Bryant 355CAV Furnace User Manual


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Table 7 – Maximum Allowable Pipe Length -- Ft (M)
ALTITUDE
UNIT SIZE
(BTUH)
Di re ct Ve nt (2 --- Pip e On ly )
NUMBER OF 90_ ELBOWS
Termination
Type
Pipe Dia
In. (mm)*
1 2 3 4 5 6
0 to 2000
(0 to 610)
60,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 50 (15.2) 45 (13.7) 40 (12.9) 35(10.7) 30 (9.1) 25 (7.6)
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
80,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 30 (9.14) 25 (7.6) 20 (6.1) 15 (4.6) 10 (3.0) 5 (1.5)
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
100,000
2 Pipe or 2 ---In. (51)
Concentric
2 (51) 45 (13.7) 40 (12.9) 35 (10.7) 30( 9.1) 25 (7.6) 20 (6.1)
2---1/2 (64) 70 (21.3) 70 (21.3) 70 (21.3) 70(21.3) 70 (21.3) 70 (21.3)
120,000
2 Pipe or 3 ---In. (76)
Concentric
2 ---1/2 one disk 10 (3.0) NA NA NA NA NA
3 (76) one disk 35 (10.7) 30(9.1) 15 (4.8) NA NA NA
3 (76) one disk† 70 (21.3) 70 (21.3) 70(21.3) 70 (21.3) 70 (21.3) 70 (21.3)
ALTITUDE
UNIT SIZE
(BTUH)
Termination
Type
Pipe Dia
In. (mm)*
NUMBER OF 90_ ELBOWS
1 2 3 4 5 6
2001 to 3000
(610 to 914)
60,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 45 (13.7) 40 (12.9) 35 (10.7) 30(9.14) 25 (7.6) 20 (6.1)
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
80,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 26 (7.9) 21 (6.4) 16 (4.9) 11 (3.4) 6 (1.8) NA
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
100,000
2 Pipe or 2 ---In. (51)
Concentric
2 (51) 40 (12.2) 35 (10.7) 30 (9.1) 25 (7.6) 20(6.1) 15 (4.6)
2---1/2 (64) 70 (21.3) 70 (21.3) 70 (21.3) 70(21.3) 70 (21.3) 70 (21.3)
120,000
2 Pipe or 3 ---In. (76)
Concentric
3 (76) one disk 31 (9.4) 26 (7.9) 12 (3.7) NA NA NA
3 (76) one
disk†
63 (19.2) 62 (18.9) 62 (18.9) 61 (18.6) 61 (18.6) 61 (18.6)
ALTITUDE
UNIT SIZE
(BTUH)
Termination
Type
Pipe Dia
In. (mm)*
NUMBER OF 90_ ELBOWS
1 2 3 4 5 6
3001 to 4000
(914 to 1219)
60,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 42 (12.8) 37 (11.2) 32 (9.8) 27 (8.2) 22 (6.7)
17 (5.2)
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
80,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 25 (7.6) 20 (6.1) 15 (4.6) 10 (3.0) 5 (1.5) NA
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
100,000
2 Pipe or 2 ---In. (51)
Concentric
2 (51) 38 (11.6) 33 (10.1) 28 (8.5) 23 (7.0) 18(5.5) 13 (4.0)
2---1/2 (64) 70 (21.3) 70 (21.3) 70 (21.3) 70(21.3) 70 (21.3) 70 (21.3)
120,000
2 Pipe or 3 ---In.
Concentric
3 (76) one disk 29 (8.8) 24 (7.3) 10 (3.0) NA NA NA
3 (76) one
disk†
59 (18.0) 59 (18.0) 58 (17.8) 57 (17.4) 57 (17.4) 56 (17.0)
ALTITUDE
UNIT SIZE
(BTUH)
Termination
Type
Pipe Dia
In. (mm)*
NUMBER OF 90_ ELBOWS
1 2 3 4 5 6
4001 to 5000
(1219 to 1524)‡
60,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 40 (12.2) 35 (10.7) 30 (9.1) 25 (7.6) 20 (6.1) 15 (9.6)
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
80,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 23 (7.0) 18 (5.5) 13 (4.0) 8 (2.4) NA NA
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 68 (20.7)
100,000
2 Pipe or 2 ---In. (51)
Concentric
2 (51) 36 (11.0) 31(9.4) 26 (7.9) 21 (6.4) 16 (4.8) 11 (3.4)
2---1/2 (64) 70 (21.3) 70 (21.3) 70 (21.3) 70(21.3) 70 (21.3) 70 (21.3)
120,000
2 Pipe or 3 ---In. (76)
Concentric
3 (76) one
disk†
56 (17.1) 55 (16.8) 54 (16.5) 53( 6.2) 52(15.8) 52 (15.8)
ALTITUDE
UNIT SIZE
(BTUH)
Termination
Type
Pipe Dia
In. (mm)*
NUMBER OF 90_ ELBOWS
1 2 3 4 5 6
5001 to 6000
(1524 to 1829)‡
60,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 37 (11.3) 32 (9.8) 27 (8.2) 22 (6.7) 17 (5.2) 12 (3.7)
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3)
80,000
2 Pipe or 2 ---In. (51)
Concentric
1---1/2 (38) 22 (6.7) 17 (5.2) 12 (3.7) 7 (2.1) NA NA
2 (51) 70 (21.3) 70 (21.3) 70 (21.3) 70 (21.3) 68 (20.7) 63 (19.2)
100,000
2 Pipe or 2 ---In. (51)
Concentric
2 (51) 33 (10) 28 (8.5) 23 (7.0) 18 (5.5) 13(4.0) 8 ( 2.4)
2---1/2 (64) 70 (21.3) 70 (21.3) 70 (21.3) 70(21.3) 70 (21.3) 70 (21.3)
120,000
2 Pipe or 3 ---In. (76)
Concentric
3 (76) one
disk†
53 (16.2) 52 (15.8) 50 (15.2) 49 (14.9) 48 (14.6) 47 (14.3)
*See notes on next page.
355CAV
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