Rear Wall Vent Installation - Monessen Hearth SDV500 Installation And Operating Instructions Manual

REAR WALL VENT INSTALLATION

When installed as a rear vent unit this appliance may be vented directly to a termination located on the rear wall behind
the appliance
• The maximum horizontal distance between the rear of the appliance and the outside of termination is 20" (508 m). See
Figure 15.
• Only one 45° elbow is allowed in these installations.
Top View Flat Installation
Figure 15 - Rear Vent Application,
Maximum Horizontal Distance
1. Locate and cut the vent opening in the wall. For
combustible walls first frame in opening. See
Figure 16.
Combustible Walls:
(241mm x 241mm) hole through the exterior wall
and frame as shown. See Figure 16.
Noncombustible Walls:
1
7 ⁄ " (190mm) in diameter.
2
2. Rigid vent pipes and fittings have special twist-lock
connections. Assemble the desired combination of
pipe and elbows to the appliance adaptor with pipe seams oriented towards the wall or floor.
Twist-lock Procedure: The female ends of the
pipes and fittings have three locking lugs (indenta-
tions). These lugs will slide straight into matching
slots on the male end of adjacent pipes and fittings.
Push the pipe sections together and twist one sec-
tion clockwise approximately one-quarter turn
until the sections are fully locked. See Figure 17.
3. Attach vent pipe assembly to the fireplace. Set
fireplace in front of its permanent location to insure
minimum clearances. Mark the wall for a 9
1
x 9 ⁄ "W (241mm x 241mm) rectangle hole (for
2
noncombustible material such as masonry block or
1
concrete, a 7 / " [190mm] diameter hole is accept-
2
able). See Figure 16. The center of the hole should
line up with the center line of the horizontal rigid
vent pipe end. Be sure to allow for minimum rise.
1 1
Cut a 9 / "x9 / " (241mm X 241mm) rectangle hole through combustible exterior wall (7
2 2
noncombustible). Frame as necessary. Allow
56D0106
1 1
Cut a 9 ⁄ "H x 9 ⁄ " W
2 2
Hole opening should be
1
⁄ "H
2
1
/ " minimum rise per foot. See Figure 16.
4
VENTING INSTALLATION
Figure 16 - Vent Opening Requirements
Female
Locking Lugs
Note: Horizontal runs of vent
must be supported every three
feet (914mm). Use wall straps
for this purpose.
Male Slots
Figure 17 - Rigid Vent Pipe Connections
1
/ " [190mm] diameter hole if
2
19