Johnson Controls SABROE Unisab III Control - Measured and Calculated Pressure Levels - Screws

2.1.2 Measured and calculated pressure levels - screws
Measuring Min. Max. Factory Note
Suction pressure
(bar)
High shutdown
High alarm
Low alarm
Low shutdown
-
1.5
-1.0
-1.0
-
9.0
6.0
6.0
-
5.0
1.5
1.0
-
3+4+5
3+4+5
3+4+5
Suction pressure (bar)
SAB 157HR
High shutdown
High alarm
Low alarm
Low shutdown
-
5.0
-1.0
-1.0
-
22.0
20.0
20.0
-
19.0
3.5
2.5
-
3+4+5
3+4+5
3+4+5
Internal suction pressure
(bar)
SAB 109-133-159 and SABflex
High shutdown
High alarm
Low alarm
Low shutdown
2.0
2.0
-
-
7.0
7.0
-
-
7.0
6.3
-
-1.0
2+26
2+26
-
Internal pressure (bar)
Calculated value
SAB 157HR
High shutdown
High alarm
Set point 1
Set point 2
-
-
-
-
-
-
-
-
100.0
-
80.0
75.0
2+29
Pressure ratio (II)
Calculated value
SAB 109-133-159 and SABflex
High shutdown
High alarm
1.0
1.0
50.0
50.0
30.0
25.0
1+6+27
1+6+27
Discharge pressure
(bar)
High shutdown
High alarm
Low alarm
Low shutdown
4.0
3.0
-
-1.0
24.5
24.0
-
-1.0
16.0
15.0
-
-1.0
1+6
1+6
-
1+5
Discharge pressure (bar)
SAB 157HR
High shutdown
High alarm
Low alarm
Low shutdown
4.0
3.0
-
-1.0
53.3
52.8
-
-1.0
52.0
50.0
-
-1.0
1+6
1+6
-
1+5
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 193-233-283-355
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
Alarms and shutdowns
Engineering manual - Unisab III 1.10
001930 en 2014.09
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