Daikin RZVFQ50 Installation Manual

�START�Check the existingpipe sizeStandard sizeNon-standardsize ReuseeW.g�a I I owedSee if the already installed air conditioner can operate and perform f--_______,a pump-down operation.Both operation and pump-down are possibleCheck the existingpipe length.20m or lessAfter 30 minutes of cooling operation, proceedwith pump-down operation without interruption.Remove the existingair conditioner.PRECAUTIONS ON REFRIGERANT PIPING■ Clean pipe if existing air conditioner is [gas, oil heat pump type].■ Clean pipe if used compressor oil in existing air conditioner is other than[SUNISO, MS, HAB, Barrel freeze, JOMO, Ethereal oil, Ester Dill.■ Clean pipe if existing indoor and outdoor unit is disconnected.■ Change new pipe if refrigerant leakage or it should adding refrigerant.■ Change new heat insulation if existing part is peeling off.Operation not possiblepump-down operation not possible.(Note)(])Clean the pipe if refrigerantleakage and unit has notservice port ongas-I iquid stop valve.(2)If indoor unit equipped withEV valve, open that valve beforerecovery refrigerant.@ Maximum pipe length as per specifiedon next page......�:::c0-I0:;;tJmIC:enm-I:::cmm><en::!zG)-a-azG)66