... R407C Avaliable 4.CE Certificate Flooded Type High Efficiency Geothermal Ground Source Heat Pump Competitive Advantages:Flooded evaporator with the dry ... heat exchange tubes of 1.3. times. It Can take ground water, surface water (rivers, lakes, sea) and soil as ... touch screen, has the status display, parameter setting, energy control, fault diagnosis and control of such a multi-function, convenient man ...