Precautions for the operation of cold storage equipment

Precautions for the operation of cold storage equipment 1. For the evaporator of the air-cooled machine: always check the defrosting situation, whether the defrosting is timely and effective, it will affect the cooling effect and cause the liquid return of the cooling system. 2. Observe the operating state of the compressor frequently and check its exhaust temperature. During the seasonal operation, pay special attention to the operating state of the system and adjust the system's liquid supply and condensation temperature in a timely manner. 3. The operating unit should always observe the oil level and oil return of the compressor and the cleanliness of the oil. If it is found that the oil is dirty or the oil level drops, it should be resolved in time to avoid poor lubrication. 4. Listen carefully to the sound of the compressor, cooling tower, water pump or condenser fan, and find the abnormality in time, and check the vibration of the compressor, exhaust pipe and foot. 5.The internal cleanliness of the compressor is poor at the initial stage of maintenance of the compressor. After 30 days of operation, the refrigeration oil and filter drier should be replaced once, and after half a year of operation, it should be replaced again (depending on the actual situation). For systems with high cleanliness, the refrigeration oil and filter drier should be replaced once after six months of operation, depending on the situation. 6. The operating unit should always observe the oil level and oil return of the compressor and the cleanliness of the oil. If it is found that the oil is dirty or the oil level drops, it should be resolved in time to avoid poor lubrication. 7. For air-cooled units, the air cooler must be cleaned frequently to maintain a good heat exchange state. For water-cooled units: Always check the turbidity of the cooling water. If the cooling water is too dirty, replace it. Check the water supply system for bubbles, blisters, drops, and leaks. Whether the water pump works normally, whether the valve switch is effective, and whether the cooling tower and fan are normal. For chiller units: Always check the condenser for scaling problems and remove scale in time. 8. For the evaporator of the air-cooled machine, it is necessary to check the defrosting situation frequently. Whether the defrosting is timely and effective will affect the refrigeration effect and cause the liquid return of the refrigeration system. 9. Observe the operating state of the compressor frequently and check its exhaust temperature. During the seasonal operation, pay special attention to the operating state of the system and adjust the liquid supply and condensation temperature of the system in time. 10. Listen carefully to the sound of the compressor, cooling tower, water pump or condenser fan, and find the abnormalities in time, and check the vibration of the compressor, exhaust pipe and feet. 11. Maintenance of the compressor: The internal cleanliness of the initial system is poor, and the refrigeration oil and filter drier should be replaced after 30 days of operation, and again after six months of operation (depending on the actual situation). For systems with high cleanliness, the refrigeration oil and filter drier should be replaced once after six months of operation, depending on the situation.

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