... 2m³/h 2,Electric heated tubeParameter:380V/50HZ Power 7.5KW Triphase five-wire system 3, ... Electromagnetic Plate Direction for use 1,Voltage and Power:(1)Voltage range:380V–400V.(2)Frequency range ... ,Make sure the power switch been Turn off. 3,Use screw driver to unscrew the fixed screw on the pole ... :Do not open the purifier when The electric power is on. IVVII,Install of ElectricEquipment: 1, ...