Use dish soap and a soft-bristle brush or sponge to remove stuck-on debris. Furnace Inducer Motor Making Noise? (Possible Causes & Fixes) This will increase the number. The same is true when changing the air duct filter. Trane s9v2 should thermostat control blower speed? I have another question about my new Trane XV95 Furnace. Now, I haven't done the measurement to learn how much electricity my blower uses on low vs high. When it is flashing fast there is heat throughout your home. Proper Fan Speed Setting During Heating Mode It allows three constant fan speeds as well as an automatic fan speed and a variable burn rate and compressor and fan speed. Can a furnace with a variable speed blower be used in a multistory house? XB Trane Furnace Is there a fan speed control on the unit. - JustAnswer Where To Find R-22 & R410A Leaks on AC Units! This helps the XR80 conserve more of the heat it produces. During the awake hours I Hold the fan speed at either low or medium. Compatible with Trane systems or any standard HVAC system. Remember that a heat pump in heating mode will need to run with roughly the same airflow speed as during AC mode even though it may not be comfortable for the building occupant. Follow us on Facebook for Quick Tips and Updates here! You need to find the wires that determine blower speed inside your furnace. 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. The manual document include instructions and informations on how to troubleshoot the system. Solution: Install a new sequencer AND a new fan relay, just to be safe. The video will also explain other safety measures, as well as some for a demonstration which I will show. Before you begin this process it is a good idea to make sure that no power is going to the fan. Air Filters: AC Filters & Furnace Filters - Trane Click On under Emergency Heat. Your AC or furnace is designed for a specific type of filter. Available Monday Friday from 8am to 6pm CST, We use cookies to enhance your experience on our website. Remove battery from the thermostat (or disconnect thermostat altogether). However, I like the continually run the fan to even out air temperature in the house. I want to do what is best. I would think adjusting the heating element would save more energy than reducing the blower's electric consumption, but I didn't do a study on it myself. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). How do I check if this furnace switch the blower to second speed. There are often five wire colors coming from your blower to your IFC. Thus, my blower can't be using that much electricity on high. The factory may only set two or three of these colors as actual speeds. PDF Setting Blower Speeds - Ferguson HVAC All information is provided "AS IS." I've already had a few HVAC vendors give me some specious arguments about moisture buildup, another even told me he'd "lose his license" if he touched the job. Control Humidity by Optimizing Fan Speed | Priority Energy In order for the filter to work properly, the right size is crucial. On the furnace / air handler board you should have two wires on the "Y2" connection, assuming a two-stage cooling system. Top 10 Spots! Test your knowledge with our 1,000 question workbook along with the answer key! 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. When he's not enjoying family time with his wife and three boys, he loves tinkering with projects and geeking out on electronics. The problem is, the furnace control module doesn't use a separate speed when the unit is running in continuous FAN mode. If you want to solve the air noise problem, move the return air filters out of their hallway locations back to the upstream side of the return air duct at the furnace. The product data guide, and label on the inside panel indicate the air . Using a hammer, lightly tap out the blower motor shaft (fig.6.7) to loosen the blower motor from the fan shroud (fig.6.8). Cross country truck driver -- over dimensional freight It helps to have over 50 years of farming and ranching experience. 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. I miscalculated. Once you have located the panel, remove it. In order to determine or change the speed, check the wiring diagram of the furnace/air handler/package unit that the motor is installed in. These two losses comprise the magnitude of heat losses. DoItYourself.com, founded in 1995, is the leading independent home improvement and repair website. 