Carrier 58MVB Installation, Start-Up, And Operating Instructions Manual page 36

Table 11—Maximum Allowable Pipe Length (Ft)
UNIT SIZE
ALTITUDE
(BTUH)
40,000
60,000
5001 to 6000‡
80,000
100,000
120,000
UNIT SIZE
ALTITUDE
(BTUH)
40,000
60,000
6001 to 7000‡
80,000
100,000
120,000
UNIT SIZE
ALTITUDE
(BTUH)
40,000
60,000
7001 to 8000‡
80,000
100,000
120,000
DIRECT VENT (2-PIPE) ONLY
Termination Pipe Dia
Type (IN.)*
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
2
2 Pipe or 2-In.
Concentric
2-1/2
2 Pipe or 3-In.
3†
Concentric
DIRECT VENT (2-PIPE) ONLY
Termination Pipe Dia
Type (IN.)*
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
2
2 Pipe or 2-In.
Concentric
2-1/2
2 Pipe or 3-In.
3†
Concentric
DIRECT VENT (2-PIPE) ONLY
Termination Pipe Dia
Type (IN.)*
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
2
2 Pipe or 2-In.
Concentric
2-1/2
2 Pipe or 3-In.
3†
Concentric
Continued
NON-DIRECT VENT
(1-PIPE) ONLY
Pipe Dia
1
(IN.)*
1-1/2 37
2 70
1-1/2 37
2 70
1-1/2 22
2 70
2 33
2-1/2 70
3 53
NON-DIRECT VENT
(1-PIPE) ONLY
Pipe Dia
1
(IN.)*
1-1/2 35
2 70
1-1/2 35
2 70
1-1/2 20
2 70
2 31
2-1/2 70
3 49
NON-DIRECT VENT
(1-PIPE) ONLY
Pipe Dia
1
(IN.)*
1-1/2 32
2 66
1-1/2 32
2 66
1-1/2 18
2 66
2 29
2-1/2 66
3 46
36
NUMBER OF 90° ELBOWS
2 3 4 5
32 27 22 17
70 70 70 70
32 27 22 17
70 70 70 70
17 12 7 NA
70 70 70 68
28 23 18 13
70 70 70 70
52 50 49 48
NUMBER OF 90° ELBOWS
2 3 4 5
30 25 20 15
70 68 67 66
30 25 20 15
70 68 67 66
15 10 5 NA
70 68 67 62
26 21 16 11
70 68 67 66
48 47 45 44
NUMBER OF 90° ELBOWS
2 3 4 5
27 22 17 12
65 63 62 60
27 22 17 12
65 63 62 60
13 8 NA NA
65 63 62 57
24 19 14 9
65 63 62 60
44 43 41 40
6
12
70
12
70
NA
63
8
70
47
6
10
64
10
64
NA
57
6
64
43
6
7
59
7
59
NA
52
NA
59
38