Copeland's A / C compressors are mainly designed for low- and high-pressure air conditioning and process cooling applications, and can also be used with water chillers, roof-tops and close control units. They are responsible for removal of heat-laden vapour refrigerants from the evaporator inside the air conditioning system. These high-quality compressors are precisely machined and come with an internal pressure relief (IPR) valve to avoid damage from overheating. They have low total equivalent warming impact (TEWI), low sound and vibration levels, and low oil circulation rate. These Copeland Scroll compressors are compatible with R-22 and R-410A refrigerants, and have heating capacities ranging between 15500 and 319000 btuH.