Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
77/346
Compressor control and surveillance
3.1.9
Set points for regulators
Settings - regulating parameters, screw compressors
Regulator type
Parameter
Minimum
Maximum
Factory
setting
Unit
Capacity control
Nz
0.0
10.0
0.0
%
Pb
0.1
999.9
200.0
%
Min. pulse
0.3
50.0
0.5
sec.
Run time
1.0
999.9
See note 1
sec.
Vi slide control, com-
pressors with auto-
matic Vi-
regulation
Nz
0.0
10.0
4.0
%
Pb
0.1
999.9
200.0
%
Min. pulse
0.3
10.0
0.5
sec.
Run time
1.0
999.9
See note 1
sec.
Suction
pressure
Sp 1
-1
-90
9
24.8
1
-19.1
bar
°
C/R717
Sp 2
-1
-90
9
24.8
1
-19.1
bar
°
C/R717
Sp 1
(SAB 193H-355H)
-1
-90
13.0
36.2
1
-19.1
bar
°
C/R717
Sp 2
(SAB 193H-355H)
-1
-90
13.0
36.2
1
-19.1
bar
°
C/R717
Sp 1
(SAB 157 HR)
-1
-90
19
49.3
1
-19.1
bar
°
C/R717
Sp 2
(SAB 157 HR)
-1
-90
19
49.3
1
-19.1
bar
°
C/R717
Nz
0.0
200.0
0.0
°
C/R717
Pb
0.1
999.9
10.0
°
C/R717
(T.Int.) Only
when PID=Yes
0.5
999.9
60.0
sec.
(T.Diff.) Only
when PID=Yes
0.0
99.9
0.0
sec.
Process out
temperature
(Brine)
Sp 1
-60
100
20
°
C
Sp 2
-60
100
20
°
C
Nz
0.0
100
0
°
C
Pb
0.1
999.9
50
°
C
(T.Int.) Only
when PID=Yes
0.5
999.9
60.0
sec.
(T.Diff.) Only
when PID=Yes
0.0
99.9
0
sec.
Содержание SABROE Unisab III Control
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