ago. 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. When it is flashing fast there is heat throughout your home. All information is provided "AS IS." 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 . Here are how my dip switches are set: Did the installer tie in a humidistat there on that V/S blower . Tied from R to BK in air handler. Anyone? Typical setups include these wire colors with associated blower speeds. 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. Of course all that heat was lost because of the ridiculous number of vents in our foundation. The ignitor glows. It shouldn't take more than a few minutes a day to record the data anyway. Radiant floor heat web sites are mysteriously silent on this simple and cheap modification of pre-exisiting systems to accomplish the same goal. It offers three settings: 525 RPM for saving energy, 900 RPM for heating, or 1100 RPM for air conditioning. Why do many companies reject expired SSL certificates as bugs in bug bounties? Cut the wire's terminal connector off with wire cutters. I.e., maybe more heat is now escaping through the exhaust. We welcome your comments and suggestions. Trane s9v2 should thermostat control blower speed? 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. Mine has a wall switch. 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. On most control boards there will be a jumper that is marked to show that it controls the speed. I'll just run the heat pump through the leaky ductwork and heat the crawl space. It is a Trane S8X1 single stage furnace and air handler, paired with an XR16 3 ton AC unit. I am currently heavily invested in studying and learning the subject as I commit myself to reducing my winter energy costs this year. You will need to look at what the programmed speed designations are for M1/M2/M3/M4/M5 on the wiring diagram of the HVAC unit. STEP-BY-STEP REPLACEMENT GUIDE Turn off air conditioning / heat from the thermostat. The best answers are voted up and rise to the top, Not the answer you're looking for? The gas kicks on and is lit by the ignitor. The problem is, the furnace control module doesn't use a separate speed when the unit is running in continuous FAN mode. Each is associated with a different blower speed. I needed to go the opposite direction and increase fan speed. and as I recall, you have the HW VP IAQ stat. 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. Be sure to check out our previous article on "Adjusting the Furnace/AC Airflow Speed on a 120v PSC Blower Motor" if you haven't read it yet! Also, if you are looking for a video to better help understand this topic, check out our "Adjusting HVAC Blower Speed CFM on Furnace & AC Units!" It had been set on the higher speed, but that was too harsh, so I lowered it to the slower speed. I miscalculated. 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. 10 Reasons a Blower Fan Won't Start in a Furnace, AC or Heat Pump. 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.. If you have a plug instead (ECM Broad Ocean) you can only make the adjustment at the control board or at the plug terminals at the end of the wiring. How to tell which packages are held back due to phased updates, Linear Algebra - Linear transformation question. Available from Trane Dealers in select locations. Connect the ohm meter to the pressure switch. The noise is there in heat or AC. A 90 percent-plus furnace needs 150 cfm per 10,000 Btu of input. The BTU/HR capacity or tonnage of the air conditioning system should be included within the model number of the outdoor unit. After understanding what speed each tap is programmed for, we can make proper airflow adjustments. I got the sv96 100k btu 2stage furnace with variable fan and the xl18 4ton ac unit. If you really wanted to be scientific, you could perform an experiment and post the results here. 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. Does a summoned creature play immediately after being summoned by a ready action? The wires that are used will determine the speed settings that the motor will run at. If the terminals are present at the motor module (ECM X-13) you can switch speeds at the blower motor location. That is incorrect. 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) Second-stage auxiliary heating for heat pumps and multi-stage furnaces. These blower motor speeds are programmed at the manufacturer's factory for the specific equipment model number unit it is installed in. These are not switched off but are live all the time. Remove both of these wires and wire nut them together. Soak the filter in warm water in a bathtub or sink. 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. It helps to have over 50 years of farming and ranching experience. According to the company, the slower circulation speed reduces energy consumption by 75%. you will get the better dehumidification with the lower setting. Your R value shouldn't change, and daily average wind speed and precipitation should have a minimal effect on the convection coefficient. During the awake hours I Hold the fan speed at either low or medium. It wasn't the noise that was bothering me, it was the desert-like sensation of swirling dry air. After a bit of research, (translated: "mad google skills") I found an article claiming that lowering the blower speed may increase efficiency. Adjust the fan speed, and if you're still experiencing problems, contact your local American Standard Customer Care dealer. and our There are often five wire colors coming from your blower to your IFC. This is an old thread but I am going to post my experience: I have an oil furnace, at some point someone (a furnace tech) adjusted the blower to run slower thinking it would provide more hot air by slowing the air to heat up more before supplying the house. The wire's color will determine the speed settings that the motor will run at. Then, carefully switch it to the setting of your choice and push it back into the control board. Locate the speed wires. Employment/Education Highlights 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 main difference is that the fan ON setting means that the fan is set to run as long as the furnace is switched ON. By pressing "submit", I understand that I am providing express consent for Trane Residential to contact me about this request or similar topics. Switched it to heat (in which case the furnace