Detroit-radiant-products-company QTS Series Manuel d'utilisateur télécharger pdf (Page 22)

QTS Series

3.0 Installation • Venting • Rooftop Venting

*Consult the NFPA ANSI Z223.1 Gas Vent Termination criteria if roof pitch exceeds 9:12.

Rooftop Venting

Guidelines:

Vent Locations and Clearances

• Separate air intake duct from vent pipe a minimum of 4 ft. (1.2 m) by placing vent pipes higher

than adjacent air intake duct.

• Venting may utilize standard B-vent cap.

• The vent terminal must extend a minimum of 2 ft. (.6 m) above the roof.

Figure 3.12 • Rooftop Venting - Side View

Vent Cap

Double-Wall B Vent Pipe

Firestop Spacer

Single-Wall Elbow or

Alternate Tee Fitting

B to C Adapter

Roof*

24 in. Min.*

Heater

Single-Wall Vent

(ﬁeld supplied)

Storm Collar

Adjustable Roof Flashing

1 in. Minimum Clearance

#8 Sheet Metal Screws

(ﬁeld supplied)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 43 44

Pas de commentaire

Detroit-radiant-products-company QTS Series Manuel d'utilisateur Page 22