Electric two-way valve for HVAC fan coil and air conditioning end of hot water and cold water system control, composed of the drive and copper valve. The drive is driven by a unidirectional tape synchronous motor and the valve spring is reset. When the valve does not work out of the normally closed state. Need to work, by the thermostat to provide open signal, so that the electric valve connected to AC power and action. Open the valve, chilled water or hot water into the fan coil to provide room for air conditioning or heating. When the room temperature reaches the thermostat setpoint. The thermostat turns off the electric valve, and the return spring closes the valve to cut off the flow into the fan coil. Through the valve closed or open. So that the greenhouse is always maintained in the temperature range set by the thermostat.
flexible application, quiet operation, constant torque
Manual control during system commissioning and maintenance