Owner`s manual

H*38DF PRC Panorama Indoor Gas Fireplace
Page 9
XG0211 - 040912.1
Installation
Section 3-2: INSTALLING A ROOF MOUNTED DIRECT VENT
TERMINATION (PVTK-1)
This section applies to installations where the direct vent termi-
nation will be roof mounted.
Section 3-2-1: VENTING LAYOUT
Selection of components and details of venting lay out should
adhere to the following guidelines:
 The maximum termination point is 32’ above the replace (NOTE:
if the maximum termination height is used, the ame pattern
may be affected).
 The Vertical termination must be a minimum 2’ higher than where
the termination exits the roong materials, (asphalt shingles,
cedar shakes, etc). This distance should be measured from the
high side of the roof slope where the ue ashing intersects the
roong materials. (see Figures 9 to 9c).
 Termination location must be a minimum 6’ from a mechanical
air inlet.
 Termination location must be a minimum 18” from a parapet wall.
 For a more detailed diagram of allowed termination locations,
see Appendix A.
 A maximum of two offsets (each offset is made up of 2-90°
bends) may be made.
 Firestops must be installed as required by National & local codes.
 Ensure all runs are supported with a minimum of 3 supports
per 10’ of venting.
 Install all roof ashing and storm collars as shown.
Figure 9. Top vent, Roof mounted termination with no offset in vent run.
Figure 9a. Top vent, Roof mounted with 1 offset (1 offset= two 90° bends).
Figure 9b. Top vent, Roof mounted with 2 offsets (1 offset= two 90° bends).
Roof mounted Terminations
The following details are some possible congurations for Roof
mounted terminations.
Support ring
Support plate
Firestop
3
2’ max.
2’ min.
Obstacle
PVTK1
Termination
Support ring
Support plate
Firestop
3
2’ max.
2’ min.
PVTK1
Termination
Support straps or
support plate & ring
2’ min.
Firestop
Firestop
Firestop
32’ max
Support plate
& ring
Obstacle
PVTK1
Termination