Johnson Controls SABROE Unisab III Control - Measured and Calculated Temperatures - Recips

2.1.5 Measured and calculated temperatures - recips.
Measuring Min. Max. Factory Note
Discharge temperature (°C)
High shutdown
High alarm
Low alarm
Low shutdown
60.0
50.0
-65.0
-
155.0
155.0
-65.0
-
125.0
120.0
-65.0
-
1+6
1+6
-
-
Oil temperature (°C)
High shutdown
High alarm
Low alarm
Low shutdown
40.0
30.0
0.0
0.0
105.0
105.0
50.0
40.0
80.0
75.0
30.0
25.0
2
2
2+7
2+7
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
Intermediate gas temperature
(°C)
Two-stage compressors only
High shutdown
High alarm
Low alarm
Low shutdown
50.0
50.0
-20.0
-20.0
155.0
120.0
50.0
50.0
100.0
95.0
4.0
2.0
2+7
2+7
2+7
2+7
Suction gas superheat (°C)
Calculated value
High shutdown
High alarm
Low alarm
Low shutdown
6.0
5.0
0.0
0.0
120.0
120.0
40.0
40.0
110.0
100.0
4.0
2.0
2+7
2+7
2+10+13
2+10+13
Discharge gas superheat (°C)
Calculated value
Low alarm
Low shutdown
5.0
0.0
40.0
40.0
10.0
0.0
2+10+13
2+10+13
Table 12: Measured and calculated temperatures - reciprocating 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 13: 4-20 m User input 1 signal
Alarms and shutdowns
Engineering manual - Unisab III 1.10
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