how to change fan speed on a trane furnace

By regularly changing your filter, you can improve your indoor air quality and extend the life of your heating and cooling system. If power is getting to the blower motor, but the motor does not run, the motor may be burned out. -The BTU/HR size is selectable between 48,000 42,000 36,000 or 30,000 BTU/HR. The ohm meter should read very close to zero. Change the speed. (FYI Filter was clean and furnace was recently serviced all prior to my initial investigation of the short cycling). Additionally, they can be identified by the presence of a removable module/bell on the end of the motor. If there isnt one in your home, turn it off at the breaker box. All information is provided "AS IS." You may freely link to this site, and use it for non-commercial use subject to our terms of use. If you are having problems, find your fans users manual and use it as a guide. If the terminals are present at the motor module (ECM X-13) you can switch speeds at the blower motor location. The remaining colored wires will be default speeds. Divide the rated Btu input by 10,000. The arrow should point toward the unit. This will increase the number of air changes per hour (ACH) in the house and also help compensate for a more restrictive whole home air filter like a MERV 16 being installed. 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. Here's what to record, in order of importance: The last two (5 and 6) aren't as important, but more data is always better. I found one glued to the back of my furnace door, one in the manual, and maybe one on-line too. Well, it does make sense that lowering the blower speed would reduce its electrical consumption. He is experienced in wood and metal construction, having designed and built several houses and metal buildings. A second filter location for most HVAC systems and furnaces is the air handler portion of the system. lower efficiency furnace) it is drafting exhaust up the flue which can't be good. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Can I retrofit a 2-speed or variable speed blower on a Payne PG8UAA forced air furnace? Know your limits. Where To Find R-22 & R410A Leaks on AC Units! Which thermostat wires control the furnace fan? Dave. Being an bms/controls guy I rarely have enough cfm in large buildings. To begin, turn off the power to your furnace. Switch the power back on and test it. All Logos & Trademark Belongs To Their Respective Owners, Maintaining temperature over a longer period of time is more efficient than getting a room to temperature quickly, A lower fan speed ensures your heat pump will run for longer periods of time which is required for the system to go into whats called a defrost mode (. The heat exchanger warms up the incoming air and a blower or air handler sends the warm air throughout the home. A dirty air filter can cause your HVAC system to go into overdrive and result in costly energy bills. 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. Step 4: Take out the inducer motor. 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. Its time to clear the air. American Standard air handler troubleshooting Another key difference is that the circulate . If the blower motor is burned out, replace it. ASE Certified Master Auto Technician Any takers? This can be done through an independent dehumidistat or through a thermostat's DEHUM terminal (if available). Warmup.com mentions that it was the original design of radiant floor heat systems by the Romans. H.R. 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. The constant air turn over at a lower set point keeps the house comfortable. Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls, 3-Speed, 4-Wire Ceiling Fan Switch Wiring. If you have any questions or need assistance, please contact Trane Home Customer Support via email at [email protected] or call 1-877-288-7707, Monday-Friday 9 . 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. When the summer air conditioning season transitions to the fall heating season, increase the blower speed by switching the wires on the cool and heat terminals. Published: 05/19/2021 Author: Craig Migliaccio, About the Author: Craig is the owner of AC Service Tech LLC and the Author of the book Refrigerant Charging and Service Procedures for Air Conditioning. The MERV rating is typically printed on the filter packaging, but not necessarily on the filter itself. Most of these are on the bottom left of the control board. I've gone through the process of adjusting the manual zone louvres on the main ducts (and on registers) and checked them with my camera for blockages. 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? Trane is a top rated US company of HVAC systems that offer quality and reliability. Sign up for our email newsletter to learn helpful HVAC tips and tricks before your purchase your system. Has anyone done this and can anyone give me a reason why I shouldn't do this? This control board is out of a variable speed furnace with a modulating gas valve that has a variable speed inducer motor. Variable Speed Blower Motor (Genteq ECM 3.0, 4 pin connector). The noise of forced air is annoying. enjoys making jams and jellies during fruit season along with cooking meals. I'm also going to go through and make sure there are no visible leaks or damage to them. Connect the common wire to the neutral terminal of the furnace's control board. The house cools off quick - too quick - and feels humid (not sure of the rh%). The wires that are used will determine the speed settings that the motor will run at. I'll edit my answer and include the exact parameters I'd record every day for a thorough study. Proper returns are rarely a thought. Slowly flashing shows your furnace is on and does not need heat. Yes, there is a way to bring up the speed on the air handler.. On the furnace / air handler board you should have two wires on the "Y2" connection, assuming a two-stage cooling system. Most homes are best served by a filter with a MERV rating of 8 to 13, but refer to your system's user manual or with a Trane employee for guidance. ECM Multi-Speed Blower Motor (Genteq X-13). 