Off When your system is Off, it will only heat to try to maintain your Safety Temperature. A local pro can install a common wire if you don't have one already.They can also diagnose and fix issues with your system and check that your Nest thermostat is working properly. My thermostat is off, but there is air blowing from my vents. What kind of sales do you expect in 2021? I found the same thing. Clinton is with Bay Hydronic. I went to other overheated areas and checked. Then the radiators will be hot even though the heat is turned off. They just didn’t work well together. The difficulties experienced in this situation could be encountered with any mismatch of components. Obviously, the zone valve wasn’t closing tight. Why Your Heating System Thermostat Set at 68, Won't Heat Above 65. I can have my thermostat on the wall set to off and the furnace will still be producing heat through the vents till I actually turn the switch on the furnace off. The only question: What to do when I got there. Even if I have the thermostat set to at temp. heat comes out of base board even though thermostat is turned off and circulator is not running. You do not have to live with constantly hot radiators. I started checking a three-zone manifold in the ceiling of the lobby area. But at 3 AM I woke up to all the radiators lightning hot and the Nest reporting that the heating was turned off. The Professor: Why Is Condenser Subcooling Needed? Reliability was very important, so we picked a brand with an excellent reputation even though it cost a few dollars more; in this case it was Erie. The one I used could only seal against 10 psi max. This device, called a heat anticipator, tells the thermostat when to turn off the furnace burners. I had to finally shut it off by the circuit breaker. Design, CMS, Hosting & Web Development :: ePublishing. We chose electronic thermostats with remote sensors so we could place the sensor in a representative room, but leave the control in the hall behind a tamperproof box, accessible only to the staff. Nonetheless, the system won’t starve for volume because out at the midsection of their curve, they can exceed the pressure and volume of the original 0011s. If the check valve fails because of a broken spring or some debris, your radiators will be hot from the natural convection, even if the heat is not “on.”. But a thermostat wire short at the transformer could burn out the low voltage transformer that powers the thermostat and heating controls or maybe even damage the thermostat itself. With all this care, we shouldn’t be having problems. Note: If your thermostat fan is set to ON, your furnace isn’t actually running non-stop—just the blower fan is. By closing this message or continuing to use our site, you agree to the use of cookies. An … read more I finial decided to turn it off from the thermostat and still the furnace The heating is off but the radiators are still warm. Yet, there it was. I can of I want to hear from you. JustinRandy131 3,770 JustinRandy131 3,770 Post May 07, 2013 #1 2013-05-07T02:32 I tried googling this but I got a mess of results. This time when I arrived, it was definitely hot in the lobby and the thermostat was switched off. There was a slight hissing as the middle valve approached full closed — telltale sign of a problem, as that zone was not energized. Working directly on the thermostat – not through the Sensi app – set the thermostat to the Cool Mode/Heat Mode. On cold days, with many thermostats calling, the operating point shifted to the curve’s midsection where the zone valves could happily deal with about 15 ft of pressure differential. All Rights Reserved BNP Media. The Refrigerant Issue: Is the Debate Cooling Off? I wanted to install individual room control, but the owner-builder thought that was too much. The boiler was clearly on and running. Fan Array is an air handling unit composed of multiple small, lightweight, affordable, and extremely energy-efficient fans. I chose two Taco 0011s for circulation because their curves indicated they were capable of sufficient flow with the system going full tilt. it wasn’t the zone valve’s fault. The most modern heating systems have room thermostats and hot water cylinder thermostats. It was mine. All of the wiring was correct.Listening very closely, I opened one zone at a time and simultaneously operated the ball valves we installed to facilitate zone valve repair. . I hadn’t a clue. Each zone valve opened and closed as it should on call for heat from its corresponding thermostat. This website requires certain cookies to work and uses other cookies to help you have the best experience. We are capable and prepared to repair, maintain, and install any parts or equipment your heating system needs. Thermostat is Off Before troubleshooting, double check that the thermostat is turned on. Depending on what type of heating system you have, the radiator can stay hot for different reasons. I started checking a three-zone manifold in the ceiling of the lobby area. Hello all, I have a problem with my gas furnace. Our old, standby heat-motor zone valve was not compatible with the thermostats, so we chose a synchronous motor-actuated valve. Visit our updated, “You’ve got to do something; the heating is all screwy. No one wants to be too hot or resort to having the windows open or even the air conditioner on just because the radiators won’t turn off. He thought everything would be fine with just four thermostats, one for each quadrant of the two-story building. Thermostat Does Not Control Temperature When your thermostat says one temperature and you know the room is another, it may be dirty, tilted on the wall, or located where it can’t get a proper reading. When it is not functioning properly, it can cause your furnace to cycle on and off more frequently than is necessary. A Honeywell thermostat can help keep your home at a comfortable