507276-03
Page 21 of 59
Issue 1621
Table 6
Maximum Allowable Exhaust Vent Lengths with Furnace Installed in a Closet or Basement Using Ventilated
Attic or Crawl Space for Intake Air in Feet
* 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.
* Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length calculation.
Standard Termination at Elevation 0 - 4,500 ft
Number Of
90°
Elbows
Used
2" Pipe
2-1/2" Pipe
3" Pipe
Model
Modef
Model
030
045
70
90
110
135
030
045
70
90
110
135
030
045
70
90
110
135
1
66
51
29
9
n/a
95
95
73
38
n/a
113
112
93
93
89
2
61
46
24
4
90
90
68
33
108
107
88
88
84
3
56
41
19
n/a
85
85
63
28
103
102
83
83
79
4
51
36
14
80
80
58
23
98
97
78
78
74
5
46
31
9
85
75
53
18
93
92
73
73
69
6
41
26
4
70
70
48
13
88
87
68
68
64
7
36
21
n/a
65
65
43
8
83
82
63
63
59
8
31
16
60
60
38
3
78
77
58
58
54
9
26
11
55
55
33
n/a
73
72
53
53
49
10
21
6
50
50
28
68
67
48
48
44
Standard Termination Elevation 4,500 - 10,000 ft
... . .
Number Of
90°
Elbows
Used
2" Pipe
2-1/2" Pipe
3" Pipe
Model
Model
Model
030
045
70
90
110
135
030
045
70
90
110
135
030
045
70
90
110
135
1
66
51
29
n/a
n/a
95
95
73
38
n/a
113
112
93
93
89
2
61
46
24
90
90
68
33
108
107
88
88
84
3
56
41
19
85
85
63
28
103
102
83
83
79
4
51
36
14
80
80
58
23
98
97
78
78
74
5
46
31
9
85
85
53
18
93
92
73
73
69
6
41
26
4
70
70
48
13
88
87
68
68
64
7
36
21
65
65
43
8
83
82
63
63
59
8
31
16
60
60
38
3
78
77
58
58
54
9
26
11
55
55
33
n/a
73
72
53
53
49
10
21
6
50
50
28
68
67
48
48
44
Содержание 95G1UHE
Страница 3: ...507276 03 Page 3 of 59 Issue 1621 EXPANDED VIEW Figure 1 ...
Страница 22: ...507276 03 Page 22 of 59 Issue 1621 Figure 25 Figure 26 ...
Страница 28: ...507276 03 Page 28 of 59 Issue 1621 Figure 34 ...
Страница 38: ...507276 03 Page 38 of 59 Issue 1621 Figure 57 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC ...
Страница 40: ...507276 03 Page 40 of 59 Issue 1621 Figure 59 Figure 60 ...
Страница 44: ...507276 03 Page 44 of 59 Issue 1621 TYPICAL WIRING DIAGRAM Figure 65 ...
Страница 57: ...507276 03 Page 57 of 59 Issue 1621 Start Up Performance Check List ...