SCROLL COMPRESSORS

The compressor is the heart of every compression refrigeration circuit. It takes refrigerant in vapour form from a low pressure level (low-pressure suction side) to a high level (high- pressure discharge side).
There are several compressor types. For example, there are scroll compressors, screw compressors, rotary vane compressors, turbo compressors and reciprocating compressors. Today, market is focusing on scroll compressors for refrigeration applications.

Scroll compressors are in widespread use in air-conditioning systems (their classic application is chiller). Scroll compressors are also gaining an increasing share of the market in the heat pump sector too. However, scroll compressors are highly suitable for refrigeration applications as well.

Efficiency
Approximately 35 percent of the electrical energy consumed each year in the United States is used by HVACR systems. Compressors make up a vast majority of the energy used in air conditioning and refrigeration systems. That means compressor selection is key to improving the overall efficiency of HVACR systems. As the industry prepares for another regulatory change – this time the phaseout of R-22 refrigerants in favor of the more environmentally friendly R-410A – it will benefit from the versatility and efficiency of scroll compressor technology.

Environment
As the industry transitions from R-22 refrigerants to the more environmentally friendly R-410A, a surprising event has occured. Adoption is taking place faster than anticipated.

Reliability

70 percent fewer moving parts
Ability to start under any system load, without start components
Compact, light-weight design
No complex internal suction and discharge valves for quieter operation and higher reliability