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Posted by Mark Bassin on December 05, 2007 at 07:46:50:
In Reply to: Re: RA889A posted by HeatPro on December 04, 2007 at 15:05:07:
Thank You, you confirmed my suspicions. As an alternate I tried using the N.O. & COM terminal with the powerpile and the boiler fired. Is this an acceptable alternative or will this create other problems.
Thanks again.
: The diagrams:
: http://customer.honeywell.com/honeywell/ProductInfo.aspx/RA889A1001#LiteratureDownload
: show that X1 and X2 would close to activate a millivolt system. An ohmmeter would show that they close if all is working properly when R(T) and W(T ) are jumped.
: If there is no action, something is broken.