... /4" Internal threadcondensate pipe3/4" external threadpower220V/50Hznote1,Cooling condition: the dry bulb temperature27°C,Wet bulb temperature19.5°C ... inlet Water temperature7°C,water temperature difference 5°C2. heating condition: the dry bulb temperature 21°C, inlet water temperature ... 60 °C,water flow is the same with cooling condition.3,tested by2.0MPa,maximum working condition 1.6MPa.