The recovered refrigerant shall be returned to
the refrigerant supplier in the correct
recovery cylinder, and the relevant Waste Transfer
Note arranged. Do not mix refrigerants
in recovery units and especially not in cylinders.
If compressors or compressor oils are to be
removed, ensure that they have been
evacuated to an acceptable level to make certain
that flammable refrigerant does not
remain within the lubricant. The evacuation process
shall be carried out prior to returning
the compressor to the suppliers. Only electric
heating to the compressor body shall be
employed to accelerate this process. When oil is
drained from a system, it shall be carried out safely.
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