AREBOS AR-HE-WP - Service Manual: Decommissioning and Disposal Safety; Decommissioning Safety Procedures; Disposal Safety Measures and Oil Drainage

Original User Manual – AREBOS Mini Heat Pump
22
Decommissioning
▪ If the safety is affected when the equipment is putted out of service, the refrigerant charge shall be
removed before decommissioning.
▪ Ensure sufficient ventilation at the equipment location.
▪ Be aware that malfunction of the equipment may be caused by refrigerant loss and a refrigerant
leak is possible.
▪ Discharge capacitors in a way that won’t cause any spark.
▪ Remove the refrigerant. If the recovery is not required by national regulations, drain the refrigerant
to the outside. Take care that the drained refrigerant will not cause any danger. In doubt, one person
should guard the outlet. Take special care that drained refrigerant will not float back into the
building.
-Evacuate the refrigerant circuit.
-Purgetherefrigerantcircuitwithnitrogenfor5min.
-Evacuate again.
-Fill with nitrogen up to atmospheric pressure.
-Put a label on the equipment that the refrigerant is removed.
a. Disposal
▪ Ensure sufficient ventilation at the working place.
▪ Remove the refrigerant. If the recovery is not required by national regulations, drain the refrigerant
to the outside. Take care that the drained refrigerant will not cause any danger. In doubt, one person
should guard the outlet. Take special care that drained refrigerant will not float back into the
building.
▪ Evacuate the refrigerant circuit.
▪ Purge the refrigerant circuit withnitrogenfor5min.
▪ Evacuate again.
▪ Cut out the compressor and drain the oil.
▪ Evacuate the refrigerant circuit.
▪ Purge the refrigerant circuit with nitrogen for 5min.
▪ Evacuate again.
▪ Cut out the compressor and drain the oil.