U.S. Boiler Company 202E, Инструкция по установке, эксплуатации и обслуживанию

Страница: 9 / 52

9
SERIES 2E
Installation, Operating & Service Manual
109443-02 - 12/19
G. Install vent termination (Masonry chimney and
single wall metal pipe)
1. Termination shall extend at least 5 ft.
in vertical height above highest connected
appliance vent outlet.
2. Termination shall extend at least 3 ft. (2 ft. for
single wall metal pipe) above roof penetration
and at least 2 ft. above any portion of building
within horizontal distance of 10 ft.
H. Install vent termination: (Gas Vent)
1. Termination shall extend at least 5 ft.
in vertical height above highest connected
appliance vent outlet.
5
Venting
(continued)
2. For terminations located at least 8 ft. from
vertical wall or similar obstruction, termination
shall extend above roof in accordance with
Figure 5-3.
3. For terminations located less than 8 ft. from
vertical wall or similar obstruction, termination
shall extend at least 2 ft. above roof
penetration and at least 2 ft. above any
portion of building within horizontal distance
of 10 ft.
4. Termination shall be at least 3 ft. above forced
air inlet located within 10 ft.
Figure 5-3 : Termination Location for Gas Vent
Roof Slope Heights
Roof Slope ft.
Flat to 6/12 1.0
Over 6/12 to 7/12 1.25
Over 7/12 to 8/12 1.5
Over 8/12 to 9/12 2.0
Over 9/12 to 10/12 2.5
Over 10/12 to 11/12 3.25
Over 11/12 to 12/12 4.0
Over 12/12 to 14/12 5.0
Over 14/12 to 16/12 6.0
Over 16/12 to 18/12 7.0
Over 18/12 t 20/12 7.5
Over 20/12 to 21/12 8.0