... function option, R22,R407C,R410A High COP Air cooled water chiller : ModelESERF12/QRESERF15/QRESERF20/TQR ESERF25/TQRESERF30/TQRESERF35/ ... conditions:ambient temperature DB 35; water inlet temperature 12 water outlet temperature 7Rated heating conditions:ambient ... water outlet temperature 45If there is "()" in model code, that means the power supply of the unit is 220V/50Hz air cooled water chiller ...