... Heat Pump Water Heater equipment. N Series (Pressurized water tank with built-in coil heat exchanger) AKL N-series air ... , consists of main unit and pressure-bearing temperature-holder tank,they are connected by connection pipe,the main unit runs ... Hz220V/50HzHeating capacityw5000Rated input powerw1200Rated currentA5.5COPCOP4.2Hot water recovery L/h110Discharge water temp°C40-55Ambient temp°C -5-40Main ...