CFC Certification. Leak testing requirements. Testing procedures

You must have a leak inspection once per calendar year until the owner or operator can demonstrate through the leak rate calculation that the leak rate has not exceeded 10% for 1 year.
So in other words, if you have a system that you had to add refrigerant to it, you fix the leak, you repair the leak, and you have to come back at least once a year to prove that it does not have a leak.
You have to leak test the entire system
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[@felixandoh]

Thank you sir.

[@kennethlobo4420]

Thank U Sir for this video.just a question since N2 has a very high pressure should i add the tracer Refigerant first then the N2 for leak detection?

[@AirConAcademy]

I am sorry I have been having some problems with my computer. Yes first trace refrigerant and then the nitrogen. If you get a chance, check out my webpage airconacademy.com I have other videos on there. Thank you for watching!