Bryant 350AAV Installation, Start-Up, And Operating Instructions Manual page 36

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UNIT SIZE
ALTITUDE (FT)
(BTUH)
40,000
60,000
80,000
4001 to 5000‡
100,000
120,000
140,000
UNIT SIZE
ALTITUDE (FT)
(BTUH)
40,000
60,000
80,000
5001 to 6000‡
100,000
120,000
140,000
UNIT SIZE
ALTITUDE (FT)
(BTUH)
40,000
60,000
80,000
6001 to 7000‡
100,000
120,000
140,000
See notes at end of table
TABLE 11—MAXIMUM ALLOWABLE PIPE LENGTH (FT) (CONTINUED)
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 3-in
Concentric
3† no disk
2 Pipe or 3-in.
Concentric
4† no disk
3† no disk
2 Pipe or 3-in.
Concentric
4† no disk
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 3-in
Concentric
3† no disk
2 Pipe or 3-in.
Concentric
4† no disk
3† no disk
2 Pipe or 3-in.
Concentric
4† no disk
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 3-in
Concentric
3† no disk
2 Pipe or 3-in.
Concentric
4† no disk
2 Pipe or 3-in.
4† no disk
Concentric
NON-DIRECT VENT
(1-PIPE) ONLY
PIPE DIA
(IN.)*
(IN.)*
1-1/2 1-1/2
2 2
1-1/2 1-1/2
2 2
2 2
2-1/2 2-1/2
2-1/2 2-1/2
3 3
NA
NA 3†
4† no disk
NA
NA
NON-DIRECT VENT
(1-PIPE) ONLY
PIPE DIA
(IN.)*
(IN.)*
1-1/2 1-1/2
2 2
1-1/2 1-1/2
2 2
2 2
2-1/2 2-1/2
2-1/2 2-1/2
3 3
NA
NA 3†
4† no disk
NA
NA
NON-DIRECT VENT
(1-PIPE) ONLY
PIPE DIA
(IN)*
(IN)*
1-1/2 1-1/2
2 2
1-1/2 1-1/2
2 2
2 2
2-1/2 2-1/2
2-1/2 2-1/2
3 3
NA
NA 3†
4† no disk
NA
—36—
NUMBER OF 90° ELBOWS
1 2 3 4
60 55 50 45
70 70 70 70
15 10 5 NA NA
64 59 58 53
44 39 26 21
70 70 70 70
31 22 13 12 NA
70 70 67 62
53 46 40 33
56 55 54 53
70 70 70 70
21 17 13 9
69 64 59 54
NUMBER OF 90° ELBOWS
1 2 3 4
57 52 47 42
70 70 70 70
14 9 NA NA NA
60 55 54 49
41 36 23 18
70 70 70 70
29 21 12 11 NA
70 67 62 57
42 35 29 22
53 52 50 49
70 70 70 70
12 8 NA NA NA
42 37 32 27
NUMBER OF 90° ELBOWS
1 2 3 4
53 48 43 38
70 70 68 67
13 8 NA NA NA
57 52 50 45
38 33 21 16
70 70 68 67
27 19 10 9 NA
68 63 58 53
31 24 18 11 NA
49 48 47 45
70 70 70 70
17 12 7 NA NA
5 6
44 39
70 70
NA
52 52
20 11
70 70
NA
57 52
26 20
52 52
70 70
5 NA
49 44
5 6
40 35
70 70
NA
48 47
17 8
70 70
NA
52 47
15 9
48 47
70 70
NA
22 17
5 6
37 32
66 64
NA
44 43
15 6
66 64
NA
48 43
NA
44 43
67 62
NA