Johnson Controls SABROE Unisab III Control, Engineering Manual, Page: 40 / 348

Engineering manual - UniSAB III 1.10.8
40/346
001930 en 2021.06
Alarms and shutdowns
Measuring Min. Max. Factory Note
Oil pressure (bar)
Calculated value
SAB Mk 1 compressors
Low alarm
Low shutdown 1.5
1.0 6.0
5.0 4.0
2.5 2+7
2+7
Oil pressure (bar)
Calculated value
SAB Mk 2 compressors
Low alarm
Low shutdown 0.0
0.0 6.0
5.0 0.0
0.0 2+9
2+9
Oil pressure (bar)
Calculated value
SAB Mk 3, Mk 4 compressors
SAB 202, 283 Mk1, 330, 355
Mk1, FV 19, SV 24/26, FV 24/
26
Low alarm
Low shutdown
Set point 1
Set point 2
1.0
0.5
0.0
0.0 6.0
5.0
10.0
10.0
1.5
1.2
2.5
4.0 2+9
2+9
21
21
Oil pressure (bar)
Calculated value
VMY Mk 2-2.5 compressor
Low alarm
Low shutdown 1.5
1.0 6.0
5.0 2.0
1.5 2+9+17
2+9+17
Oil pressure (bar)
Calculated value
VMY Mk 3 compressors
Low alarm
Low shutdown
Set point 1
Set point 2
1.5
1.0
0.0
0.0 6.0
5.0
10.0
10.0
4.0
3.0
5.5
7.0
2+9
2+9
22
22
Oil pressure (bar)
Calculated value
SAB 120-151, SAB 157HR and
SAB 193-355, SAB 193H-355H,
SAB 273S
Low alarm
Low shutdown
Set point 1
Set point 2
1.5
1.0
0.0
0.0 6.0
5.0
10.0
20.0
1.5
1.0
2.5
3.0 2+9b
2+9b
21
21
Oil pressure (bar)
Calculated value
SAB 80
Low alarm
Low shutdown
Set point 1
Set point 2
1.5
1.0
0.0
0.0 6.0
5.0
10.0
20.0
2.0
1.5
0.5
16.0
2+9
2+9
20
20
Oil pressure (bar)
Calculated value
SAB 109
Low alarm
Low shutdown
Low alarm coefficient 1.3
0.8
0.5 5.0
5.0
1.0 1.3
0.8
0.5 2+9c+28
2+9c+28
Oil pressure (bar)
Calculated value
SAB 133-159
Low alarm
Low shutdown
Low alarm coefficient 2.0
1.5
0.25
5.0
5.0
1.0 2.0
1.5
0.25
2+9c+28
2+9c+28
Oil pressure (bar)
Calculated value
SABflex
Low alarm
Low shutdown
Set point 1
Set point 2
Low alarm coefficient 2.0
1.5
0.0
0.0
0.25
5.0
5.0
10.0
20.0
1.0
2.0
1.5
2.5
3.0
0.25
2+9c+28
2+9c+28
21
21
Diff. pressure across oil
filter (bar)
Calculated value
All types except SAB 80,
SAB 120-151, SAB 157HR and
SAB 193-233-283-355
High shutdown
High alarm
0.0
0.0 1.5
1.3 1.0
0.7 2+11a
2+11a