Thermostat Question

Junkbox

I replaced my old thermo stat with a new Honeywell RTH2510 Programmable thermostat. My problem is the old one only had 2 wires a White and Blue.



My new one does not have a digram for a 2 wire set up. It give me

B O G Y W/Aux R Rc   I am lost as what to do any help would be great

Alan (California Radiant) Forbes

See page 6

of these instructions:



https://customer.honeywell.com/resources/techlit/TechLitDocuments/69-0000s/69-2421ES.pdf



I believe that you want to connect your two wires to "R" and "W/Aux".

Ironman

Also...

You'll have to follow the installer setup section to configure the thermostat to match the type of system you have.



You may want to call their tech support line for assistance.