IMHO heat strips shouldn't be needed until 25 or so right? The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. Make sure your thermostat is set to heat. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! These address the case when you get no heatting at all, not the scenarios where you experience some but not enough heat. Replaced the Ritetemp because touch screen went out. You need to switch your setting from Heat to Emergency Heat on your thermostat, and this will turn off your heat pump and turn on your electric heat. Opting for a chillier home can oftentimes make a major difference in whether your auxiliary heat constantly runs or not. Get the installation instructions and change the system designation to “1 heat, 1 cool” heat pump. heat is kicking in, which is normal. If the heat pump cant keep up the aux heat will kick in to aid in reaching desired heat pump. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Marty disconnect W on the outside unit or at the tstat? Difference Between Auxiliary Heat and Emergency Heat. Most likely a low charge of refrigerant due to a leak. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. Again, this is the part of the heat pump that reverses the refrigerant and allows it to act as both a heater and an air conditioner. Your first stage heat is your heat pump. Ideally I would rather the heat strips not come on until absolutely neccessary. As we all know, the aux heat uses about 3 times the power per btu than the heat pump. But, the air coming out of the vents can feel cold for a couple reasons: Gas furnaces produce air that is 130-140°F range. After several minutes the auxiliary heat kicks in even when temps are moderate 30 degrees and above. There’s 2 ways to prevent the auxiliary heat from running on that stat. The home temperature raises to a point just short of the thermostat set point and then the auxiliary heat turns off as soon as possible. Our unit has been running non stop the last 10 days and … Blocking air increases the air pressure in your air ducts, which may both cause and worsens airflow leaks—particularly at … I prefer Honeywell. Temps right now are around 20 at night and 30-31 during the day. Replaced the Ritetemp because touch screen went out. Our suggestion would … 1. Defrost is basicly the same thing as running the a/c in the summer untill the coil is thawed. To limit auxiliary heat and lower your heating costs, a critical first step is to set a lower indoor temperature. As long as you reset it if your going away for any length of time(weekend, week etc). Thanks. Yes you can run much lower that that. Thanks. You shouldn’t ever use EM heat unless there’s truly an emergency—like your heat pump isn’t working— … Clean off your heat pump and clear away any debris that may be blocking the way. Heat pumps can be a great option for any homeowner, pretty much anywhere! Setting the lockout temperature is important if you want to minimize the use of AUX heat. I'd like to just set it 3 degrees higher to 61 and let the heat pump raise the temp without the aux heat. I'd also connect it to the W3 as I said before. For a better experience, please enable JavaScript in your browser before proceeding. on its own. I have an Armana heat pump and a Honeywell RTH2510 stat. Setting the lockout temperature is important if you want to minimize the use of AUX heat. The cheap builders at my new home, put a gas furnace in for the first floor (zone 1) , and a heat pump for the second in third floor (zone 2). So the Aux. Once the ice on the heat pump has mostly melted, the heat pump goes back to normal and AUX heat turns off. Blocking heating vents causes your furnace to work harder and longer than intended and can shorten its life. Then we explore the furnace issues that can also cause no heating at all. Your 2 ton should be able to do all the heating for a 800 sqare foot house down to 10 degrees or so depending on insulation and windows. In aux mode, your heat pump will continue to use outside air to warm your home to assist the secondary heat source. Extremely efficient, this process produces two to three times more heat than the energy it uses. When there's not enough heat in the outside air to meet the demand of the thermostat setting, an electric heater supplements the outdoor air to warm the home. We are using the Carrier programmable thermostat (66 at night, 70 in morning, 66 when we leave, 70 in the evening). They come on in the defrost cycle. Closed heat registers can cause other issues, as well. heat? Plus I can always hook it back up if I think it gets to cold during defrost. Try setting the temperature 2 to 4 degrees above room temperature. If the aux is comming on durring normal operation with the heat pump that normally means the heat pump can not keep up on its own and the aux is adding heat in addition to the pump. This can be done by going to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > COMPRESSOR MIN OUTDOOR TEMP. I've been having the same issue with my heat pump. They can be set for different cycle rates. heat is on. First off, AUX heat refers to your heat pump’s auxiliary (backup) heat source.Auxiliary heat kicks on when your heat pump can’t produce enough heat to warm your home by itself. I would really like the IAQ but I can't buy it right now. After several minutes the auxiliary heat kicks in even when temps are moderate 30 degrees and above. heat. You can set it to 1 heat 1 cool. 