how to change fan speed on a trane furnace

Proper returns are rarely a thought. Connect Y2 on thermostat to BK on furnace, and Y2 on the Condensing unit Cut R-BK jumper at Furnace Install R - O jumper at Furnace Connect W2 on thermostat to W2 on furnace (or alternatively, jumper W1 to W2 at furnace and confirm that dip switches are set correctly for Stage Delay if furnace is desired to automatically control heating stages) Here are how my dip switches are set: Did the installer tie in a humidistat there on that V/S blower . Should I upgrade to a pcm br compatible thermostat? I think the best bet would be to actually test it for a few months and see. He built every permanent building on his current homestead and did all the plumbing and electrical work. Only 3 of the 5 colored wires may be used at a time. These two losses comprise the magnitude of heat losses. They have a built in or attached capacitor that will allow the motor to turn on, turn off and run at a constant speed when running. air flow is inadequate to match demand and duct size. Yes you can change it, how to do it is in the manual, yes there can be downsides, no it probably won't fix your air balancing issues. Yes, there is a way to bring up the speed on the air handler.. To recap: The service technician might be able to increase (or decrease) the blower speed, but that would probably lower the AC's cooling efficiency. It allows three constant fan speeds as well as an automatic fan speed and a variable burn rate and compressor and fan speed. Thanks for the reply. Thanks for contributing an answer to Home Improvement Stack Exchange! 01 - Trane Furnace Control Board. When he's not enjoying family time with his wife and three boys, he loves tinkering with projects and geeking out on electronics. I Tried a Hands-Free Dog Leash, and I No Longer Dread Walking My Dog, This Simple Trick Can Refresh Your Entire Home, 30 Spring Cleaning Tasks to Add to Your Checklist, Do not Sell or Share My Personal Information. Well, it does make sense that lowering the blower speed would reduce its electrical consumption. Especially with a high efficiency furnace, however, it may be that the decreased electric bill saves enough to offset the "loss up the flue" not sure. Allow the filter to completely dry before returning it to the device. We have a Trane XL80 furnace manual in pdf version that you can download for free. This will show what speed each numbered tap is programmed as. One of these wires will be coming from the thermostat and the other will go to the outside unit. (Variable & Multi-Speed Types) In this HVAC training article, we will be discussing how to adjust the fan speeds on an indoor ECM variable speed blower motor and an ECM constant torque/multi-speed blower motor. The blower speed for a gas heater is selected so that it is comfortable for the building occupant but also so that the Delta T (Temp Rise) does not continue to rise. However, if your HVAC blower motor isn't too badly damaged, the technician may be able to clean and repair it so you won't have to incur the cost of a replacement. submitted to our "DoItYourself.com Community Forums". Additionally, they can be identified by the presence of a removable module/bell on the end of the motor. Once you cut the power, you can remove the cover of your furnace to get access to the control board. In support of this: I found the mfr owner's manual for my furnace and in it, it states, "if you have an air-conditioning coil installed, you should switch the furnace blower speed to high to accommodate the decreased air-flow caused by the cooling coil in the plenum.". . Now that its gotten cold, we've noticed that several of the heat register barely have any air coming out of them. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. We welcome your comments and suggestions. Ilook forward to responding to many more! #3. Secure the old speed wire by twisting a wire nut over the end. To adjust the dip switches, turn the power off and take a flat head screw driver to lightly push the dip switches to the on/off desired position for each numbered switch. charts are usually found on the air handler inside door to controls. Not every AC or furnace filter will have an arrow printed on the frame, but when it does the arrow indicates the direction the filter must face. I am just clueless, could it be the thermostat (really old) or something that is going to cost a billion dollars to fix? To start, ECM stands for Electronically Commutated Motor which means that the motor is capable of electronically controlling it's own speed, and therefore CFM, according to the desired output. At night with an even lower set point I switch the fan speed to automatic. Making statements based on opinion; back them up with references or personal experience. My heat is running cold! I was reading the Trane XL824 thermostat installation and setup manual. However, a higher MERV rating may not be best for your system. Fortunately, theres a simple fix if you look at your furnaces Integrated Furnace Control (IFC) board. Website operating It shouldn't take more than a few minutes a day to record the data anyway. If you have any questions or need assistance, please contact Trane Home Customer Support via email at help@tranehome.com or call 1-877-288-7707, Monday-Friday 9 . He owned and operated a manufacturing business building Compact Utility Vehicles for homeowner use. That will give you the most reliable results for your particular system. 