American Water Heater BCG3 사용자 설명서
18
type B gas Vent
multiple gas fired tank-type heaters
When venting multiple tank type heaters using Type B vent
pipe, follow the installation diagram and tables below which
give sizing and data based upon nFPA 54/AnSI Z223. 1992.
taBle 7. teChniCal data Venting
model BCg370t1205nox
input: 120,000 Btu/hr total Vent height (feet)
Vent Connector size: 5 inches
input: 120,000 Btu/hr total Vent height (feet)
Vent Connector size: 5 inches
6
8
10
15
20
30
50
100
input Btu/hr
rise
Vent Connector diameter (inches)
120,000
1 Ft.
6
6
5
5
5
5
5
5
120,000
2 Ft.
5
5
5
5
5
5
5
5
120,000
3 Ft.
5
5
5
5
5
5
5
5
number of
120 heaters
Combined input
in thousands of Btu/hr manifold and Common Vent diameter (inches)
2
240,000
7
7
6
6
6
6
6
6
3
360,000
8
8
7
7
7
6
6
6
4
480,000
9
9
9
8
8
7
7
6
model
BCg380t1506nox
input: 154,000 Btu/hr total Vent height (feet)
Vent Connector size: 6 inches
Vent Connector size: 6 inches
6
8
10
15
20
30
50
100
input Btu/hr
rise Vent Connector diameter (inches)
154,000
1 Ft.
6
6
6
6
6
6
6
6
154,000
2 Ft.
6
6
6
6
6
6
6
6
154,000
3 Ft.
6
6
6
6
6
6
6
6
number of
154 heaters
Combined input
in thousands of Btu/hr manifold and Common Vent diameter (inches)
2
308,000
7
7
6
6
6
6
6
6
3
462,000
8
8
7
7
7
6
6
6
4
616,000
9
9
9
8
8
7
7
6
model BCg395, (a)BCg3100-180, 199, 200
input: 180,000 and 199,000 Btu/hr total Vent height (feet)
Vent Connector size: 6 inches
Vent Connector size: 6 inches
6
8
10
15
20
30
50
100
input Btuh/hrrise
Vent Connector diameter (inches)
180,000
1 Ft.
7
7
6
6
6
6
6
6
199,000
1 Ft.
7
7
7
6
6
6
6
6
180,000
2 Ft.
6
6
6
6
6
6
6
6
199,000
2 Ft.
7
7
6
6
6
6
6
6
180,000
3 Ft.
6
6
6
6
6
6
6
6
199,000
3 Ft.
6
6
6
6
6
6
6
6
number of
heaters
Combined input
in thousands of Btu/hr manifold and Common Vent diameter (inches)
2
360,000
7
7
6
6
6
6
6
6
398,000
7
7
7
6
6
6
6
6
3
540,000
7
6
6
6
6
6
6
6
597,000
7
7
6
6
6
6
6
6
4
720,000
6
6
6
6
6
6
6
6
796,000
6
6
6
6
6
6
6
6
teChniCal data Venting