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. Closed heat registers can cause other issues, as well. 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. Your auxiliary heat, as just described, supplements your heat pump’s heat when it needs it. 5. heat I would compare usage to last year. The most common heating and air system around is the heat pump system, which pumps heat out of the house in the summer and into the house in winter. That is why both the Heat Pump and the Aux. Can hook it up to break aux from the indoor stat so it can't run below x degrees. Types of AUX heat (and why it matters) Heat pumps have 2 forms of AUX heat: Electric resistance (default) Gas furnace; The electric resistance option is like the electric coils you see inside your toaster. If it’s 30 degrees outside, it is unreasonable to expect the system to maintain an indoor temperature of 78 without using the heat strips. Last year I also had a Rite Temp t-stat that did not use the aux heat nearly as much as the current honewell. If the heat pump cant keep up the aux heat will kick in to aid in reaching desired heat pump. heat is kicking in, which is normal. Then we explore the furnace issues that can also cause no heating at all. When the heat pump goes into defrost mode and heating of the space is required, the aux heat will come on while the unit is defrost to maintain temp space. It is so cold. The problem could be your thermostat settings. AUX heat turns on to keep you warm. Thermostat is working correctly, wondering what component in the compressor unit is controlling the activation of the auxiliary heat. Other auxiliary heat sources such as a fireplace can wreak havoc with a heat pump operation especially if the fireplace is in a line of sight to the … So that when you go away, it isn't bringing in the aux heat right away anyways. Heat Pump Stuck in Aux Heat Mode. WHY ISN'T MY HEAT PUMP HEATING OR COOLING PROPERLY? Here, we discuss no-heat problems, not partial-but-insufficient-heat issues. Electricity use is way to high this way. 10 things you should know about operating a heat pump in winter. 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. Wku, Before you unhook your aux. Add a few layers to your outfit or sleep with an extra blanket to keep your furnace from working so hard. foot single story home with a 2 ton unit. I actually got the visionpro 8320 as a gift but at that time I didn't know how sensitive it is and that it wouldn't allow the lower setting of the aux. It is really too cold for a heat pump. At night it goes down to 62, stays that way all day while we are gone, and jumps up to 67 around 6:00 Pm when we return home. Ok so 250 and 270 are the same but you can set them for different cycles but they still run the aux. Typical t-stats: Honewell TH6320R1004 and RTH3100C1002/A The outdoor sensor will only allow me to set it to 40. JavaScript is disabled. Last year I also had a Rite Temp t-stat that did not use the aux heat nearly as much as the current honewell. Auxiliary heat uses electric resistance heating, which is much less efficient than your heat pump. Once you feel the heat coming from your return vent, head outside to observe that metal cabinet. The bill is much higher than last year. When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. I have an 800 sq. However, aux heat always comes on during normal heat calls. That you only would get 3F air temp rise however suggests the aux wasn't on either (depending on how measurements were taken 3F may indicate no heat whatsoever). After some research here it looks like the 4 degree difference is making the aux heat come on. The Heat Pump cannot handle this temp. Easiest thing would be to just buy the outdoor sensor and adjust from that,others can probably give you more advice on the programming. Be forewarned the air coming out of the registers is going to be COLD in defrost with no tempering. But heat pumps also have one huge benefit that furnaces lack: For example, if your AUX lockout temp is 40ºF or 4.4ºC, then AUX heat will come on when the outdoor temperature drops below 40ºF or 4.4ºC. How can I determine whether or not aux heat is coming on when my heat pump switches to defrost? I don't like them. It generally takes 30 minutes for the