Make sure your thermostat is set to heat. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. 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). That is good to know that removing the W wire won't harm anything. Opting for a chillier home can oftentimes make a major difference in whether your auxiliary heat constantly runs or not. 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. Electricity use is way to high this way. I missed the 40deg. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Helping You to Do It Yourself! 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. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. 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). I have a Honeywell Th8000 series thermostat. Awesome info. rates have went up. But heat pumps also have one huge benefit that furnaces lack: Easiest thing would be to just buy the outdoor sensor and adjust from that,others can probably give you more advice on the programming. If you find that you continually need additional warmth in your home, contact your local, licensed professional HVAC dealer for a consultation. 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. It generally takes 30 minutes for the defroster to do its job, but it needs air flow to do so. Closed heat registers can cause other issues, as well. Thanks for the help. Replaced the Ritetemp because touch screen went out. 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. I've been having the same issue with my heat pump. In defrost the aux will come on to keep from blowing cold air in the home. Disconnect W on the heat pump. Here, we discuss no-heat problems, not partial-but-insufficient-heat issues. AUX heat turns on to keep you warm. Therefore, if it’s below 40 outside and the auxiliary heat isn’t working, then your heat pump will just blow lukewarm or cool air. The problem could be your thermostat settings. As we all know, the aux heat uses about 3 times the power per btu than the heat pump. 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). The one I had was nice until the touch screen went out. If you do need to switch to emergency heat, contact an HVAC professional as soon as possible to get your heat pump working again. Last year I also had a Rite Temp t-stat that did not use the aux heat nearly as much as the current honewell. Reply: Anon Since emergency heat is done/controlled from the E terminal. Personally. No you don't want to remove it from the thermostat. Then we explore the furnace issues that can also cause no heating at all. WHY ISN'T MY HEAT PUMP HEATING OR COOLING PROPERLY? Temps right now are around 20 at night and 30-31 during the day. with electric heat you should basicly run unrestricted. 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. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. JMO. After some research here it looks like the 4 degree difference is making the aux heat come on. I live in Southern TN and it doesn't get too cold. 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. This winter is colder than last year. If the heat pump fails you need the Aux heat. Once you feel the heat coming from your return vent, head outside to observe that metal cabinet. Marty disconnect W on the outside unit or at the tstat? It should also come on when the heat pump can't keep up with the heat requirements. 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. To limit auxiliary heat and lower your heating costs, a critical first step is to set a lower indoor temperature. The auxiliary water pump moves hot water or coolant that has recently circulated through the engine block to the heater core. I have fairly new (1 year old) Lenox (13 HPD Merit Series) A/C Heat pump 2 ton 13 seer unit w/ auxillary heat. Defrost is basicly the same thing as running the a/c in the summer untill the coil is thawed. You will not bring on the back up in defrost that way. 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 … 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. I had a new installed Carrier 38QRR heat pump (& FV4B air handler) installed in SEP 2009. The auxiliary heat is staying on about 80-90% of the time. Ok so 250 and 270 are the same but you can set them for different cycles but they still run the aux. I agree the IAQ is the T-stat I should have. 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. Wku, Before you unhook your aux. The auxiliary heat is staying on about 80-90% of the time. Your first stage heat is your heat pump. There’s 2 ways to prevent the auxiliary heat from running on that stat. The part that gets me worse is that the aux heat comes on to even keep it a 70. Sometimes thermostats will display “auxiliary heat” or “aux heat” on the wall display in your home when this occurs. Save yourself money by keeping your thermostat setting on “Heat” during the winter. Therefore, if it’s below 40 outside and the auxiliary heat isn’t working, then your heat pump will just blow lukewarm or cool air. A Heat Pump System is really not good for a climate like the one you are in. 1. In any case, always keep an eye on your auxiliary/strip heat status in the winter. Limiting the use of auxiliary heat can be an effective means of saving money. This will manually change the setting of your thermostat to a higher temperature than the outdoors. This indicates a safety timer has been tripped to protect your thermostat's compressor. The bill is much higher than last year. After several minutes the auxiliary heat kicks in even when temps are moderate 30 degrees and above. 