Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: I replaced my Rheem Ruud
When the purge motor turns on, the controller is waiting for proof that it is running before ignition. On your model I think it a differential pressure switch and it should be in front of the furnace. Should be able to see a pressure or vacuum line running to. If it isnt there there may be a switch inside purge motor. If there is more than 2 wires running to the motor it probable is there. Anyway the controller is waiting for proof.
Posted on Nov 05, 2008
SOURCE: blower fan wont shut off
Try cycling the switch at the furnace to reset the blower board. If this doesn't work remove the green wire from the blower board(computer board) to eliminate a shorted t-stat or shorted wire between the furance and t-stat. If blower remains on, then blower board is shorted. I've seen all these problems.
Posted on May 04, 2009
if you have 2 wire at thermostat Terminals at furnace that the thermostat wire attach to should be R & W if your new thermostat has R & W terminals is should work, an easy thing to remember is the red wire on R the white wire on W. If 4 wire at thermostat at furnace green on G, Blue on Y, red on R,and white on W same at thermostat If these do not match find a thermostat with these terminals
Posted on Dec 07, 2009
replace the gas valve....test for 24volt at the gas valve input. if you have this then it's a def gas valve relay not working.
Posted on Dec 29, 2009
TURN THE POWER OFF TO THE UNIT. TAKE THE BACK PANEL OF OF THE HEAT PUMP AND LOOK FOR A SQUARE PLASTIC BAG FASTENED TO THE INSIDE OF THE UNIT, IT MAY BE LOCATED BY THE CONTACTS AND SYSTEM WIRING OR ON THE PANEL ITSELF. REMOVE THE PAPER FROM THE PLASTIC AND THIS SHOULD CONTAIN YOUR WIRING DIAGRAM. ALSO LOOK ON THE BACK OF THE PANEL ITSELF FOR THE DIAGRAM. SOMETIMES THE DIGRAM IS PRINTED THERE.
Posted on Apr 13, 2010
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