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Function Diagrams Control of Two Levels Fill/Empty function
Legend Un Nominal supply voltage (1) Min. level (2) Max. level 11-12/11-14, 21-22/21-24 Output relay connections Relay status: black color = energized. Control of One Level Empty function T on
Empty function T off
Fill function T on
Fill function T off
Legend Tt Time delay after crossing of threshold Un Supply voltage (1) Level threshold 11-12/11-14, 21-22/21-24 Output relay connections Relay status: black color = energized.
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