Bitzer now offers factory assembled tandem units and trio packages of its GSD8 R-410A scrolls. Tandems are available in both even and uneven units, increasing application flexibility with total capacities ranging from 30-80 tons, says the company.
With the potential to reduce refrigeration-related energy expenses by up to 10 percent, the Copeland Scroll® K5 Refrigeration Compressor is designed for large refrigeration applications (7.5 to 15 hp), says the company.
Designed for high-efficiency heat pump and air conditioning systems, the new Copeland Scroll® variable-speed compressor allows heat pumps to achieve 13 HSPF, 20-plus SEER efficiency, and 40 percent greater year-round energy savings than standard heat pumps, says the company.
Many servicemen experience service calls where the compressor has both a low head pressure and a high suction pressure. There are three main reasons why a compressor will simultaneously have a low head pressure and a high suction pressure.