5715184-BIM-A-0519
18
Johnson Controls Ducted Systems
Table 6:
Maximum Equivalent Pipe Length
Elevation Sea Level–2000
Elevation 6001–7000
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
60,000
2
65
60,000
2
40
60,000
3
90
60,000
3
65
60,000
4
150
60,000
4
130
80,000
2
65
80,000
2
30
80,000
3
90
80,000
3
65
80,000
4
150
80,000
4
130
100,000
2
30
100,000
2
5
100,000
3
90
100,000
3
65
100,000
4
150
100,000
4
130
Elevation 2001–4000
Elevation 7001–8000
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
60,000
2
55
60,000
2
35
60,000
3
80
60,000
3
60
60,000
4
145
60,000
4
125
80,000
2
55
80,000
2
25
80,000
3
80
80,000
3
60
80,000
4
145
80,000
4
125
100,000
2
20
100,000
2
N/A
100,000
3
80
100,000
3
60
100,000
4
145
100,000
4
125
Elevation 4001–5000
Elevation 8001–9000
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
60,000
2
50
60,000
2
30
60,000
3
75
60,000
3
55
60,000
4
140
60,000
4
120
80,000
2
50
80,000
2
20
80,000
3
75
80,000
3
55
80,000
4
140
80,000
4
120
100,000
2
15
100,000
2
N/A
100,000
3
75
100,000
3
55
100,000
4
140
100,000
4
120
Elevation 5001–6000
Elevation 9001–10000
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
Model Input (BTUH)
Pipe Size (in.)
Max. Equivalent Length (ft)
60,000
2
45
60,000
2
25
60,000
3
70
60,000
3
50
60,000
4
135
60,000
4
115
80,000
2
35
80,000
2
15
80,000
3
70
80,000
3
50
80,000
4
135
80,000
4
115
100,000
2
10
100,000
2
N/A
100,000
3
70
100,000
3
50
100,000
4
135
100,000
4
115
Table 7:
High Altitude Pressure Switches
HIGH ALTITUDE PRESSURE SWITCHES REQUIRED FOR ALL INSTALLTIONS ABOVE 5000 FEET
Part Number
Models
S1-1PS3302
100K
S1-1PS3306
60K
S1-1PS3307
80K