Old Honeywell Furnace Wiring Diagram

This one covers the limitations of thermostat wiring that can be done with the oil furnace primary control.
Old honeywell furnace wiring diagram. Learn more about resideo s response to covid 19. Electrical wiring for a honeywell thermostat. To wire a thermostat of this kind basic electrical skills tools and safety techniques are required. Two wire thermostats typically have a red and a white wire.
A wiring diagram is a streamlined traditional photographic representation of an electric circuit. Use our helpful tool to take an assessment of the existing wiring in your home. Contains all the essential wiring diagrams across our range of heating controls. This video is part of the heating and cooling series of training videos made to.
Thermostat wiring to a furnace and ac unit. If you have a system that both heats and cools your house you need a more complex thermostat with more wire terminals and if your system incorporates a heat pump you need even more wire terminals. Ct87a b j roundfi thermostat 69 0274 6 6 wire the thermostat 1. Find out if your home is compatible with a honeywell home thermostat.
Wiring instruction heating thermostat typical thermostat wiring for furnace heating and air conditioning. Color code how it works diagram. Be sure to identify and label the existing thermostat wires before disconnecting them from the terminals on the old thermostat you are replacing. These run from the thermostat to the furnace and control the heat in a home.
At left the thermostat wiring diagram illustrates the typical wiring connections when installing a honeywell rth2300 or similar programmable room thermostat. The honeywell home trademark is used under license from honeywell international inc. Always turn off the power before starting work. It reveals the elements of the circuit as streamlined shapes as well as the power as well as signal links in between the gadgets.
Use our helpful tool to take an assessment of the existing wiring in your home. Electrical wiring question replacing honeywell t6160 room stat mains 3 wire with horstmann drt2 battery operated 2 wire. Unsubscribe from ac service tech llc. Use the wiring cross reference table below to match each old thermostat wire with its corresponding terminal on the ct87 wallplate or subbase.
If you check the honeywell thermostat ct31a1003 wiring diagram you ll see that it requires only two wires. 8 through 13 wiring diagrams. This is because it s a very basic thermostat designed only to control a heating system. Never attach wires to both the b and o terminals.