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good condition. Before using the recovery machine, check that it is in good working
order, has been properly maintained and that all associated electrical components are
sealed to prevent ignition in the event of refrigerant release. Consult the manufacturer
if in doubt.
The recovered refrigerant must be returned to the refrigerant supplier in the correct
recovery bottle and the relevant Waste Transfer Note prepared. Do not mix the refrige-
rants in the recovery units and especially not in the cylinders.
If the compressors or compressor oils need to be removed, make sure they have been
evacuated to an acceptable level to ensure that the flammable refrigerant does not re-
main inside the lubricant. The evacuation process must be carried out before returning
the compressor to suppliers. To accelerate this process, only electrical heating of the
compressor body must be used.
When oil is discharged from a system, it must be performed safely.
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