Attic Shield Installation; Roof Support Installation - Vermont Castings 33CFDVNV Installation And Operating Instructions Manual

CFDV Series Gas Fireplace
Install Attic Insulation Shield
WARNING! Fire Risk. DO NOT allow loose ma-
terials or insulation to touch vent. VCG/HHT
requires the use of an attic shield.
THE NATIONAL FUEL GAS CODE ANSI Z223.1 RE-
QUIRES AN ATTIC SHIELD CONSTRUCTED OF
26 GAUGE MINIMUM METAL THAT EXTENDS AT
LEAST 2 IN. (51 mm) above insulation.
Attic shields must meet specified clearance and be
secured in place.
1. Flat Ceiling Installation
• Remove one shield from box.
Cut previously installed batt insulation to
make room for the attic insulation shield.
• Wrap shield around pipe if pipe is already installed
in area to be insulated.
• Match the three holes in each side and fasten with
three screws to form a tube.
• One or more tabs may be folded outward on the
bottom of the shield to allow attachment to ceiling
firestop.
• Bend remaining tabs inward on bottom of shield
where it rests on the ceiling firestop to maintain
the air space between the pipe and shield. Set the
shield on the ceiling firestop.
• Bend all tabs inward 90° around the top of the
shield. These tabs must be used to prevent blow-in
insulation from getting between the shield and vent
pipe, and to maintain clearance.
2. Vaulted Ceiling Installation
• Remove one shield from box.
Cut previously installed batt insulation to
make room for the attic insulation shield.
• Cut the attic insulation shield (if application is for
vaulted ceiling) using a laser-etched cut line, to
fit your ceiling pitch. Snip cut edge to create three
bend tabs.
• Wrap shield around pipe if pipe is already installed
in area to be insulated.
• Match the three holes in each side and fasten with
three screws to form a tube.
• One or more tabs may be folded outward on the
bottom of the shield to allow attachment to ceiling
firestop.
30
• Bend remaining tabs inward on bottom of shield
where it rests on the ceiling firestop to maintain the
air space between the pipe and shield. Set the shield
on the ceiling firestop.
• Bend all tabs inward 90° around the top of the
shield. These tabs must be used to prevent blow-in
insulation from getting between the shield and vent
pipe, and to maintain clearance.
Bend all tabs inward
90° to maintain
clearance and
prevent insulation
from falling inside
Figure 57 –
Attic Insulation Shield
Roof Support
1. Fasten the roof support to the roof sheathing using
2" wood screws provided. Figure 58. Ensure that the
termination pipe is centered and has a minimum of
1" clearance on all sides from combustible materials.
Figure 59
2. Slip the rigid pipe section into the roof support to the
required height and tighten the two clamping bolts to
secure pipe. Also, level pipe vertically (plumb) and
secure by tightening the leveling bolts.
The roof support must be installed as
shown. Weld stud location to top for ease
of installation.
Figure 58 –
Roof Support
KT1076
VENTING INSTALLATION
Insert 3
screws
Bend 4 tabs
inward 90°
to maintain
clearance
Clinch Stud
Roof Support
20306739