Johnson Controls SABROE UniSAB III - Page 63

Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
63/346
Alarms and shutdowns
Fig. 11: Oil circuit pressure drop
Note: For SAB 157 HR, the shutdown limit is 3.0 bar.
Fig. 12: Critical oil circuit pressure drop.
C
D
P disch - P oil
> 3.0 bar
No
Yes
Yes
No
Low oil pressure
shutdown
SHUTDOWN
Reset
t38 = 0
t38 > 15 min.
P disch P oil
> 5.0 bar
No
Yes
SHUTDOWN
No
Yes
Reset
t39 = 0
D
C
t39 > 25 sec
Critical oil circuil
pressure shutdown