One fan is inside the house, and one is outside the home. Variable Speed Blower Motor (Genteq ECM 3.0, 4 pin connector). To switch the jumper, you will need to hold onto it gently as you pull it out of its current setting. When changing the AC or furnace filter, the arrow should face the furnace and point away from the return duct. The remaining colored wires are the speed selectors for this blower motor.). HVAC filters help remove dust, dander, and harmful particles from the air inside your home. Typical setups include these wire colors with associated blower speeds. (Without enclosing my house in a climate-controlled bubble). Additionally, they can be identified by the presence of a removable module/bell on the end of the motor. 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. I just moved into a house with a Trane XR80 furnace (several years old). When you purchase through links on our site, we may earn commissions at no cost to you. video below! The fan speed is controlled on the control board for the furnace. -The "AUX Heat" makes sure that there is enough airflow when elect strip heat is called. There are also red and brown furnace speed wires. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. My gas furnace has two options for the blower speed: MED, and MED-HI. Black: High; Yellow: Medium-high ; Blue or brown: Medium-low; Red: Low; Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. How can I check before my flight that the cloud separation requirements in VFR flight rules are met? Most require that you open a box (2 screws?) The video will also explain other safety measures, as well as some for a demonstration which I will show. If you do, you may not have enough air flow over the heat exchanger, resulting in overheating and eventually a shorter exchanger life span. Note also that there is always just "one blower" but that blower may or may not be variable speed, etc. Does lowering the blower speed of a forced-air furnace lower its Compatible with Trane systems or any standard HVAC system. Proper duct sizing can resolve the issue you are having. Electric Furnace Sequencer Replacement Instructions for Home Repair Well, it does make sense that lowering the blower speed would reduce its electrical consumption. I was reading the Trane XL824 thermostat installation and setup manual. I want to do what is best. Put the air handler back. Boost Your Furnace Output With This Simple Trick Make sure power is off when doing any adjustment. Proper Fan Speed Setting During Heating Mode He is also an HVACR Contracting Business owner of 16 years and holds an NJ HVACR Master License. Fortunately, theres a simple fix if you look at your furnaces Integrated Furnace Control (IFC) board. Meanwhile, the Circulate setting is a hybrid and auto that keeps the fan running throughout heating cycles and then again for a few minutes every hour even when the furnace is off. Variable Speed units continuously communicate with each other and your Trane thermostat to provide optimal efficiency. Here's hoping for some good answers. I think I had it on my hard drive, and the hard drive crashed on us last winter. 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. When he's not enjoying family time with his wife and three boys, he loves tinkering with projects and geeking out on electronics. 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. How to Set Furnace Blower Speeds | HomeSteady Top 10 Spots! They do this by coupling a sophisticated, programmable thermostat to a variable-speed motor. Can this be adjusted It helps to have over 50 years of farming and ranching experience. 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. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Which thermostat wires control the furnace fan? 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 I assume you are speaking about dip switch settings. 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. lower efficiency furnace) it is drafting exhaust up the flue which can't be good. I guess you are talking about a 3 speed direct drive motor with 1/2 shaft. Recently I did a blower speed adjustment on the 2nd floor air. 01 - Trane Furnace Control Board. Divide the rated Btu input by 10,000. 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. Locate the speed wires. Use tab to navigate through the menu items. There are several tutorials on Youtube about how to do this step for specific inducer motor brands. 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. Where To Find R-22 & R410A Leaks on AC Units! Many gas-fired, high-efficiency furnaces also save on the electricity required to power the blower motor, though this savings is not factored into the AFUE rating. The arrow should face the direction the air is flowing. New XV80 Trane furnace makes noise when blower runs at low speed. 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!" 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. This helps the XR80 conserve more of the heat it produces. 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 . I'm getting a new s9v2. If you need assistance determining the best filter for your unit, a Trane employee would be happy to assist you. Trane s9v2 should thermostat control blower speed? - HVAC-Talk: Heating Press Apply to save and exit. 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. It had been set on the higher speed, but that was too harsh, so I lowered it to the slower speed. The MERV rating is typically printed on the filter packaging, but not necessarily on the filter itself. ECM Multi-Speed Blower Motor (Genteq X-13). If the ohm meter comes back with an open line reading, the switch is bad and needs replaced. However, a higher MERV rating may not be best for your system. 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). Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? When the humidity is high for what its set at. Can a furnace with a variable speed blower be used in a multistory house? Trane S8X1 single stage - Continuous Fan speed adjustable? In fact, there's no need to worry about the fan wearing out or breaking down because it's designed to run continuously, and there's an array of benefits connected to this. Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls, 3-Speed, 4-Wire Ceiling Fan Switch Wiring. Why is there a voltage on my HDMI and coaxial cables? Change the speed. 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. For 240v units, both the L and N are hots. This BTU/HR capacity should be used to set the CFM for the indoor blower motor. My main questions are. Shay Tilander is a senior editor at Family Handyman. Home House & Components Systems Heating & Cooling System Air Conditioners. I found one glued to the back of my furnace door, one in the manual, and maybe one on-line too. How to Replace a Trane Blower Motor - Part 2 - AllThumbsDIY.com 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. To understand how this works, let's look at the wiring on your furnace's blower. Design Engineer/Project Manager for injection molded plastic company I have a Trane Variable Speed Air Handler (TWE049E13FB2). However, they are limited based on the total external static pressure (TESP) in the duct. The wires that are used will determine the speed settings that the motor will run at. Possibly you could do the same here (turn down blower and gas). It only takes a minute to sign up. A continuous green light means the IFC circuit board needs replacing. Changing your HVAC and furnace air filter is a vital part of home maintenance. 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. 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. Our Privacy Policy governs the use of your information. On the motor, only one of the 5 numbered taps has 24v power at a time based on the speed desired at the control board. HVAC Stages - Trane Home charts are usually found on the air handler inside door to controls. According to the company, the slower circulation speed reduces energy consumption by 75%. The arrow should face the direction the air is flowing. Asking for help, clarification, or responding to other answers. We welcome your comments and suggestions. Select Climate from the blue menu on the left side of the page. 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. Connect the black wire to the manometer. The product data guide, and label on the inside panel indicate the air . First, make sure that power is getting to the motor. The heat exchanger can be overheated and burned out if the blower does not remove enough heat. During the awake hours I Hold the fan speed at either low or medium. One of these wires will be coming from the thermostat and the other will go to the outside unit. If the control board is at fault, replace it. With a one-gallon-per-hour burner nozzle that saves me AT-LEAST 30% on fuel oil plus another 20-30 min of blower run time or at least 30-50% run time savings. The arrow should point toward the unit. Wires from the 16 pin plug are connected to this board. 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. My heat is running cold! Thoroughly rinse the filter. Trane Furnace - Furnace Blower Not Running - Repair Parts | Repair Clinic If the pressure switch is functioning properly . Thanks for all your continued support! *NOTE* If you attempt this, be absolutely sure that you have no power going to your system, especially before changing wires. No: you will not save on gas/oil costs by running your blower on low. A MERV rating speaks to the filters ability to capture large particles. Does a summoned creature play immediately after being summoned by a ready action? Can you increase the speed of an ECM AC blower? The gas is shut off and the induction motor stops running while the blower . . If it goes out of spec then on "very cold days" (when the furnace runs a lot) it could trigger an automatic shut off when the exchanger doesn't end up getting cooled enough, FWIW. 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. Mutually exclusive execution using std::atomic? 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. bean. We also have quick reference cards for use out in the field! We have a Trane XL80 furnace manual in pdf version that you can download for free. Connect the common wire to the neutral terminal of the furnace's control board. This trick only works on gas furnace systems with a multi-speed blower. He built every permanent building on his current homestead and did all the plumbing and electrical work. 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. All information is provided "AS IS." Based on some randomly googled comments here: http://www.inspectorsjournal.com/Forum/topic.asp?TOPIC_ID=8998& seems to agree it decreases efficiency but may increase comfort [ex: cold spots or noise level] :). (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. (Heat transfer wasn't one of my favorite classes in college - I focused more on dynamic systems, sorry.). What is the result of a higher blower speed? - Houzz 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. You may freely link to this site, and use it for non-commercial use subject to our terms of use. Mine has a wall switch. That said the contractor has no real incentive to get it right. The house has a 3 ton trane xl20i and an xv80 (4 ton max). You need to find the wires that determine blower speed inside your furnace. Here are some of them: Better circulation of heated and cooled air. Cockroaches and waterbugs coming in through the vents was my big clue there. XB Trane Furnace: Is there a fan speed control on the unit. (Variable & Multi-Speed Types), In this HVAC training article, we will be discussing how to adjust the fan speeds on an indoor, In order to measure air flow you could use a flow capture hood, a rotating vane anemometer, or a, I hope this helps you understand how to adjust the airflow speed on ECM Blower Motors! 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.