1, Air Cooled packaged Chiller 2, Independent refrigeration circuit 3, USA Copeland compressor 4, CE, SGS, ... fluctuate voltage: ±10%, allowable voltage difference in phase: ±2%.5, Scroll hermetic compressor international brand-free maintenance.6, Industrial ... tank and high-lift pumps.7 Designed as an independent refrigeration circuit, each compressor corresponding to one refrigeration circuit ...