All installations and services must be performed by qualified service personnel.
Figure 8: Required Exhaust Vent and Air Intake Piping for CDB1 Furnace in Horizontal Applications.
2.Connecting The Exhaust Vent To The Inducer
a.Slip the end of the 2-inch diameter PVC elbow (for the model CDX1 in horizontal applications, the 2- inch diameter PVC tee assembly) over the outlet of the inducer blower assembly. Measure the length of 2-inch diameter thermoplastic pipe needed to clear the furnace side casing, while allowing for installation of a 2-3/8 inch length of reinforced rubber hose, used as a coupling, within the casing of the furnace. Cut the measured lengths of 2-inch diameter PVC pipe being sure to allow a sufficient length of pipe for connections. Refer to Figures 9, 10 and 11 for assembly details.
NOTICE: For the models CDB1-50 /-75,a length of 2-inch diameter PVC pipe and a 2-inch diameter PVC tee assembly are supplied with each furnace. For the models CDB1-100 / -125, a 3-inch x 2-inch diameter PVC reducer is also supplied.
