heating control pumps

http://www.electriciansforums.net/r...cket.com/albums/ii171/wetwilly_2008/Pumps.jpg

Is this anything like what you're after?

The relay prevents back feeding, two separate contacts.

You may have to correct the labels and will have to adjust the diagram to incorp. MVs and stats.

Pumps.jpg
 

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vbyrne

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heating control pumps
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Electrical Wiring, Theories and Regulations
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vbyrne,
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silva.foxx,
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