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Wiring for pellet stove installation. two wires from stove. rth111 series non-programmable thermostat. wiring block in thermostat has B , O , G , Y , W , NOT USED , R , RC. what terminals do I hook up the wires to.
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First things first. What type of system? Heat only, boiler or furnace? Central cooling. Do NOT take wires off the old thermostat yet, or mark the color wire, to the terminal letter. Most times W,Y,G,R, terminals and maybe even a C terminal.
Your new thermostat should have the same letters. Sometimes they mix up color wire with terminal letters...... example (yellow wire to w terminal) Also turn off power to equipment it is controlling. It is not high volts but you can short out the transformer. Hook uo wire color to same letter terminal on old stat, to new stat. Thats it.
These are not enough for you to install this thermostat properly. You could try hooking red to R and white to W2/E, but an electric furnace requires 4 wires for modern thermostats to run properly. If there are more wires in the line then it's a fairly easy task for a technician to add proper connections in, if not a new thermostat wire will need to be put in place.
You will use thermostat wire and use the red and white wires. Terminals should be marked (R) this being red and(W) this would be the white. Follow the same way on the thermostat and this should do it for you. Good luck!
Hey Brad432, this is what i did with the same RTH2310B thermostat and my harmon stove. You must have the heat sensor that plugs in the back of the stove to start with. Take your new wire from the stove to your thermostat, red to rh, white to one side of your sensor then other side of sensor to W on your thermostat. On your stove side set your room temp as high as it will go and let your programmable thermostat set the room temp. Works good for mine. Good Luck
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