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2 pump controller
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<blockquote data-quote="dave2" data-source="post: 247646" data-attributes="member: 330"><p>[ATTACH]3082[/ATTACH]</p><p></p><p>Thanks for the swift replies.</p><p></p><p>It is indeed for a sewage treatment works.</p><p></p><p>Mains input is straight forward (single phase).</p><p></p><p>It is a 24v unit.</p><p></p><p>The 2 pumps work alternatively.</p><p></p><p>What is puzzling for me is the connections to the 4 floats. These have been wired in 3 core (blue, black and brown). When the pump is called the black and brown are switched and when the pump is satisfied the black and blue are switched.</p><p></p><p>Attached is a copy of all I have.</p><p></p><p>I dont have a clue what ST01, ST02 and SLA1 are for!</p><p></p><p>Dave2</p><p></p><p><a href="https://electricianforum.co.uk/applications/core/interface/file/attachment.php?id=2280" target="_blank">Pump controller.pdf</a></p></blockquote><p></p>
[QUOTE="dave2, post: 247646, member: 330"] [ATTACH]3082[/ATTACH] Thanks for the swift replies. It is indeed for a sewage treatment works. Mains input is straight forward (single phase). It is a 24v unit. The 2 pumps work alternatively. What is puzzling for me is the connections to the 4 floats. These have been wired in 3 core (blue, black and brown). When the pump is called the black and brown are switched and when the pump is satisfied the black and blue are switched. Attached is a copy of all I have. I dont have a clue what ST01, ST02 and SLA1 are for! Dave2 [URL="https://electricianforum.co.uk/applications/core/interface/file/attachment.php?id=2280"]Pump controller.pdf[/URL] [/QUOTE]
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