Four control air conditioner water -logging system control devices

The utility model discloses a four control air conditioner water -logging system control devices, including the backwind tube, fan coil, the temperature controller, the cold water pipe, the hot -waterline, first wet return, the second wet return, first motorised valve and second motorised valve, fan coil include the three -speed fan, cold water coiler, hot water coil pipe and blast pipe, cold water coiler one end and cold water piping connection, the other end and first time water piping connection, hot water coil pipe one end and hot water pipe connected, the other end returns water piping connection with the second, the cold water pipe is connected through the connecting pipe that is equipped with with the hot -water line, and first motorised valve is used for controlling cold water coiler opens and close, and the second motorised valve is used for controlling hot water coil pipe and opens and close, the temperature controller is equipped with " cold " a grade, and " cold " second gear is connected with the