The Reason Why the Cooling Capacity of the Chiller is Insufficient and the Cooling is Slow

2022/11/09 ClassificationIndustry News 260

The Reason Why the Cooling Capacity of the Chiller is Insufficient and the Cooling is Slow

The chiller is the necessary refrigeration equipment for industrial production, and each unit is inseparable from the participation of the refrigerant during operation, so the lack of cooling capacity will affect the normal operation of the machine. So when we encounter the problem of insufficient cooling capacity of the chiller or slow cooling and cooling, how to solve it?

The reasons for the insufficient cooling capacity of the chiller or the slow cooling down:

1. Check whether there is air in the refrigeration system of the chiller. When installing the chiller, whether it is inside the unit, the water pump, or the pipeline, there must be no air, even if there is only a little air, the chiller will definitely not operate normally. In addition, there is a layer of film inside the pump, which must be removed before installation. Otherwise, there is no way for the water to circulate or the circulation is very slow, which directly affects the operation of the chiller.

2. Excessive cooling loss. Because the insulation thickness of the equipment pipeline is insufficient or the insulation layer is damaged, the cooling loss increases and the cooling effect is affected. During operation, once it is found that there are wet or frosted parts on the outer surface of the insulation layer, it means that the thickness of the insulation material is not enough or has been damp. At this time, the insulation material should be added or replaced in time. In addition, the cover of the evaporator water tank is not tight, the seal of the air handling room or the cold storage door is damaged, and the air supply duct of the air conditioner and the door and window of the room leak. It will increase the loss of cooling capacity, and it is necessary to take timely countermeasures.

3. The poor efficiency of refrigeration compressors is also one of the reasons. In the long-term operation of the equipment, the wear of moving parts, the increase of matching clearance or the poor sealing will reduce the actual air delivery capacity of the compressor and the cooling capacity. To check the refrigeration compressor. If the repair is not good, it should be replaced in time. Air in the system can also cause this to happen. At this time, the exhaust pressure and temperature increase, the power consumption increases, and the cooling capacity decreases.

4. Check whether the moving parts of the refrigeration compressor are worn, or the gap increases, resulting in a decrease in the air delivery. The compressor is the heart of the chiller. Once the compressor fails, the chiller cannot run 100%. Therefore, the regular inspection and maintenance of the compressor cannot be ignored.

5. When each chiller is installed, a layer of insulation cotton will be wrapped on the evaporator and pipeline to prevent the loss of cooling capacity. If the cooling speed of the unit is slow, the enterprise should first check whether the thickness of the insulation layer of the pipeline is not enough, or whether the insulation layer is damaged. Be sure to pack insulation cotton and make sure it is thick enough.

If this phenomenon occurs in the chiller, it is generally inseparable from the above 5 reasons. Of course, if the problem is still not solved after following the methods analyzed above, it is recommended that you directly contact the chiller manufacturer for inspection and maintenance to avoid a wider range of failures.

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