Bryant 352AAV - Page 39

39
Table 13—Maximum Allowable Pipe Length -- Ft. (M) (Continued)
ALTITUDE
FT (M)
UNIT MAX
INPUT
RATE
(BTUH)
DIRECT VENT (2-PIPE) ONLY
NON-DIRE
CT VENT
(1-PIPE)
ONLY
NUMBER OF 90° ELBOWS
TERMINATION
TYPE
PIPE DIA
(IN.)*
PIPE DIA
(IN.)*
1 2 3 4 5 6
4001 to
5000
(1219 to
1524)‡
60,000
2Pipeor2-in.
(51 mm)
Concentric
1---1/2 (38) 1---1/2 (38)
15
(4.6)
10
(3.0)
5
(1.5)
NA NA NA
2 (51) 2 (51)
64
(19.5)
59
(17.9)
58
(17.6)
53
(16.1)
52
(15.8)
52
(15.8)
80,000
2Pipeor2-in.
(51 mm)
Concentric
2 (51) 2 (51)
44
(13.4)
39
(11.8)
26
(7.9)
21
(6.4)
20
(6.0)
11
(3.3)
2---1/2 (64) 2---1/2 (64)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
100,000
2Pipeor3-in.
(76 mm)
Concentric
2---1/2 (64) 2---1/2 (64)
31
(9.4)
22
(6.7)
13
(3.9)
12
(3.6)
NA NA
3 (76) 3 (76)
70
(21.3)
70
(21.3)
67
(20.4)
62
(18.8)
57
(17.3)
52
(15.8)
120,000
2Pipeor3-in.
(76 mm)
Concentric
3 (76)† no disk NA
53
(16.1)
46
(14.0)
40
(12.1)
33
(10.0)
26
(7.9)
20
(6.0)
NA 3 (76)†
56
(17.0)
55
(16.7)
54
(16.4)
53
(16.1)
52
(15.8)
52
(15.8)
4† no disk 4† no disk
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
5001 to 6000
(1524 to
1829)‡
60,000
2Pipeor2-in.
(51 mm)
Concentric
1---1/2 (38) 1---1/2 (38)
14
(4.2)
9
(2.7)
NA NA NA NA
2 (51) 2 (51)
60
(18.2)
55
(16.7)
54
(16.4)
49
(14.9)
48
(14.6)
47
(14.3)
80,000
2Pipeor2-in.
(51 mm)
Concentric
2 (51) 2 (51)
41
(12.4)
36
(10.9)
23
(7.0)
18
(5.9)
17
(5.1)
8
(2.4)
2---1/2 (64) 2---1/2 (64)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
100,000
2Pipeor3-in.
(76 mm)
Concentric
2---1/2 (64) 2---1/2 (64)
29
(8.8)
21
(6.4)
12
(3.6)
11
(3.3)
NA NA
3 (76) 3 (76)
70
(21.3)
67
(20.4)
62
(18.8)
57
(17.3)
52
(15.8)
47
(14.3)
120,000
2Pipeor3-in..
(76 mm)
Concentric
3 (76)† no disk NA
42
(12.8)
35
(10.6)
29
(8.8)
22
(6.7)
15
(4.6)
9
(2.7)
NA 3 (76)†
53
(16.1)
52
(15.8)
50
(15.2)
49
(14.9)
48
(14.6)
47
(14.3)
4† no disk 4† no disk
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
6001 to 7000
(1829 to
2134)‡
60,000
2Pipeor2-in.
(51 mm)
Concentric
1---1/2 (38) 1---1/2 (38)
13
(3.9)
8
(2.4)
NA NA NA NA
2 (51) 2 (51)
57
(17.3)
52
(15.8)
50
(15.2)
45
(13.7)
44
(13.4)
43
(13.1)
80,000
2Pipeor2-in.
(51 mm)
Concentric
2 (51) 2 (51)
38
(11.5)
33
(10.0)
21
(6.4)
16
(4.8)
15
(4.6)
6
(1.8)
2---1/2 (64) 2---1/2 (64)
70
(21.3)
70
(21.3)
68
(20.7)
67
(20.4)
66
(20.1)
64
(19.5)
100,000
2Pipeor3-in.
(76 mm)
Concentric
2---1/2 (64) 2---1/2 (64)
27
(8.2)
19
(5.7)
10
(3.0)
9
(2.7)
NA NA
3 (76) 3 (76)
68
(20.7)
63
(19.2)
58
(17.6)
53
(16.1)
48
(14.6)
43
(13.1)
120,000
2Pipeor3-in.
(76 mm)
Concentric
3 (76)† no disk NA
31
(9.4)
24
(7.3)
18
(5.4)
11
(3.3)
NA NA
NA 3 (76)†
49
(14.9)
48
(14.6)
47
(14.3)
45
(13.7)
44
(13.4)
43
(13.1)
4† no disk 4† no disk
70
(21.3)
70
(21.3)
70
(21.3)
70
(21.3)
67
(20.4)
62
(18.8)
See Notes at the end of table
352AAV