Carrier Infinity 96 58UVB, Product Data, Page: 17 / 22

17
COMBUSTION--AIR AND VENT PIPING FOR DIRECT VENT/2--PIPE (ALL SIZES)
Maximum Allowable Pipe Length (ft)
ALTITUDE
UNIT SIZE
(BTUH)
TERMINATION
TYPE
PIPE DIA (IN.)*
NUMBER OF 90
_
ELBOWS
1 2 3 4 5 6
0 to 2000
60,000
2---Pipe or 2---in.
Concentric
1---1/2 50 45 40 35 30 25
2 70 70 70 70 70 70
80,000
2---Pipe or 2---in.
Concentric
1---1/2 30 25 20 15 10 5
2 70 70 70 70 70 70
100,000
2---Pipe or 2---in.
Concentric
2 45 40 35 30 25 20
2---1/2 70 70 70 70 70 70
120,000
2 Pipe or 3---in.
Concentric
2---1/2 10 N/A N/A N/A N/A N/A
3 one disk 35 30 15 N/A N/A N/A
3
{
one disk 70 70 70 70 70 70
ALTITUDE
UNIT SIZE
(BTUH)
TERMINATION
TYPE
PIPE DIA (IN.)*
NUMBER OF 90
_
ELBOWS
1 2 3 4 5 6
2001 to 3000
60,000
2---Pipe or 2---in.
Concentric
1---1/2 45 40 35 30 25 20
2 70 70 70 70 70 70
80,000
2---Pipe or 2---in.
Concentric
1---1/2 26 21 16 11 6 N/A
2 70 70 70 70 70 70
100,000
2---Pipe or 2---in.
Concentric
2 40 35 30 25 20 15
2---1/2 70 70 70 70 70 70
120,000
2 Pipe or 3---in.
Concentric
3 one disk 31 26 12 N/A N/A N/A
3
{
one disk 63 62 62 61 61 61
ALTITUDE
UNIT SIZE
(BTUH)
TERMINATION
TYPE
PIPE DIA (IN.)*
NUMBER OF 90
_
ELBOWS
1 2 3 4 5 6
3001 to 4000
60,000
2---Pipe or 2---in.
Concentric
1---1/2 42 37 32 27 22 17
2 70 70 70 70 70 70
80,000
2---Pipe or 2---in.
Concentric
1---1/2 25 20 15 10 5 N/A
2 70 70 70 70 70 70
100,000
2---Pipe or 2---in.
Concentric
2 38 33 28 23 18 13
2---1/2 70 70 70 70 70 70
120,000
2 Pipe or 3---in.
Concentric
3 one disk 29 24 10 N/A N/A N/A
3
{
one disk 59 59 58 57 57 56
ALTITUDE
UNIT SIZE
(BTUH)
TERMINATION
TYPE
PIPE DIA (IN.)*
NUMBER OF 90
_
ELBOWS
1 2 3 4 5 6
4001 to 5000
}
60,000
2---Pipe or 2---in.
Concentric
1---1/2 40 35 30 25 20 15
2 70 70 70 70 70 70
80,000
2---Pipe or 2---in.
Concentric
1---1/2 23 18 13 8 N/A N/A
2 70 70 70 70 70 68
100,000
2---Pipe or 2---in.
Concentric
2 36 31 26 21 16 11
2---1/2 70 70 70 70 70 70
120,000
2 Pipe or 3---in.
Concentric
3
{
one disk 56 55 54 53 52 52
ALTITUDE
UNIT SIZE
(BTUH)
TERMINATION
TYPE
PIPE DIA (IN.)*
NUMBER OF 90
_
ELBOWS
1 2 3 4 5 6
5001 to 6000
}
60,000
2---Pipe or 2---in.
Concentric
1---1/2 37 32 27 22 17 12
2 70 70 70 70 70 70
80,000
2---Pipe or 2---in.
Concentric
1---1/2 22 17 12 7 N/A N/A
2 70 70 70 70 68 63
100,000
2---Pipe or 2---in.
Concentric
2 33 28 23 18 13 8
2---1/2 70 70 70 70 70 70
120,000
2 Pipe or 3---in.
Concentric
3
{
one disk 53 52 50 49 48 47
See notes on page 19.
58U
VB