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TCL TAC-12CHS User Manual

TCL TAC-12CHS
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-12CHS Specifications

General IconGeneral
Capacity1 Ton
Cooling Capacity12000 BTU/h
FunctionsCooling, Heating, Dehumidification, Fan
Power Supply220-240V, 50Hz
RefrigerantR32
TypeSplit
Operating Temperature (Cooling)18°C to 43°C
Noise Level (Indoor Unit)38 dB
Noise Level (Outdoor Unit)52 dB

Summary

IMPORTANT NOTICE

How to order spare parts

Instructions for ordering replacement parts, including necessary information like model number and part name.

Technical Specifications

Product Dimensions

Indoor Unit Dimensions

Provides detailed measurements and diagrams for the indoor unit of the air conditioner.

Outdoor Unit Dimensions

Provides detailed measurements and diagrams for the outdoor unit of the air conditioner.

Refrigerating Cycle System

Heat Pump Refrigerating Cycle

Illustrates the refrigerant flow and components for heat pump operation of the air conditioner.

Cooling Only Refrigerating Cycle

Illustrates the refrigerant flow and components for cooling-only operation of the air conditioner.

Evacuation Procedures (Air Purge)

Performance Curves

Guaranteed Voltage and Air Flow

Specifies the operational voltage range and air flow settings for performance testing.

Main Readings for Performance Curves

Lists the key parameters measured and used in performance curve analysis.

Measuring Temperature Difference

Explains the procedure for measuring indoor air wet/dry-bulb temperature difference.

Operation Details

Remote Controller Functions

Describes the buttons and basic functions of the remote controller for operating the air conditioner.

Remote Controller Presetting

Guides users on how to preset the remote controller for cooling-only or heat pump operation.

Electronic Controller

Safety Control Functions

Details safety mechanisms like time delay, frost prevention, and high-temperature protection.

Mode Operation Details

Explains the operation of 'I Feel', 'COOLING', 'DRY', and 'HEATING' modes.

Defrost and Thermistor Functions

Describes the defrost cycle and the role of the assistant thermistor in heating capacity.

Fan Mode and Motor Control

Details the operation of the fan motor, including auto fan speed and rotational frequency control.

Failure Display and Handling

Outlines common failure codes, lamp flashes, and procedures for handling system malfunctions.

Wiring Diagram

Explosion View

Indoor Unit Explosion View

Provides an exploded view of the indoor unit components with numerical references.

Outdoor Unit Explosion View

Provides an exploded view of the outdoor unit components with numerical references.

Parts List - Indoor Unit

Parts List - Outdoor Unit

ANNEX 2 GENERAL

Type of Air Conditioner

Classifies air conditioners based on function and installation type.

Four Elements of Air Conditioning

Explains the key elements of air conditioning: temperature, humidity, purity, and air flow.

Principle of Refrigerating Cycle

Describes the fundamental principles of how a refrigerating cycle works.

Definition of Terms

Provides definitions for key terms used in air conditioning, such as enthalpy, latent heat, and convection.

Units of Measurement and Conversion

Defines common units used in HVAC and provides conversion tables for temperature, area, and weight.

Function of Air Conditioning Components

Explains the function of major components like compressor, condenser, evaporator, and dryer.

Mollier Diagram

Refrigerant State Transition

Details how refrigerant states change on a Mollier diagram during the refrigeration cycle.

Drawing a Refrigerating Cycle

Provides examples and steps for drawing a typical refrigerating cycle on a Mollier diagram.

Calculation of Refrigerating Cycle

Explains how to calculate refrigerating effect, work of compression, and COP.

Psychrometric Chart

Psychrometric Chart Explained

Describes how to read and interpret a psychrometric chart to determine air properties.

Discomfort Index (DI)

Explains the Discomfort Index and its correlation with human comfort levels based on temperature and humidity.

Dewing Phenomenon and Prevention

Discusses dewing and methods to prevent it, including relative humidity guidelines.

Noise Characteristics

Sound Composition and Calculation

Explains how to calculate combined sound levels and decompose noise sources.

Sound Attenuation and Allowable Noise Levels

Covers sound attenuation principles and provides tables for allowable noise levels in various environments.

Load Calculation

Cooling/Heating Load Calculation Principles

Outlines factors contributing to cooling/heating load, including human body heat and equipment.

Simple Cooling Capacity Calculation Table

Provides a method and table for calculating cooling load based on room characteristics.

Air Conditioner Capacity Selection

Guides on selecting the appropriate air conditioner capacity based on room requirements and considerations.

Cooling Capacity Selection Guide

ANNEX 3 TROUBLE SHOOTING

Electric Parts Check

External Factors Check

Focuses on checking power supply, voltage, and wire capacity for proper operation.

Internal Factors Check

Covers checks for insulation resistance, running capacitor, and motor fan for internal components.

