Scan QR code or get instant email to install app
Question:
When charging an R-410a water chiller, you must first charge with vapor to a pressure of at least ______ before switching to liquid charging.
A
120 psig
explanation
When charging an R-410a water chiller, you must first charge with vapor to a pressure of at least 120 psig before switching to liquid charging.
Take more free practice tests for other PASSEMALL topics with our epa practice test now!
Related Information
Comments