Horizontal Termination System; Installing Power Vent Termination - Superior DRT6340TYN Installation And Operation Instructions Manual

INNOVATIVE HEARTH PRODUCTS • POWER VENT DV GAS FIREPLACES (DRT6340/45TYN) • INSTALLATION INSTRUCTIONS
HORIZONTAL (OUTSIDE WALL)
TERMINATION SYSTEM
See Figures 16 and 17 on Page 17 illustrating
the various horizontal venting configurations
that are possible for use with these appliances.
Table 9 on Page 17 shows each system's
minimum and maximum vertical and horizontal
length values that can be used to design and
install the vent components in a variety of
applications.
The horizontal vent system terminates through
an outside wall. Building codes limit or prohibit
terminating in specific areas. Refer to Figure 4
on Page 9 for location guidelines.
Secure Vent SV4.5 direct-vent system compo-
®
nents are unitized concentric pipe components
featuring positive twist lock connection, (refer
to Figure 13 on Page 16). All of the appliances
covered in this document are fitted with collars
having locking inclined channels. The dimpled
end of the vent components fit over the appliance
collar to create the positive twist lock connection.
A. Plan the vent run -
Analyze the vent routing and determine the
types and quantities of sections required
4-1/2" (114 mm), 10-1/2" (267 mm), 22-1/2"
(572 mm), 34-1/2" (876 mm) and 46-1/2"
(1181 mm) net section lengths are available.
Make allowances for elbows as indicated in
Figure 15 on Page 16.
Maintain a minimum 1" (25 mm) clearance
to combustibles on the vertical sections.
Clearances for the horizontal runs are: 3"
(76 mm) on top, 1". (25 mm) on sides, and
1" (25 mm) at the bottom.
B. Frame exterior wall opening -
Locate the center of the vent outlet on the
exterior wall according to the dimensions
shown in Figure 8 on Page 12.
Cut and/or frame an opening, 10-1/2" x 12-
1/8" (267 mm x 308 mm) inside dimensions,
about this center.
C. Frame ceiling opening - If the vertical route
is to penetrate a ceiling, use a plumb line to
locate the center above the appliance. Cut
and/or frame an opening, 10-1/2" x 10-1/2"
(267 mm x 267 mm) inside dimensions,
about this center (see Figure 12 on Page
16).
18
D. Attach vent components to appliance - To
attach a vent component to the appliance
collar, align the dimpled end over the collar,
adjusting the radial alignment until the four
locking dimples are aligned with the inlets of
the four incline channels on the collar (refer
to Figure 13 on Page 16).
Push the vent component against the collar
until it fully engages, then twist the component
clockwise, running the dimples down and along
the incline channels until they seat at the end of
the channels. The unitized design of the Secure
Vent components will engage and seal both the
inner and outer pipe elements with the same
procedure. Sealant and securing screws are
not required.
E. Attach vent components to each other -
Other vent sections may be added to the
previously installed section in accordance
with the requirements of the vent tables.
To add another vent component to a length
of vent run, align the dimpled end of the
component over the inclined channel end
of the previously installed section, adjusting
the radial alignment until the four locking
dimples are aligned with the inlets of the four
incline channels of the previous section. Push
the vent component against the previous
section until it fully engages, then twist the
component clockwise running the dimples
down and along the incline channels until they
seat at the end of the channels. This seating
position is indicated by the alignment of
the arrow and dimple as shown in Figure
13 on Page 16.
F. Install firestop/spacer at ceiling -
When using Secure Vent, use SV4.5VF fire-
stop/spacer at ceiling joists. If there is living
space above the ceiling level, the firestop/
spacer must be installed on the bottom side
of the ceiling. If attic space is above the ceil-
ing, the firestop/ spacer must be installed
on the top side of the joist. Route the vent
sections through the framed opening and
secure the firestop/spacer with 8d nails or
other appropriate fasteners at each corner.
The gap between the vent pipe and a firestop
can be sealed with noncombustible caulking.
Maintain 1" (25 mm) clearance to com-
bustibles, framing members, and attic or
ceiling insulation when running vertical
chimney sections.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
G. Support the vertical run sections -
On the vertical run, support the venting system
every eight feet (2.4 m) above the fireplace
vent outlet with field provided support straps
(Plumber's tape). Attach the straps to the vent
pipe and secure to the framing members with
nails or screws.
H. Change vent direction - At transitions from
or to a horizontal/inclined run, install the
SV4.5E45 and SV4.5E90 elbows in the same
manner as the straight vent sections. The
elbows feature a twist section to allow them
to be routed about the center axis of their
initial collar section to align with the required
direction of the next vent run element. Twist
elbow sections in a clockwise direction only
so as to avoid the possibility of unlocking
any of the previously connected vent sec-
tions (see Figure 13 on Page 16).
I. Continue installation of horizontal/inclined
sections - Continue with the installation
of the straight vent sections in horizontal/
inclined run as described in Step E. Install
support straps every three feet (1914 mm)
along horizontal/inclined vent runs using
conventional plumber's tape (see Figure 16
on Page 17).
NOTE: Maintain the horizontal/inclined
run in a straight, slightly elevated plane
- approximately 1/4" per foot (20 mm
per meter) - in a direction away from the
fireplace. Smaller rise per foot run ratios
are acceptable, down to at or near level.
Use a carpenter's level to measure from
a constant surface and adjust the support
straps as necessary.

Installing Power Vent Termination

J. Assemble vent run to exterior wall - If not
previously measured, locate the center of
the vent on the exterior wall. Prepare an
opening as described in this manual. As-
semble the vent system to a point where
the terminus of the last section is within 8"
of the outside wall surface where the power
vent is to be mounted (see Figure 18 on
Page 19).
If the terminus of the last section is not
within this distance, use the telescopic
vent section SV4.5LA, as the last vent
section. For wall thicknesses greater than
that shown in Figure 19 on Page 19, refer
to Table 11 on Page 19 for the additional
venting components needed (in addition to
the termination and adaptor) for a particular
range of wall thicknesses.
K. Attach termination adaptor - Attach the
adaptor (SV4.5RCH - provided with the power
vent kit) to the vent section telescoping vent
section, or elbow, as shown in Figures 18
and 19 on Page 17 in the same manner as
any SV4.5 vent component.