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. The heat pump system has different controls than an air conditioner.
Wiring Basics For Residential Gas Boilers
Gas furnace thermostat wiring diagram. The thermostat should automatically complete these connections when a set temperature is reached. It has its heat pump sequence of operation. Programmable thermostat wiring diagrams 2 wires 3 wires 5 wires. Assortment of lennox furnace thermostat wiring diagram. Click on the image to enlarge and then save it to your computer by right clicking on the image. Goodman furnace thermostat wiring diagram goodman furnace thermostat wiring diagram.
For example if the red wire is connected to w on the thermostat the furnace should turn on. When the red wire is disconnected from w the furnace should turn off. Additionally it will require a different thermostat and different wiring than an air conditioner. Therefore a heat pump works differently than an air conditioner. Assortment of goodman furnace thermostat wiring diagram. Lennox furnace thermostat wiring diagram wiring diagram for lennox gas furnace refrence wiring diagram for a gas furnace valid general electric.
Many thermostat manufacturers provide detailed installation instructions with their thermostats to make sure you have all the information you need to install the thermostat properlysometimes the instructions that come with the new thermostat can be vague or even confusing and that is what we want to help you with here at.
Gallery of Gas Furnace Thermostat Wiring Diagram
