Securing the back plate Wall installation 1 : Take the cross recessed round head wood screws and drywall anchors out of the accessory bag. 2 : Mount the back plate to a flat surface. Drywall anchors Cross recessed round head wood screws CAUTION • Install the controller on a flat surface only. • To prevent deformation of the back plate, avoid over-tightening the installation screws. • If tightened too much, the back plate will be deformed and the upper casing will come off easily. If the upper casing comes off easily, loosen the screws and correct the deformation. 9