Is it suspicious or odd to stand by the gate of a GA airport watching the planes? hvac - Why is my furnace blower running at low speed? - Home Your AC or furnace is designed for a specific type of filter. Access the control board. Of course all that heat was lost because of the ridiculous number of vents in our foundation. I am currently heavily invested in studying and learning the subject as I commit myself to reducing my winter energy costs this year. The video will also explain other safety measures, as well as some for a demonstration which I will show. There are often five wire colors coming from your blower to your IFC. This will allow you to access the control board. The most important factor is temperature differential - the difference between the inside temperature and outside temperature. If you have not read that yet, I would encourage you to do so! How to change "Fan On" speed on a variable speed blower A slim, removable cover will reveal the filter location. Example: Rated Btu Input = 60,000 / 10,000 = 6 x 150 = 900 cfm of required furnace airflow. It wasn't the noise that was bothering me, it was the desert-like sensation of swirling dry air. This video is to show how you can figure out the blower speed setup in your HVAC system, and what you can do do adjust said speeds. Carefully disconnect the wires from the coolant terminal, which is located on the back of the unit. Are there downsides to this. Here are how my dip switches are set: Did the installer tie in a humidistat there on that V/S blower . She has experience researching and creating a wide range of home improvement and garden projects, and especially enjoys learning about fireplaces and exterior design. Learn more about Stack Overflow the company, and our products. Most of these are on the bottom left of the control board. BarnArtist, locate the wiring schematic on your furnace. We welcome your comments and If your home has multiple HVAC systems, there will likely be at least one air filter for each unit. allows the furnace's circulator blower to operate at a slightly lower speed (85% of desired speed) during a combined thermostat call for cooling and dehumidistat call for dehumidification.
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