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. Anyone? Now that would turn the blower speed down on you. The S8X1 blower has 9 speeds. It is important to know that you cant go by a normal color code to determine the speeds. I know that it has been done. This trick only works on gas furnace systems with a multi-speed blower. (Trust me, the worst thing that happens to me on the job is having inconclusive results due to insufficient data collection during an expensive and time-intensive study.) 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. First, make sure that power is getting to the motor. Here are common Trane AC repairs not listed in the guide and their repair cost for parts and labor: Leaking coil and refrigerant: $1,150-$1,750 Thermostatic expansion valve (TXV): $275-$450 Compressor and refrigerant (after ten years, typically): $1,150-$1,600 Failed solder connection on refrigerant lines and refrigerant: $875-$1,220 We are no longer supporting IE (Internet Explorer). Ilook forward to responding to many more! Slowing the blower speed reduced the noise but I take it you would still like it to be more silent. When one of the taps is powered with 24v, the motor will turn on and run at the selected speed. The remaining colored wires are the speed selectors for this blower motor.). It would have no affect on the Heat settings. Variable Speed units continuously communicate with each other and your Trane thermostat to provide optimal efficiency. There are also red and brown furnace speed wires. The MERV scale rates filters from 1 to 16. All rights reserved. No: you will not save on gas/oil costs by running your blower on low. That said the contractor has no real incentive to get it right. However, I like the continually run the fan to even out air temperature in the house. The heat exchanger can be overheated and burned out if the blower does not remove enough heat. I can unsubscribe and opt-out from future communications at any time. One fan is inside the house, and one is outside the home. I'll just run the heat pump through the leaky ductwork and heat the crawl space. Your R value shouldn't change, and daily average wind speed and precipitation should have a minimal effect on the convection coefficient. But the 'real' one will be the one connected with a twist on cap to the fan motor. These blower motor versions can be found in furnaces, air handlers, and packaged units. He currently has a home shop where he sharpens and rebuilds saws, repairs lawn mowers, mobility scooters, hydraulic jacks, and anything else that comes along. Can a furnace with a variable speed blower be used in a multistory house? I think the best bet would be to actually test it for a few months and see. Another common place with a schematic is on the back of the blower fan door. Use dish soap and a soft-bristle brush or sponge to remove stuck-on debris. Does that have any impact on the efficiency of the unit? When your AC unit is working properly, the blower inside your furnace or AC will blow cold air.The cold air is sent through ducts to the living areas and then returns air to be cooled by the evaporator coil. If the relay that controls the blower motor fails while it is closed, it will send continuous voltage to the blower motor, causing the motor to run continuously. ECM Multi-Speed Blower Motor (Broad Ocean Type), For an ECM blower motor with wires exiting the module (shown above), the speed is changed at the control board by moving the colored wire terminals. I was reading the Trane XL824 thermostat installation and setup manual. In his particular case it was "too much volume" of air so I presume just moving air filters isn't enough (typically you'd need to adjust blower level AFAICT). A continuous green light means the IFC circuit board needs replacing. If you have an HVACR relatedquestion, drop it in the comment section of one of theYouTube videos at theAC Service Tech YouTube Channel and I will do my best to respond. 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. 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. -The "Blower-on and Blower-off delay" time period can be selected. Roughly 400 CFM is needed for every 1 ton (12,000 BTU/HR) of Heat Removal Capacity in Air Conditioning Systems. Is it Covered Under Homeowners Insurance or a Home Warranty? Recently I did a blower speed adjustment on the 2nd floor air. 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. -The "System Type" is the CFM per ton to be adjusted between low, normal and high. I.e., maybe more heat is now escaping through the exhaust. 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. He farmed commercial garden produce for several years. Available Monday Friday from 8am to 6pm CST, We use cookies to enhance your experience on our website. The problem is, the furnace control module doesn't use a separate speed when the unit is running in continuous FAN mode. Second-stage auxiliary heating for heat pumps and multi-stage furnaces. ago. maryland_irisman 14 years ago As suggested by the others, you should balance the air flow and the fan cfm should be matched to the system and duct system. We also have quick reference cards for use out in the field! Locate your thermostat on the page and click System Mode. For 240v units, both the L and N are hots. Motor is an ECM and it makes a low pitched whine sound when in CIRC or when the blower is ramping up or slowing down to stop. Western VA. Nov 28, 2009. To help ensure you're breathing healthier air and supporting your heating and cooling system to operate at an optimal level, follow the simple steps in this video to change your furnace filter assuggested. 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. So clearly, running your furnace blower on low is only more efficient IF-and-ONLY-IF the cost of the heating fuel is much much less then the cost of the electricity to run the blower that little bit faster.

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