Move the high-speed wire to low. Choose the Trane owner guide thats specific to your unit for detailed instructions on locating and changing yourairfilter. Website operating I think that when it is in enhanced mode the fan only runs at 50%, you can try changing your dip switches to see. A continuous green light means the IFC circuit board needs replacing. As a side note, lowering furnace (heating) blower speed should apparently only be done if it doesn't reduce the "heat rise" (difference in temperature between the intake and supply air, if I understand it, also known as the "delta T") past the manufacturer recommended value for that furnace. The fan speed is very low when not heating/cooling. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. 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. In the example of an ECM 3.0 with a 4 pin connector, the wires are not switched or moved to adjust the airflow settings. To switch the jumper, you will need to hold onto it gently as you pull it out of its current setting. When the R-G circuit is made, the blower motor operates on heating speed. During the awake hours I Hold the fan speed at either low or medium. Electric Furnace Sequencer Replacement Instructions for Home Repair Blower fan will not run: A failing sequencer may have a burnt contact and is unable to switch the fan and heating coils ON. Heres What It Means, Why You Should Monitor the Humidity Levels In Your Home. Only 3 of the 5 colored wires may be used at a time. If the terminals are present at the motor module (ECM X-13) you can switch speeds at the blower motor location. You will also see the red E icon under Emergency . Therefore for anybody thinking to adjust their blower speed to a low setting be mindful and use caution and listen carefully as to how the system is running. Run a jumper from "R" to "Y2" and the blower will run continuously at the second-stage cooling speed. You will need to find the main cover panel on your fan. My main questions are. There are often five wire colors coming from your blower to your IFC. If you really wanted to be scientific, you could perform an experiment and post the results here. The best answers are voted up and rise to the top, Not the answer you're looking for? The ignitor glows. BS in Industrial Technology, If you know what you are doing, it is very simple to adjust the speed of, Before you begin this process it is a good idea to make sure that no power is going to the fan. But the 'real' one will be the one connected with a twist on cap to the fan motor. This value is then multiplied by 150 cfm to obtain the required airflow for the furnace in heating operation. If 1600 CFM is too high of an airflow volume and only 1200 CFM is needed because the system is a 36,000 BTU/HR air conditioner, we can swap the yellow with the black wire on the motor module. 3 of the wires will likely terminate with just a twist on cap. I guess you are talking about a 3 speed direct drive motor with 1/2 shaft. The blower is set for 400 cfm for a 4 ton outdoor unit, and comfort-R is not enabled (all factory). Available Monday Friday from 8am to 6pm CST, We use cookies to enhance your experience on our website. During "Fan On", the fan runs at 50% of whatever the maximum speed of the fan is. Other than removing the module and seeing burnt components it must be diagnosed by a professional with a techmate tool ( allows you to test the motor and module and determine cause of error). how to change fan speed on furnace to get more heat from your unit HVAC STARTUP TECHNICIAN 4.6K views 1 year ago Trane XV80 or XC80 Variable Speed Motor Blower Fan Not Working - $9. Example: 1200 CFM is needed for a 3 ton 36,000 BTU/HR system. On the furnace / air handler board you should have two wires on the "Y2" connection, assuming a two-stage cooling system. To begin, turn off the power to your furnace. 81K views 2 years ago In this video, we are changing the blower speed on a Trane XR 95 furnace so that the forced air furnace circulates more air on heat mode. Then switch the jumper to your desired speed. Typical setups include these wire colors with associated blower speeds. Unlike a conventional systemwhere the furnace goes on, blows hot air into the house at full force for a few minutes, and then shuts offa variable-speed or variable-capacity system runs the blower for longer periods at lower speeds. The automatic feature rarely kicks in once at set point. Carefully disconnect the wires from the coolant terminal, which is located on the back of the unit. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. On this motor module, the speed wires are red, orange, blue, yellow, and black. Step 4: Take out the inducer motor. Check out our free Quizzes to test your knowledge here! I understand that the higher speed is probably for cooling (for which we have a separate duct system and handler), but is it the case that the speed can be switched to a higher fan speed? Should I upgrade to a pcm br compatible thermostat? Second-stage auxiliary heating for heat pumps and multi-stage furnaces. Top 10 Spots! Trane XR80 Troubleshooting After examining the flashing system you should check the green light speed. