Section 7Refrigeration System
7-2
Self-Contained Harvest Cycle (Models J250/J320/J420/J450/J600/J800/J1000)
Harvest Cycle Refrigeration Sequence
Hot gas flows through the energized hot gas valve,
heating the evaporator. The hot gas valve is sized to
allow the proper amount of refrigerant into the
evaporator. This specific sizing (along with the
proper system refrigerant charge) assures proper heat
transfer, without the refrigerant condensing and
slugging the compressor.
SV1570
EVAPORATOR
HEAT
EXCHANGER
EXPANSION
VALVE
HOT GAS
SOLENOID VALVE
STRAINER
AIR OR WATER
CONDENSER
RECEIVER
WATER COOLED ONLY
COMPRESSOR
DRIER
HIGH PRESSURE VAPOR HIGH PRESSURE LI
UID LOW PRESSURE VAPORLOW PRESSURE LI
UID
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