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. You will also see the red E icon under Emergency . The boiler is feeding a DHW sidearm and furnace plenum HX. I want it for the same reason as cliff--the top floor of my house is colder than the main floor and I'd like to even things out by moving more air around. - Answered by a verified HVAC Technician . Yes: you will save electricity costs by running your blower on low. Wires from the 16 pin plug are connected to this board. On this motor module, the speed wires are red, orange, blue, yellow, and black. A slim, removable cover will reveal the filter location. The blower fan on this blower has four speeds. At night with an . I have been reading that the br wire can be used to let the thermostat control the fan speed, or the furnace itself can be programmed to ramp up the fan speed. He built every permanent building on his current homestead and did all the plumbing and electrical work. It can happen for lots of reasons, from improper furnace sizing and dirty filters to air duct insulation failures to the room being farthest from the furnace. Example: 1200 CFM is needed for a 3 ton 36,000 BTU/HR system. You should now see a red E icon in the System Mode screen next to Auto and Heating modes. 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 . Has anyone done this and can anyone give me a reason why I shouldn't do this? Upon initial installation, these dip switches need to be adjusted for the particular unit, size, and application. 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. Remove both of these wires and wire nut them together. I found one glued to the back of my furnace door, one in the manual, and maybe one on-line too. And I'd guess you're not supposed to push it too close to the limits as things may change slightly over time (filter will get dirtier, blades dirtier). Western VA. Nov 28, 2009. If power is getting to the blower motor, but the motor does not run, the motor may be burned out. Filters help protect the many parts of your heating and cooling unit from debris and buildup that can shorten the working life of the system. Press Apply to save and exit. Trane. Air Conditioner + Furnace Matched Systems, Air Conditioner + Air Handler Matched Systems, Does Your Air Conditioner Smell? The ohm meter should read very close to zero. The question is would the trade-off be in favor of less blower energy consumption and more loss through exhaust, or more blower energy consumption and less loss through exhaust. 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. We recommend our users to update the browser. Yes--the efficiency of the heat exchanger will decrease. Presently the settings for the cooling mode is speed 7 (C1.7), heating mode at speed 5 (H1.5), and continuous fan mode is set at the lowest speed (CF.1). I know that it has been done. It is a Trane S8X1 single stage furnace and air handler, paired with an XR16 3 ton AC unit. We have a Trane XL80 furnace manual in pdf version that you can download for free. @Dave: Those were my thoughts as well. A 90 percent-plus furnace needs 150 cfm per 10,000 Btu of input. The following list refers to each adjustment starting from the bottom and moving upward. View our Privacy Policy here. variable speed trane blower motor - DIY Home Improvement Forum Stage 2 Aux Heating. These adjustments can be made by pulling the single wire connector and moving it to another single tab positioned horizontally in each row. Most of these are on the bottom left of the control board. the module must be a trane furnace model specific programmed and is available separate from the motor. Note: (High voltage is always going to your blower motor along with the common for the 24 volts. I just moved into a house with a Trane XR80 furnace (several years old). Most furnaces have a relay switch on the door cover. 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. The remaining colored wires are the speed selectors for this blower motor.). I have a Trane Variable Speed Air Handler (TWE049E13FB2). No: you will not save on gas/oil costs by running your blower on low. I.e., maybe more heat is now escaping through the exhaust. Sometimes you have to add more ducts to achieve the proper pressure and velocity. We welcome your comments and suggestions. They do this by coupling a sophisticated, programmable thermostat to a variable-speed motor. 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. My main questions are. 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. Can airtags be tracked from an iMac desktop, with no iPhone? Trane S8X1 single stage - Continuous Fan speed adjustable? Being an bms/controls guy I rarely have enough cfm in large buildings. One thing I found consistently was that making changes on the RS-485 hydro heat control board and W1-W3 jumpering had notable effects (more CFM's at my test register) while messing with the mainboard DIP switches had little to no effect. 