Installation Way 150mm 150mm 150mm 30mm 30mm 30mm 30mm 30mm 150mm 150mm 150mm Single installation Multiple installation ！ To ensure effective cooling through fans and natural convection, leave enough space around the driver for heat dissipation during installation. To ensure good heat dissipation effect, install a fan above the cabinet where the driver is installed to draw air outward. Ensure that the heat dissipation duct in the cabinet is the air inlet under the cabinet and the air outlet above the cabinet. Notice 14 SD700 Series Servo Technical Manual