Montigo L38DF-ST Manual do Utilizador descarregar pdf (Página 10)

L38DF-ST* Indoor Gas Fireplace

Page 10

XG0810 - 150204.2

Installation

Figure 9. Top vent, Roof mounted termination with no offset in vent

run.

Roof mounted Terminations

The following details are some possible congurations for Roof

mounted terminations.

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 - 9c).

 For a detailed diagram of allowed termination locations, see

Appendix A.

 Termination location must be a minimum 6’ from a mechanical

air inlet.

 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.

PVTK1 Termination

PEXT

PEXT-10

Adaptor

Flue

Collar

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).

PVTK1 Termination

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 33 34

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