1995-2023 MH Sub I, LLC dba Internet Brands. If you are a homeowner looking to repair your own appliance, understand that the voltages can be lethal, the fuels are highly flammable and high pressures are used. The Trane XR80's heavy steel insulated cabinet has two benefits: Holds in more of the heat that you pay for Decreases operating noise Because of its heavy steel insulated cabinet, the XR80 can experience as little as 1% of air leakage. Privacy Policy. Switched it to heat (in which case the furnace board is in control of the fan, not the stat) - got fire, no fan. After understanding what speed each tap is programmed for, we can make proper airflow adjustments. Most of these are on the bottom left of the control board. So the blower motor is dead. 1 to 1.5 hours | Install the new motor, adjust it (multispeed and variable speed blowers only), run and test the furnace Installing a blower wheel with the motor shouldn't affect installation time, since the old wheel typically has to be removed to replace the motor. There are also red and brown furnace speed wires. How to change the fan motor speed on a gas furnace grayfurnaceman 148K subscribers Subscribe 190K views 10 years ago Furnace blowers A description of how to change motor speeds with a. -The "AUX Heat" makes sure that there is enough airflow when elect strip heat is called. Here are some of them: Better circulation of heated and cooled air. video below! Usually, gas furnaces have a temp rise of 50F. bean. Know your limits. Inventor with two patents (weight training – anti-rollback for manual wheelchair) The NET difference of the above two figures is your savings or cost. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Then switch the jumper to your desired speed. Divide the rated Btu input by 10,000. Changing the fan wire connection between the fan-on relay and the fan motor, selecting a high, medium, or low speed right on the fan motor itself Changing jumper positions on the control board (printed circuit board shown below) in the air handler Changing a dip switch or small slider switch position provided on some air handler control boards We also have quick reference cards for use out in the field! If a clear distinction between the blower speeds isn't obvious in the data, then you're probably not going to save much money either way, so go with what's most comfortable for you. But the 'real' one will be the one connected with a twist on cap to the fan motor. So How Do We Adjust Fan Speed? All rights reserved. Check back regularly as we are always updating and improving thiswebsite! 4TEE3C10A1 That is excessivly loud. Here's the sequence: Furnace gets call for heat. Connect with our Customer Care team about your products, warranties, and dealer concerns. The installation instructions for this furnace are needed in order to be able to know how to set these dip switches. suggestions. In humid climates, 350 CFM per ton can be selected in order to remove more moisture from the air. Using a filter that's too small or too large will allow debris particles to pass into the HVAC unit, potentially damaging or blocking the system. Turn off power at the main electric panel. When changing the AC or furnace filter, the arrow should face the furnace and point away from the return duct. Its a common occurrence in the heat of the summer or the cold of the winter one room doesnt get as warm or as cool as the others. She has experience researching and creating a wide range of home improvement and garden projects, and especially enjoys learning about fireplaces and exterior design. A lower fan speed ensures your heat pump will run for longer periods of time which is required for the system to go into what's called a defrost mode ( watch this video on defrost) Running the fan too high can mean your heat pump will not run long enough in order to kick into a defrost cycle. DoItYourself.com, founded in 1995, is the leading independent R and BK are tied together. You need to follow the wiring diagram inside the HVAC unit. I have a Trane XV90 propane furnace with a variable speed blower. For business related inquires email us at info@acservicetech.com. Your R value shouldn't change, and daily average wind speed and precipitation should have a minimal effect on the convection coefficient. *Based on third party testing of particle removal efficiency down to 0.3 microns (2005). Bundle Packs are a great way to save and get faster shipping! My gas furnace has two options for the blower speed: MED, and MED-HI. The induction motor begins running. In my searching I have found out that there is a stupid little thermistor that burns out on the motor circuit board (it's a variable speed blower), and replacing it is a permanent fix.. Step 2: Create a Safe Workspace When working with any unit connected to electricity, it's important to turn off the power to prevent electrocution and damage to your furnace.

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