavior and initial settings when the Cooling mode is selected.

Dry Mode Operation

Heating Mode Operation

Details the system's behavior and initial settings when the Heating mode is selected.

Cold Air Prevention Control

Explains the control mechanism to prevent cold air discharge during heating or defrost.

Defrost Functionality

Defrost Starting Conditions

Specifies the conditions required for the defrosting operation to initiate.

Defrost Terminating Conditions

Specifies the conditions under which the defrosting operation will stop.

Defrosting Time Chart

Illustrates the timing sequence for defrost operations of various components.

Assistant Thermistor Function

Describes the role and operation of the assistant thermistor in heating capacity control.

Mode and Fan Controls

4-Way Valve Control

Explains the operation and function of the 4-way valve for mode switching.

Sleep Mode Operation

Details the functionality and automatic shutdown of the Sleep mode.

Fan Motor Control Mechanisms

Describes rotational frequency feedback and auto fan speed control.

Advanced Unit Operations

Auto Vane Operation Control

Explains the vane motor drive, positioning, and auto/swing modes.

Timer Operation Settings

Provides instructions on how to set, start, and cancel timer operations.

Emergency-Test Operation Mode

Details how to activate and use the emergency test operation mode.

Auto Restart Function

Describes the auto restart feature and how to activate/cancel it.

Failure Display and Handling

Heat Sensitive Component Failure

Details failure detection based on heat sensitive resistance readings.

Outdoor Protection Control Failure

Describes failure conditions related to outdoor unit protection.

Failure Identification and Codes

Explains how failures are displayed and lists failure codes for sensors and functions.

Failure Handling Procedures

Provides guidance on how to handle system shutdowns due to sensor or protection failures.

Control Indicator Display

Describes the function of the indicator lamps on the control board.

Wiring Diagrams

Indoor Unit Wiring

Schematic diagram showing the internal wiring of the indoor unit.

Outdoor Unit Wiring

Schematic diagram illustrating the internal wiring of the outdoor unit.

Indoor Unit Explosion Views

Outdoor Unit Explosion Views

Parts List - Indoor Unit

Indoor Unit Parts (TAC-07CS/K, TAC-09CS/K)

List of parts for TAC-07CS/K and TAC-09CS/K indoor units with part numbers and quantities.

Indoor Unit Parts (TAC-07CHS/K, TAC-09CHS/K)

List of parts for TAC-07CHS/K and TAC-09CHS/K indoor units with part numbers and quantities.

Indoor Unit Parts (TAC-07CSC/K, TAC-09CSC/K)

List of parts for TAC-07CSC/K and TAC-09CSC/K indoor units with part numbers and quantities.

Indoor Unit Parts (TAC-07CHSC/K, TAC-09CHSC/K)

List of parts for TAC-07CHSC/K and TAC-09CHSC/K indoor units with part numbers and quantities.

Indoor Unit Parts (TAC-12CS/K, TAC-12CSC/K)

List of parts for TAC-12CS/K and TAC-12CSC/K indoor units with part numbers and quantities.

Indoor Unit Parts (TAC-12CHS/K, TAC-12CHSC/K)

List of parts for TAC-12CHS/K and TAC-12CHSC/K indoor units with part numbers and quantities.

Indoor Unit Parts (TAC-18/24CS/CSC/K)

List of parts for TAC-18/24CS/CSC/K indoor units with part numbers and quantities.

Indoor Unit Parts (TAC-18/24CHS/CHSC/K)

List of parts for TAC-18/24CHS/CHSC/K indoor units with part numbers and quantities.

Parts List - Outdoor Unit

Outdoor Unit Parts (TAC-07/09CS/K)

List of parts for TAC-07/09CS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-07/09CSC/K)

List of parts for TAC-07/09CSC/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-07/09CHS/K)

List of parts for TAC-07/09CHS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-07/09CHSC/K)

List of parts for TAC-07/09CHSC/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-12CS/K)

List of parts for TAC-12CS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-12CSC/K)

List of parts for TAC-12CSC/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-12CHS/K)

List of parts for TAC-12CHS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-12CHSC/K)

List of parts for TAC-12CHSC/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-18CS/K)

List of parts for TAC-18CS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-18CSC/K)

List of parts for TAC-18CSC/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-18CHS/K)

List of parts for TAC-18CHS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-18CHSC/K)

List of parts for TAC-18CHSC/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-24CS/K)

List of parts for TAC-24CS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-24CSC/K)

List of parts for TAC-24CSC/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-24CHS/K)

List of parts for TAC-24CHS/K outdoor units with part numbers and quantities.

Outdoor Unit Parts (TAC-24CHSC/K)

List of parts for TAC-24CHSC/K outdoor units with part numbers and quantities.

Annex 2 General Information

Types of Air Conditioners

Classifies air conditioners by function (cooling, heating) and installation type.

Elements of Air Conditioning

Defines key elements: temperature, humidity, purity, and air flow for comfort.

Principle of Refrigerating Cycle

Explains the basic principle of refrigeration and its application in air conditioners.

Refrigerating Cycle Details

Illustrates and explains the refrigerating cycle and the role of its components.

