Bimetallic Thermostat 2wire Wiring Diagram
Check the honeywell thermostat wiring diagram in your owner s manual for more details.
Bimetallic thermostat 2wire wiring diagram. A thermostat has 3 important main components. At left the thermostat wiring diagram illustrates use of a honeywell t87f thermostat in a 2 wire application controlling a gas fired heating appliance. Honeywell wifi 348 934 views. In the honeywell t87f thermostat series the single pole double throw switch makes closes one set of contacts when the temperature falls to turn on the heating appliance.
Furthermore the wires going to the condensing unit are shown in red and white. These run from the thermostat to the furnace and control the heat in a home. How to wire a thermostat. Check out my video on how to program this honeywell thermostat.
Wires that connect to a furnace. Connect a wire to the terminal by either inserting it straight between the screw and the contact plate or wrapping it clockwise around the screw. A large majority of homes today have an hvac system containing a furnace oil gas or electric and an a c unit. To wire a thermostat of this kind basic electrical skills tools and safety techniques are required.
How to wire a thermostat thermostat wiring diagram. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. Substitute g wire for c wire install the honeywell wi fi smart thermostat with this video. Bimetallic strip in thermostat.
Two wire thermostats typically have a red and a white wire. A thermostat is a practical application of the bimetal strip and the bimetal strip is probably the most important piece in a thermostat. These split systems include an air conditioner with a gas furnace oil furnace or electric furnace. Even the most seasoned people who enjoy diy may come across problems with wiring a thermostat.
This video demonstrates how remove a 2 wire analog thermostat and replace it with a honeywell programmable thermostat. The main trouble is dealing with those different colored wires knowing which one does what and if that wasn t enough. Always turn off the power before starting work. The thermostat wiring on these systems can have very similar wiring properties.
Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and cool while an air conditioner uses the process of refrigeration to only cool the central air conditioner will usually be paired with a gas furnace an electric furnace or some other method of heating. Heck now i m not calling anyone a dummy. Thermostat wiring for dummies. However these colors can be different.
Inside the thermostat the bimetal strip is coiled up.