Figure 2-3A Control System Diagram- Functional Components
A MINIMUM PRESSURE/ CHECK VALVE
DOWNSTREAM PRESSURE REGULATOR
B
VALVE (60 PSIG)
MODULATING CONTROL REGULATOR
C
VALVE
D BLOWDOWN SOLENOID VALVE
E SEQUENCING SOLENOID VALVE
DOWNSTREAM PRESSURE REGULATOR
F
VALVE
G UNLOAD CONTROL REGULATOR VALVE
KEY
KEY (CONTINUED)
H CONTROL LINE FILTER
J AIR INLET POPPET VALVE
K FROM SUMP
L BLOWDOWN VALVE
LEGEND
1 TO INLET FILTER
2 TO FLUID FILTER (P4)
3 TO WET SIDE SUMP (P1)
4 TO INLET FLUID INJECTION BLOCK
Section 2
DESCRIPTION
11