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maintenance the water flow switch of chiller

The differential pressure type water flow switch,  produced by "A.YITE TECH in Hong Kong  http://www.ayite.net",  is designed according to the curve of resistance and flow of HVAC equipment. We know that the heat exchanger, water filter, water pump and valve of HVAC equipment all have their performance curve of resistance and flow. By detecting the difference of inlet and outlet water pressure at both ends and comparing with the preset value of the device, the flow can be accurately controlled 。 Compared with the target type flow switch, the differential pressure type is a * flow control mode, which has accurate flow control value. From the pressure difference switch connecting two copper pipes to the inlet and outlet of the heat exchanger, measure the pressure difference between the inlet and outlet, that is, reflect the flow. The installation is very simple, which avoids the hidden trouble of unit failure caused by inaccurate installation of target water flow switch.

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