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Maintenance and maintenance of cryogenic refrigerator

Maintenance and maintenance of cryogenic refrigerator

  • Categories:Company News
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  • Time of issue:2019-09-25 14:36
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(Summary description)The characteristics of the low-temperature freezer are that, compared with the medium-temperature cold water or the ordinary freezer, the refrigeration boundary is lower,

Maintenance and maintenance of cryogenic refrigerator

(Summary description)The characteristics of the low-temperature freezer are that, compared with the medium-temperature cold water or the ordinary freezer, the refrigeration boundary is lower,

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2019-09-25 14:36
  • Views:
Information

The characteristics of the low-temperature freezer are that, compared with the medium-temperature cold water or the ordinary freezer, the refrigeration boundary is lower, and it may be as low as tens of degrees Celsius to minus 100 degrees Celsius. Below, the refrigeration materials and refrigeration require more electrical materials than usual. Or Chinese-language freezer is high, and in terms of nursery and shelter, cryogenic refrigeration is more and more troublesome.

Therefore, we should pay attention to maintenance and maintenance in daily use:

1. The air-cooled low-temperature freezer unit should be turned on to see if the fan's steering is correct. If the forward rotation can be turned on, the reverse rotation indicates that the power supply wiring is reversed, and the phase sequence must be replaced before starting.

2. The set values ​​of the various protection devices of the unit have been set up by the factory, and users should not arbitrarily change them.

3. When the unit has a fault alarm and stops, first press the stop button of the unit (the alarm light will go out), and then check the cause of the fault. Do not force the machine to run before the fault is eliminated.

4. If it is not an emergency, the unit should not be turned off by cutting off the main power supply; if the unit is stopped for a long time in winter, shut down the unit first, then turn off the main power supply, and the oil heater will drain the water in the system.

5. To keep the equipment room clean and well ventilated, clean the condenser regularly to ensure the normal and stable operation of the unit.

6. The water-cooled cryogenic refrigerator should keep the heat-dissipating water tower clean and keep the air circulation around the water tower. The temperature is low to prevent debris from entering the cooling tower to reduce heat dissipation efficiency.

7. Air-cooled low-temperature freezer Please keep the surface of the low-temperature freezer heat-dissipating coil clean, ensure the surrounding air circulation, low temperature, regularly clean the scale on the coil to ensure good heat transfer.

8. If the cryogenic refrigerator has been used for more than six months, or the high/low voltage switch often fails, or the cooling capacity is reduced, please clean the condenser in time. If the ultra-thin light box is repaired according to the above instructions many times, the low-temperature freezer fault alarm still sounds long, then it is necessary to professionally repair the low-temperature freezer personnel for repair.

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