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I want to increase volume flow if possible. You have to switch the wires to the blower motor. The house has a 3 ton trane xl20i and an xv80 (4 ton max). You should now see a red E icon in the System Mode screen next to Auto and Heating modes. Available from Trane Dealers in select locations. These three are connected to the "Cool", "Heat", and "Fan" terminals on the control board. By regularly changing your filter, you can improve your indoor air quality and extend the life of your heating and cooling system. Slowing the blower speed reduced the noise but I take it you would still like it to be more silent. I know I need to replace a dying blower motor in a 1992 Trane . Variable Speed units continuously communicate with each other and your Trane thermostat to provide optimal efficiency. I recently had have a trane xl 90 want to adjust speed of blower fan blower motor has 4 wires white going to neutral black unhooked blue to high speed yellow to I have a Trane Indoor Air Handler Model No. Adjusting the Airflow Speed on ECM Blower Fan Motors! However, during the time period while the compressor is not engaged I need to circulate more air on the second floor or it becomes stale. If you are having problems, find your fans users manual and use it as a guide. Air Filters remove dust, lint, pet dander, and other pollutants so you can breathe easier knowing your indoor air quality is better with Trane. Switch the Jumper On most control boards there will be a jumper that is marked to show that it controls the speed. So How Do We Adjust Fan Speed? In a gas furnace, (the most common type of furnace used in homes) natural gas is ignited in the burner and the flames heat up the heat exchanger. lower efficiency furnace) it is drafting exhaust up the flue which can't be good. See our Privacy Policy for more information. For more information, please see our http://www.inspectorsjournal.com/Forum/topic.asp?TOPIC_ID=8998&, We've added a "Necessary cookies only" option to the cookie consent popup. The installation guide clearly describes how to set airflow for heating mode and cooling mode. Select Climate from the blue menu on the left side of the page. Recently I did a blower speed adjustment on the 2nd floor air. So I continued to play around with different combinations tonight. There is a modification that will allow the VS fan to run on high speed at all times while in the AC mode and with the fan "ON" mode. Dealers can answer questions, help you find the right products for your home, and repair your system. This can be done through an independent dehumidistat or through a thermostat's DEHUM terminal (if available). In this video, we are changing the blower speed on a Trane XR 95 furnace so that the forced air furnace circulates more air on heat mode. This will show what speed each numbered tap is programmed as. Various advertisements for variable speed high efficiency furnaces call them "more energy efficiency" (note also the difference between a variable speed blower and a high efficiency furnace, they're separate, for instance you can have a variable speed blower on a low efficiency furnace). By Pressing submit, I consent that my information be shared with Trane approved affiliates and third party partners, including connecting me with a local Trane dealer to be contacted about products and services. Why is my furnace blower running at low speed? In order to measure air flow you could use a flow capture hood, a rotating vane anemometer, or a hot wire anemometer. Related: a two stage furnace works by actually shooting less gas out, which might improve its efficiency. Does Nest utilize all the benefits of a communicating furnace, Low speed furnace fan blower motor will not shut off, How to calculate efficiency of old Westinghouse furnace VS new variable speed Furnace. By clicking '. The NET difference of the above two figures is your savings or cost. All information is provided "AS IS." Another key difference is that the circulate . Follow us on Facebook for Quick Tips and Updates here! He is also an HVACR Contracting Business owner of 16 years and holds an NJ HVACR Master License. Can airtags be tracked from an iMac desktop, with no iPhone? If you know what you are doing, it is very simple to adjust the speed of your furnace fan. But, in looking up the manual for this furnace (TUD1B100A9361), it looks like there are 4 blower speeds. Solution: Install a new sequencer AND a new fan relay, just to be safe. Since hot air is much lighter . The product data guide, and label on the inside panel indicate the air . 4TEE3C10A1 That is excessivly loud. When changing the AC or furnace filter, the arrow should face the furnace and point away from the return duct. I'm not in enhanced mode. The arrow should face the direction the air is flowing. . PSC - The Permanent Split Capacitor Motor is still the most commonly used. The line voltage and 24v common are connected at the top and are labeled as C, L, G, N. The 24v common is C and the ground wire is G. For a 120v unit, the L is the 120v hot and the N is the 120v neutral. No: you will not save on gas/oil costs by running your blower on low.

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