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Posted by Dave on January 19, 2006 at 10:54:09:
In Reply to: Re: Heatmanager vs Honeywell T475A posted by HeatPro on January 19, 2006 at 10:11:19:
: Set the Ergomax to the minimum temperature needed for the hot water demand and condensation prevention - 140F?, see by watching - and then let the zone thermostats through the RS504 demand the burner and circulator as they are now wired.
+++But wouldn't I still remove the low voltage wiring that goes from the SR504 to the boiler R/W terminals? Otherwise, when any of the heating zones calls for heat, the boiler circ would run, thus running continuously (as our radiant floor is always on).
But, if the wires are run from the Ergomax to the heatmanager and then to the high limit control, the Ergomax would break the circuit for the boiler at 150 or so (if it is set at 140).
I'm just confused as to hopw to make the Heatmanager work in my current situation.
As you said with the T475A, that would simply be wired in parallel with the Ergomax into the R/W terminals of the boiler.
Would I maybe do the same with the Heatmanager (wire in parallel with the Ergomax aquastat into the R/W terminals?
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