After recovering refrigerant from a sealed system if nitrogen is used to pressurize or blow debris out of the system the nitrogen:

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Patience Haas

Physics

29 May, 16:24

After recovering refrigerant from a sealed system if nitrogen is used to pressurize or blow debris out of the system the nitrogen:

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Dominique Armstrong · Answer 1

After recovering refrigerant from a sealed system, if Nitrogen is used to pressurize or blow debris out of the system, the nitrogen can be vented because air is composed of 80% of Nitrogen gas.

After recovering, the refrigerant should be returned to the appliance from which it was removed.