Honeywell RTHD thermostat. I'm replacing an old thermostat with mercury and only two wires connected to it.

Unfortunately, these two wires are not labeled . HVAC Shop Talk Podcast - schematron.org Tradesman podcast - schematron.org Join the email list for.

Wiring from old thermostat to a new Honeywell RTHD have multi stage HVAC, after connecting Y,G,RC and W, I have O - Answered by a verified HVAC. Honeywell RTHD Programmable Thermostat.

If you have a question about wiring, installing or trouble shooting the Honeywell RTHD programmable thermostat post your question.I am installing a honeywell rthd, not allof my wires are matching up and I do not know what to do with them. I my - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. Advanced Installation Guide ES—01 24 About your new thermostat SETUP WIRING ASSISTANCE TROUBLESHOOTING Wiring—Heat Pump Connect wires: Heat Pump 1.

Match each labeled wire with same letter on new thermostat. 2. Use a screwdriver to loosen screws, insert wires into hole under screw, then tighten screws until wire is secure.

3. WIRING ASSISTANCE TROUBLESHOOTING Function 1: System type Press the s or t button to select the type of system you have in your home: 0 Heating & cooling: Gas, oil or electric heating with central air conditioning.

1 Heat pump: Outside compressor provides both . RTHD Thermostat Installation Manual RTHD Thermostat Operating Guide If you are interested in ordering a large quantity of items you may qualify for volume pricing discounts.

Label Wires with Tags Label the wires using the supplied wire labels as you disconnect them. M Wire Labels M NOTE: Jumper wire used on old thermostat? If yes, note what letters the jumper connected and review in wiring section.

ES—05 Page 6. Separate Wallplate from New Thermostat Remove battery holder.Honeywell RTHD Day programmable thermostatHONEYWELL PROGRAMMABLE THERMOSTAT RTH QUICK INSTALLATION MANUAL Pdf Download.