6.Obtain the listed and approved chimney installation instructions and follow exactly.
a)Obtain the starter section of pipe and install on the ZC20 cabinet. It may be necessary to crimp the inside of the starter pipe to ease installation into the ZC20 cabinet.
b)Obtain the two short sheet metal “ell” brackets and sheet metal screws provided with the ZC20 and secure the starter section of pipe to the ZC20 cabinet.
Maintain a 2” minimum clearance
Top Standoffs
CAUTION: Maintain a 3/4” air space between the back and 1 1/2” between the side walls and combustible material.
Install pipe to cabinet by pushing down over the starter section of pipe on the ZC cabinet.
WARNING: Do not pack required air spaces on top of cabinet or around pipe starter section with insulation or other materials.
Figure 5
c)Continue adding lengths of chimney until you are ready to penetrate another ceiling or the roof.
d)Now, plumb bob the center of the ceiling or roof above the chimney and install another firestop for another ceiling penetration or follow pipe manufacturer’s instructions for attic and roof penetration.
e)Once the roof penetration is made, install the flashing.
f)Add applicable lengths of chimney, extending through the roof until the following conditions are met:
1.Chimney height is at least 12’ to 15’ maximum.
2.The chimney must extend a minimum of 3’ above the highest point where it penetrates the roof.
3.The chimney must extend a minimum of 2’ higher than any portion of the building within 10’ of the chimney.
g)Install the chimney cap and storm collar.
