How do I increase the speed of my HVAC fan?
You can increase or decrease the blower speed by slightly adjusting the pulley on the blower drive motor. To increase blower speed, slightly loosen the setscrew that holds the pulley to the driveshaft. Move or turn the pulley clockwise on the shaft one turn, then tighten setscrew.
How often should a HVAC fan be running?
When the unit is set to the “on” setting, you are instructing it to stay running 24 hours a day, every day of the week. This is regardless of the heating or cooling setting.
What does it mean when HVAC fan is always on?
ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. Running your fan on AUTO or ON is a personal preference.
What does it mean when a fan is on 24 hours a day?
When you set your fan to “ON,” you’re telling it to keep running 24 hours a day, 7 days a week, regardless of the heating or cooling setting. There are a few positives to this feature. Pros to Keeping Fan Continuously Running:
When does the HVAC fan go into auto mode?
AUTO mode = Fan is on only when heat or AC is triggered by the thermostat setting Let’s also assume we’re talking about a central air system with a blower motor (fan) located inside the home.
When do you turn on your HVAC fan?
Your HVAC fan should turn on and off with the rest of your heating and cooling system. It’s normal for the fan to kick on a couple of minutes before heating starts or to stay on for a couple of minutes after cooling stops, but your fan shouldn’t run for hours on its own.
What happens when your AC Fan is running 24 / 7?
Better dehumidification. When your fan is on “AUTO,” moisture is able to drip from the cold cooling coils and drain outside. When the fan is running 24/7, that moisture doesn’t have a chance to drip outside. Instead, it blows back into your house, and, as a result, your AC then has to work ever harder to suck that extra moisture out of the air.
How does a furnace and air conditioner fan work?
How your fan normally works. Your blower fan works together with your heating and cooling units, but it’s really a separate electrical system. Your furnace and air conditioner simply heat up and cool the air inside of them.
When you set your fan to “ON,” you’re telling it to keep running 24 hours a day, 7 days a week, regardless of the heating or cooling setting. There are a few positives to this feature. Pros to Keeping Fan Continuously Running: