Condensing temperature

The condensing temperature of the compressor system refers to the temperature at which the refrigerant condenses in the condenser. The corresponding temperature is the condensing pressure of the refrigerant vapor.

Condensation temperature is one of the main operating parameters in the refrigeration cycle. For the actual refrigeration device, due to the small variation range of other design parameters, condensation temperature can be said to be the most important operating parameter, which is directly related to the refrigeration effect, safety and reliability of the refrigeration device and the level of energy consumption.

Evaporation temperature

Evaporation temperature refers to the temperature at which the refrigerant evaporates and boils in the evaporator, which corresponds to the corresponding evaporation pressure, and the evaporation temperature is also an important parameter in the refrigeration system.

The evaporation temperature is the refrigeration temperature in an ideal state, but the evaporation temperature of the refrigerant in actual operation is slightly lower than the temperature of refrigeration by 3 to 5 degrees.

Inspiratory temperature

The suction temperature refers to the temperature at which the refrigerant enters the compressor, which is generally higher than the evaporation temperature. Because the evaporation temperature is the saturation temperature of the refrigerant, and the suction temperature is the temperature of the superheated gas, the refrigerant becomes a superheated gas. At this time, the difference between the suction temperature and the evaporation temperature is the suction superheat.

Degree of superheat

Definition of superheat: refers to the temperature difference between the low pressure side and the saturation temperature of the compressor suction port.

Measurement of superheat: Measure the evaporation pressure as close as possible to the temperature sensing packet, and convert the reading to temperature, minus the actual temperature at the suction of the compressor. The superheat should be between 5-8℃.

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