>> General
HTW-EG200 Series Motorized Ball Valves are used to control the on/off of heat/cool water
air-conditioning system pipe to control the room temperature. The valve is driven by
synchronous motor. The motor connects with room thermostats by the terminal of
common, open and close. By sampling and dealing with the site data, the thermostats
send control signal to open/close the motor of ball valve. Then the heat/cool water
enters into fan coil unit to supply the heat or cool air. When the room temperature reaches
the set-point, thermostat will send a signal to cut off the ball valve and make it on the
best status. Then the room temperature will keep in the comfortable range.