Bryant 355MAV Furnace User Manual


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TABLE 7—MAXIMUM ALLOWABLE PIPE LENGTH (FT)
ALTITUDE
UNIT
SIZE
TERMINATION
TYPE
PIPE DIAMETER
(IN.)*
NUMBER OF 90° ELBOWS
123456
0 to 2000
042040
2 Pipe or 2-In.
Concentric
1-1/2 50 45 40 35 30 25
2 707070707070
042060
2 Pipe or 2-In.
Concentric
1-1/2 50 45 40 35 30 25
2 707070707070
042080
060080
2 Pipe or 2-In.
Concentric
1-1/2 30 25 20 15 10 5
2 707070707070
060100
2 Pipe or 2-In.
Concentric
2 454035302520
2-1/2 70 70 70 70 70 70
060120
2 Pipe or 3-In.
Concentric
2-1/2 10 NA NA NA NA NA
3 3530 15NANANA
3† 70 70 70 70 70 70
Altitude
Unit
Size
Termination
Type
Pipe Diameter
(In.)*
Number of 90° Elbows
123456
2001 to 3000
042040
2 Pipe or 2-In.
Concentric
1-1/2 45 40 35 30 25 20
2 707070707070
042060
2 Pipe or 2-In.
Concentric
1-1/2 45 40 35 30 25 20
2 707070707070
042080
060080
2 Pipe or 2-In.
Concentric
1-1/2 26 21 16 11 6 NA
2 707070707070
060100
2 Pipe or 2-In.
Concentric
2 403530252015
2-1/2 70 70 70 70 70 70
060120
2 Pipe or 3-In.
Concentric
3 3126 12NANANA
3† 63 62 62 61 61 61
Altitude
Unit
Size
Termination
Type
Pipe Diameter
(In.)*
Number of 90° Elbows
123456
3001 to 4000
042040
2 Pipe or 2-In.
Concentric
1-1/2 42 37 32 27 22 17
2 707070707070
042060
2 Pipe or 2-In.
Concentric
1-1/2 42 37 32 27 22 17
2 707070707070
042080
060080
2 Pipe or 2-In.
Concentric
1-1/2 25 20 15 10 5 NA
2 707070707070
060100
2 Pipe or 2-In.
Concentric
2 383328231813
2-1/2 70 70 70 70 70 70
060120
2 Pipe or 3-In.
Concentric
3 2924 10NANANA
3† 59 59 58 57 57 56
Altitude
Unit
Size
Termination
Type
Pipe Diameter
(In.)*
Number of 90° Elbows
123456
4001 to 5000‡
042040
2 Pipe or 2-In.
Concentric
1-1/2 40 35 30 25 20 15
2 707070707070
042060
2 Pipe or 2-In.
Concentric
1-1/2 40 35 30 25 20 15
2 707070707070
042080
060080
2 Pipe or 2-In.
Concentric
1-1/2 23 18 13 8 NA NA
2 707070707068
060100
2 Pipe or 2-In.
Concentric
2 363126211611
2-1/2 70 70 70 70 70 70
060120
2 Pipe or 3-In.
Concentric
3† 56 55 54 53 52 52
Altitude
Unit
Size
Termination
Type
Pipe Diameter
(In.)*
Number of 90° Elbows
123456
5001 to 6000‡
042040
2 Pipe or 2-In.
Concentric
1-1/2 37 32 27 22 17 12
2 707070707070
042060
2 Pipe or 2-In.
Concentric
1-1/2 37 32 27 22 17 12
2 707070707070
042080
060080
2 Pipe or 2-In.
Concentric
1-1/2 22 17 12 7 NA NA
2 707070706863
060100
2 Pipe or 2-In.
Concentric
2 3328231813 8
2-1/2 70 70 70 70 70 70
060120
2 Pipe or 3-In.
Concentric
3† 53 52 50 49 48 47
See notes on next page.
—26—
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