The control system of air handling unit is controlled by temperature controller and humidity controller to control electric control valve and electric control valve (humidification / dehumidification). The main function of this system is to provide users with a comfortable environment and the purpose of energy saving. Avoid the refrigeration / heating unit system to keep working, so that the equipment life is longer. The function of differential pressure switch is to detect the pressure on both sides of the filter screen, so as to cause adverse consequences to the equipment when the filter screen is blocked or the pressure at both ends is unbalanced. Double cold source is available . DX air conditioner+chilled water type available .

