What to do When the High Pressure Alarm of the Chiller？
People must pay attention to the maintenance of large-scale temperature control equipment such as industrial water chiller. Sometimes it is normal to encounter high-pressure alarm. We must first find out the causes of high-pressure of the industrial water chiller, and then we can solve the problem according to the remedy.
The causes of high pressure fault of industrial water chiller are as follows:
(1) The cooling water flow is insufficient to reach the rated water flow. The main performance is that the pressure difference between the inlet and outlet water of the unit becomes smaller (compared with the pressure difference at the beginning of system operation), and the temperature difference becomes larger. The reason for insufficient water flow is the lack of water or air in the system. The solution is to install an exhaust valve at the height of the pipeline for exhaust. If the pipeline filter is blocked and the water permeability is limited, appropriate filter shall be selected and the filter screen shall be cleaned regularly; The water pump is small and does not match the system.
(2) The cooling water temperature is too high and the condensation effect is not good. The rated working condition of cooling water required by the chiller is 30 ~ 35 ℃, high water temperature and poor heat dissipation effect will inevitably lead to high condensation pressure, which often occurs in high temperature season. The reason for high water temperature may be: cooling tower failure, such as the fan is not turned on or even reversed, and the water distributor does not turn, which shows that the cooling water temperature is very high and rises rapidly. The external temperature is high, the waterway is short and the amount of recyclable water is small. In this case, the cooling water temperature is generally maintained at a high level, which can be solved by increasing the water storage tank.
If you have seen the above two solutions and have other problems, you can contact us sales@cnzlj.com 。 We lneya have professional technical engineers who can help you solve your questions.
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