Superior DRT3535 Series Installation And Operation Instructions Manual page 21

Innovative Hearth Products
Superior DRT/DRC3500 Series Direct-Vent Gas Fireplaces
TM
Outside preparation of the fireplace for top-vent conversion
6.
Rough in the Electrical Supply, if Needed
7.
As necessary, rough in the fireplace electrical supply per NEC and local codes.
Place the Fireplace in the Framing and Secure
8.
NOTE: Nailing flanges, combustible members, and screw heads in areas directly adjacent to the nailing flanges are
EXEMPT from the 1/2" clearance to combustible requirements for the firebox outer wrapper.
NOTE: Combustible framing may be in direct contact with the nailing flanges and may be located within 1/2" of screw
heads and the firebox wrapper in areas adjacent to the nailing flanges.
Frame the opening to the exact dimensions specified in the framing details in this manual.
1. Bend out the appropriate nailing flanges for the drywall / finish material to be used (Figure 11). Nailing flanges
are provided for:
•
•
•
2. Secure the fireplace to the side framing members using the unit's nailing flanges —one top and bottom on each
side of the fireplace front (Figure 11). Use 8d nails or the equivalent.
Figure 10: Nailing Flanges
Side
framing
VENT SYSTEM PREPARATION
Select a Horizontal or Vertical Vent System
9.
1. With the fireplace secured in the framing, determine the vent route and identify the exterior termination location.
The following sections describe vertical (roof) and horizontal (exterior wall) vent applications. Use only approved
vent components (Page 19 and Page 46).
NOTE: This fireplace must be vented directly to the outside.
The vent system may not service multiple appliances, and must never be connected to a
flue serving a separate solid fuel burning appliance.
NOTE: The vent pipe is tested to be run inside an enclosed wall (such as a chase). There is no requirement for
inspection openings in the enclosing wall at any of the joints in the vent pipe.
flush framing,
1/2", and
5/8" framing depths.
Unit nailing flange
(no clearance to combustible
framing is required)
WARNING
Installation
900298-00, 10/2014
21