Connect the black wire coming from the exhaust fan to the red wire on the thermostat. Connect the white wire coming from the exhaust fan to the black wire on the thermostat. Use wire nuts to make these connections. Connect the ground wire (green) to the terminal screw in the electrical box.
What wire turns on the fan on a thermostat?
Some of the other wires powering your thermostat include: R-wire – Power, usually red. G-wire – Fan, usually green. Y-wire – Cooling, usually yellow.
How do I turn on the fan only on my thermostat?
Quote from the video:
Quote from Youtube video: To begin click the button on the bottom of the dial. Then twist the dial until you get to the fan icon.
How do I wire my furnace fan to the thermostat?
Quote from the video:
Quote from Youtube video: Into the W terminal and the green wire into G or the fan tighten that one up as well. Okay. So we have the thermostat hooked up and then of course this wire goes into the wall and down to the furnace.
How does thermostat control fan?
Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air.
What happens if you wire a thermostat wrong?
Potential consequences of improper installation could include: Electric shock. Blowing a circuit breaker. Damaging the thermostat unit, the electrical system or even the AC/furnace unit itself.
What’s the blue wire on a thermostat?
the Common wire
Blue wires are also called “C” wires because they are the Common wire. C wires are necessary for any “smart” thermostat that needs to be connected to a power source 24/7, regardless of your heat pump type.
Can you run a fan without AC?
Running It Without the AC Isn’t Always Efficient
Professional air conditioning repair technicians actually advise against this, however; while it’s true that the fan alone uses less energy than the AC, it will almost certainly result in higher utility bills.
Should the thermostat be set on auto or fan?
AUTO is short for automatic. The fan only turns on when cooling or heating is required. If you are generally as comfortable in one room of your home as the next, you’ll want to use the AUTO setting. The AC fan kicks in when needed and stops running when the job is done.
How do I turn on the fan on my Honeywell thermostat?
Quote from the video:
Quote from Youtube video: When pressing the screen our display will come on. We want to press the fan indicator. Button that will turn our fan on that is going to keep our fan.
Why does the fan run when thermostat is off?
If the fan is the only thing running when the AC unit isn’t, there may be a faulty relay switch prohibiting the settings on the thermostat from being communicated to the fan. Another cause could be a wiring issue or a short circuit preventing the system from recognizing the on and off signals.
Does fan on thermostat use electricity?
The fan itself runs about as much energy as a refrigerator would. This can still add up to $50 a month, or $600 a year. This cost can be even higher if you consider the AC unit working harder to counteract the effects the fan may have. There are times though that using the fan has benefits.
