All installations and services must be performed by qualified service personnel.
leading away from the furnace must be composed of 3-inch diameter PVC pipe and pipe fittings only. Refer to item E in Figure 8.
b.After preparation of the internal 2-inch diameter PVC pipe sections, put a thin bead of a silicone rubber type sealant around the outlet flange of the inducer. Slip the 2-inch diameter PVC elbow (for the model series CDX3 in horizontal applications, a 2-inch diameter PVC tee) over the inducer outlet flange. Drive one (1) #8 x 3/4 inch sheet metal screw with black protective coating (supplied with furnace) through the elbow and into the outlet flange of the inducer to secure the elbow in place.
Figure 9: Typical Internal Vent
Piping Arrangement for the
Furnace Model Series CHX3.
Figure 10: Typical Internal Vent Piping Arrangement for the Furnace Model Series CDX3-100 / - 125.
Figure 11: Typical Internal Vent Piping Arrangement for the Furnace Model Series CDX3-100 / - 125 in RH Horizontal Applications.
c.Using PVC cement, glue the pre-cut 2-inch diameter thermoplastic pipe, from step (a) above, to the 2-inch diameter PVC elbow (for the model series CDX3 in horizontal applications, the 2- inch diameter PVC tee). Couple the drain tee assembly to the pre-cut 2-inch diameter PVC pipe using the reinforced rubber hose and the two (2) band clamps supplied.
