When the system pressures are lower than the pressure in the refrigerant tank, such as when the system has just been evacuated or if the system is out of refrigerant, refrigerant can be added to both the high and low pressure sides of the system.

Question

Quizplus · Accepted Answer

When the system pressures are lower than the pressure in the refrigerant tank, refrigerant can be added to both the high and low pressure sides of the system to bring it back to its designed operating conditions.

When the System Pressures Are Lower Than the Pressure in the Refrigerant