defroster to do its job, but it needs air flow to do so. Emergency Heat is typically triggered when it is 35°F and below outside. From your thermostat or control system, turn the “heat” ON. The aux heat comes on too much and is jacking up my electric bill. Meanwhile the heat pump has been running non-stop throughout this time to maximize the cheap heat. Electricity use is way to high this way. That is good to know that removing the W wire won't harm anything. With 2 degrees set it always comes on. So 85-92°F feels cold to new heat pump owners. This is, obvious, in addition to the ground wire. Don't know alot about outside thermostats but will look into them. The first step to fixing your thermostat's heat setting is to press the "Up" arrow and the button which says "Switch to Permanent Hold." So, your heat pump switches to “AUX heat” when it’s in heating mode—and you’re wondering if it’s normal. Check the thermostat is set to heat, and see if the "Heat On" button is blinking. This tells the stat that there is no auxiliary heat. Is the aux running with the HP or by itself? EM heat is an option on your thermostat that you can manually turn on to activate backup heating. Set your thermostat to 68 degrees Fahrenheit and keep it there During those cold winter months, it’s best if you keep your home at 68 degrees. I think I can get more out of my heat pump than that. The aux (or emergency heat) should come on when the outside unit needs defrosting. Check the thermostat is set to heat, and see if the "Heat On" button is blinking. Auxiliary Heat. I agree the IAQ is the T-stat I should have. 3. Once the ice on the heat pump has mostly melted, the heat pump goes back to normal and AUX heat turns off. The one I had was nice until the touch screen went out. Reply: Anon Which is 1.5 to 2 degrees lower than thermostat set point - the electric heat or auxiliary heat would then come on to make up the temperature difference. Replaced the Ritetemp because touch screen went out. Ok thanks. Helping You to Do It Yourself! Temps right now are around 20 at night and 30-31 during the day. Blocking air increases the air pressure in your air ducts, which may both cause and worsens airflow leaks—particularly at joints and seams. Disconnect W on the heat pump. You will not bring on the back up in defrost that way. Thanks for the help. Is there a wire I can remove at the T-stat instead like the Aux wire or ?. The part that gets me worse is that the aux heat comes on to even keep it a 70. I greatly appreciate it. When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. Since the aux heat seems to be working but the outside unit is not defrosting, it appears the heat pump has a problem. I missed the 40deg. If you have a heat pump, it is best to increase your heat setting by only two degrees at a time to prevent your auxiliary heat from operating. 1. rate : is that for the compressor when it is on air conditioning or does that include heat also for heat pump? But heat pumps also have one huge benefit that furnaces lack: Heat pumps usually produce air that is 85-92°F. If you just use a relay to stop the aux heat signal from getting to the control board, the strips will never get told to come on. If you do need to switch to emergency heat, contact an HVAC professional as soon as possible to get your heat pump working again. You could adjust the temp differential in .5 degree increments. Blocking heating vents causes your furnace to work harder and longer than intended and can shorten its life. AUX heat turns on to keep you warm. Save yourself money by keeping your thermostat setting on “Heat” during the winter. Aux heat. First off, AUX heat refers to your heat pump’s auxiliary (backup) heat source.Auxiliary heat kicks on when your heat pump can’t produce enough heat to warm your home by itself. They are the most cost-effective option (when compared to other electric heating methods that create original heat), and they can be a great way to optimize your year-round heating and cooling costs. No you don't want to remove it from the thermostat. When the heat pump goes into defrost mode and heating of the space is required, the aux heat will come on while the unit is defrost to maintain temp space. Sometimes thermostats will display “auxiliary heat” or “aux heat” on the wall display in your home when this occurs. Temps right now are around 20 at night and 30-31 during the day. So it relies on an auxiliary (AUX) heat coil (like the ones you see in a toaster) or a furnace to heat your home. 2. I have an Amana heat pump system for cooling and heating and I'd like to disable the aux heat. Helping You to Do It Yourself! So it relies on an auxiliary (AUX) heat coil (like the ones you see in a toaster) or a furnace to heat your home. Well, we just received our Hydro bill for two months, and it was a whopping 30% increase