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What are the factors related to the poor cooling of fan coil units

Fan coil unit is an air conditioning product with cooling as the standard working condition. According to the function, there are single cooling fan coil unit and cooling and heating fan coil unit. From here we can see that the most important and basic function of fan coil unit is cooling, which is also an important standard to measure the performance of fan coil unit. Fan coil unit does not cooling, and the cooling effect is not good, which indicates that the fan coil unit has a failure. In this case, it is necessary to timely investigate the cause and solve the problem.

1. Physical reasons.  Whether it is cooling or heating, the most taboo thing in any air conditioning situation is air leakage in the space. If the doors and windows are not closed during cooling, or the doors enter and exit too frequently, the loss of cooling capacity will be caused. The cooling effect of fan coil units is definitely not good.

2. System reasons.  Fan coil unit depends on the compressor of the main engine to compress the cooling, and then carries the cold to the coil condenser through the circulation of water to blow the cold. If there is not enough water and water flow speed, the cold will not reach the standard and the cooling is not good.

3. Cause of failure.  The main reason why the water flow rate of fan coil unit is low and why the flow rate is slow is that debris enters the fan coil unit, blocking the fan coil unit. The original pipeline of about 9mm turns into 5mm. You can imagine if it has a great impact on the water flow rate and the flow rate.

4. Reasons for maintenance.  There is another external reason for the poor cooling of the fan coil unit, that is, there is a problem at the tuyere, and the filter screen will be installed at the wind part of the tuyere, and the filter screen is also designed by the system. The filter screen is not cleaned for a long time, and the dust on the filter screen is too much, blocking the mesh, which not only increases the wind resistance, but also reduces the air output of the fan coil unit, resulting in poor cooling of the fan coil unit.

There are four main reasons for the poor cooling of fan coil units and which factors are related, and all of them can be repaired. Therefore, fan coil units should be maintained.

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