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September 11, 2025 5:05 pm
Are the line sets that come with the air conditioners PRE-CHARGED with refrigerant?
It is my understanding that the Line sets and Line set extensions are PRE-VACUUMED and do not have refrigerant in them.
The refrigerant is typically stored in the compressor/outdoor unit and is released into the system when installed.
One would need to pump down the refrigerant to the compressor or to a storage tank when moving or replacing the outdoor unit, otherwise one has to replace the refrigerant. Please clarify.
September 12, 2025 9:56 pm
Yes, the Mini splits units come pre-charged refrigerant.
EG4-AC-DC-Plug-N-Cool-Solar-AC-Manual-12K-24K.pdf