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. This tells the stat that there is no auxiliary heat. So 85-92°F feels cold to new heat pump owners. 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." Be forewarned the air coming out of the registers is going to be COLD in defrost with no tempering. It is really too cold for a heat pump. Possible Reasons for the Honeywell Thermostat Not Turning On Heat Here, we discuss no-heat problems, not partial-but-insufficient-heat issues. Once this stops blinking, your thermostat should be able to maintain its heat setting again. Add a few layers to your outfit or sleep with an extra blanket to keep your furnace from working so hard. If it is operating and you don’t pay a gas or propane bill, you most likely have a heat pump! When switching your unit to emergency heat, you’re forcing the backup heat system to do all the work. Knowing the difference between your heat pump’s auxiliary heat and emergency heat will help address the question from above. 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. Difference Between Auxiliary Heat and Emergency Heat. Disconnect W on the heat pump. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! 220 says 1st stage compressor cyc. foot single story home with a 2 ton unit. heat is on. So, your heat pump switches to “AUX heat” when it’s in heating mode—and you’re wondering if it’s normal. Once the temps get lower, the aux heat will kick in on occasion to help the heat pump maintain my set point. Thanks. 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. Auxiliary heat uses electric resistance heating, which is much less efficient than your heat pump. Emergency Heat is typically triggered when it is 35°F and below outside. 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. As long as you reset it if your going away for any length of time(weekend, week etc). You are right about the Rite Temp. Blocking air increases the air pressure in your air ducts, which may both cause and worsens airflow leaks—particularly at joints and seams. 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. Ideally I would rather the heat strips not come on until absolutely neccessary. It is so cold. heat is kicking in, which is normal. 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. 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. Ok thanks. I created this video with the YouTube Video Editor (http://www.youtube.com/editor) You can change it from the Nest app or from your thermostat. I see mostly Carrier or Lennox heat pumps that use Honeywell t-stats. 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 … When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. Thermostat is working correctly, wondering what component in the compressor unit is controlling the activation of the auxiliary heat. Aux Heat mode means that heating is generated by a secondary (i.e. An outdoor thermostat is a cheap option to consider. 2. Once the ice on the heat pump has mostly melted, the heat pump goes back to normal and AUX heat turns off. 3. A Heat Pump System is really not good for a climate like the one you are in. 2. That is why both the Heat Pump and the Aux. Is the aux running with the HP or by itself? I would really like the IAQ but I can't buy it right now. You will not bring on the back up in defrost that way. 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. The auxiliary heat setting is more energy and cost-efficient than emergency heat. Heat pumps do run longer and put out less heat as compared to a furnace. rate : is that for the compressor when it is on air conditioning or does that include heat also for heat pump? Don't run the stat wire for it near any high voltage wires, it will interfere with the stat. The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. on its own. You can change it from the Nest app or from your thermostat. If the heat pump fails you need the Aux heat. Temps right now are around 20 at night and 30-31 during the day. 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. Aux heat. We are using the Carrier programmable thermostat (66 at night, 70 in morning, 66 when we leave, 70 in the evening). Blocking heating vents causes your furnace to work harder and longer than intended and can shorten its life. 1. If so what would be the best way to bypass the aux. If the temps don't get below 32 is there any reason I can't just run off of the heat pump? Heat Pump Stuck in Aux Heat Mode. 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. Our unit maintains a set point temp of 70 degrees when it's 10 degrees outside without using aux heat. My aux heat is attached to W on the t-stat. I am not 100% sure but I believe with the pump on. I think I can get more out of my heat pump than that. Get the installation instructions and change the system designation to “1 heat, 1 cool” heat pump. These address the case when you get no heatting at all, not the scenarios where you experience some but not enough heat. 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. Your auxiliary heat, as just described, supplements your heat pump’s heat when it needs it. 1. Can hook it up to break aux from the indoor stat so it can't run below x degrees. heat? Is there a wire I can remove at the T-stat instead like the Aux wire or ?. Setting the lockout temperature is important if you want to minimize the use of AUX heat. However, aux heat always comes on during normal heat calls. There is no reason to ever lock out the heat pump. 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. 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