temperature. To keep natural convection from allowing hot water to circulate to the radiators when the pump is off on, there is a check valve. [fa icon="calendar"] March 05, 2018 / by Home Services Expert Tweet Raise/lower the set point a few degrees above/below the room temperature. Taco 0011s have a shutoff head of 30 ft. What if my thermostat doesn’t have an off switch? A spring or weight keeps the check valve closed and stops the natural convection from occurring. I've turned by downstairs thermostat off but heat is still coming thru the The heater does not stop running, the thermostat does not seem to make any difference where it is set. The diverter goes into a ‘mid position’, which allows the hot water to flow to both the water tank and the radiators. I've got central heating and air. . With the 4-gpm bypass and just one zone calling for heat, these circulators will never see 20 ft of head and the zone valves will stay closed. One Hour Heating & Air Conditioning of Elk Grove, Do Not Sell My Information - California Residents. Honeywell - thermostat/heater still on heat even though it's off as the topic say, it's off, but i can still feel heat coming from the vents it's not digital, it's a nob for the temp, 2 switches (heat/off/cold, fan:high/med/low) Nest turned "off" the heat after the temperature came up. When most people think of heating problems, they think of inadequate heat or heaters that do not work. But no matter what temp it's set on, when you turn it on the heat will just run and run. Should this be running all If your heat By closing this message or continuing to use our site, you agree to the use of cookies. Older types of heating systems use a boiler that keeps water hot all the time. Reason #2: A broken/malfunctioning thermostat If the temperature in your home is lower than the one you’ve set on your thermostat, your thermostat is likely malfunctioning or broken. This was a residential care facility and those people were old and frail. . I turned the thermostat off and the heat remained on. In the end, we compromised at 12 zones. It turns out Erie has a selection of valves designed for varying pressure differentials. When your home’s heat is turned on, a pump starts and draws water up from the boiler and pumps it to the radiators. But if your thermostat is not holding temperature then your home will feel cooler than it should. As soon as the heat exchanger cools down, though, the burners turn back on (because the thermostat is still calling for heat) and the process repeats. Your radiator service person will perform a drain-down and replace the faulty component. Checked the contactor and it's not closed (not stuck together); there's clearly a … The thermostat is turned to the off position and the HVAC turns on randomly. Editor’s note: Brand name products mentioned in this article illustrate the importance of choosing components that are compatible with each other. Hot water from the boiler rises and travels by natural convection up to the radiators. Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. If your thermostat FAN is set to AUTO but your system is still running when “turned off,” you are likely experiencing one of the below issues. The batteries are new and I've tried tapping it ;) The heat will go off when I turn it to off. What if you cannot turn your heat off? We have a two level thermostat and that is how ours is designed to work. Then I thought about it . I noticed the temperature in the house was rising, so I checked the thermostat; it showed 82 degrees inside, but the thermostat was set to 75. The Heat Link was We have not turned the heat on yet, AC is off. Obviously, I was going to get stuck replacing the whole lot and I wasn’t a bit happy. Thanks in advance. What happens when both of the thermostats call (847) 744-9447 for heat at the same time? Some of the rooms are roasting and the thermostat’s off.”. Blows air and that's it no heat no cold air. Either the room thermostat or the water cylinder thermostat calls for heat when the boiler turns on. The diverter valve then directs the hot water to the radiator or the water cylinder as needed. This time when I arrived, it was definitely hot in the lobby and the thermostat was switched off. What happens when both of the thermostats call (847) 744-9447 for heat at the same time? If the heating on the boiler is set to 'ON', then if the thermostat is turned down to 15C, for example, the heating will still come on if the room temperature falls below 15C. All of my equipment selections had been good ones. It’s always possible that your spouse or one of your kids turned the thermostat off and forgot to turn it back on. Question: after I turn down the thermostat heat is still coming thru the baseboards (Feb 25, 2015) Mary said: I have a two zone baseboard heating system. Thermostat Is Off This might seem silly, but if your thermostat is blank, it’s best to double check that it’s on before you start troubleshooting. This article is reprinted with permission from the November 1999 Radiant Panel Report, published monthly by the Radiant Panel Association. Your Hello all, Quick question, my HVAC is turning on for now reason. Once the pump is activated, it can overcome the resistance of the weight or spring and allow hot water or steam up to the radiators. Please click here to continue without javascript.. Top 5 Fan Array Technology Advancements in 2020. Erie makes another model that can handle 100-psi differential and so do other manufacturers. : The easiest solution is to turn the temperature of the thermostat below the current room temperature by at least a several degrees. However, if the thermostat is properly adjusted and the heat still won’t turn off, there are other mechanical issues that will likely require professional attention. ON makes your furnace’s blower run non-stop but AUTO will tell your furnace’s blower to run only when