Desa VC42N SERIES Owner's Operation And Installation Manual page 9

VENTING INSTALLATION
INSTRUCTIONS
Continued
WARNING: Do not recess vent termination into
any wall. This will cause a fire hazard.
6.
Noncombustible Exterior Wall:
cap in the center of the 8
exterior wall with four wood screws provided. Before attach-
ing the vent cap to exterior wall, run a bead of non-hardening
mastic (pliable sealant) around the outside edges to make a seal
between it and the outside wall. Note: The four wood screws
provided should be replaced with appropriate fasteners for
stucco, brick, concrete or other types of sidings.
Combustible Exterior Wall:
exteriors, a siding standoff may be installed between the vent
cap and exterior wall. The siding standoff prevents excessive
heat from damaging the siding materials. Siding material
must be cut to accommodate standoff. Bolt the vent cap to the
standoff. Apply non-hardening mastic around outside edge of
standoff. Position the standoff/cap assembly in the center of
the 10 / " square hole and attach to exterior wall with wood
3
4
screws provided (see Figure 11). The siding standoff must sit
flush against the exterior fascia material.
7.
Combustible Exterior Wall Only:
the vent pipe before connecting horizontal run to vent cap (see
Figure 12).
8. Carefully move fireplace, with vent assembly attached, toward
wall and insert vent pipe into horizontal termination. The pipe
overlap should be a minimum of 1
Figure 10 - Installing Horizontal Vent Cap
(Noncombustible Exterior)
116236-01A
Position the horizontal vent
/ " round hole and attach to the
1
2
For vinyl siding, stucco or wood
Slide the wall firestop over
/ " (see Figure 13, page 10)..
1
4
Vent Cap
Wood Screw
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VENTING INSTALLATION INSTRUCTIONS
Installation Planning (Cont.)
Apply Mastic
to All Four Sides
Figure 11 - Installing Siding Standoff (Combustible
Exterior Wall)
Vent Cap
(Horizontal
Termination)
Figure 12 - Connecting Vent Cap with Horizontal Vent Pipe
Cut Siding Away
to Fit Standoff
Standoff
Wood Screw
Vent Cap
Screws
Interior Wall
Surface
Wall
Firestop
Horizontal
Vent Pipe
Screw
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