The Thermostat Cable assembles to the low voltage terminal strip on the front of the box with 1/4• quick connects and connects to the ceiling shroud. Insure that the set screw is retracted sufficientl...The Thermostat Cable assembles to the low voltage terminal strip on the front of the box with 1/4• quick connects and connects to the ceiling shroud. Insure that the set screw is retracted sufficiently to allow installation over the basepan extrusion.The heater bracket must be installed over the metal basepan extrusion and positioned between the basepan and the plastic drain pan. Press the cloth duct uniformly around the perimeter of the opening to adhere the cloth duct to the plastic chute.