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Technical specifications including capacity, noise, power, dimensions, and operating ranges.
Methods for adjusting system capacity based on temperature and piping conditions.
Explanation of the VRF system's working principle, refrigerant cycle, and components.
Detailed explanation of the wired controller's buttons, LCD graphics, and display symbols.
Overview of the GREE commissioning software, connection methods, and required tools.
Detailed steps for installing the GREE commissioning software and its components.
Procedures for installing the outdoor unit, including checks, site selection, and fixing.
Instructions for installing various types of indoor units, including electrical connections.
Comprehensive guide on unit debugging, including preparation, procedures, and status codes.
Steps to take before starting unit debugging, ensuring correct connections and conditions.
Detailed debugging steps, status codes, and LED indicator interpretations.
Information on system malfunctions and how to interpret indicator lights.
Systematic troubleshooting procedures for common issues and error codes.
General approach and flowchart for diagnosing and resolving communication malfunctions.
Troubleshooting flowcharts for various system protections like high pressure and discharge temperature.
Step-by-step instructions for removing and replacing key components of the VRF system.
Detailed procedures for removing panels, compressor, blades, valves, and other major parts.
Procedure and requirements for vacuum drying the VRF system's pipelines.
Steps and calculations for correctly filling and charging the system with refrigerant.
Importance and procedure for performing airtightness tests to detect refrigerant leaks.
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General