Compressor Trouble Diagnosis

Electrical Troubles

Details electrical checks for compressor issues like ground test, wrong wiring, and OLP operation.

Mechanical Troubles

Addresses mechanical problems such as compressor not starting, poor compression, or overcurrent.

Refrigerant System Troubleshooting

Troubleshooting Steps

Lists checks for thermostat, filter, fan, ventilation, heat exchanger, and load conditions.

Suction/Discharge Air Temperature Difference

Analyzes temperature differences to diagnose refrigerant system issues like leaks or overcharging.

Pressure and Temperature of Refrigerant

Explains normal pressure/temperature values and how to diagnose issues based on deviations.

Symptoms and Actions for Refrigerant Issues

Describes symptoms and corrective actions for refrigerant shortage, system closing, overcharge, and bad compression.

Troubleshooting

Product Does Not Operate

Provides a flowchart for diagnosing why the entire product fails to operate.

Room Fan Does Not Operate

Guides troubleshooting steps for issues related to the indoor room fan not functioning.

Compressor or Outdoor Fan Does Not Operate

Outlines procedures for diagnosing problems with the compressor or outdoor fan.

Vane Operation Issues

Addresses troubleshooting for the up/down vane and left/right louvers not operating correctly.

Remote Control Functionality Issues

Covers troubleshooting steps when function settings via the remote control are disabled.

Cooling/Heating Conversion Failure

Details how to diagnose and resolve issues where the unit fails to switch between cooling and heating modes.

Installation Fundamentals - Leakage/Freon

Case-1: Pipe Cutting Defects

Addresses gas leaks caused by improper pipe cutting and mal-rectangular sections.

Case-2: Removing Pipe Burrs

Focuses on preventing gas leaks by properly removing burrs after pipe cutting.

Case-3: Flaring Works

Discusses gas leaks and connection issues due to inaccurate sizing during flaring works.

Case-4: Flare Nut Fastening

Explains how damaged or improperly fastened flare nuts can cause gas leakages.

Installation Fundamentals - Leakage/Drainage

Case-5: Indoor Unit Leveling and Drain Hose

Addresses water leaks from inclined indoor units and improperly connected drain hoses.

Case-6: Drain Hose Extending and Laying

Covers water leaks caused by improper extending or laying of the drain hose.

Case-7: Drain Piping and Ending

Deals with water leaks from upwarded drain hoses or clogged drain hoses.

Case-8: Insulation Work on Tubings

Addresses water leaks caused by improper insulation on connecting and hidden parts of tubing.

Case-9: Tubing and Taping Works

Explains how water drops from tubing and taping can cause leaks.

Installation Fundamentals - Freon Shortage

Case-10: Tube Extending and Freon Adding

Discusses cooling capacity reduction due to tube extending and insufficient freon adding.

Installation Fundamentals - Cooling Capacity

Case-11: Split Unit Airflow Spacing

Addresses cooling capacity reduction due to improper airflow spacing in split ACs.

Case-12: Window Unit Airflow Spacing

Addresses cooling capacity reduction due to improper airflow spacing in window ACs.

Case-13: Outdoor Unit Installation and Awning

Covers cooling capacity reduction from improper outdoor unit installation and awning.

Case-14: Tube Bending and Replacement

Discusses cooling capacity reduction due to crushed or improperly replaced tubing.

Case-15: Long Distance Tubings

Addresses cooling capacity reduction caused by excessive tubing length or height difference.

Installation Fundamentals - Noise

Case-16: Unstable Unit Installation

Deals with noise and vibration from unstably installed units and fittings.

Case-17: Unstably Fixed Tubings

Addresses noise and vibration caused by unstably fixed surplus tubings.

Installation Fundamentals - Wiring Mistakes

Case-18: 3-Phase Power Line Wiring Errors

Covers major electrical problems resulting from incorrect wiring in 3-phase power lines.

Case-19: Poor Electric Insulation

Discusses major electrical problems caused by poor insulation of connecting cables.

Installation Fundamentals - Bad Smells & Gases

Case-20: Drain Line Smells and Gases

Explains how to prevent bad smells and gases from being discharged through the drain line.

ANNEX 4 R407C REFRIGERANT

General Properties of R407c

Describes the composition and general behavior of R407c refrigerant.

Differences Between R-407c and R22

Highlights key differences in refrigerant charging, composition, leak detection, and temperature trends.

ANNEX 5 INSTALLATION INSTRUCTION

Part 1 Wall-mounted Split Type

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

INSTALLATION

Refrigerant Characteristics and Properties

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

Installation Tools and Accessories

Lists all necessary tools and accessories required for the installation process.

Split Type Unit Installation Procedure

Covers selecting locations, piping, wiring, drainage, air purging, and test running.

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