Johnson Controls SABROE Unisab III Control - Page 59

C
D
P disch - P oil
> 3.0 bar
No
Yes
Yes
No
Low oil pressure
shutdown
SHUTDOWN
Reset
t38 = 0
t38 > 15 min.
Fig. 11: Oil circuit pressure drop
Note: For SAB 157HR the shutdown limit is 2.1 bar.
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
Fig. 12: Critical oil circuit pressure drop.
Alarms and shutdowns
Engineering manual - Unisab III 1.10
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