Air-cooled chillers require high operating accuracy

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Издатель Oct 17, 2021

Where an air-cooled chiller is needed, it shows that the requirements for operation accuracy are very high.

Air-cooled chillers should be equipped with an exhaust temperature protector to protect the compressor from working under negative high stress or insufficient refrigerant. The temperature detected at 10cm between the compressor and the exhaust pipe should be within the range of 130 plus or minus 5°C in order to stop the compressor.

The low pressure switch is set for the safety of the air-cooled chiller when the compressor is running under the condition of insufficient refrigerant. When it reaches 0.03mpa, the compressor stops working. Once the compressor is running in the absence of refrigerant, the temperature of the compressor and motor components will rise instantaneously. At this time, the low-pressure switch can protect them, while the internal thermostat and exhaust gas temperature protector do not work.