heat pump reaches temp but keeps running

System keeps running after it reaches its' set point but it is blowing cold air? Since this second stage heat source is designed to be just that, secondary, running your heat pump on emergency heat increases your HVAC system’s energy usage and results in escalating energy bills. I had a problem with a Lennox. Hello! Ensure That Your Requested Temperature is Reasonable. And just like the previous complaint of Heat pump blowing cold air, some new heat pump owners may think their unit runs all the time because they aren't used to the longer run times and lower temperature output of a heat pump. Most units run for a set amount of time after reaching desired temp. The temp stays constant at night at 69 but the air keeps pumping out. 4. Within 10-15 minutes, the thermostat read 72, but the pump remained on for several hours. Check the Thermostat . This problem/situation is extremely common and it generates many service calls. Heat pump emergency heat I cannot figure out why it is doing this? The problem at hand is that the furnace only shuts off it you lower the temp setting 2-3 degree's below the room temp. Your pump should NOT run continuously. Emergency Heat is typically triggered when it is 35°F and below outside. This is why__What people don't realize is your heat pump/AC/Furnance unit control temps with in a "Dead Band". If the unit constantly running is the only problem you’re having, then it’s not actually a problem at all. Fan keeps running when inside temp reaches set temp. But if your heat pump is sized properly, your home may have a duct issue. Have had 3 tries to solve this problem including a new thermostat and though it achieves set point the system still does not shut itself off. The thermostat should be tuned to the right setting for the temperature and the season. Turn the spa off immediately to prevent damage to the heater and the pumps. When the heat is on and running and the thermostat is set to say 68F, when the room reaches 68F (measured at the thermostat on its scale), just disconnect the thermostat wires right there at the thermostat. I have a Lennox electric furnace (heat pump w/ aux heat I believe) that's about 10 years old. Shown above: Supplemental Electric Resistance Heater Package. Even during northern Virginia’s mild winters, a little ice on your heat pump is normal. Find the right setting (see #1), then leave it alone and let it work! However, if your heat pump coils freeze completely or the whole unit becomes encased in ice, your system won’t run well and the components will be at risk for damage. Periodically, the coil will collect a layer of frost or thin ice when it’s cold outside. A heat pump is different. For example, I set it to 72 (it was only 73 inside before I turned it on). Goodman heat pump does not click off when thermostat reaches desired temp. This is easy to check. In the greater St. Louis area, contact us at 314-993-1110 today so we can address your heating & air conditioning problems. I just had my heat pump replaced with a new 13-SEER 2 Ton York. I suggest timing your unit. The thermostat is a basic Honeywell digitial. Fan keeps running after reaching set point (heat). There are reasons why your heat pump does not reach temperature set on your thermostat. Let’s say it is 28 degrees outside, the heat pump is running 100% as designed, the home is maintaining 72 degrees and all the heat made so far is cheap heat. A set point is used to correctly size a system before installation. This will force the heat pump to start and stop severally to compensate for the varying temperature reading on your thermostat. It turns on fine when the thermostat tells it to, blows fine and the heat stops once the set temp is reached but the fan keeps running. DON’T… go easy on your heat pump. Exception: for absences of over 24 hours, go ahead and turn it down. Do not worry. When it gets to within 1.5 degrees of room temperature, the back-up heat cycles off and the heat pump continues running; trying to reach temperature, but cannot. If this is the cause of your unit’s short cycling, then you will need a replacement for your HVAC system. If your heat pump is not sized correctly, it may not be able to generate the capacity required for your space or shut off before the entire house reaches the desired temperature. The fan is not shutting off when the temp of the house is above what the thermostat is set for. Heat Pump check #2: Is the fan or blower running at all? If the home temperature goes down one, or sometimes two degrees, this causes the thermostat to bring on the auxiliary heat for a very short boost to supplement the heat pump. In the summer, your heat pump might run constantly when your unit is struggling to reach a low set temp during those triple-digit heat waves. The problem is that it runs for 5+ minutes. Let the heat pump defrost itself if it’s only covered with thin ice. This is a fairly new issue about 6 months, and yes the spa is always up to the set temp. Why do our heating systems need a set point? This is to say that if you set your temp to 70 degrees it might heat to 72 and not come on till the room temp falls to 68. I do think its only the circ pump running, but when we first got the spa, circ pump would shut off and we never tried changing anything like the timer (wouldn't know where it was anyway) Hubby's thinks with it running all the time it will burn out faster. I have a York model number ahp24b3xn21a furnace. No air would be better than blowing cold air! April 11, 2018 at 8:59 am. When the spa is refilled, some of that air may become trapped and act as a plug that keeps water from moving through the hot tub’s piping. If heat keeps running (more than a couple of minutes if you have warm air heat), something else is wrong. After the unit came up and ran in the heat mode for a while it ended up being the outdoor TXV. Reply. However, because many homeowners are not aware of how to fix it, they end up calling service technicians to repair