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TCL TAC-24CS User Manual

TCL TAC-24CS
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-24CS Specifications

General IconGeneral
Capacity2 Ton
Power Supply220-240V, 50Hz
RefrigerantR410A
Weight (Outdoor Unit)45 kg
TypeSplit
Operating Temperature (Cooling)18°C to 43°C
Noise Level (Indoor Unit)42 dB(A)

Summary

IMPORTANT NOTICE

Technical Specifications

Product Dimensions

Refrigerating Cycle System

Max Refrigerant Piping Length

Specifies the maximum allowable length and diameter for refrigerant piping.

Max Height Difference

Defines the maximum allowable vertical distance between indoor and outdoor units.

Additional Refrigerant Charge

Details the amount of refrigerant to add based on piping length.

EVACUATION PROCEDURES(AIR PURGE)

PERFORMANCE CURVES

GUARANTEED VOLTAGE

Specifies the acceptable voltage range for operation (±10% of rated).

AIR FLOW

Indicates that air flow should be set to maximum for performance.

MAIN READINGS

Lists key parameters measured for performance evaluation.

OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT

HEAT operation

Operation Details

Remote controller

Explains the functions and buttons of the remote controller.

Remote controller presetting

Instructions for setting the remote controller type for Cooling Only or Heat Pump.

Elctronic Controller

Safety Control

Details safety mechanisms like time delay and frost prevention.

“I Feel” Mode Operation

Describes how the 'I Feel' mode operates and adjusts temperature.

“COOLING” Mode Operation

Explains the system's behavior when the COOLING mode is selected.

“DRY” Mode Operation

“HEATING” Mode Operation

Cold Air Prevention Control

Explains the control that prevents cold air discharge during heating or defrosting.

Defrost Operation

Defrost starting conditions

Conditions that trigger the defrosting operation.

Defrost terminating conditions

Conditions that stop the defrosting operation.

Defrosting time chart

Visual representation of defrosting cycle timings.

Fan motor control

Rotational frequency feedback control

Describes how fan speed is controlled via rotational frequency feedback.

Auto Fan Speed Control

Explains automatic fan speed adjustment based on temperature.

Auto Vane Operation Control

Vane motor drive

Details the operation of the vane motor for air direction control.

Positioning

Explains how the vane angle is set and determined.

VANE AUTO mode

Describes the automatic vane angle determination for optimal air distribution.

SWING mode

Explains the function of the SWING mode for vane movement.

TIMER Operation

How to set the timer

Provides instructions on setting the timer function for the air conditioner.

Failure Display and Handling

Failure Code

Lists failure codes displayed via lamp flashes or digital pipe.

Failure Handling

Provides procedures for diagnosing and resolving system failures.

Wiring Diagram

INDOOR UNIT

Wiring diagram for the indoor unit components.

OUTDOOR UNIT

Wiring diagram for the outdoor unit components.

Parts List

Indoor Unit Parts

List of parts for Indoor Unit models TAC-07CS/K and TAC-09CS/K.

ANNEX 2 GENERAL

Type of air conditioner

Classifies air conditioners by function and installation type.

Four elements of air conditioning

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

Principle of refrigerating cycle

Explains the basic working principle of a refrigerating cycle.

The term of function

Compressor, Condenser, Evaporator

Defines the function of compressor, condenser, and evaporator.

Capillary, Dryer, Muffler, Strainer

Defines the function of capillary, dryer, muffler, and strainer.

Service valve

Explains the use and operation of service valves for maintenance.

Motor, Fan, Blower, Thermistor, Capacitor

Protective and Control Components

Solenoid Valve and Check Valve

Mollier Diagram

Refrigerant State Transition

Explains refrigerant state changes on a Mollier diagram.

How to Draw a Refrigerating Cycle

Guides the process of drawing a refrigerating cycle on a Mollier diagram.

Psychrometric Chart

Psychrometric Chart Basics

Explains how to read and interpret the psychrometric chart.

Discomfort Index (DI)

Defines the Discomfort Index and its relation to temperature and humidity.

Noise Characteristics

Sound Composition

Explains how sound levels are calculated and composed.

Allowable Level of Noise

NC Curve

Explains the NC curve for evaluating allowable noise levels.

