Daikin VRV III RXYQ5-54PY1 Service Manual page 168

Si34-601A
1.2.6 Test Run
1.2.6.1 Before Test Run
• Make sure the following works are completed in accordance with the installation manual.
• Check that all work for the indoor unit are finished and there are no danger to operate.
1.2.6.2 Test Run
After check operation is completed, operate the unit normally and check the following.
(1) Make sure the indoor and outdoor units are operating normally.
(2) Operate each indoor unit one by one and make sure the corresponding outdoor unit is also
(3) Check to see if cold (or hot) air is coming out from the indoor unit.
(4) Push the fan direction and strength buttons on the remote controller to see if they operate
NOTE:
• Heating is not possible if the outdoor temperature is 24°C or higher. Refer to the Operation
• If a knocking sound can be heard in the liquid compression of the compressor, stop the unit
• Once stopping, the compressor will not restart in about 5 minutes even if the On/Off button of
• When the system operation is stopped by the remote controller, the outdoor units may
• The outdoor unit fan may rotate at low speeds if the Night-time low noise setting or the
Test Operation
Piping work
Wiring work
Air tight test
Vacuum drying
Additional refrigerant charge
operating.
properly.
manual.
immediately and then energize the crank case heater for a sufficient length of time before
restarting the operation.
the remote controller is pushed.
continue operating for further 5 minutes at maximum.
External low noise level setting is made, but this is not a malfunction.
Test Operation
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