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Safety
The recovery equipment should be operational with a set of instructions about
the device available and appropriate for flammable refrigerant recovery.
Ensure the recovery equipment does not create potential ignition risks and is
compatible with the refrigerant being used.
Prepare a set of calibrated weighing scales of good working conditions.
Hoses should have leak-free disconnected couplings of good working conditions.
Before using the recovery machine, verify its operational state, proper
maintenance, and that any related electrical components are sealed to prevent
ignition if a refrigerant leak occurs. Contact the manufacturer if there are any
uncertainties.
Return the recovered refrigerant to the refrigerant supplier in the correct recovery
cylinder, and arrange the relevant Waste Transfer Note.
Refrigerants should not be mixed in recovery units, and especially not in
cylinders.
If compressors or compressor oils need to be removed, they should be
evacuated to an acceptable level to ensure no flammable refrigerant remains in
the lubricant.
The evacuation process should be completed before returning the compressor to
the suppliers.
Only electrical heating to the compressor body should be used to accelerate this
process.
When draining oil from a system, it should be done safely.
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