Johnson Controls YP9C Series Installation Manual page 23

Table 6: Maximum equivalent pipe length
Elevation Sea level - 2000
Model Input (Btu/h) Pipe Size (in)
60,000
60,000
60,000
80,000
80,000
80,000
100,000
100,000
100,000
120,000
120,000
Elevation 2001 - 4000
Model Input (Btu/h) Pipe Size (in)
60,000
60,000
60,000
80,000
80,000
80,000
100,000
100,000
100,000
120,000
120,000
Elevation 4001 - 5000
Model Input (Btu/h) Pipe Size (in)
60,000
60,000
60,000
80,000
80,000
80,000
100,000
100,000
100,000
120,000
120,000
Elevation 5001 - 6000
Model Input (Btu/h) Pipe Size (in)
60,000
60,000
60,000
80,000
80,000
80,000
100,000
100,000
100,000
120,000
120,000
Johnson Controls Ducted Systems
Max. equivalent Length (ft)
2 65
3 90
4 150
2 65
3 90
4 150
2 30
3 90
4 150
3 90
4 150
Max. equivalent Length (ft)
2 55
3 80
4 145
2 55
3 80
4 145
2 20
3 80
4 145
3 80
4 145
Max. equivalent Length (ft)
2 50
3 75
4 140
2 50
3 75
4 140
2 15
3 75
4 140
3 75
4 140
Max. equivalent Length (ft)
2 45
3 70
4 135
2 35
3 70
4 135
2 10
3 70
4 135
3 70
4 135
Elevation 6001 - 7000
Model Input (Btu/h) Pipe Size (in)
60,000 2
60,000 3
60,000 4
80,000 2
80,000 3
80,000 4
100,000 2
100,000 3
100,000 4
120,000 3
120,000 4
Elevation 7001-8000
Model Input (Btu/h) Pipe Size (in)
60,000 2
60,000 3
60,000 4
80,000 2
80,000 3
80,000 4
100,000 2
100,000 3
100,000 4
120,000 3
120,000 4
Elevation 8001-9000
Model Input (Btu/h) Pipe Size (in)
60,000 2
60,000 3
60,000 4
80,000 2
80,000 3
80,000 4
100,000 2
100,000 3
100,000 4
120,000 3
120,000 4
Elevation 9001-10000
Model Input (Btu/h) Pipe Size (in)
60,000 2
60,000 3
60,000 4
80,000 2
80,000 3
80,000 4
100,000 2
100,000 3
100,000 4
120,000 3
120,000 4
5750151-UIM-G-0423
Max. equivalent Length (ft)
40
65
130
30
65
130
5
65
130
65
130
Max. equivalent Length (ft)
35
60
125
25
60
125
NA
60
125
60
125
Max. equivalent Length (ft)
30
55
120
20
55
120
NA
55
120
55
120
Max. equivalent Length (ft)
25
50
115
15
50
115
NA
50
115
50
115
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