heat is being produced, so it should shut off once your home reaches the desired temperature. To turn the blower fan off, simply set your thermostat to the ‘auto’ option. the circulator on my hot water system was just replaced. Our contract was for design-build of the radiant heating system. We sometimes get questions from people with radiators that produce heat, even when the heating is off. All Sponsored Content is supplied by the advertising company. I turn it down to 68 degrees, but the inside temperature did not lower. You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. Last night my furnace would not stop running even after the desired temperature had been reached. Housing Market Is Still Robust, But Is It At Its Peak? By visiting this website, certain cookies have already been set, which you may delete and block. An AK employee asks: My thermostat (like the one seen here) has been set to a constant 68 degrees. Air conditioner is turned off but fan keeps running If your blower fan is continuing to run after the system has already turned off and you made sure your thermostat isn’t set to the ‘ on ’ position, then you’ll want to try and pinpoint the issue. When your furnace won’t turn off, because it can’t reach your desired temperature The first thing you’ll want to do is make sure that you set your thermostat to an appropriate temperature . The staff claimed the problem only happened “sometimes.” Great — ghosties and goblins! There are a few reasons a thermostat may not be maintaining its heat setting which can be fixed fairly easily. I can turn off the Thermostat and the Trane keeps on running. Discuss Thermostat turns heating off downstairs but still comes on upstairs in the Central Heating Forum area at Status Not open for further replies. The diverter valve then directs the hot water to the radiator or the water cylinder as needed. If you have a spare wire behind your thermostat that’s not connected to your system, your local pro may be able to use it as a C wire, which is usually cheaper than running a new wire to your thermostat. A new Y valve and motor has been fitted and the Nest thermostat clearly operates the valve so I am at a loss to understand why the radiators are still heating up. I’d gotten the same call before but found nothing wrong when I arrived. Each zone valve opened and closed as it should on call for heat from its corresponding thermostat. Contact your local rep. (In other words, pay attention to the system, not just the components.). I installed Taco 0014s. Any idea why its doing this? Copyright ©2020. Tell me how we can improve. Efficiency was important, so we opted for two 199,000-Btuh condensing water heaters. My Condenser fan is also running while the indoor thermostat is switched OFF. Unless you live by yourself, there’s always a possibility that someone turned it off on accident or on purpose to turn off the AC. Now a short in those wires sometimes lets you off the hook with no trouble, since the wires and thermostat are basically an "on-off" switch that calls for heat (or no heat). By visiting this website, certain cookies have already been set, which you may delete and block. When a diverter fails or gets blocked with debris, hot water intended for the hot water circuit can get into the radiator circuit. Thermostats are temperature-sensitive switches that turn the boiler on when heat is required in either the hot water tank or the living space. When the house reaches the desired temperature, or the heat is turned off, the pump stops running. The Erie zone valves could close against 23 ft. We had a 4-gpm bypass installed in the distribution piping, but on mild days with only a few zones calling for heat, the circulators still operated high on the left end of their curve and were forcing up to maybe 15 gpm through zones that supposedly were shut off. Sponsored Content is a special paid section where industry companies provide high quality, objective, non-commercial content around topics of interest to the ACHR News audience. 1 Turn the power off to the The call was urgent and the occupants of the affected rooms were not ordinary people. My furnace is a miller brand it has a flip switch with winter on the left,off in the middle, and summer on the right. I can switch the fan on the side of the furnace. So, if your air filter looks like the one to the right, replace it immediately and see if that fixes the problem. boiler still runs even when thermostat is off Update to my post is as is : Today I installed a new aquastat L4080B-1253 and the problem persists The only difference is that when the boiler got to the low setting of the aquastat it shut down. Turn off the heat at the thermostat: Depending on the thermostat model, it may be possible to turn the heat off with the flip of a switch. Today, for some reason, the heat just keeps running and the temp keeps going up and up and up. Interested in participating in our Sponsored Content section? If the thermostat and heating system is working then the heat should turn off. I have a Trane XL1200 heat pump. For instance, if you set your thermostat to 100 degree when it’s below zero outside, your furnace will continue to run and struggle to hit that temperature. Heat Your thermostat will start heating to try to maintain any scheduled temperatures or a temperature that you’ve manually selected. Radiators have two common but completely different ways of getting the hot water or steam that makes them hot. The solution was not to replace the zone valves, it was to change out the circulators. A bad batch of zone valves, I concluded while cursing the manufacturer. Going back to my office, I tried the installer’s last resort: I read all of the instructions. Either the room thermostat or the water cylinder thermostat calls for heat when the boiler turns on. Read the article and discover 5 advancements in Fan Array technologies in 2020.