Montigo H38DF-CLCR Manual do Utilizador descarregar pdf (Página 11)

Page 11

XG0213 - 150204.2

H*38DF-CLCR Corner Gas Fireplace

Installation

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

32’ max.

2’ min.

Obstacle

PVTK1

Termination

Support ring

Support plate

Firestop

32’ max.

2’ min.

PVTK1

Termination

Support straps or

support plate & ring

2’ min.

Firestop

2’ max

Support plate

& ring

Obstacle

PVTK1

Termination

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 for vertical vent runs.

 Firestops must be installed as required by National & local codes

 Ensure all horizontal runs are supported with a minimum of 3

supports per 10’ of venting.

 Install all roof ashing and storm collars as shown.

Section 3-2: Installing a Roof Mounted Direct Vent

Termination (PVTK-1)

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 37 38

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