What should be done after reaching the required recovery vacuum on an appliance?A. Immediately disconnect the recycling or recovery equipment, and open the system for service.B. Wait for at least a few minutes to see if the system pressure rises.C. Break the vacuum with nitrogen and open the system for service.D. Pressurize the system with nitrogen and perform a leak check.

Respuesta :

Answer: B. Wait for at least a few minutes to see if the system pressure rises.

Explanation:

The thing to be done after reaching the required recovery vacuum on an appliance is to wait for at least a few minutes to see if the system pressure rises.

Waiting for at least a few minutes to see if the system pressure rises is necessary in order to show if there's still refrigerant that is either in liquid form or probably in the oil.