Daikin RQYQ140-180PY1 Service Manual

Also see for VRV III-Q RQCEQ360PY1: Operation manual Operation manual Installation manual

Contents

Daikin RQYQ140-180PY1 Service Manual Manual pdf 77 page image

SiBE341001 Test OperationTest Operation 681.3 Checking in Normal Operation After check operation ends, start normal operation.(Heating is not possible if the outdoor temperature is 24°C or higher.)• Check that the indoor and outdoor units are operating correctly.(If any abnormal noise occurs due to liquid compression in the compressor or anothercause, stop operation immediately. Then energize the crankcase heater for a sufficientperiod of time before restarting operation.)• Start the indoor units one by one. Verify that the corresponding outdoor unit is operating.• Verify that cool air (or warm air) is being discharged by the indoor unit.• Press the airflow direction button and airflow rate button of the indoor unit and verify theiroperation.• If any abnormal noise occurs due to liquid compression in the compressor or another cause,stop operation immediately. Then energize the crankcase heater for a sufficient period oftime before restarting operation.• For approximately 5 minutes after the compressor is stopped, the compressor will not starteven when the START/STOP buttons at indoor units in that system are pressed.• Pump-down residual operation may occur for up to 5 minutes at the outdoor unit afteroperation was stopped from the remote controller.• Outdoor unit fan low speed operation may also occur if the Night-time low noise setting orthe External low-noise setting is used.• If check operation after installation was not performed by pressing the TEST button, or if thecheck operation was not completed normally, error code "U3" appears and normal operationis not possible. Be sure to follow the instructions in "1-2. Check Operation" and complete thecheck operation procedure.