header bg

Question:

When charging an R-410a system that uses a water-cooled condenser, you must first charge with vapor to a pressure of at least _______ before switching to liquid charging.

A 120 psig
Explaination

When charging an R-410a system that uses a water-cooled condenser, you must first charge with vapor to a pressure of at least 120 psig before switching to liquid charging.