... opening and closing.Specification1,Operating valve ,380V 50Hz, three phase four wire system.2,Control power, BFA-1 1.1Kw BFA-2 1.1Kw-4 ... terminal can not answer. Electric valve controller for automatic control system, 12, 13, 14 terminals used to "auto away" ... press the stop key, cut off the three-phase power supply, change any of the three-phase power supply two phase. 5,Press the off button, when ...