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Heatilator • CNXT4236IT-D, CNXT4842IT-D, CNXT4236IH-D, CNXT4842IH-D • 2360-900 Rev. i • 5/17
9
Appliance Preparation
CAUTION!
Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during instal
-
lation. Sheet metal edges are sharp.
NOTICE:
Once appliance is set up for top or rear venting,
it CANNOT be changed at a later time.
A. Top Vent
Figure 9.1
Cut the seal cap strap across the rectangles
next to the disk. For rear vent, skip this step.
Figure 9.2
Remove the white gasket material covering
the seal cap.
WARNING!
Risk of Fire!
DO NOT remove the installed
piece of insulation from the firebox top on CNXT4842IT-D
and CNXT4842IH-D models. Overheating will occur.
Figure 9.4
Remove the insulation basket and white insu
-
lation from the center vent pipe.
Figure 9.5
Remove the insulation from the outer vent
pipe. For rear venting there is no insulation in the outer
vent pipe.
NOTICE:
Once the seal cap has been removed it CANNOT
be reattached.
Figure 9.3
Remove the seal cap.