Vertical Sidewall Installation - Monessen Hearth WDV500 Installation And Operating Instructions Manual

WDV Series Gas Fireplace

VertIcal sIDeWall InstallatIOn

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 11 (For com-
bustible walls first frame in opening.)
combustible Walls: Cut a 10Z\x"H x 10Z\x"W (67 x 67
mm) hole through the exterior wall and frame as shown.
Figure 11
noncombustible Walls: Hole opening must be 8Z\x" (16
mm) in diameter.
Vent Opening for combustible Walls
10Z\x"
(67 mm) Min.
10Z\x"
(67 mm)
Min.
Fireplace Hearth
Opening for noncombustible Wall
8Z\x"
(16 mm)
Figure 11 - Fireplace Hearth
Locate vent opening on wall
step 2
Secure firestop to the inside frame, center in the 10Z\x" x
VO584-100
10Z\x" vent opening.
Vent Opening
step 3
2/99 djt
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 12
step 4
Using appropriate length of pipe section(s) attach to fire-
place with three (3) screws. Follow with the installation of
the elbow.
14
Framing Detail
FP93
Figure 12 -
Vertical Height
Requirement
step 5
Measure the horizontal length requirement figuring a 1Z\v"
(3 mm) overlap, i.e. from the elbow to the outside wall
cap. Figure 13
always install horizontal venting on a level
plane.
Figure 13 -
Horizontal Length
Requirement
step 6
Use appropriate length of pipe sections - telescopic or
fixed - and install.
sealing vent pipe and firestop gaps with high tem-
perature sealant will restrict cold air being drawn in
around fireplace.
step 7
Guide the vent terminations 5" and 8" collard into their
respective vent pipes. Double check that the vent pipes
overlap the collars by a minimum 1Z\v" (3 mm). Secure
the termination to the wall with screws provided and caulk
around the wall plate to weatherproof. As an alternative to
screwing the termination directly to the wall, you may also
use expanding plugs or an approved exterior construction
adhesive.
support horizontal pipes every 36" (914
mm) with metal pipe straps.
VentInG InstallatIOn
X
X
FP118
78D0011
X
FP1181
X