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. If you need assistance determining the best filter for your unit, a Trane employee would be happy to assist you. Use tab to navigate through the menu items. I do know that my entire furnace runs safely on a 15amp breaker with the blower on high, the burner running, the humidifier running, and the water pump to empty the humidifier running. How to tell which packages are held back due to phased updates, Linear Algebra - Linear transformation question. The system also accounts for blocked vents and dirty furnace filters, and adjusts fan speed as needed to compensate. Boost Your Furnace Output With This Simple Trick Warmup.com mentions that it was the original design of radiant floor heat systems by the Romans. There are only a few steps required for most units and having the control will allow you to get your unit to give you the service you need. I assume you are speaking about dip switch settings. I think that when it is in enhanced mode the fan only runs at 50%, you can try changing your dip switches to see. Your new AC unit is not collecting water (yet) because the anticondensation coating hasn't been compromised (yet); and that's a good thing. All information is provided "AS IS." Step 3: Adjust the Pulley on the Blower Drive Motor This will cause the "Cool" terminal on the control board to be connected to to the #4 terminal on the motor module via the black wire. A description of how to change motor speeds with a multiple speed fan motor on an IFC controlled furnace.This video is part of the heating and cooling series of training videos made to accompany my websites: www.graycoolingman.com and www.grayfurnaceman.com to pass on what I have learned in many years of service and repair. 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. Slowing the blower speed reduced the noise but I take it you would still like it to be more silent. Stage 3 Aux Heating. Website operating 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. 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. Can you increase the speed of an ECM AC blower? All rights reserved. Variable Speed Blower Motor (Genteq ECM 3.0, 4 pin connector). Design Engineer/Project Manager for injection molded plastic company The Trane XR80 Furnace - Features | Fire & Ice Why is there a voltage on my HDMI and coaxial cables? Proper returns are rarely a thought. Radiant floor heat web sites are mysteriously silent on this simple and cheap modification of pre-exisiting systems to accomplish the same goal. The installation instructions for this furnace are needed in order to be able to know how to set these dip switches. -The "System Type" is the CFM per ton to be adjusted between low, normal and high. Dealers can answer questions, help you find the right products for your home, and repair your system. Recently I did a blower speed adjustment on the 2nd floor air handler and thought to show how it can be done. Each is associated with a different blower speed. 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. The heat exchanger warms up the incoming air and a blower or air handler sends the warm air throughout the home. 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. (FYI Filter was clean and furnace was recently serviced all prior to my initial investigation of the short cycling). This covers speed adjustment on a PSC motor. and as I recall, you have the HW VP IAQ stat. 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. I'd like to get some second opinions. 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). Pollen, dust, clothing and carpet fibers, hair spray, mold spores, Pollen, dust, clothing and carpet fibers, hair, mold spores, legionella, pet dander, Pollen, dust, clothing and carpet fibers, hair spray, mold spores, bacteria, pet dander, cooking oil, most tobacco smoke, smog, Air filters are the first defense against the pollutants in your air, but building a complete air filtration system can help support an even higher quality of indoor air. 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.. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. For 240v units, both the L and N are hots. 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 Locate the speed wires. Match the positions to the desired pictures within the manufacturer's installation literature. It accounts for the amount of air in circulation for precision airflow. Then switch the jumper to your desired speed. 4TEE3C10A1 That is excessivly loud. Cookie Notice Air flow - American Standard | Air Conditioning and Heating | HVAC Step 3. Asking for help, clarification, or responding to other answers. Then, carefully switch it to the setting of your choice and push it back into the control board. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. 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. I know I need to replace a dying blower motor in a 1992 Trane . But I'm reasonably sure it uses less to run on high vs low then it uses to run on low vs OFF. I have a Carrier furnace/heat pump with an expensive control thermostat that talks directly to the heat pump. Can this be adjusted I understand the reason for slowing the air to remove humidity. Available from Trane Dealers in select locations. Measured the temperature of the air before the coil and after the coil and used DeltaT (change in temperature) to determine the blower setting. When changing the AC or furnace filter, the arrow should face the furnace and point away from the return duct. Thanks for all your continued support! The heat exchanger can be overheated and burned out if the blower does not remove enough heat. Another common place with a schematic is on the back of