Johnson Controls SABROE UniSAB III - Page 78

Engineering manual - UniSAB III 1.10.8
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001930 en 2021.06
Compressor control and surveillance
Regulator type
Parameter Minimum Maximum
Factory
setting
Unit
Discharge
pressure
Sp 1
-1
-90
24
58
8
21.4
bar
°C/R717
Sp 2
-1
-90
24
58
8
21.4
bar
°C/R717
Sp 1
(SAB 193H-355H)
-1
-90
35.0
74.1
8
21.4
bar
°C/R717
Sp 2
(SAB 193H-355H)
-1
-90
35.0
74.1
8
21.4
bar
°C/R717
Sp 1
(SAB 157 HR)
-1
-90
52
90.0
8
21.4
bar
°C/R717
Sp 2
(SAB 157 HR)
-1
-90
52
90.0
8
21.4
bar
°C/R717
Nz 0.0 200 0.0 °C/R717
Pb 0.1 999.9 10 °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
sec.
Process out
temperature
(Hot water)
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 0.0
sec.
Ext. cool
Sp 1
-999 999 0
Sp 2
-999 999 0
Nz 0 999.9 0
Pb 0 999.9 100
(T.Int.) Only
when PID=Yes
0.5 999.9 60
sec.
(T.Diff.) Only
when PID=Yes
0.0 99.9 0
sec.
Ext. heat
Sp 1
-999 999 0
Sp 2
-999 999 0
Nz 0 999.9 0
Pb 0 999.9 100
(T.Int.) Only
when PID=Yes
0.5 999.9 60
sec.
(T.Diff.) Only
when PID=Yes
0.0 99.9 0
sec.
Motor current
Sp 1
0 2500 2500
Amp
Limiter
Sp 2
0 2500 2500
Amp
Table 20: Settings - regulating parameters, screw compressors