Honeywell 8400 Thermostat Wiring Diagram

If used on a two transformer system remove metal jumper wire between rc and r.

Honeywell 8400 thermostat wiring diagram. Do not install the thermostat where it can be affected by. Common wire is optional w hen thermostat is used with batteries. The blue brown or b lack wires also referred to as the c wire this wire connects the low side of the output of the low voltage power to the t stat. š drafts or dead spots behind doors and in corners.

When used in a single transformer system leave metal jumper wire in place between rc and r. Plug wall opening with non flammable insulation. A turn on 24vac now. š hot or cold air from ducts.

Find out if your home is compatible with a honeywell home thermostat. Visionprotm 8000 touchscreen programmable thermostat 68 0280 01 6 notes. Use our helpful tool to take an assessment of the existing wiring in your home. Align thermostat at bottom and snap into place as shown.

Power options push excess wire back into the wall opening. It s there so you can supply power to the heating and cooling switches with a single wire which is usually red. Use our helpful tool to take an assessment of the existing wiring in your home. 24vac c wire is required.

How to wire the honeywell visionpro 8000 wi fi thermostat model th8321wf1001. The wiring for your honeywell thermostat depends on the functions of your heating and cooling system. Learn more about resideo s response to covid 19. A turn on 24vac now.

You ll probably see a thermostat jumper wire connecting the rc and rh terminals. 4 wire the thermostat. From smart wifi thermostats with room sensors and humidification control to programmable and non programmable thermostats resideo products meet a variety of needs. Align thermostat at bottom and snap into place as shown.

Visionprotm th8000 series 3 69 1896 01 english mcr29483 mcr29482 for 24vac primary power connect common side of transformer to c terminal. Insert supplied batteries for primary or backup power. S1 s1 w y g w2 y2 a s1 s1 o b y g aux e y2 l a k rc r u1 u1 u2 u2 c heat pump 5 mount thermostat on wallplate. T8400c t8401c and t8424c d electronic thermostats 68 0180 3 4 location install the thermostat about 5 ft 1 5m above the floor in an area with good air circulation at average temperature.

Refer to the table and wiring diagrams on the next page. The red wire the red wire r rc rh connects the high side of the output of the control transformer to the t stat. Take control of your home comfort and save on energy costs with a range of honeywell home thermostats from resideo. Note that in our case we had to use the green wire for c as discussed below because there were only four wires coming from.

4 wire the thermostat.