1. Auto-fifill-water mode Connect the control's blue line to electric pump,black line is connected to zero-line, black,brown line can not be connected and should be insulated. |
2. Auto-drainage and lack-water protection mode Connect thecontrol's brown line to electric pump,the black line is connected to the zero-line,the blue line can not be connected and should be insulated. |
3. Fill-water and drainage auto-switch mode The chart is fifill-water and drainage auto- switch mode.This elec tric connection chart synthesize by automatic fifill-water and auto-drainage. |