This is a safety precaution because the limit switch will open if the furnace gets too hot. Basic gas furnace wiring diagram wiring diagram is a simplified conventional pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the capacity and signal associates amongst the devices.
Coleman Gas Furnace Wiring Diagram Daimlererhu Alpa
Basic gas furnace wiring diagram. For example if the red wire is connected to w on the thermostat the furnace should turn on. Basic furnace wiring diagram data wiring diagram schematic furnace wiring diagram uploaded by hadir on friday february 15th 2019 in category wiring diagram. The gas is ignited by the pilot light and provides heat to the plenum of the furnace. See also york gas furnace wiring diagram wiring diagram data oreo furnace wiring diagram from wiring diagram topic. Basic thermostat wiring for furnace and air conditioner. 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.
Here we have another image can i use the t terminal in. When the thermostat closes it provides 24 volts to the gas solenoid which energizes and turns on the gas. The line voltage feeding the furnace to operate the fan blower motor is transformed down to a safer level of 24 volts the gas control valve needs 24 volts to open and after making a series loop through at least one safety device the most basic and mandatory one is an over temperature shut down the power goes up to the thermostat and. 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.