Superior DRT3535 Series Installation And Operation Instructions Manual page 30

Innovative Hearth Products
Superior DRT/DRC3500 Series Direct-Vent Gas Fireplaces
TM
Install the Horizontal Termination Vent System
These instructions should be used as a guideline and do not supersede local codes in any way. Install venting
according to local codes, these instructions, the current National Fuel Gas Code (ANSI-Z223.1) in the USA or the
current standards of CAN/CGA-B149.1 in Canada.
Ensure clearances are in accordance with local installation codes and the requirements of the gas supplier.
Horizontal vent systems terminate through an outside wall. Building Codes limit or prohibit terminating in
specific areas (Table 7).
The following figures and their associated horizontal vent tables illustrate the various configurations that are possible
for use with these fireplaces. Secure Vent
A table summarizes each configuration's minimum and maximum vertical and horizontal length parameters for a
variety of applications. For more information on connecting the vent pipe, see Page 23.
Figure 25: Typical Horizontal Vent Installation
1. Analyze the vent route and determine the number of vent sections and elbows required—See Effective Vent
2. Frame the exterior wall opening—Locate the center of the vent outlet on the exterior wall (Table 11). Cut and/
3. Frame the ceiling opening—If the vertical route is to penetrate a ceiling, use plumb line to locate the center
4. Install the rear vent gasket—The rear vent gasket is factory installed and required for all rear vent applications.
5. Attach the vent components to the fireplace—See Connecting the vent pipe on Page 23.
6. Attach the vent components to each other—See Connecting the vent pipe on Page 23.
7. Install the firestop/spacer at the ceiling—When using Secure Vent
8. Support the vertical run sections—On the vertical run, support the venting system every 8 ft (2.4 m) above the
30
Dégagement conforme aux codes d'installa tion locaux et aux exigences du foumisseunde gaz.
Support
Building
Support Brackets
Framing
SV4.5E90
Elbow
Ceiling
Vertical
Rise
Length on Page 23 for more information. Plan the venting so that a joint does not occur in the ceiling or roof
joists. Allow for elbows (Figure 18). Maintain the minimum clearances for combustibles (Page 15).
or frame an opening, 10 1/2 x 12 1/8" (267 x 308 mm) inside dimensions, about this center.
above the fireplace. Cut and/or frame an opening, 10 1/2 x 10 1/2" (267 x 267 mm) inside dimensions, about
this center (Figure 20).
If the gasket is missing, position a replacement gasket (contact your local dealer) around the vent collar before
attaching other vent components to the fireplace (Figure 21). Loosely attach the gasket with two screws at the
top and bottom.
joists; when using Secure Flex
the firestop/ spacer must be installed on the bottom side of the ceiling. If attic space is above the ceiling, 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.
Maintain 1" (25 mm) clearance to combustibles, framing members, and attic or ceiling insulation when running
vertical chimney sections.
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 (Figure 26).
pipe is shown in these figures; Secure Flex
®
Horizontal / Inclined Run
Support bracket spacing
Firestop/Spacer
every 5 ft (1.52 m)
Vertical Vent
Fireplace
, use SF4.5VF firestop/spacer. If there is living space above the ceiling level,
®
pipe may also be used.
®
SV4.5L6/12/24/36/48
Termination
Vent Sections
Exterior
Wall
Termination
, use SV4.5VF firestop/spacer at ceiling
®
Installation
900298-00, 10/2014