Here is the instruction plus operational manual released by Fuji Electric for their X Model microcontrollers. It includes chapters that are covering the installation of the microcontrollers, notes on wiring and proper usage, specification and troubleshooting.
The installation chapter provides all necessary guidance and maintenance precautions to be taken into account, together with the caution on installation of the microcontrollers and precautions in wiring connection plus the requirements for the key operation and operation in case of abnormalities. Model configuration, dimensions, parts and all other important information have also been covered.