Noise Criteria by Location

Lists allowable noise levels for different environments like studios and apartments.

Load Calculation

Cooling/Heating Load Calculation

Covers factors contributing to cooling and heating load calculations.

ANNEX 3 TROUBLE SHOOTING

Electric Parts

Checks for electric components like switches, motors, and wiring.

Refrigerant System

Troubleshooting steps for refrigerant system issues like leaks and pressure.

Troubleshooting Procedures

Flowcharts for diagnosing and resolving common operational problems.

Installation Fundamentals

Covers essential installation practices to prevent issues like leaks.

Electric Parts

External Factors Check

Checks working power, voltage drop, and wire capacity.

Wire Thickness Required

Specifies required wire cross-sectional area based on rated current.

Internal Factors Check

Inspects internal components like switches, protectors, and insulation resistance.

Compressor Trouble Diagnosis

Electrical Troubles

Troubleshooting electrical issues like ground test, wiring, and OLP.

Mechanical Troubles

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

Refrigerant System Troubleshooting

Temperature Difference and Current Analysis

Analyzes suction/discharge air temperature difference and running current.

Pressure and Temperature of Refrigerant

Guides troubleshooting based on refrigerant pressure and temperature readings.

Symptoms and Actions for Refrigerant Shortage

Identifies symptoms and actions for refrigerant shortage.

Symptoms and Actions for System Closing

Diagnoses and addresses issues related to closed refrigerant systems.

Symptoms and Actions for Overcharge

Identifies symptoms and actions for overcharged refrigerant.

Symptoms and Actions for Bad Compression

Diagnoses issues related to poor compressor compression.

Troubleshooting

Unit Does Not Operate At All

Diagnoses issues when the entire air conditioner unit is non-operational.

Room Fan Does Not Operate

Troubleshooting steps when the indoor room fan fails to operate.

Compressor or Outdoor Fan Does Not Operate

Diagnoses problems with the compressor or outdoor fan not starting.

Vane Operation Failure

Troubleshooting steps for non-operational up/down or left/right vanes.

Remote Control Function Failure

Addresses issues where remote control settings or functions are disabled.

Cooling/Heating Conversion Failure

Troubleshooting for problems with switching between cooling and heating modes.

Installation Fundamentals

Leakage / Freon - Case 1

Addresses gas leaks due to improper pipe cutting techniques.

Leakage / Freon - Case 2

Addresses gas leaks caused by unremoved pipe burrs after cutting.

Leakage / Freon - Case 3

Addresses gas leaks due to inaccurate sizing during flaring works.

Leakage / Freon - Case 4

Addresses gas leaks from improper flare nut fastening.

Leakage / Drainage - Case 5

Indoor Unit Leveling

Ensures proper drainage by checking indoor unit leveling.

Drain Hose Connecting

Ensures correct drain hose connection for proper water flow.

Leakage / Drainage - Case 6

Improper Drain Hose Extension

Addresses leaks from improperly extended or laid drain hoses.

Drain Hose Laying Issues

Ensures correct drain hose installation to prevent leaks.

Leakage / Drainage - Case 7

Upwarded Drain Hose

Addresses leaks caused by upwarded drain hoses or clogged drains.

Clogged Drain Hose

Troubleshoots issues related to drain hoses clogged with water.

Leakage / Drainage - Case 8

Insulation Work on Connecting Parts

Ensures proper insulation of tube connecting and hidden parts.

Uninsulated Hidden Parts

Addresses leaks from uninsulated hidden tubing sections.

Leakage / Drainage - Case 9

Waterdrops from Tubing/Taping

Prevents water leaks caused by improper tubing and taping methods.

Freon Shortage - Case 10

Adding Freon for Extended Tubings

Ensures proper freon addition after extending tubings.

Gas Leakage on Welded Points

Addresses gas leakage on welded points for extending tubings.

Cooling Capacity - Case 11

Air Intake Space

Ensures adequate space for air intake to maintain cooling capacity.

Air Discharge Space

Ensures adequate space for air discharge to maintain cooling capacity.

Cooling Capacity - Case 12

Window Unit Air Intake

Ensures proper air intake for window type air conditioners.

