LiftMaster SL3000UL SL3000UL Manual - Page 11

Installation I N S T A LL A T I O N S E T U P s Front or Rear Position with Single Operator UL approved catch roller with safety cover. Front Position 2 inch wire grid safety screen 48 inches high. Low Voltage UL approved conduit High Voltage UL approved conduit Maximum gate length 37 ft. Maximum gate length with long gate kit: 51 ft. Concrete Pad Maximum gate weight varies for operators. UL approved catch roller with safety cover. Rear Position Idler pulley MUST have safety cover. Warning Placard on both sides of gate. Earth Ground is highly recommended. Use the proper type earth ground rod for your area. Weld physical stops on ends of gate rail. Master/Second Operators Maximum gate length 37 ft. for each gate. UL approved catch rollers with safety covers. Maximum gate weight varies for operators. Separate power supply for each operator. Warning Placard on both sides of each gate. 2 inch wire grid safety screen 48 inches high. Low Voltage UL approved conduit High Voltage UL approved conduit Earth Ground is highly recommended for each operator. Use the proper type earth ground rod for your area. 9 Weld physical stops on ends of gate rail. Concrete Pad