lwco problem

ed wallace

just installed a no.67 lwco millivolt system and a 24 volt auto water feed lwco works properly as to shutting system down when low on water but when boiler is on the autowater feed keeps cycling im kind of stumped any one have any ideas ???

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Kevinj

isolation

Do you have the 24v and the millivolt properly isolated ???? How are the controls wired ??? I assume the water feed is a small timer type and not a float.

techheat_2

Bad #11 switch?

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Big Ed

Dirty Water

Maybe you introduced some oil to the boiler water during the install.If so the water will surge triggering the switch in the #67 for more water. You can check to see if the water needs cleaning by ;Shutting off the "lower" pet cock on the gauge glass assembly . Run the boiler until it produces steam, then open the gg assemblies drain . If the condensate comes over the top then the boiler needs to be skimmed. Skimming will remove the floating oil slick .....

ed wallace

lwco problem

the milivolt wires are on the 2 and 3 terminals top 2 terminals the 24 volt water feed is wired to 3 and 4 bottom 2 terminals i think maybe a bad switch or float any other ideas ??? i dont think its an oil issue water is clean and not bouncing around

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