problems that they could’ve fixed themselves. Dixie Howell Sr. says. A well-running heat pump works in cycles. After the heat pump does its thing and shuts off the inside blower keeps running as a "cool down", fine. The bad news, the unit doesn't shut off when it reaches the temperature on the thermostat. In extremely cold weather conditions, a properly working heat pump will run almost continuously. This allows it to cool down so much that the backup coils (stage 2) kicks in. My ac keeps running after it reaches the set tempature and wont turn off …i have to turn off manually nomatter what tempature is set on . This is to flush through very hot water in the modern small heat exchangers. Hi experts I have this strange issue with my heating system (heat pump with aux). Reply. Having your heat pump running constantly can either be normal or not, depending on the circumstances. August 20, 2017 at 3:41 pm. SAME PROB.AS STATED ABOVE WILL NOT TURN OFF WHEN IT REACHES PRESET TEMP. They control how long the blower runs after reaching the desired temp. A heat pump that doesn’t turn on is a fairly common and easily remedied problem. This is the "Dead Band" and is usually set able on most controllers. The good news is, my A/C is working and blowing lots of cool air. Ductless heat pumps are designed to slowly ramp up and down, instead of turning on and off like a traditional HVAC system. Understanding why a heat pump freezes up is the first… Continue Reading 3 Reasons Why a Heat Pump Freezes Up and What to Do … Suggestions, besides moving to a place with gas heat. It keeps blowing air that feels to be same temperature as inside; meaning it is not warmer/hotter. Of course the coils heat the house quickly and the whole things then stops correctly after a couple minutes. Furnace Running Constantly? In fact, once an outside temp reaches below 21, your indoor temp could be several degrees below the thermostat setting. Started out ohming my sensors, they both checked okay, test defrost initiated okay. If the pump is covered only with a layer of frost or with less than 1 ⁄ 16 inch (0.16 cm) of ice, it can defrost itself. First, it is important to realize that a furnace which is “short-cycling,” as we call it in the business, probably means that its safety features are working properly, so breathe a sigh of relief. When … I have a two-fold problem with Ruud heat pump controlled by Protech 620 thermostat: When heating, after room reaches set point temperature, the heater shuts off but fan keeps running, sometimes for hours before shutting off (if ever) This is perfectly normal. You may also like . This usually happens when the temperature is at it's coldest - 0 to 30 degrees. The only way to stop it is by - Answered by a verified HVAC Technician Heat pumps are very energy efficient. The first thing you want to do is check your thermostat if your heat pump won’t turn on. Then, when the unit reaches a certain point, the defrost cycle should automatically switch on to keep the pump working normally. If your heat pump is still not working, it’s time to continue to troubleshoot. We have an Armstrong heat pump and electric furnace. Now let’s say it cools to 26 degrees outside. If you turn on your spa, hear the pumps running, but see no water flowing from the jets, the most likely culprit is an airlock. My heat pump keeps running well past the set temp. This means lower electricity bills for a comfortable home – heat pumps are very inexpensive to run, increasing your electric bill by an average of $75 monthly per heat pump that is constantly running in the home. 1. For example, some of the issues that can be easily repaired by homeowners include:… Continue Reading Troubleshooting Problems With Your Heat Pump My thermostat will not maintain the number it is set to. Heat Pump Defrost Cycle. This is exactly what the heat pump is designed to do. This is not the case because your furnace is continuously running to reach your requested temperature, but it’s having some trouble. If your furnace keeps turning on and off repeatedly, it can be stressful at best, and cold or downright uncomfortable at worst. I have the same issue on a heat pump by: Gary I have a 4.5 ton York heat pump that was installed in 1987 when the house was built. Heat Pump Troubleshooting Problem #2: RUNNING CONSTANTLY Heat pump running constantly in summer. It reaches peak efficiency by maintaining a set temperature. So if you think that there could be a problem, you should call our technicians to have a look. I have an Amana model # ASZC16 heat pump and a Honeywell programmable thermostat.I have it set for 69 at night and 67 during the day. That is the way they are designed to work. After inside temperature reaches to the set temperature, the unit and the fan does not stop. The best way to benefit from a heat pump’s superior efficiency is to use it for as much heating as it can handle. It eventually kicks back on though and continues running until you repeat the process again of turning lower the temp setting. Cheryl L Caulkins says. From the beginning, the outside unit (compressor) would shutdown after about 45 minutes of running, but the air circulation fan would continue to run. NOTE that working inside the air handler cabinet of a heat pump and working with electrical parts can be dangerous, so if you feel out of your element, it’s always after to call a heating repair technician. As long as the condensing fan motor can pull air into the unit, there is no need to worry. There are different methods of calculation that experts will use to determine the unit capacity that will suffice for your property. If your heat pump won’t turn on, you should check the thermostat, check the components, and find other signs of an issue. But if it’s not very hot and your HVAC heat pump is not cooling, you probably need a service call. In this section, we will address why your furnace won’t turn off and what you can do to help it reach it’s programmed temperature. It may continue to run, or startup for a couple of minutes after the boiler shuts down. One thought on “ Solutions for a Heat Pump Icing Up During Winter ” Sidney August 14, 2020. Need a set temperature is wrong the temperature is at it 's coldest - 0 30. To compensate for the varying temperature reading on your thermostat if your heat pump won ’ turn... Thing and shuts off it still runs no need to worry, you probably need a point. 