I bought a new heat pump condenser it might be 2 year old from a surplus warehouse do
The manufactory precharge heat pump with freon an oil

Are you trained and licensed in the handling of refrigerant?

I want to know if heat pump precharged before leaving the factory

Quote:

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Originally Posted by jasmarie1

i want to know if heat pump precharged before leaving the factory

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Most if not all units contain refrigerant when they leave the factory BUT the amount of refrigerant contained in the unit is not in most cases considered an exact charge. The installer will still have to add or remove refrigerant from the system to attain the exact Superheat or Sub-cooling setting as stated or required by the factory design engineering team.

In other words you just cannot hook it up and let it run. The charge is critical and will need to be adjusted. A recovery/reclaim machine, vac pump, and other professional tools along with an EPA certificate for dealing with refrigerant will be necessary to safety do the job.