For example if the red wire is connected to w on the thermostat the furnace should turn on. Otherwise the structure wont function as it ought to be.
Electrical Diagram Training Gray Furnaceman Furnace
Basic furnace wiring diagram. Furnace thermostat wiring diagram terminal letters on a thermostat and what they control the hot wire 24 volts usually red from the transformer is the main power wire to turn on or off a furnace components. It reveals the parts of the circuit as streamlined forms and the power and signal links between the devices. I show where the wires go at the thermostat the color code then down at the furnace control board and how to wire up the wires coming. Therefore we will use it here to look at a typical heating system. Basic electrical 101 08. Wiring diagram consists of several in depth illustrations that display the link of various items.
A wiring diagram is a simplified standard pictorial representation of an electric circuit. Furnace wiring diagram electric furnace wiring diagram electric furnace wiring diagram sequencer furnace transformer wiring diagram every electric arrangement is made up of various distinct parts. This type of natural gas furnace is used to heat millions of homes in the united states. This additional terminal is labeled g in the thermostat. The gas furnace is the simplest to operate and understand. Unsubscribe from ac service tech llc.
How gas furnace operation works. Color code how it works diagram. Each component ought to be set and connected with different parts in particular manner. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. Variety of gas furnace wiring diagram pdf. Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and coolwhile 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.
Standard ac with standard furnace control wiring standard furnace standard thermostat standard ac condenser 1st stage heat white 24 volt fan only operation common air conditioning ac contactor control board 1 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system. Furnace fan relay circuit board wiring diagram wiring diagram furnace control board wiring diagram. Thermostat wiring to a furnace and ac unit. Ac service tech llc. In the most basic system this functionality is provided by use of a fan center relay and the low voltage wiring to the thermostat now will require a minimum of three wires for heat only units and four wires for heat cool fan for control. Figure below shows a simple circuit needed to control a furnace with a blower.
Basic thermostat wiring for furnace and air conditioner. It contains guidelines and diagrams for different kinds of wiring strategies and other products like lights windows and so forth.
Gallery of Basic Furnace Wiring Diagram
