... Cooling Durable,Economical,High-COP CE,RoHS approval DC INVERTER R410A AIR TO WATER 20KW (split type)Inside unit include ... , plate heat Exchanger and inside connectionOutside unit with DC inverter R410a, electrical expansion valve, compressor heater, bottom ... 98coolingkW6.5COP3.97EER2.78CompressortypeScrollQuantity2(one is on/off type, Another is inverter)BrandHitachiOperation ambient range°C-20- ...