Sterling GG-120 用户手册
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Table 5 - Category I Horizontal Venting Requirements - Standard Combustion
Vent
Maximum Number
Maximum Horizontal
Minimum
Extension
Unit
Diameter
Elbows
Vent Length
Vertical Rise
Distance
Size
(in)
*
(Ft.)
(In.)
from
Wall
(In.)
30
4 1 5 8 36
4 2 10 18 36
45
4 1 10 24 36
4 1 15 24 36
4 2 5 24
36
60
4 2 10 18 36
75
5 2 7 24
36
90
5 2 7 24
24
105
5 2 7 24
24
120
5 1 5 24
24
5 2 7 24
24
*One elbow is required to make the vertical extension, See Figure 13.
Figure 13 - Category I Horizontal Venting Requirements
D6838C