Vertical Sidewall Installation - Monessen Hearth CDV7 Installation And Operating Instructions Manual

CDVSC7 & CDV7 Series Gas Fireplace

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 9B\,"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 7Z\x" (191
mm) in diameter.
Vent opening for Combustible walls
9B\,"
(44 mm)
9B\,"
(44 mm)
Fireplace Hearth
opening for noncombustible wall
7Z\x"
(190 mm)
Fireplace Hearth
Figure 26 -
Locate Vent Opening on Wall
Step 2
VO584-100
Secure firestop to the inside frame, center in the 9B\," x
Vent Opening
9B\," vent opening.
2/99 djt
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

Framing Detail
FP93
X
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.
Figure 28 -
Horizontal Length Requirement
VenTInG InSTallaTIon
X
X
X
69D3011
FP1181
FP118