Bryant 340AAV Installation, Start-Up, And Operating Instructions Manual page 39

ALTITUDE UNIT SIZE
(BTUH)
FT (M)
40,000
60,000
80,000
3001 to 4000
100,000
(914 to 1219)
120,000
140,000
ALTITUDE UNIT SIZE
(BTUH)
FT (M)
40,000
60,000
80,000
4001 to 5000‡
(1219 to 1524)
100,000
120,000
140,000
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.
Concentric
NA
4 (102)† no
4† no disk
disk
3 (76) one
disk†
2 Pipe or 3-in.
3 (76)† no disk
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
3 (76)† no disk
2 Pipe or 3-in.
Concentric
4 (102)† no
disk
NON-DIRECT
VENT (1-PIPE)
NUMBER OF 90° ELBOWS
ONLY
PIPE DIA ---
1 2
IN (mm)*
64 59
1-1/2 (38)
(19.5) (18.0)
70 70
2 (51)
(21.3) (21.3)
16 11
1-1/2 (38)
(4.9) (3.4)
68 63
2 (51)
(20.7) (19.2)
46 41
2 (51)
(14.0) (12.5)
70 70
2-1/2 (64)
(21.3) (21.3)
33 24
2-1/2 (64)
(10.1) (7.3)
70 70
3 (76)
(21.3) (21.3)
65 58
NA
(19.8) (17.7)
59 59
3 (76)†
(18.0) (18.0)
70 70
4 (102) † no disk
(21.3) (21.3)
11 6
NA
(3.4) (1.8)
30 26
NA
(9.1) (7.9)
70 70
NA
(21.3) (21.3)
NON-DIRECT
VENT (1-PIPE) NUMBER OF 90° ELBOWS
ONLY
PIPE DIA
1 2
IN. (mm)*
60 55
1-1/2 (38)
(18.3) (16.8)
70 70
2 (51)
(21.3) (21.3)
15 10
1-1/2 (38)
(4.6) (3.0)
64 59
2 (51)
(19.5) (18.0)
44 39
2 (51)
(13.4) (11.9)
70 70
2-1/2 (64)
(21.3) (21.3)
31 22
2-1/2 (64)
(9.4) (6.7)
70 70
3 (76)
(21.3) (21.3)
53 46
NA
(16.2) (14.0)
56 55
3 (76)†
(17.1) (16.8)
70 70
4 (102)† no disk
(21.3) (21.3)
21 17
NA
(6.4) (5.1)
69 64
NA
(21.0) (19.5)
- - 39 - -
3 4 5 6
54 49 48 43
(16.5) (14.9) (14.6) (13.1)
70 70 70 70
(21.3) (21.3) (21.3) (21.3)
6
NA NA NA
(1.8)
62 57 57 56
(18.9) (17.4) (17.4) (17.1)
28 23 22 13
(8.5) (7.0) (6.7) (4.0)
70 70 70 70
(21.3) (21.3) (21.3) (21.3)
15 14 5
NA
(4.6) (4.3) (1.5)
70 66 61 56
(21.3) (20.1) (18.6) (17.1)
51 44 38 31
(15.5) (13.4) (11.6) (9.4)
58 57 57 56
(17.7) (17.4) (17.4) (17.1)
70 70 70 70
(21.3) (21.3) (21.3) (21.3)
NA NA NA NA
22 18 14 10
(6.7) (5.5) (4.3) (3.0)
70 70 70 70
(21.3) (21.3) (21.3) (21.3)
3 4 5 6
50 45 44 39
(15.2) (13.7) (13.4) (11.9)
70 70 70 70
(21.3) (21.3) (21.3) (21.3)
5
NA NA NA
(1.5)
58 53 52 52
(17.7) (16.2) (15.8) (15.8)
26 21 20 11
(7.9) (6.4) (6.1) (3.4)
70 70 70 70
(21.3) (21.3) (21.3) (21.3)
13 12
NA NA
(4.0) (3.7)
67 62 57 52
(20.4) (18.9) (17.4) (15.8)
40 33 26 20
(12.2) (10.1) (7.9) (6.1)
54 53 52 52
(16.5) (16.2) (15.8) (15.8)
70 70 70 70
(21.3) (21.3) (21.3) (21.3)
13 9 5
NA
(3.9) (2.7) (1.5)
59 54 49 44
(17.9) (16.4) (15.0) (13.4)