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3 Phase Time Switch
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<blockquote data-quote="Sidewinder" data-source="post: 196017" data-attributes="member: 9512"><p>As per Benji above, and fit an on / off push button into the door?</p><p></p><p>That way you have to reset it in the event of a power fail.</p><p></p><p>IF it MUST come back on after a power fail, then use a latching switch in the door?</p><p></p><p>Just wire the controls for the 4 contactors in parallel feeding each one from the DB?</p><p></p><p>Put a local isolator at each immersion if the control panel is remote?</p><p></p><p>Really you need to be able to isolate the panel, though with 4 circuits scrap that!...</p><p></p><p>Use one timer fed from another db way to run 4 seperate boards similar to the suggestion above?</p><p></p><p>You could put the timer control in a small enclosure in an accesible area, or even use a domestic timer as you would be just controlling the contactors, then use a box like the suggestion by Benji for each heater just leaving out the timer?</p><p></p><p>Not really now sure what you are trying to achieve!</p><p></p><p>It feels tooo late now, don;t know why very tired all of a sudden!</p></blockquote><p></p>
[QUOTE="Sidewinder, post: 196017, member: 9512"] As per Benji above, and fit an on / off push button into the door? That way you have to reset it in the event of a power fail. IF it MUST come back on after a power fail, then use a latching switch in the door? Just wire the controls for the 4 contactors in parallel feeding each one from the DB? Put a local isolator at each immersion if the control panel is remote? Really you need to be able to isolate the panel, though with 4 circuits scrap that!... Use one timer fed from another db way to run 4 seperate boards similar to the suggestion above? You could put the timer control in a small enclosure in an accesible area, or even use a domestic timer as you would be just controlling the contactors, then use a box like the suggestion by Benji for each heater just leaving out the timer? Not really now sure what you are trying to achieve! It feels tooo late now, don;t know why very tired all of a sudden! [/QUOTE]
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3 Phase Time Switch
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