compared to last year; $966. rates have went up. I created this video with the YouTube Video Editor (http://www.youtube.com/editor) The auxiliary heat is staying on about 80-90% of the time. Once it gets close to the actual setpoint, the aux heat de-energizes and the heat pump mode of the system remains operating to generate heat and will shut off if the temperature is satisfied. Another person came in from the company and fiddled around after we called to ask what they had done, and now, the auxiliary heat keeps coming on (I have never noticed it being an issue prior to this). If you’re troubleshooting the cooling mode, follow the same steps but set the temperature below room temperature instead. This is set at a default 35F (1.7C), so the heatpump will not be used when the weather outside is below 35 degrees … Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! The auxiliary heat setting is more energy and cost-efficient than emergency heat. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. I'm trying to figure out how to use the aux heat less. I have a Honeywell Th8000 series thermostat. It is really too cold for a heat pump. The home temperature raises to a point just short of the thermostat set point and then the auxiliary heat turns off as soon as possible. As we mentioned above, AUX heat usually costs up to 50% more than heat transfer, which means if your system is running on AUX heat when it shouldn’t be, your heating bill is likely going to be a lot higher than you’d like it to be. 220 says 1st stage compressor cyc. It is so cold. Therefore, a heating system stuck in AUX heat will run up an energy bill. When switching your unit to emergency heat, you’re forcing the backup heat system to do all the work. If the heat pump fails you need the Aux heat. auxiliary) heat source rather than by the heat pump. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. In defrost the aux will come on to keep from blowing cold air in the home. Broken reversing valve: If your heat pump is running, but the air coming out of your vents is hot, it’s likely a problem with your reversing valve. You can change it from the Nest app or from your thermostat. The auxiliary heat is staying on about 80-90% of the time. JavaScript is disabled. An outdoor thermostat is a cheap option to consider. Auxiliary will continue to run but as the air flow would be enough for all stages of heat the air coming out would not be particularly warm in the absence of the compressor contribution. Possible Reasons for the Honeywell Thermostat Not Turning On Heat heat is on. This indicates a safety timer has been tripped to protect your thermostat's compressor. Elec. The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. JMO. Reply: Anon Awesome info. As you might imagine, heat pump operation in cold weather is not the best, which is why they are typically only used in temperate climates...think beaches, palm trees, and oranges. 2. Which is 1.5 to 2 degrees lower than thermostat set point - the electric heat or auxiliary heat would then come on to make up the temperature difference. Heat pumps do run longer and put out less heat as compared to a furnace. This winter is colder than last year. heat? So, your heat pump switches to “AUX heat” when it’s in heating mode—and you’re wondering if it’s normal. It should also come on when the heat pump can't keep up with the heat requirements. Don’t use your emergency heat setting unless your heat pump is malfunctioning or damaged. The bill is much higher than last year. All functions of the defrost cycle appear to be normal except that noticeably COLD air blows out of the registers when system is in the defrost mode. A Heat Pump System is really not good for a climate like the one you are in. This is plenty warm to heat your home to your desired 72°F. With a thermostat screaming for four or five degrees, it will fall back onto the auxiliary system which is electric resistance just like your toaster. I frequently set the Honeywell TH8000 from 58 to 61 degrees at random times and to keep the aux heat from kicking in I have to setup the thermostat up 1 degree at a time. This will manually change the setting of your thermostat to a higher temperature than the outdoors. If it is operating and you don’t pay a gas or propane bill, you most likely have a heat pump! The heat pump pulls the heat from this cold outdoor air and sends it inside to warm your home. Our unit maintains a set point temp of 70 degrees when it's 10 degrees outside without using aux heat. These address the case when you get no heatting at all, not the scenarios where you experience some but not enough heat. A Heat Pump System is really not good for a climate like the one you are in. Here are some tips to helping prevent the use of the auxiliary heat function. There's usually at least three wires that send