FBD 373 - Page 54

37X INSTALLATION & OPERATION MANUAL
372/373 MODELS
52
Figure 11.5 Flow Diagram for 372 Nitro Dispenser
P
S
P P
S
P P
P
S
S
P
EXPANSION
CHAMBER
EXPANSION
CHAMBER
FREEZE
CHAMBER
FREEZE
CHAMBER
DISPENSING
DISPENSING
SYRUP
IN
SYRUP
IN
15-20 PSI
60 PSI
30 PSI
8 PSI
SAMPLE
SOLUTION
MODULE
SOLUTION
MODULE
SAMPLE
N
2
CO
2
H
2
O
S
P
S
VALVE
VARIABLE
RESTRICTION
PUMP
CHECK
VALVE
PRESSURE
TRANSDUCER
SOLENOID
VALVE
PRESSURE
REGULATOR
L
E
G
E
N
D
RESTRICTOR
QUICK EXHAUST
VALVE
S