In the actual operation of the cold storage refrigeration unit, due to long-term use without maintenance or improper use, there are often many problems, such as insufficient cooling capacity, insufficient cooling temperature, dirty blockage, oil blockage, etc. These problems will directly affect the whole process. The cooling effect of the cold storage brings a lot of loss to the user. Therefore, it is very important for the operator to properly and effectively repair and maintain the price of the cold storage in actual use.
For the first time, in the operation of the refrigerated cold storage price, the cold storage staff should always pay attention to the oil level of the refrigeration compressor oil mirror of the unit to ensure that the oil level is within the range specified by the oil mirror. Once the refrigeration compressor is short of oil, there will be a series of cascading failures such as jamming and burning of the motor. From the first operation of the cold storage refrigeration unit, it is necessary to pay attention to the degree of oil level in a timely manner. The refrigeration oil should be replaced in the first month of operation, and then replaced once a year.
Secondly, before using the cold storage refrigeration unit, it is necessary to use professional equipment to check whether the power supply voltage and ambient temperature are within the normal operating range specified by the unit, so as to avoid the voltage shortage (too high). The ambient temperature is too low (too high) to cause damage to the unit.
Third, it is necessary to strictly keep the refrigeration cycle of the cold storage refrigeration unit dry, especially when using seamless steel pipe as the evaporator, it must not be rusted, and metal impurities, acid substances and moisture should not remain on the steel pipe. In addition, the entire cold storage refrigeration unit must be equipped with a current protection device to protect the refrigeration unit from damage caused by overload and extreme load. The refrigeration unit cannot be turned on and off frequently during commissioning and installation. At least the operation must be kept for more than 5 minutes before the shutdown operation is performed.
In short, as long as the user operates in strict accordance with the technical specification manual in the installation and operation of the cold storage refrigeration unit, and carries out detailed maintenance and maintenance, the normal operation of the unit and the service life of the unit can be ensured, thereby creating more value for the user.
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