How do you wire a blower motor on a thermostat?

Locate the G terminal, which controls the blower operation from the thermostat, on the board. Connect the green low voltage wire to the G terminal and put the access panel back on the front of the furnace. If no green wire exists you may need to pull a new thermostat wire from the furnace to the thermostat.

How do you wire a fan to a thermostat?

To turn on the fan and AC, youd connect R and Y (or R, G, and Y on systems where the thermostat controls the fan). To turn on the fan and heat (as you asked), youd connect R and W together (or R, G, and W if you have say an electric furnace where the thermostat controls the fan).

Where do the wires from the thermostat go?

The white wire underneath your thermostat connects to your heating system. It terminates at your air handler or furnace. The white wire connects to terminal W in industry-standard thermostats.

Where does the black wire go on a thermostat?

5 Wire Thermostat Wiring (Any HVAC Device – Air Conditioners, Heat Pumps, Furnaces, etc.)Red wire for power (24V).White wire for heating (connected to W or W1 terminal).Green wire for fans.Blue or yellow wire for cooling (connected to Y).Black wire for “C” or “Common” wire.Mar 6, 2021

How do you identify thermostat wires?

Look for connectors that have labels that are the same as your thermostat. For instance, you might find labels like R, W, G, Y, C or O/B. You should find wires attached to these connectors that are the same color as the wires that connect to your thermostat.

How do you wire a second thermostat for a fan?

All you should have to do is remove the wire from the G terminal on your thermostat and run it to the W on the new thermostat. Then put a jumper wire from the RH on the original thermostat to the RH on the new thermostat. If you have a wire on the C terminal, you can also run a jumper to the C on the new thermostat.

How many wires go to a thermostat?

The most basic thermostat has 2 wires; usually a red and a white wire. Two wire thermostat wiring is used for furnaces only and usually doesnt need a “C” or “Common” wire.

Can 2 thermostats work together?

If you have more than one Google Nest thermostat in your home, theyll work together to try to keep you comfortable and help save energy. If you have multiple thermostats in your home, you can replace any or all of them with a Nest thermostat.

Can you add a second thermostat to your house?

You can help make a more evenly conditioned home by installing a separate thermostat in another part of the house. When two thermostats are wired to a heating or cooling system with a zone control and dampers installed in the ductwork, you have true separate temperature zones in your home.

Can one thermostat control two zones?

Most simple thermostats, however, treat the entire home as a single heating zone. With a smart thermostat for multiple zones, you can set up multiple different zones around your house. Following that, you can use your smartphone app or remote control to set different temperatures for all different rooms.

What would cause a thermostat to catch fire?

These thermostats are considered to be a fire hazard. The safety commission reports that contact between the thermostat wires and household line voltage can damage the thermostat and cause a fire.