Johnson Controls SABROE UniSAB III - Set Points for Regulators

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.