Bitzer compressor suction pressure is too high Cause repair and maintenance method 1, through the expansion valve, the liquid too. 2, the oil separator oil return valve opening is too large. 3, compressor failure: 1. intake valve leakage. When necessary, replace the new one. 2. Uninstall device mechanism failure, check the oil pressure should be higher than the suction pressure 0.150.3Mpa as normal then stop and check unloader malfunction. Kunshan Andean Europe Refrigeration Equipment Co., Ltd. in the choice of air conditioning refrigeration compressor refrigeration oil, performance and mutual substitution has accumulated a wealth of experience. We have a sound procurement process first-hand purchase channels, a large number of common parts and compressor refrigeration oil stock, to facilitate customers in the most efficient manner and low price subscription to the desired product. Fu Sheng, Bitzer, Han Zhong, Beverly Knight, Carrier, Dunham-Bush, Frascold, Turin is the main brand is currently compressor fields; Clement, Dunham-Bush, Carrier, York, Trane McQuay, Daikin, Hitachi is currently the mainstream brand heat pumps and chillers, our stock covers most of the common parts of these brand on the market, especially for central air conditioning systems and compressors needed to overhaul and major maintenance Supplies We have compiled a comprehensive suite of major maintenance supplies for easy selection.