5
Test Run
Before the Test Run, Make Sure That
IDUs and the ODU are properly installed.
The piping is correct, and the refrigerant piping system has been checked for leakage.
Piping length and the amount of refrigerant charged have been recorded.
The wiring is correct and firm without virtual connection issues. Ground wires have been properly connected.
The voltage of the power supply is the same as the rated voltage of the air conditioner.
Heat insulation is complete.
There are no obstructions at the air inlet and outlet of the IDU and ODU.
Fully open the check valves of the gas pipe and liquid pipe of the ODU.
Turn on the power supply to preheat the ODU for 12 hours.
Test Run
Use the wired/remote controller to control the cooling or heating operation of the air conditioner according to the
instructions.
In the event of a failure, please troubleshoot according to the "Symptoms That Are Not Faults" in the "Precautions for
Use" in this manual.
[ Caution ]
Follow the trial run steps of the ODU.
IDU
The wired/remote controller switch is operating normally.
The display of the wired/remote controller is normal, the function keys work normally, the room temperature
adjustment is normal, and the air flow and direction adjustment are normal.
The LED indicator is on.
Water discharge is normal.
Check the IDUs one by one for normal operation, and the cooling and heating functions are normal without vibration
or abnormal sound.
ODU
There are no vibrations or strange sounds during operation.
The fan, noise and condensation do not affect the neighbors.
There is no refrigerant leakage.
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Installation