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One control and one constant pressure water supply frequency conversion speed control circuit b
Source: InternetPublisher:酷到被通缉 Keywords: Control circuit constant pressure water supply frequency conversion speed control Updated: 2021/01/02
In the figure, l and 2 are fault output terminals ; 4, 5 and 6 are analog feedback voltage input terminals; 6 and 8 are analog output
terminals; 19 and 20 are forward running terminals .
The float switch SL prevents the water pump from idling when there is no water (the contacts are closed when there is no water).
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