CDVSC7 & CDV7 Series Gas Fireplace
69D3011
1
VenTInG InSTallaTIon
VeRTICal SIDewall InSTallaTIon -
TwIST loCk pIpe
Step 1
Locate vent opening on the wall. It may be necessary to
first position the fireplace and measure to obtain hole lo-
cation. Depending on whether the wall is combustible or
noncombustible, cut opening to size.
Figure 26
(For com-
bustible walls first frame in opening.)
noTe:
When using flex vent, the opening will have to be
measured according to the 1/” (13 mm) rise in 1” (305
mm) vent run.
Combustible walls:
Cut a 9
B\,
”H x 9
%\,
”W (44 x 44 mm)
hole through the exterior wall and frame as shown.
Figure
26
noncombustible walls:
Hole opening must be 7
Z\x
” (191
mm) in diameter.
VO584-100
Vent Opening
2/99 djt
Vent opening for Combustible walls
9
B\,
”
(44 mm)
Fireplace Hearth
Framing Detail
opening for noncombustible wall
7
Z\x
”
(190 mm)
Fireplace Hearth
FP93
Figure 26 -
Locate Vent Opening on Wall
9
B\,
”
(44 mm)
Step 2
Secure firestop to the inside frame, center in the 9
B\,
" x
9
B\,
" vent opening.
Step 3
Place fireplace into position. Measure the vertical height
(X) required from the base of the flue collars to the center
of the wall opening.
Figure 27
X
X
FP1181
Figure 27 -
Vertical Height Requirements
Step 4
Using appropriate length of pipe section(s) attach to fire-
place with three (3) screws. Follow with the installation of
the inner and outer elbow, again secure joints with three
(3) sheet metal screws.
Step 5
Measure the horizontal length requirement including a ”
(51 mm) overlap, i.e. from the elbow to the outside wall
face plus ” (51 mm) (or the distance required if installing
a second 90° elbow).
Figure 28
always install horizontal venting on a level
plane.
X
X
FP118
Figure 28 -
Horizontal Length Requirement
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