Johnson Controls SABROE UniSAB III - 2.1.2 Measured and calculated pressure levels - screws

Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
39/346
Alarms and shutdowns
2.1.2 Measured and calculated pressure levels - screws
Measuring Min. Max. Factory Note
Suction pressure (bar)
High shutdown
High alarm
Low alarm
Low shutdown
-
1.5
-1.0
-1.0
-
9.0
6.0
6.0
-
5.0
1.5
1.0
-
3+4+5+33
3+4+5
3+4+5
Suction pressure (bar)
SAB 157HR, SAB 273S
High shutdown
High alarm
Low alarm
Low shutdown
-
5.0
-1.0
-1.0
-
22.0
20.0
20.0
-
19.0
3.5
2.5
-
3+4+5
3+4+5
3+4+5
Suction pressure (bar)
SAB 193H, 233H, 283H, 355H
High shutdown
High alarm
Low alarm
Low shutdown
-
1.5
-1.0
-1.0
-
15.0
11.0
10.5
-
5.0
2.0
1.5
-
3+4+5
3+4+5
3+4+5
Suction pressure gradient (Bar/
min)
Calculated value
SAB 193H, 233H, 283H, 355H
SAB 157HR, SAB 273S
High shutdown
High alarm
0.10
0.10
5.00
5.00
0.40
0.20
38
38
Internal suction pressure
(bar)
SAB 109-133-159 and SABflex
High shutdown
High alarm
Low alarm
Low shutdown
2.0
2.0
-
-
7.0
7.0
-
-
7.0
6.3
-
-1.0
2+26
2+26
-
Internal pressure (bar)
Calculated value
SAB 157HR
High shutdown
High alarm
Set point 1
Set point 2
-
-
-
-
-
-
-
-
100.0
-
80.0
75.0
2+29
Internal pressure (Bar)
Calculated value
SAB 193H, 233H, 283H, 355H
High shutdown
High alarm
45.0
40.0
50.0
40.0
50.0
40.0
2+39
2+39
Internal pressure (Bar)
Calculated value
SAB 273S
High shutdown
High alarm
65.0
55.0
70.0
60.0
70.0
60.0
2+39
2+39
Pressure ratio (II)
Calculated value
SAB 109-133-159 and SABflex
High shutdown
High alarm
1.0
1.0
50.0
50.0
30.0
25.0
1+6+27
1+6+27
Discharge pressure
(bar)
High shutdown
High alarm
Low alarm
Low shutdown
4.0
3.0
-
-1.0
24.5
24.0
-
-1.0
16.0
15.0
-
-1.0
1+6
1+6
-
1+5
Discharge pressure (bar)
SAB 157HR, SAB 273S
High shutdown
High alarm
Low alarm
Low shutdown
4.0
3.0
-
-1.0
53.3
52.8
-
-1.0
52.0
50.0
-
-1.0
1+6
1+6
-
1+5
Discharge pressure (bar)
SAB 193H, 233H, 283H, 355H
High shutdown
High alarm
Low alarm
Low shutdown
4.0
3.0
-
-1.0
36.0
35.5
-
-1.0
28.0
27.0
-
-1.0
1+6
1+6
-
1+5