... the use of electric devices products,to control the electric valve opening and closing.Specification1, ... .2,Control power, BFA-1 1.1Kw BFA-2 1.1Kw-4 Kw.3,Environment Temperature, - ... 14 terminal can not answer. Electric valve controller for automatic control system, 12, 13, 14 terminals used to " ... is lit, live remote control switch point to the remote control, remote control indicator lights .4,Hand ...