Honeywell Rth 8500 Wiring Diagram

Remove metal jumper connecting r and rc only if you must connect both r and rc wires.

Honeywell rth 8500 wiring diagram. Use our helpful tool to take an assessment of the existing wiring in your home. It doesn t control cooling and because it s a mechanical thermostat it doesn t need power for internal functions so it has no c wire. If your old thermostat had only 1 c or c1 wire connect it to the c terminal. Easy installation installation is easy label wires and remove your old thermostat install and wire your new thermostat set your new thermostat to match your heating cooling system this thermostat works with virtually all system types it is preset for the most common system are.

From smart wifi thermostats with room sensors and humidification control to programmable and non programmable thermostats resideo products meet a variety of needs. As the temperature falls to the set point for heat r w1 connect to run the heat pump. The rth8500d thermostat provides electronic control of 24 vac heating and cooling systems or 750 mv heating systems. Honeywell rth8500 installation manual.

The secondary wires on the transformer are usually yellow and blue so you will need to look where these connect to the thermostat wires to see. Use our helpful tool to take an assessment of the existing wiring in your home. Learn more about resideo s response to covid 19. Maybe 2 degrees cooler r o probably connect for electric heat.

Rthd thermostat pdf manual download. Page 1 quick installation guide rth8500 series touchscreen programmable thermostat 69 2219ef 03. Honeywell thermostat rth8500 operating manual. Honeywell thermostat rth7600 user manual honeywell thermostat rth8500 wi fi series user manual.

Page 31 rth8500 1 year limited warranty honeywell s sole responsibility. When connecting the wires to the new thermostat refer to. Page 13 rth8500 alternate wiring conventional systems if labels do not match terminals connect wires as shown here see notes below. Remove any remaining part of the old thermostat from the wall.

Find out if your home is compatible with a honeywell home thermostat. Alternate wiring conventional systems rc r w y g c y2 w2 rc r w y g c y2 w2 2 3 2. If your old thermostat had 2 c or c1 wires wrap each separately with electrical tape and do not connect them. The r wire to the rc terminal and the rh wire to the r terminal.

24 11 2018 24 11 2018 2 comments on honeywell rth8500d wiring diagram. As you disconnect each wire use the enclosed wire labels to wrap a wire label around each wire that matches the letter designation. Take control of your home comfort and save on energy costs with a range of honeywell home thermostats from resideo. You may need 24v common to power the honeywell control circuit that is the blue wire.

View and download honeywell rthd owner s manual online. Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w. Do not allow the wires to fall into the wall opening after the wires are disconnected.