Service manual

d. Trial Running

1) Check before the Trial Running

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Check if the appearance of the unit and the piping system are damaged during the transportation.

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Check if the wiring terminals of the electronic component are secure.

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Check if the rotation direction of the fan motor is right.

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Check if all valves in the system are fully opened.

2) Trial Running

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The trial running should be carried out by the professionally skilled personnel on the premise that all items listed

above are in normal conditions.

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Let the unit energized and switch the wired controller or the remoter controller to “ON”.

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The fan motor and compressor of the outdoor unit will run automatically in one minute.

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If there is some unusual sound after the compressor is started, turn off the unit for an immediate check.