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.
Tecumseh Products Co. announced the release into India of a new line of dc Masterflux® compressors, designed specifically for battery-cooling applications within the region’s growing telecommunications market.
The AAF-HermanNelson® self-contained unit ventilators with two-stage compressors are ideal for classroom retrofits because they are an affordable alternative to renovations, fit easily into existing ventilator space, offer the ultimate classroom comfort for students and teachers, and meet energy-efficiency requirements, states the company.
When multiple compressors are piped together with a common
suction and discharge header - such as with the arrangement of a parallel rack
configuration - oil return to each compressor is a major concern. Typical oil
recirculation rates are dependent on three factors.