Hog Slat Inc. Newton Grove, NC USA APRIL 2024 REV IR 5 Ventilation 2. Wiring: Power drive unit has an attached power cord containing (4) wires identified as follows: L Direction HI L1 Direction HII Common Green/yellow stripe ground Determine the direction of rotation needed to achieve OPEN and CLOSE directions for the application. Apply rated voltage for the particular model to either L or L1 wires and Common to operate machine. 3. Setting travel limits: With limit switch cover removed from step 1. The Power Drive unit limit switch can be set up without power to the drive. Use a drill drive along with the hex bit found in the rubber gasket underneath the limit switch cover. At the end of the motor (fan end) there is a mating female hex socket. First reset limits using the instructions below. Then use the drill to rotate the motor until the load is in the desired position. Note the direction of rotation required to bring load to that position. Once the first direction is set, change directions of the drill and move load to the opposite position. Locate the control buttons on the LSC40 electronic limit switch. Apply power to drive and test in both directions and confirm unit stops at the desired positions HI HII S H I H II RESET LIMITS Press “HI” and “HII” at the same time. While pressing them, press “S” button and hold until LED indicators for position HI and HII turn red. SET LIMITS EITHER HI or HII DIRECTIONS Press the “S” button and hold then press HI or HII depending on the direction of rotation. Hold until the LED light for that direction turns green. Repeat for other direction. To review the settings: Press “S” button. Limits that are set will be GREEN. Limits that are not set will be RED. Scan QR code for video on setting limit switch
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