This user manual provides instructions for installing and operating a DS range VFC elevator control system. The manual includes specifications for the DS-VFC and descriptions of terminals. It provides directions for installing limit switches, hall lanterns, and communication boards. The manual also covers auto-tuning inverters, encoder connections, manual operation procedures, and setting door times, speeds and floors from the loader interface. Troubleshooting tips are included for fixing non-opening or closing doors as well as checking safety devices and communication status.