
77X INSTALLATION & OPERATION MANUAL
771/772/773/774 MODELS
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P
S
S
SS
FLOW
T
SCROLL
COMPRESSO
R
PRESSURE
EVAPORATOR
EXPANSION
VALVE & SOLENOID
DEFROST
VALVE & SOLENOID
EVAPORATOR
EVAPORATOR
EVAPORATOR
TEMPERATURE
HEAT
EXCHANGER
FILTE
R
DRIE
R
PRESSURE
LIQUID RECEIVER
P
CONDENSER
STRAINE
R
Figure 11.16 Refrigeration Schematic for 774 Standard Air-Cooled Dispenser