On mine, it aims for being on something like 30% of the time. The above numbers seem more like the ballpark for an air handler with a PSC motor. Mine is rated @ 350W for full airflow @ 0.5" WC. Continuous Fan Airflow. Circulate" is enabled on the user’s home screen or system settings page. If you have any questions or need further assistance, please contact Nexia Customer Support via email at help@nexiahome.com or call 1-877-288-7707, Monday-Friday 9 AM – 8 PM ET, and Saturday-Sunday 10 AM – 5 PM ET. Usually you use Auto, so the fan runs when the furnace or A/C runs. 1 - 59 minutes, [Off] Select the desired amount of time the fan will cycle per hour when the Fan Mode selected is Circ. I've never heard of … In the summer, this gives the evap coil time to drain before the fan comes on. Reduce the fan on time after temperature setpoints are met to minimize the amount of moisture blown back into the house from the evaporator coil. I have two 1F95-1291's on my systems and like to overall operation. Circulate fan ON time setting NOTE − If the circulate fan mode is on, a timer is set to measure all the time that the fan is blowing, regardless if it is running to deliver heating or cooling or just for circulation. Use a circulation fan to circulate outside cool air into a home instead of running the A/C compressor, particularly in dry, mild climates. I have kept my fan on since the day it was installed. Or vice versa, the fan will circulate warm air from upstairs (like in the winter) into the basement. First reason to have it on all the time, air filtration. In many systems, the blower fan runs a minute or so before heating or cooling begins and ends to get air flowing. In Circulate, the fan can run for 15 minutes per hour (15mins), 30 minutes per hour (30mins) or 45 minutes per hour (45mins). The only other time your blower fan should be running on its own is if you've flipped the thermostat switch to "on" to temporarily run your blower fan for increased air circulation. 35% - 100% [50%] Select the desired fan speed when the Fan Mode selected is Continuous (variable speed blower required) Fan Circulate On Time. Local Schedule Enable [Yes], No This helps if you have a cool basement, and you want to circulate that cool air upstairs too (a cheap way to air condition). Second is to get hot spots in the house. Some people leave the fan on all the time. Circulate makes it turn on and off randomly throughout the day. I have timed circulation set up to run about 1/3 of the time. I have a variable-speed air handler with a 1/2 HP ECM. But it's dry in Arizona. The fan on is used during the middle of the seasons where you don't need either heat not cool. Experts at the Energy Extension Service at Kansas State University estimate that the compressor consumes 10 times as much energy as the fan in a central air conditioner. These systems are usually “closed loop systems,” which circulate conditioned air (heat or AC) throughout the home via ductwork and vents in … On makes the fan run 100% of the time regardless of what is going on with the furnace or compressor. It runs at about 50% CFM in "fan only", which translates to ~80W for a 3 ton air handler. For the dehumidification function to work, your system will need a thermostat/control that reads humidity and can energize this dehum port when the relative humidity exceeds the setpoint in the building. Common fan … ON mode = Fan is on all the time Let’s also assume we’re talking about a central air system with a blower motor (fan) located inside the home. The nice thing abotu the circ fan mode on some fo the White Rodgers, it won't circulate the fan for the first 60 minutes after the equipment has run. The fan should start to run on the hour and may keep running beyond the set time in order to heat or cool the house to the desired temperature.
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