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1.3 SCHEMATIC DIAGRAM OF SYSTEMS
Figure 1-1
1.4 COOLING OPERATION
1. After compression by the compressor, the low-temperature low-pressure gaseous refrigerant
becomes a high-temperature high-pressure gaseous refrigerant. After being discharged from the
compressor exhaust pipe, it enters the condenser (air-side heat exchanger) through the four-way
reversing valve. As the fan operates, the heat is carried away so that the refrigerant is condensed and
becomes a liquid refrigerant.
2. The high pressure liquid refrigerant that has been condensed by the condenser enters the expansion
valve. The liquid refrigerant expands in volume after throttling, and the state changes to become a
low-temperature, low-pressure liquid refrigerant and a part of the gaseous refrigerant.
3. The gas-liquid mixture of the refrigerant flows into the evaporator (water-side heat exchanger) through
the pipeline, and the refrigerant expands and evaporates in the heat exchanger, absorbs heat in the
water, evaporates and absorbs heat to become gaseous, and the temperature of the brine becomes low.
The pump is continuously operate, and the cooling capacity is continuously pumped to the end
equipment, and then the cooling capacity is emitted.
4. Finally, the gaseous refrigerant that has been expanded and evaporated passes through the four-way
reversing valve and the compressor suction line to enter the compressor then compress again and the
cycle is repeated.
Summary of Contents for ISW-10 SF1-DN1
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