Window Unit Air Discharge

Ensures proper air discharge for window type air conditioners.

Cooling Capacity - Case 13

Outdoor Unit Installation in Verandah

Addresses issues with outdoor unit installation in verandahs affecting cooling.

Improper Awning Installation

Ensures proper awning installation for optimal outdoor unit performance.

Cooling Capacity - Case 14

Crushed Tubes

Addresses cooling capacity reduction due to crushed tubes.

Incorrect Tubing

Addresses cooling capacity reduction due to use of incorrect tubing.

Cooling Capacity - Case 15

Long Distance Tubings and Height Difference

Addresses cooling capacity reduction due to long tubings and excessive height difference.

Noise - Case 16

Unstable Unit Installation

Addresses noise and vibration from unstably installed units.

Loose Fittings and Fasteners

Addresses noise and vibration from loose fittings and fasteners.

Noise - Case 17

Unstable Tubing Fixation

Addresses noise and vibration caused by unstably fixed tubings.

Wiring Mistake - Case 18

Loose Power Line Screws

Addresses issues from poorly fixed electric power line screws.

Outdoor Fan Wiring Mistake

Addresses issues from incorrect wiring of the outdoor fan's power lines.

Wiring Mistake - Case 19

Poor Electric Insulation

Addresses major electrical problems due to poor insulation of connecting cables.

Bad Smells & Gases - Case 20

Drain Line Smells and Gases

Addresses bad smells and gases delivered by the drain line.

ANNEX 4 R407C REFRIGERANT

General Information

Provides general information about R-407c refrigerant properties and handling.

Differences between R-407c and R22

Compares R-407c and R22 refrigerants in charging, composition, and leak detection.

ANNEX 5 INSTALLATION INSTRUCTION

Part 1 Wall-mounted Split Type

Provides installation instructions specific to wall-mounted split type air conditioners.

INSTALLATION

Characteristics of Refrigerant

Discusses temperature-pressure relationships and refrigerant properties.

Strong/Weak Points of Freon

Details the advantages and disadvantages of freon refrigerants.

Tools Required

Tools for Installation

Lists essential tools required for air conditioner installation.

Installation Accessories

Lists necessary accessories for air conditioner installation.

Split Type Installation

Select the Best Location

Guidance on selecting optimal indoor and outdoor unit locations.

Piping Length and Elevation

Specifies requirements for piping length and elevation differences.

Installation Plate and Wall Drilling

Mounting the Installation Plate

Instructions for securely mounting the indoor unit installation plate.

Drilling the Wall Hole

Guidance on drilling the correct size and position for piping through the wall.

Flaring Work and Piping Connection

Pipe and Cable Preparation

Steps for cutting pipes and cables, and removing burrs for flaring.

Flaring Process and Check

Details the flaring technique and how to check for proper flare work.

Indoor Piping and Drain Hose Connection

Routing and Securing Indoor Piping

Instructions for routing indoor tubing and drain hose, and connecting cables.

Indoor Unit Installation

Steps for hanging and securing the indoor unit onto the installation plate.

Connecting Pipings and Drain Hose

Guidance on connecting pipings and drain hose to the indoor unit.

Outdoor Piping Connection

Aligning and Tightening Outdoor Piping

Instructions for aligning and tightening outdoor unit piping connections.

Routing Indoor Unit Piping

Instructions for routing indoor unit piping across the chassis.

Connecting Indoor and Outdoor Unit Cables

Connecting Cable to Indoor Unit

Step-by-step guide for connecting cables to the indoor unit terminals.

Connecting Cable to Outdoor Unit

Instructions for connecting cables to the outdoor unit control board.

Drainage and Piping Formation

Checking the Drainage

Ensures proper drainage by checking evaporator water flow and connections.

Forming the Piping

Guides on how to form piping with insulation and secure it.

Air Purging

Air Purging Procedure

Details the importance of purging air and moisture from the system.

Air Purging with Vacuum Pump

Step-by-step guide using a vacuum pump for air purging.

Test Running

Remote Control Preparation

Instructions for preparing the remote control for test running.

Outdoor Unit Settlement

Ensures secure and stable installation of the outdoor unit.

Performance Evaluation

Steps to check refrigerant charge and air temperature difference after operation.

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