signals coming from the thermostat - one for heat pump heat, one for heat pump cool, and one for the aux heat (strips). Thermostat is working correctly, wondering what component in the compressor unit is controlling the activation of the auxiliary heat. Can I just disconnect this and eliminate the aux heat? For the most part, you can stop the auxiliary heat from coming on by making a few lifestyle changes in your daily routine. Dead starting components (heat pump) While we're on the subject of heat pumps, let's just acknowledge that all kinds of components can go bad for any number of reasons. Reach out to us Our customer support is available 7 days a week. The Heat Pump cannot handle this temp. For a better experience, please enable JavaScript in your browser before proceeding. After some research here it looks like the 4 degree difference is making the aux heat come on. Possible Reasons for the Honeywell Thermostat Not Turning On Heat Great. There is no reason to ever lock out the heat pump. Because consumers have many more auxiliary heat options to work with for augmenting heat pumps, this allows them to experience a winter or two in a milder climate zone without the feature before committing to the extra investment, whichever one it … As you might imagine, heat pump operation in cold weather is not the best, which is why they are typically only used in temperate climates...think beaches, palm trees, and oranges. on its own. Just for some background. The auxiliary water pump moves hot water or coolant that has recently circulated through the engine block to the heater core. However, aux heat always comes on during normal heat calls. When you install the sensor. Once this stops blinking, your thermostat should be able to maintain its heat setting again. I'll set the stat to stick with one temp and see how that works. The auxiliary heat will kick on if the heat pump needs additional heating capacity to meet your set temperature. You will not bring on the back up in defrost that way. Air filter is dirty: Air filters are put in place to catch dirt and debris, but when too much builds up, it can block airflow to the compressor, the part of the … I have fairly new (1 year old) Lenox (13 HPD Merit Series) A/C Heat pump 2 ton 13 seer unit w/ auxillary heat. But if the temperature is above the mid 30’s and it’s still running all the time, you could have a service issue, such as leaking refrigerant, a frozen outdoor unit (as we mentioned in heat pump troubleshooting problem #1), or compressor problem. Common problem in residential HVAC air handlers is the auxiliary heating has a contactor that will go bad and start making a loud buzzing noise. If you find that you continually need additional warmth in your home, contact your local, licensed professional HVAC dealer for a consultation. I went home for a minute and checked the t-stat settings. By the way, what is your opinion on Ritetemp stats? Limiting the use of auxiliary heat can be an effective means of saving money. Once the temps get lower, the aux heat will kick in on occasion to help the heat pump maintain my set point. 3. You can change it from the Nest app or from your thermostat. However, when the pump is not working, due to an electronics failure or the motor of the auxiliary pump being broken, the heater core will not be able to heat … EM heat is NOT the same thing as AUX heat: AUX heat signifies that your heat pump has automatically switched over to backup heating because temperatures are too low. I see mostly Carrier or Lennox heat pumps that use Honeywell t-stats. No-frills heat pump systems without the auxiliary heat capability sometimes make that feature an add-later option. Here, we discuss no-heat problems, not partial-but-insufficient-heat issues. If the heat pump fails you need the Aux heat. Your 2 ton should be able to do all the heating for a 800 sqare foot house down to 10 degrees or so depending on insulation and windows. We are using the Carrier programmable thermostat (66 at night, 70 in morning, 66 when we leave, 70 in the evening). The bill is much higher than last year. Don't run the stat wire for it near any high voltage wires, it will interfere with the stat. Be forewarned the air coming out of the registers is going to be COLD in defrost with no tempering. Personally. Using Auxiliary Heat with a Nest Thermostat If you have a central HVAC (heating / ventilation / air conditioning) system called a "heat pump", and live in an area where the temperature in the winter goes below about 50°F (or 10°C) then you probably have something called "emergency heat" or "auxiliary heat". For different cycles but they still run the aux lockout temperature is good to know that removing the wire... The tstat way, what is your opinion on Ritetemp stats if the heat pump 4. 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