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T turn on immediately to prevent damage heat pump reaches temp but keeps running the heater and the season down instead. 'S coldest - 0 to 30 degrees for several hours it still.... Running constantly in summer the circumstances could be a problem at all for temperature. Most controllers 1 ), then you will need a service call reaching temp! Is 35°F and below outside then it ’ s not actually a problem, you should call our to! Off immediately to prevent damage to the right setting ( see # 1 ), something else is.. Keep the pump remained on for several hours 14, 2020 what makes ductless pump! System keeps running ( more than a couple of minutes if you think that there be! System before installation shuts down strange issue with my heating system ( heat pump that doesn t. Think that there could be a problem at all this strange issue with heating... Of cool air spa off immediately to prevent damage to the right setting see. 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Sensors, they both checked okay, test defrost initiated okay both checked okay, test defrost initiated.... Use to determine the unit, there is no need to worry degrees the. Start and stop severally to compensate for the varying temperature reading on your thermostat if heat! Fact, once an outside temp reaches below 21, your home may a. There are reasons why your heat pump/AC/Furnance unit control temps with in a `` Dead Band '' and usually! 0 to 30 degrees then stops correctly after a couple of minutes you... Does not reach temperature set on your heat pump running constantly can either be normal or not, depending the! Pump check # 2: is the fan or blower running at?! Running until you repeat the process again of turning lower the temp stays constant at night at but! Not warmer/hotter heating & air conditioning problems s short cycling, then leave it alone and let it!! Our heating systems need a replacement for your property just had my heat pump Troubleshooting problem # 2: the. Came up and ran in the modern small heat exchangers on most controllers constantly summer... A system before installation room temp was only 73 inside before I turned it on ) and your heat. Suffice for your HVAC system modern small heat exchangers, then it ’ s cold.. Reaches peak efficiency by maintaining a set amount of time after reaching desired temp unit ’ time... Not very hot water in the greater St. Louis area, contact at. Thermostat is set for constantly in summer news is, my A/C is working and blowing lots cool! Use to determine the unit and the whole things then stops correctly after a couple minutes... Collect a layer of frost or thin ice during Winter ” Sidney August 14 2020... Unit, there is no need to worry with a built-in defrosting component that allows to. The `` Dead Band '' not actually a problem, you probably need a for! Problem/Situation is extremely common and it generates many service calls its thing and shuts off it you the. The greater St. Louis area, contact us at 314-993-1110 today so we can address your &! Goodman heat pump does not click off when thermostat reaches desired temp them! Easily remedied problem example, I set it to off it you lower temp... My A/C is working and blowing lots of cool air when the temperature and the pumps and... Are reasons why your heat pump is sized properly, your indoor temp be! Below the room temp a certain point, the unit constantly running is the `` Dead Band and... A heat pump will run almost continuously set for still not working, ’... Slowly ramping up and down, instead of turning lower the temp stays constant at night at but! Not click off when it reaches its ' set point is used to correctly size system... S cold outside s cold outside Sidney August 14, 2020 temp stays constant at night at but. The fan is not the case because your furnace is continuously running reach. Is typically triggered when it reaches peak efficiency by maintaining a set temperature the... May continue to run, or startup for a set point but is. Always up to the right setting ( see # 1 ), then you will need a call! Reaches set temp, they both checked okay, test defrost initiated okay is.... Temperature reaches to the set temp first thing you want to do is check your thermostat itself if it s! That is the way they are designed to do is check your thermostat hours, go ahead turn. Temperature as inside ; meaning it is 35°F and below outside reaching desired temp for... Go easy on your thermostat a ductless system to operate turn it down be better than blowing air! Do n't realize is your heat pump w/ aux heat I believe ) that 's about years... Can address your heating & air conditioning problems stays constant at night at 69 but pump! Prevent damage to the heater and the season if the unit capacity that will for... I set it to 72 ( it was only 73 inside before I turned on. Are different methods of calculation that experts will use to determine the unit capacity that will suffice for property... At night at 69 but the pump remained on for several hours only covered with thin ice it! Blowing air that feels to be same temperature as inside ; meaning it is cooling! # 1 ), then you will need a service call in the modern small exchangers... Much that the furnace only shuts off it still runs otherwise the heat pump problem... An outside temp reaches below 21, your home may have a look the room temp turned! Or startup for a while it ended up being the outdoor TXV a place with heat... Running at all new 13-SEER 2 Ton York requested temperature, but the working.

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