Definition of Terms

Provides definitions for various terms used in air conditioning, including heat and flow.

Units of Measurement

Defines common units like Kcal, BTU, RT, Hp and provides conversion tables.

Component Functions

Describes the function of key components like compressor, condenser, and valves.

Refrigerant Cycle Calculations

Explains how to use Mollier diagrams and calculate refrigerating cycle parameters.

Mollier Diagram Usage

Guides on interpreting refrigerant state transitions using a Mollier diagram.

Psychrometric Chart

Explains the psychrometric chart and its use in analyzing air conditions.

Dewing Phenomenon and Prevention

Describes dewing and provides methods to prevent it, including a humidity table.

Noise Characteristics Explanation

Details sound composition calculation and noise level measurement methods.

Allowable Noise Levels

Lists allowable noise levels for various environments based on NC curves.

Load Calculation Methods

Explains how to calculate cooling/heating loads from various sources.

Simple Cooling Capacity Calculation

Provides an example and table for calculating simple cooling capacity.

Air Conditioner Sizing Guidelines

Offers guidance on selecting the correct air conditioner capacity based on room characteristics.

Cooling Capacity Coordination Chart

Presents a chart to determine the appropriate unit size based on area and ceiling type.

Annex 3 Troubleshooting

Electric Parts Troubleshooting

Covers checks for working power, voltage drop, wire capacity, and internal factors.

Wire Thickness Requirements

Specifies wire cross-sectional areas based on rated current for safe operation.

Internal Factors Troubleshooting

Guides on checking insulation resistance and component conditions.

Running Capacitor Troubleshooting

Details steps for checking running capacitors, including earth inspection and capacity.

Motor Fan Troubleshooting

Provides steps to diagnose issues with the motor fan, including resistance and common faults.

Thermostat Malfunction Checks

Describes common thermostat issues and how to test for them.

Thermistor Testing

Explains how to test the thermistor by measuring its resistance.

Compressor Electrical Troubleshooting

Covers electrical checks for the compressor: ground test, wiring, and OLP status.

Compressor Mechanical Troubleshooting

Addresses mechanical issues like non-starting, poor compression, and overcurrent.

Refrigerant System Troubleshooting

Guides on diagnosing issues within the refrigerant system.

Pressure and Temperature Analysis

Explains how to interpret refrigerant pressure and temperature for diagnosis.

Symptoms and Actions for Refrigerant Issues

Details symptoms and corrective actions for refrigerant shortage and system closing.

Overcharge and Bad Compression Issues

Describes symptoms and diagnosis for refrigerant overcharge and poor compressor compression.

Repair Precautions

Provides essential safety and procedural precautions for conducting repairs.

Product Not Operating Troubleshooting

Flowchart for diagnosing why the product does not operate at all.

Room Fan Not Operating Troubleshooting

Flowchart for diagnosing why the room fan does not operate.

Compressor/Outdoor Fan Not Operating Troubleshooting

Flowchart for diagnosing why the compressor or outdoor fan does not operate.

Up/Down Vane Operation Troubleshooting

Flowchart for diagnosing why the up/down vane does not operate.

Left/Right Louver Operation Troubleshooting

Flowchart for diagnosing why the left/right louvers do not operate.

Remote Function Setting Issues

Troubleshooting flowchart for when function settings via remote control are disabled.

Cooling/Heating Conversion Issues

Troubleshooting flowchart for when the cooling/heating conversion function is disabled.

Annex 5 Installation Instructions

Wall-mounted Split Type Installation

Provides installation instructions specifically for wall-mounted split type air conditioners.

Refrigerant Characteristics

Details refrigerant properties, including temperature-pressure relationships and strong/weak points.

Tools and Accessories Required

Lists all necessary tools and accessories for the installation process.

Split Type Installation Guide

Covers selecting the best location for indoor and outdoor units and piping specifications.

Installation Plate Mounting

Provides instructions on how to securely fix the installation plate to the wall.

Drilling Wall Hole for Piping

Details the procedure for drilling the correct size hole through the wall for piping.

Flaring Work and Piping Connection

Explains the critical steps for flaring pipes and connecting them to prevent leaks.

Indoor Piping Connection

Guides on routing and connecting indoor unit piping, drain hose, and cables.

Indoor Unit Mounting and Piping

Covers insulation wrapping, routing, and securing pipes for indoor unit installation.

Indoor Unit Installation Steps

Details the process of hanging and securing the indoor unit onto the installation plate.

Outdoor Piping Connection

Explains how to align, tighten, and secure outdoor unit piping connections.

Indoor Unit to Outdoor Unit Cable Connection

Guides on connecting the electrical cable between the indoor and outdoor units.

Outdoor Unit Cable Connection

Details the process of connecting the power cord and control cable to the outdoor unit.

Drainage and Piping Formation Checks

Covers checking drainage and forming pipes correctly to prevent leaks and ensure flow.

Air Purging Procedures

Explains the importance of air purging and the steps involved using a vacuum pump.

Leak Testing and Evacuation

Details leak testing methods and the evacuation process for the refrigerant circuit.

Test Running and Performance Evaluation

Covers pre-test checks, outdoor unit settlement, pump down, and performance evaluation.

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