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4 points to pay attention to when using DC Brushless Peripherial Solar Pump
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4 points to pay attention to when using DC Brushless Peripherial Solar Pump

  • Categories:Solar Pump News
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  • Time of issue:2022-07-29 11:46
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(Summary description)During commissioning, the dry running time of the pump shall not exceed 90S. If it exceeds 90S, the pump motor may have insulation damage due to excessive dry running temperature.

4 points to pay attention to when using DC Brushless Peripherial Solar Pump

(Summary description)During commissioning, the dry running time of the pump shall not exceed 90S. If it exceeds 90S, the pump motor may have insulation damage due to excessive dry running temperature.

  • Categories:Solar Pump News
  • Author:
  • Origin:
  • Time of issue:2022-07-29 11:46
  • Views:

1. Avoid dry spinning
During commissioning, the dry running time of the pump shall not exceed 90S. If it exceeds 90S, the pump motor may have insulation damage due to excessive dry running temperature.

DC Brushless Peripherial Solar Pump company

2. Water pipe antifreeze
In areas where the external temperature is too low, the water pipe needs to be buried to a depth of about 10cm below the freezing line. It is strictly forbidden to expose the pipeline to the air to prevent the water pipe from freezing and cracking; when the pump is finished running, try to drain the stored water in the pipeline as soon as possible. There are two ways to accomplish the drain function:
1) Install the manual valve. Arrange operation and maintenance personnel to regularly turn the valve to drain water.
2) Install the pressure relief valve. Set the pressure of the water pipe. When the pressure is greater than the set value, the pressure relief valve will be opened automatically to drain the water.
3) Drill holes in the non-cold east area of ​​the pipeline. When the system is shut down, the excess water in the pipeline can be backflowed and discharged from the small hole; pay attention to the opening direction of the small hole on the downstream side of the one-way valve.
3. Cable waterproof
The cable that comes with the pump motor is generally short (convenient to transport), so a cable connection is required in the pump unit. For submersible pumps, the cable glands may be in water, so a waterproof plastic seal is important.
4. Sand Prevention
Solid sand or stone can cause serious damage to the pump, which can greatly reduce the service life of the pump. Therefore, it is necessary to avoid inhaling grit. 

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