Bryant 340AAV Installation, Start-Up, And Operating Instructions Manual page 38

ALTITUDE UNIT SIZE
FT (M) (BTUH)
40,000
60,000
80,000
0 to 2000
(0 to 610)
100,000
120,000
140,000
ALTITUDE UNIT SIZE
(BTUH)
FT (M)
40,000
60,000
80,000
100,000
2001 to 3000
(610 to 914)
120,000
140,000
See notes at end of table.
Table 11 – Maximum Allowable Pipe Length - - Ft (M)
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE IN. (mm)*
1 (25)
2 Pipe or 2-in
1-1/2 (38)
Concentric
2 (51)
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
1-1/2 (38)
2 Pipe or 2-in
2 (51)
Concentric
2-1/2 (64)
2 (51)
2 Pipe or 3-in
2-1/2 (64)
Concentric
3 (76)
2-1/2 (64)
one disk
2 Pipe or 3-in.
3 (76)†
Concentric
3 (76) † no disk
2-1/2 (64)
one disk
3 (76)†
2 Pipe or 3-in.
Concentric
3 (76) † no disk
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)
NA
2 Pipe or 3-in.
Concentric
3 (76)† no disk
4 (102)† no
disk
3 (76) one
disk†
2 Pipe or 3-in.
3 (76)† no disk
Concentric
4 (102)† no
disk
NON-DIRECT
VENT (1-PIPE)
ONLY
PIPE DIA
1
IN. (mm)*
5
1 (25)
(1.5)
70
1-1/2 (38)
(21.3) (21.3)
70
2 (51)
(21.3) (21.3)
20
1-1/2 (38)
(6.1)
70
2 (51)
(21.3) (21.3)
10
1-1/2 (38)
(3.0)
55
2 (51)
(16.8) (15.2)
70
2-1/2 (64)
(21.3) (21.3)
5
2 (51)
(1.5)
40
2-1/2 (64)
(12.2)
70
3 (76)
(21.3) (21.3)
10
2-1/2 (64)
(3.0)
45
NA
(13.7) (12.2)
70
3 (76)†
(21.3) (21.3)
5
NA
(1.5)
40
NA
(12.1) (10.6)
60
NA
(18.3) (17.0)
70
NA
(21.3) (21.3)
NON-DIRECT
VENT (1-PIPE)
ONLY
PIPE DIA
1
IN. (mm)*
67
1-1/2 (38)
(20.4) (18.9)
70
2 (51)
(21.3) (21.3)
17
1-1/2 (38)
(5.2)
70
2 (51)
(21.3) (20.4)
49
2 (51)
(14.9) (13.4)
70
2-1/2 (64)
(21.3) (21.3)
35
2-1/2 (64)
(10.7)
70
3 (76)
(21.3) (21.3)
14
NA
(4.3)
63
3 (76)†
(19.2) (18.9)
70
NA
(21.3) (21.3)
70
4 (102)† no disk
(21.3) (21.3)
20
NA
(6.1)
39
NA
(11.8) (10.6)
70
NA
(21.3) (21.3)
- - 38 - -
NUMBER OF 90° ELBOWS
2 3 4 5
NA NA NA NA
70 65 60 60
(19.8) (18.3) (18.3)
70 70 70 70
(21.3) (21.3) (21.3)
15 10 5
NA
(4.6) (3.0) (1.5)
70 70 70 70
(21.3) (21.3) (21.3)
NA NA NA NA
50 35 30 30
(10.7) (9.1) (9.1)
70 70 70 70
(21.3) (21.3) (21.3)
NA NA NA NA
30 20 20 10
(9.1) (6.1) (6.1) (3.0)
70 70 70 70
(21.3) (21.3) (21.3)
NA NA NA NA
40 35 30 25
(10.7) (9.1) (7.6)
70 70 70 70
(21.3) (21.3) (21.3)
NA NA NA NA
35 30 25 20
(9.1) (7.6) (6.1)
56 52 48 44
(15.8) (14.6) (13.4)
70 70 70 70
(21.3) (21.3) (21.3)
NUMBER OF 90° ELBOWS
2 3 4 5
62 57 52 52
(17.4) (15.8) (15.8)
70 70 70 70
(21.3) (21.3) (21.3)
12 7
NA NA
(3.7) (2.1)
67 66 61 61
(20.1) (18.6) (18.6)
44 30 25 25
(9.1) (7.6) (7.6)
70 70 70 70
(21.3) (21.3) (21.3)
26 16 16 6
(7.9) (4.9) (4.9) (1.8)
70 70 70 66
(21.3) (21.3) (20.1)
9
NA NA NA
(2.7)
62 62 61 61
(18.9) (18.6) (18.6)
70 63 56 50
(19.2) (17.1) (15.2)
70 70 70 70
(21.3) (21.3) (21.3)
15 10 5
NA
(4.6) (3.0) (1.5)
35 31 27 23
(11.9) (8.2) (7.0)
70 70 70 70
(21.3) (21.3) (21.3)
6
NA
55
(16.8)
70
(21.3)
NA
70
(21.3)
NA
20
(6.1)
70
(21.3)
NA
NA
70
(21.3)
NA
20
(6.1)
70
(21.3)
NA
15
(4.6)
40
(12.2)
70
(21.3)
6
47
(14.3)
70
(21.3)
NA
61
(18.6)
15
(4.6)
70
(21.3)
NA
61
(18.6)
NA
61
(18.6)
43
(13.1)
70
(21.3)
NA
19
(5.8)
70
(21.3)