Reznor SCE Unit Installation Manual - Manual (Page 17)

Form RZ-NA I-SCE, Mfg #207697 Rev 7, Page 17
FIGURE 17 - Install Combustion Air Inlet and Vent Terminal
7. On the outside, slide the combustion air inlet
over the vent pipe and fasten the collar to the
combustion air pipe with sheetmetal screws. See
FIGURE 17 . Seal the opening at the top
between the vent pipe and the combustion air
inlet with silicone sealant to prevent water
leakage.
8. Attach the exhaust (vent) cap. Follow the
illustrated instructions in FIGURE 8 , page 9.
FIGURE 18 - Installation of Unit
with Vertical Vent Terminal/
Combustion Air Inlet (Option CC2)
Rear
View
Side V iew
9. Attach the indoor combustion air pipe. Use
sheetmetal screws to attach the single-wall
combustion air pipe run to the collar on the
concentric adapter box.
If using 7” pipe on Sizes 200-400, install a taper
type enlarger as illustrated in FIGURE 11, page
11.
Seal joint with tape or sealant.
Installation of the vertical vent and combustion air system on your separated-
combustion unit is complete. Verify compliance with all venting installation re-
quirements, pages 8-11, and FIGURE 18 below.