board is in control of the fan, not the stat) - got fire, no fan. Trane is a top rated US company of HVAC systems that offer quality and reliability. Related: a two stage furnace works by actually shooting less gas out, which might improve its efficiency. To clean a reusable filter, remove the filter from the air cleaning device. I'm getting a new s9v2. For this reason, pair your Variable Speed AC unit with one of the following components: Hyperion TAM9 Air Handler, XC 80 Gas Furnace, XC 95M Furnace, or S9V2. He farmed commercial garden produce for several years. Third-stage auxiliary heating for heat pumps and multi-stage furnaces. The heat exchanger can be overheated and burned out if the blower does not remove enough heat. For more information, please see our charts are usually found on the air handler inside door to controls. Most of these are on the bottom left of the control board. Again, this can usually be found in the upper-left corner. The system might not work properly. HVAC system for small church has twin Trane XR90 units installed in 2009 to replace a unit with a much larger single blower. There are two types of fan motors found in furnaces: 1.) There is another way to wire this, but I can not find it back.. 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. 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. I know I need to replace a dying blower motor in a 1992 Trane . How exactly could I test this? Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Now that would turn the blower speed down on you. The house cools off quick - too quick - and feels humid (not sure of the rh%). (Without enclosing my house in a climate-controlled bubble). thanks in advance. Check out our free Quizzes to test your knowledge here! 3 of the wires will likely terminate with just a twist on cap. 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. These adjustments can be made by pulling the single wire connector and moving it to another single tab positioned horizontally in each row. The control board has relays that regulate the voltage to each component in the furnace. We recommend our users to update the browser. I installed a Thermo Control 2000 boiler and first fired it up this Friday. This X-13 model shown above designates the speeds taps as numbers, not as colors, to denote each speed. the module must be a trane furnace model specific programmed and is available separate from the motor. To switch the jumper, you will need to hold onto it gently as you pull it out of its current setting. Making statements based on opinion; back them up with references or personal experience. A second filter location for most HVAC systems and furnaces is the air handler portion of the system. Sign up for our email newsletter to learn helpful HVAC tips and tricks before your purchase your system. Check back regularly as we are always updating and improving thiswebsite! This will show what speed each numbered tap is programmed as. He has several years experience as a professional cabinet builder, and he is an accomplished auto repairman, having operated an auto repair business for many years. Inventor with two patents (weight training – anti-rollback for manual wheelchair) Yes, there is a way to bring up the speed on the air handler.. Design Engineer/Project Manager for injection molded plastic company It provides quieter and more even and comfortable heat than a conventional furnace and doesnt consume electricity unnecessarily. How does a furnace work? 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. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? 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. Step 3. The arrow should face the direction the air is flowing. All rights reserved. For example, on a package unit, only taps 3, 4 and 5 may be programmed. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. For homeowners who want to upgrade rather than replace an existing furnace, Emerson Electric offers an exclusive replacement blower motor called the Mark Z that can be set by the homeowner on a continuous, slower-than-normal speed. You can change the settings for cfm fan speed, but you have to do it manually at the board. Yes--the efficiency of the heat exchanger will decrease. 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. Be sure to check out our previous article on ", If you want to learn about refrigerants and how they work in a system, check out our. In this case, to adjust the blower speeds, move the dip switches (in the red section of the control board) to the positions shown in the manufacturer's installation instructions. The installation instructions for this furnace are needed in order to be able to know how to set these dip switches. 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. I think that when it is in enhanced mode the fan only runs at 50%, you can try changing your dip switches to see. in this thread in this sub-forum in the entire site. These three are connected to the "Cool", "Heat", and "Fan" terminals on the control board. So the blower motor is dead. Before you begin this process it is a good idea to make sure that no power is going to the fan. This is done so that the maximum amount of heat is gained in the building from the refrigerant. According to the manufacturer's documentation, your furnace should have a 3 or 4 speed blower motor. Turn off the emergency HVAC shutoff switch Remove top and bottom cover panels on the air handler / furnace unit (fig.5.1). Air Filter - Be sure to check the air filter and replace if necessary. 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). How to Convert a Furnace Blower Fan Into a Stand Alone Fan, What to Do When a Furnace Blower Fan Won't Start, How to Replace the Resistor on Air Conditioner Blower Fans. 4TEE3C10A1 That is excessivly loud. Also related, with for instance a variable speed furnace, since it runs continuously and reduces "cold spots" you might find you can set it at a lower degree setting than the off/on kind. Being an bms/controls guy I rarely have enough cfm in large buildings. 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. The low pitched whine stops when fan is in high speed. enjoys making jams and jellies during fruit season along with cooking meals. The NET difference of the above two figures is your savings or cost. If you are having problems, find your fans users manual and use it as a guide.