Bryant 340AAV Installation, Start-Up, And Operating Instructions Manual page 40

ALTITUDE UNIT SIZE
FT (M) (BTUH)
40,000
60,000
80,000
5001 to 6000‡
(1524 to 1829)
100,000
120,000
140,000
ALTITUDE UNIT SIZE
FT (M) (BTUH)
40,000
60,000
80,000
6001 to 7000‡
(1829 to 2134)
100,000
120,000
6001 to 7000‡
140,000
(1829 to 2134)
See notes at end of table.
Table 11—Maximum Allowable Pipe Length - - Ft (M) (Continued)
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE IN. (mm)*
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
2 (51)
2 Pipe or 2-in
Concentric
2-1/2 (64)
2-1/2 (64)
2 Pipe or 3-in
Concentric
3 (76)
3 (76)†
no disk
2 Pipe or 3-in.
NA
Concentric
4 (102)† no
disk
3 (76)† no disk
2 Pipe or 3-in.
Concentric
4 (102)† no
disk
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE IN. (mm)*
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
2 (51)
2 Pipe or 2-in
Concentric
2-1/2 (64)
2-1/2 (64)
2 Pipe or 3-in
Concentric
3 (76)
3 (76)†
no disk
2 Pipe or 3-in.
NA
Concentric
4 (102)† no
disk
2 Pipe or 3-in. 4 (102)† no
Concentric disk
NON-DIRECT
VENT (1-PIPE)
ONLY
PIPE DIA
1
IN. (mm)*
57
1-1/2 (38)
(17.4) (15.8)
70
2 (51)
(21.3) (21.3)
14
1-1/2 (38)
(4.3)
60
2 (51)
(18.3) (16.8)
41
2 (51)
(12.5) (11.0)
70
2-1/2 (64)
(21.3) (21.3)
29
2-1/2 (64)
(8.8)
70
3 (76)
(21.3) (20.4)
42
NA
(12.8) (10.7)
53
3 (76)†
(16.2) (15.8)
70
4 (102)† no disk
(21.3) (21.3)
12
NA
(3.6)
42
NA
(12.8) (11.2)
NON-DIRECT
VENT (1-PIPE)
ONLY
PIPE DIA
1
IN. (mm)*
53
1-1/2 (38)
(16.2) (14.6)
70
2 (51)
(21.3) (21.3)
13
1-1/2 (38)
(4.0)
57
2 (51)
(17.4) (15.8)
38
2 (51)
(11.6) (10.1)
70
2-1/2 (64)
(21.3) (21.3)
27
2-1/2 (64)
(8.2)
68
3 (76)
(20.7) (19.2)
31
NA
(9.4)
49
3 (76)†
(14.9) (14.6)
70
4 (102)† no disk
(21.3) (21.3)
17
NA
(5.1)
- - 40 - -
NUMBER OF 90° ELBOWS
2 3 4 5
52 47 42 40
(14.3) (12.8) (12.2)
70 70 70 70
(21.3) (21.3) (21.3)
9
NA NA NA
(2.7)
55 54 49 48
(16.5) (14.9) (14.6)
36 23 18 17
(7.0) (5.5) (5.2)
70 70 70 70
(21.3) (21.3) (21.3)
21 12 11
NA
(6.4) (3.7) (3.4)
67 62 57 52
(18.9) (17.4) (15.8)
35 29 22 15
(8.8) (6.7) (4.6)
52 50 49 48
(15.2) (14.9) (14.6)
70 70 70 70
(21.3) (21.3) (21.3)
8
NA NA NA
(2.4)
37 32 27 22
(9.7) (8.2) (6.7)
NUMBER OF 90° ELBOWS
2 3 4 5
48 43 38 37
(13.1 (11.6) (11.3)
70 68 67 66
(20.7) (20.4) (20.1)
8
NA NA NA
(2.4)
52 50 45 44
(15.2) (13.7) (13.4)
33 21 16 15
(6.4) (4.9) (4.6)
70 68 67 66
(20.7) (20.4) (20.1)
19 10 9
NA
(5.8) (3.0) (2.7)
63 58 53 48
(17.7) (16.2) (14.6)
24 18 11
NA
(7.3) (5.5) (3.4)
48 47 45 44
(14.3) (13.7) (13.4)
70 70 70 67
(21.3) (21.3) (20.4)
12 7
NA NA
(3.6) (2.1)
6
35
(10.7)
70
(21.3)
NA
47
(14.3)
8
(2.4)
70
(21.3)
NA
47
(14.3)
9
(2.7)
47
(14.3)
70
(21.3)
NA
17
(5.1)
6
32
(9.8)
64
(19.5)
NA
43
(13.1)
6
(1.8)
64
(19.5)
NA
43
(13.1)
NA
43
(13.1)
62
(18.8)
NA