Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Tosot TW12HQ3D6DO
Summarization of Contents
Part I : Technical Information
1. Summary
Lists indoor and outdoor unit models, remote controller details, and a model list.
2. Specifications
Detailed technical specifications for cooling, heating, power, dimensions, and noise levels.
2.2 Operation Characteristic Curve
Graphs showing current vs. compressor frequency for cooling and heating.
2.3 Capacity Variation Ratio
Graphs showing capacity ratio vs. outdoor temperature for cooling and heating.
2.4 Cooling and Heating Data Sheet
Data tables for cooling and heating performance at rated frequency.
2.5 Noise Curve
Graphs illustrating noise levels based on fan speed and compressor frequency.
3. Outline Dimension Diagram
3.1 Indoor Unit Dimensions
Diagrams and a table detailing the physical dimensions of the indoor units.
3.2 Outdoor Unit Dimensions
Diagrams illustrating the physical dimensions of the outdoor units for different models.
4. Refrigerant System Diagram
4.1 09/12K Refrigerant Diagram
Schematic showing the refrigerant flow and components for the 09/12K model.
4.2 18/24K Refrigerant Diagram
Schematic showing the refrigerant flow and components for the 18/24K models.
5. Electrical Part
5.1 Indoor Unit Wiring Diagram
Detailed wiring diagram for the indoor unit, including component connections and wire colors.
5.1 Outdoor Unit Wiring Diagrams
Wiring diagrams for outdoor units (09/12K and 18K models).
5.2 Indoor Unit PCB Printed Diagram
Top and bottom views of the indoor unit PCB, with a numbered component list.
5.2 Outdoor Unit PCB Printed Diagrams
Top and bottom views of the outdoor unit PCB for 09/12K models, with a numbered component list.
6. Function and Control
6.1 Remote Controller Introduction
Overview of remote controller buttons, display icons, and operational notes for basic functions.
Remote Controller Button Functions
Explains the operation of specific remote control buttons like FAN, MODE, TIMER, etc.
6.3 Ewpe Smart App Operation
Details on smart app control, including flow chart, system requirements, and installation guide.
6.4 Modes and Functions Overview
Explains operating modes (Cooling, Dehumidifying, Heating) and basic functions including protection mechanisms.
Part II : Installation and Maintenance
7. Safety Precautions and Warnings
Essential safety guidelines and warnings for installation, electrical work, and refrigerant handling.
Main Tools for Installation and Maintenance
Illustrated list of essential tools required for installation and maintenance tasks.
8. Installation
Procedures for installing the unit, including dimension diagrams, location selection, and connection requirements.
8.1 Installation Dimension Diagram
Diagrams showing required installation clearances for indoor and outdoor units.
8.2 Installation Parts-checking
Lists parts required for installation and checks to be performed.
8.3 Installation Location Selection
Guidelines for choosing appropriate locations for indoor and outdoor unit installation.
8.4 Electric Connection Requirements
Safety precautions, grounding instructions, and wiring requirements for electrical connections.
8.5 Indoor Unit Installation
Step-by-step guide for installing the indoor unit, including mounting and pipe connection.
8.6 Outdoor Unit Installation
Detailed procedures for installing the outdoor unit, including support, pipe, and wire connections.
8.7 Vacuum Pumping and Leak Detection
Procedures for vacuum pumping the system and detecting refrigerant leaks.
8.8 Installation Checks and Test Operation
Final checks and procedures for testing the installed air conditioning unit.
9. Maintenance
9.1 Error Code List
A comprehensive list of error codes, their display methods, AC status, and possible causes.
9.2 Troubleshooting Procedures
Flowcharts and steps to diagnose and resolve common malfunctions, starting with temperature sensor issues.
Outdoor Unit Troubleshooting
Diagnostic flowcharts for common outdoor unit malfunctions, starting with capacity charging issues.
9.3 Troubleshooting for Normal Malfunction
Guide to resolving normal operational issues like failure to start or poor cooling/heating performance.
10. Exploded View and Parts List
10.1 Indoor Unit Parts List
Exploded view diagram and part numbers for the 09/12K indoor unit.
10.2 Outdoor Unit Parts List
Exploded view diagram and part numbers for the 18/24K outdoor unit.
11. Removal Procedure
11.1 Indoor Unit Removal Procedure
Step-by-step guide with diagrams for removing components of the indoor unit.
11.2 Outdoor Unit Removal Procedure
Step-by-step guide with diagrams for removing components of the outdoor unit.
Appendix
Appendix 1: Temperature Conversion Chart
Table for converting between Fahrenheit and Celsius temperatures for set and ambient conditions.
Appendix 2: Connection Pipe Configuration
Details on standard, minimum, and maximum lengths for connection pipes, including refrigerant oil requirements.
Appendix 3: Pipe Expanding Method
Step-by-step guide with diagrams on how to properly expand pipe ends to prevent refrigerant leaks.
Appendix 4: Temperature Sensor Resistance Table
Tables listing resistance values for temperature sensors at various Celsius temperatures.
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