lift

MAIN FUNCTION VVVF drive VVVF door operator Independent running Automatic pass without stop Automatically adjust door opening time Reopen with hall call Express door closing Car stops and door open Car arrival gong Direct Parking Photocell protection Designated stop Overload holding stop Ait-stall timer protection Start protection control Fault self-diagnosis Repeated door closing Up/down over-run and final limit protection Down over-speed protection device Upward over-speed