507281-06
Page 20 of 58
Issue 1724
Table 5B.
Maximum Allowable Intake or Exhaust Vent Length (feet)
Concentric Termination at Elevation 0 - 4,500 ft
Number of
90° Elbows
Used
2” Pipe
2-1/2” Pipe
3” Pipe
Modal
Model
Model
45
70
90
110
135
45
70
90
110
135
45
70
90
110
135
1
68
53
37
17
n/a
100
100
84
49
n/a
116
116
109
109
100
2
63
48
32
12
95
95
79
44
111
111
104
104
95
3
58
43
27
7
90
90
74
39
106
106
99
99
90
4
53
38
22
n/a
85
85
69
34
101
101
94
94
85
5
48
33
17
80
80
64
29
96
96
89
89
80
6
43
28
12
75
75
59
24
91
91
84
84
75
7
38
23
7
70
70
54
19
86
86
79
79
70
8
33
18
n/a
65
65
49
14
81
81
74
74
65
9
28
13
60
60
44
9
76
76
69
69
60
10
23
8
55
55
39
n/a
71
71
64
64
55
Concentric Termination at Elevation 4,501 - 10,000 ft
Number of
90° Elbows
Used
2” Pipe
2-1/2” Pipe
3” Pipe
Model
Model
Model
45
70
90
110
135
45
70
90
110
135
45
70
90
110
135
1
68
53
37
n/a
n/a
100
100
84
49
n/a
116
116
109
109
100
2
63
48
32
95
95
79
44
111
111
104
104
95
3
58
43
27
90
90
74
39
106
106
99
99
90
4
53
38
22
85
85
69
34
101
101
94
94
85
5
48
33
17
80
80
64
29
96
96
89
89
80
6
43
28
12
75
75
59
24
91
91
84
84
75
7
38
23
7
70
70
54
19
86
86
79
79
70
8
33
18
n/a
65
65
49
14
81
81
74
74
65
9
28
13
60
60
44
9
76
76
69
69
60
10
23
8
55
55
39
n/a
71
71
64
64
55
*Size intake and exhaust pipe length separately. Values in table are for intake or exhaust, not combined total. Both intake and exhaust
must be same pipe size.
Содержание 95G2UHE
Страница 3: ...507281 06 Page 3 of 58 Issue 1724 Figure 1 Parts Arrangement...
Страница 45: ...507281 06 Page 45 of 58 Issue 1724 Table 13A Field Wiring Applications With Conventional Thermostat...
Страница 46: ...507281 06 Page 46 of 58 Issue 1724 Table 13B Field Wiring Applications With Conventional Thermostat Continued...
Страница 49: ...507281 06 Page 49 of 58 Issue 1724 Figure 66...