Primary and secondary refrigeration coils are connected via suction and liquid lines incorporating thermal expansion valves, a solenoid valve, and a liquid line tee. Line voltage and neutral connections feed the primary and secondary coils, while the thermostat and time clock are omitted for diagram clarity.
PRIMARY COIL TXV COIL CORE SUCTION TEE SOL TXV COIL CORE LIQUID LINES LIQUID LINE LINE SECONDARY COIL PRIMARY COIL TXV COIL CORE SUCTION TEE SOL TXV COIL CORE LIQUID LINES LIQUID LINE LINE SECONDARY COIL N L1 N L1 A N L1 N L1 A TO SIMPLIFY DIAGRAM T-STAT & TIME CLOCK NOT SHOWN AND ELECTRICAL CONNECTIONS FOR SYSTEM(S): PRIMARY / SECONDARY COIL PIPING AIR DEFROST TO SIMPLIFY DIAGRAM T-STAT & TIME CLOCK NOT SHOWN AND ELECTRICAL CONNECTIONS FOR SYSTEM(S): PRIMARY / SECONDARY COIL PIPING AIR DEFROST
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