... where system design requires this). The units use R410A refrigerant for the best balance of cold and high ambient temperature operation ... ) Every unit is tested before it leaves our factoryCERTIFICATIONSCE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS ... exhibition halls in Pazhou to PHNIX within 1 hour. See the roadmap below(A stands for the exhibition halls and B stands for the site ...