QXR/ c SERIES: The Hermetic Rotary Compressor designed by china national standard GB/ T15765-1995, GB4706.1-1998, GB4706.17-2004 and International standard IEC 60335-2-34: 2002. Apply to the R22 refrigerant , ambient temperature range -5~ 43 , Evaporating temperature-15~ 15 , condensing temperature range 45~ 65 air conditioner & similar application equipment.