Section 7Refrigeration System
7-6
J1300/J1800 REFRIGERATION TUBING SCHEMATICS
J1300/J1800 Self-Contained Air- or Water-Cooled Models
NOTE: The refrigeration sequence for self-contained
dual expansion valve ice machines is identical to self-
contained single expansion valve ice machines. See
pages 7-1 and 7-2 for sequence of operation.
DRIER
RECEIVER
CHECK VALVE
J1800 AIR COOLED ONLY
COMPRESSOR
AIR OR WATER COOLED
CONDENSER
STRAINER
EXPANSION
VALVE
EXPANSION
VALVE
EVAPORATOR
HEAT
EXCHANGE
HOT GAS
SOLENOID VALVES
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