the blower fan door. Remove both of these wires and wire nut them together. In humid climates, 350 CFM per ton can be selected in order to remove more moisture from the air. The NET difference of the above two figures is your savings or cost. ASE Certified Master Auto Technician Step 3: Find the furnace draft inducer. When the R-G circuit is made, the blower motor operates on heating speed. Possible to change Trane XR80 blower speed? : r/hvacadvice If you remove the common and place it on another terminal, it can burn out your motor not how you want the new furnace season to begin. The system might not work properly. thanks in advance. You may freely link to this site, and use it for non-commercial use subject to our terms of use. By pressing "submit", I understand that I am providing express consent for Trane Residential to contact me about this request or similar topics. Can I retrofit a 2-speed or variable speed blower on a Payne PG8UAA forced air furnace? The variable speed furnace delivers the proper amount of airflow based on the heating and cooling needs of your home. HVAC filters help remove dust, dander, and harmful particles from the air inside your home. Roughly 400 CFM is needed for every 1 ton (12,000 BTU/HR) of Heat Removal Capacity in Air Conditioning Systems. We are no longer supporting IE (Internet Explorer). 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. This is a follow-up to our other article on "Adjusting the Furnace/AC Airflow Speed on a 120v PSC Blower Motor". I know I need to replace a dying blower motor in a 1992 Trane XL80 gas furnace. Bundle Packs are a great way to save and get faster shipping! I'm in the process of re-wiring my blower to run on high with the furnace. When the system calls for heat and the inducer fan begins to run, check each pressure switch terminal. How can I check before my flight that the cloud separation requirements in VFR flight rules are met? and our That will give you the most reliable results for your particular system. Adjust blower/fan speed from Thermostat? - HVAC-Talk: Heating, Air Does a summoned creature play immediately after being summoned by a ready action? 3 of the wires will likely terminate with just a twist on cap. Learn more about Stack Overflow the company, and our products. A 1.5 ton AC unit may not be large enough to cool the . For instance, here's the procedure to change a furnace's fan speed with a PSC blower motor: Use a multimeter to measure the resistances of each speed wire. 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. Usually there will be three speeds ranging from 40 to 100% of airflow. Cockroaches and waterbugs coming in through the vents was my big clue there. New XV80 Trane furnace makes noise when blower runs at low speed. Making statements based on opinion; back them up with references or personal experience. This control board is out of a variable speed furnace with a modulating gas valve that has a variable speed inducer motor. 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. If you know what you are doing, it is very simple to adjust the speed of your furnace fan. 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. Mutually exclusive execution using std::atomic? I got the sv96 100k btu 2stage furnace with variable fan and the xl18 4ton ac unit. Air Filter - Be sure to check the air filter and replace if necessary. 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. PSC - The Permanent Split Capacitor Motor is still the most commonly used. The furnace operates for two minutes or so before it shuts down. It wasn't the noise that was bothering me, it was the desert-like sensation of swirling dry air. AC Service Tech HVAC Training is made possible by continued support from our visitors, customers, and support from these Sponsors! These blower motor speeds are programmed at the manufacturer's factory for the specific equipment model number unit it is installed in. 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. Website operating problems contact Webmaster. (new Image()).src = 'https://capi.connatix.com/tr/si?token=2ba02a33-c319-4410-bba7-f8321a13bed3&cid=877050e7-52c9-4c33-a20b-d8301a08f96d'; cnxps.cmd.push(function () { cnxps({ playerId: "2ba02a33-c319-4410-bba7-f8321a13bed3" }).render("00499ba9282e4d1b985fa8af14d29c2b"); }); On my furnace IFC, the black (high speed) wire is connected to the air conditioning (cool) terminal, and yellow (medium-high speed) is connected to the (heat) terminal. I have also measured that on low speed my furnace requires AT-LEAST 1 hour of constant running to raise my home temp by 6 deg F. On high speed it takes 30-40 min. Comfort R should be off if you are using . The low pitched whine stops when fan is in high speed. Variable Speed Blower Motor ( Genteq 2.3, 16 pin connector). Our Privacy Policy governs the use of your information. Changing the Blower Speed on a Furnace - YouTube Certified Welder Divide the rated Btu input by 10,000. I just had a Trane system installed last week and I've been very happy with it!