Installation instructions
Trial Run
Trial run should be performed after refrigerant piping, drain, wiring, etc. have been finished.
CAUTION
The air-conditioner is provided with a crankcase heater, check to ensure that the switch on the main
power source has been ON for more than 6 hours ahead of power on preheating, otherwise it might
damage the compressor!
Do not operate the system until all the check points have been cleared.
(A) Check to ensure that the stop valves of the outdoor unit are fully opened.
(B) Check to ensure the electric wires has been fully connected.
(C) Check to ensure that the electrical resistance is more than 2 MΩ , by measuring the resistance between
ground and the terminal of the electrical parts. If not, do not operate the system until the electrical leakage is
found and repaired.
Trial run function identification
Turn ON the appliance to proceed trial run.
Pay attention to the following items while the system is running.
Do not touch any of the parts by hand at the discharge gas side, since the compressor chamber and the pipes
at the discharge side are heated higher than 90℃.
Test if the appliance can run well.
Turn off the power after trail run is finished.
Installation of the appliance is generally finished after the above operations are done. If you still have any trouble,
please contact local technical service center of our company for further information.
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