65 2813
Note: One refrigeration system is
shown in this illustration. A two-flavor
Unit has one refrigeration system and
a four-flavor Unit has two refrigeration
systems.
HOT GAS DEFROST
SOLENOID VALVE
ASS’Y (2)
ELECTRONIC
EXPANSION VALVE (2)
FREEZE CYLINDER (2)
EVAPORATOR
COOLING WATER OUT
(TO DRAIN)
COOLING WATER IN
(CITY PLAIN WATER)
ACCUMULATOR COMPRESSOR
RECEIVER TANK
*VARIABLE WATER
REGULATOR
ADJUSTMENT
SCREW
CAPILLARY
TUBE
HIGH-PRESSURE
CUTOUT SWITCH
LOWER ELECTRICAL
CONTROL BOX
REFRIGERATION
COOLING COIL ASS’Y
SCHREADER VALVE
*WATER FLOW RATE THROUGH COIL
VARIES DUE TO PRESSURE CHANGE
ON HIGH SIDE OF COMPRESSOR WHICH
INFLUENCES OPENING AND CLOSING
OF VARIABLE WATER REGULATOR.
ADJUST VARIABLE WATER REGULATOR
TO MAINTAIN 200 PSI REFRIGERATION
HIGH-SIDE PRESSURE
FIGURE 17. REFRIGERATION FLOW DIAGRAM (WATER-COOLED REFRIGERATION SYSTEM)
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