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Posted by HeatPro on December 03, 2008 at 16:49:31:
In Reply to: Re: boiler pump runs excessively with Heat Manager posted by Dave on December 03, 2008 at 16:30:51:
: : Yes. You can make a relay bypass the HeatManager to make the wiring the old way until the weather drops below freezing activating the outdoor control.
: Is there a part number you would recommend?
R8845U1003
: I guess the input to the relay would be from the outdoor temp probe I placed, and the outputs would be to the high fire gas valve as well as the Heat Manager?
++ Yes. The outdoor thermostat terminals would go to the (R)T (W)T of the relay.
The low voltage would go through the low voltage terminals X1 X2
The high voltage through COM NO.
http://customer.honeywell.com/techlit/pdf/PackedLit/69-1292.pdf
: Also, I believe the power to the Heat Manager is line voltage while the gas valve is low voltage. Would this relay be able to permit both?
+ Yes.