Leak test: In the final test, the system must be pressurized to 3.0MPA (30kg) for 24 hours without decreasing the pressure.
Vacuum suction: Use a vacuum pump with a large outlet volume that can achieve a high level of vacuum.
Refrigerant addition: Record the amount of refrigerant added to the system in the outdoor unit and in the pre-test operation checklist.
Ceiling panel installation: Make sure the ceiling panel is securely attached to the ceiling material, without looseness.
Test and adjustment operation: Operate the indoor units one by one, checking that all wiring and pipes are correctly connected and complete the checklist.
Owner's Manual Transfer: Explain how to operate the system clearly and concisely.