Refer to the charts provided in the instructions to determine which settings you should use. The settings vary by bulb type and wattage.
Slide the disk into the appropriate location on the cylinder. Align the appropriate cylinder hole with the appropriate disk hole. Place the screws provided into the appropriate disk hole and thread them into the cylinder hole. Tighten the screws with a screwdriver.
Slide the "All System Cord Set" into the dock on the side of the light fixture. Fasten the "All System Cord System" to the light fixture using a screwdriver and the 10/24 screws that are provided.
Attach anchors that can hold at least 50 pounds to the studs in the ceiling above your growing area. Use expansion anchors if you cannot locate the studs or if they are not present.
Place the hooks of the chain hangers provided into the appropriate holes on both sides of the light fixture. Face the hooks inwards. Suspend the light fixture from the ceiling by attaching the hangers to the anchors in the ceiling above.
Secure the electrical cord attached to the "All System Cord Set" to one of the hangers using the cable tie provided. Run the electrical cord along the ceiling and down the wall to an electrical source.