2.1.3 Measured and calculated temperatures - screws
Measuring Min. Max. Factory Note
Discharge temperature (°C)
High shutdown
High alarm
Low alarm
Low shutdown
60.0
50.0
-65.0
-
130.0
120.0
-65.0
-
100.0
90.0
-65.0
-
1+6
1+6
-
-
Discharge temperature (°C)
SAB 157HR
High shutdown
High alarm
Low alarm
Low shutdown
60.0
50.0
-65.0
-
170.0
170.0
-65.0
-
120.0
110.0
-65.0
-
1+6
1+6
-
-
Oil temperature (°C)
All types except SAB 120-151,
SAB 157HR and SAB
193-233-283-355
High shutdown
High alarm
Low alarm
Low shutdown
40.0
30.0
10.0
0.0
80.0
70.0
50.0
40.0
65.0
60.0
45.0
40.0
2+7
2+7
2+7
2+7
Oil temperature (°C)
SAB 120-151, SAB 157HR and
SAB 193-233-283-355
High shutdown
High alarm
Low alarm
Low shutdown
40.0
30.0
10.0
0.0
110.0
110.0
50.0
40.0
75.0
70.0
45.0
40.0
2+7
2+7
2+7
2+7
Oil separator temperature
SAB 120-151,SAB
193-233-283-355 and SABflex
High shutdown
High alarm
Low alarm
Low shutdown
-
60.0
0.0
0.0
-
150.0
50.0
40.0
-
100.0
15.0
10.0
-
1+6
1+6
1+6
Oil separator temperature
SAB 157 HR
High shutdown
High alarm
Low alarm
Low shutdown
-
60.0
0.0
0.0
-
150.0
50.0
40.0
-
100.0
45.0
40.0
-
1+6
1+6
1+6
Process out temperature (°C)
High shutdown
High alarm
Low alarm
Low shutdown
-60.0
-60.0
-100.0
-100.0
100.0
100.0
100.0
100.0
60.0
50.0
4.0
2.0
1+6
1+6
1+6
1+6
Process in temperature (°C)
High shutdown
High alarm
Low alarm
Low shutdown
-60.0
-60.0
-100.0
-100.0
100.0
100.0
100.0
100.0
60.0
50.0
4.0
2.0
1+6
1+6
1+6
1+6
Suction gas superheat (°C)
Calculated value
High shutdown
High alarm
Low alarm
Low shutdown
6.0
5.5
0.0
0.0
120.0
120.0
40.0
40.0
110.0
100.0
2.0
0.0
2+7+12
2+7+12
2+7+10
2+7+10
Discharge gas superheat (°C)
Calculated value
Low alarm
Low shutdown
Set point 1
Set point 2
5.0
0.0
0.0
0.0
40.0
40.0
999.9
999.9
15.0
10.0
5.0
10.0
2+7+10
2+7+10
23
23
Table 9: Measured and calculated temperatures - screw compressors
Measuring Min. Max. Factory Note
User input 1
(4-20 mA)
High shutdown
High alarm
Low alarm
Low shutdown
-999.9
-999.9
-999.9
-999.9
999.9
999.9
999.9
999.9
0.0
0.0
0.0
0.0
3+18
3+18
3+18
3+18
Table 10: 4-20 m User input 1 signal
Alarms and shutdowns
Engineering manual - Unisab III 1.10
001930 en 2014.09
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