EVDWell is a controller featured two drivers for single pole stepper motor which manages two electronic
expansion valves. EVDWell controls refrigerant superheat and optimizes the efficiency of the refrigerant circuit, guaranteeing maximum flexibility, being compatible with various types of refrigerants and valves (Danfoss, Parker Sporlan, Emerson/Copeland, Saginomiya,
SANHUA, DUNAN etc.). It features low superheat (LowSH), high evaporation pressure (MOP), and low evaporation pressure (LOP) protection, and can manage, as an alternative to superheat control, special functions such as the hot gas bypass, evaporator pressure regulation (EPR) and control of the valve downstream of the gas cooler in transcritical CO2 circuits.
EVDWell has two build-in LED displays and one keypad with four keys, so that the user can change/configure
parameters easily. normally, the user just needs 4 parameters to start basic regulation:
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