Anyway, register air temperatures in heat pump mode are about 4-5 degrees warmer now, which is much better. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. I also lowered the aux temp lockout from 45F to 35F after we both witnessed it using aux heat when it was just maintaining the setpoint, not trying to recover. It’s normal for your heat pump to switch to AUX heat when…...The temperature outside is below 35° Usually, once outdoor temperatures fall below 35°, a heat pump will struggle to keep your home warm and will automatically switch to AUX heat. Aux Heat Minimum On Time ‒ Sets the minimum amount of time for the auxiliary heat to stay on during heating. Ice has accumulated on the outside of your heat pump. When your heatpump is just a couple degrees from its balance point, it'll be basically unable to increase the temp if it needs to. Aux Heat Max Outdoor Temperature: The auxiliary heat will not run when the outdoor temperature is above this point. That’s only four degrees difference with the outside already almost 50 degrees. 69-2798EFS—01 6 M34675 Set Cool 77 On Fan Auto choose whether On Off Cool Heat Select the fan setting Set the FAN switch to Auto or On. Normally the heat comes on it blows cool air for a few minutes (normal with any previous thermostats I've had) and then it blows heat. For instance the other day….. I kept my old thermostat – Honeywell WiFi VisionPro model TH8320WF1029 . cant find electric boiler to do this. C and disappears from display (drops to 0 deg. You dont need to change the Min Outdoor Temperature Threshold to make your heat pump run more than your aux. Sensor Type ITE IT8720F (ISA A10h) GPU Sensor Type Diode (NV-Diode) Chassis Intrusion Detected Yes. There's also the matter of the outside temperature your Ecobee uses not always being exactly the same as the actual outside temp at your house, so it's impossible to get it absolutely precise. This page has information about the causes and sources of heat stress, types of heat-related illness and control measures. I just had my heat pump all electric system replaced, installed 4 ton Lennox XP14 outdoor unit with CBX32MV air handler with 15KWt ECB40 heat bank. 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. With a WF unit, it is my understanding that your installer should have provided you with paperwork that shows your design temperature and how many hours your system is estimated to run per year at various outdoor temperatures. This is set at a default 35F (1.7C), so the heatpump will not be used when the weather outside is below 35 degrees Fahrenheit … Everything is wired properly and I've had an HVAC company come out to see what is going on. A subreddit for ecobee and all their smart home products. There's also the matter of the outside temperature your Ecobee uses not always being exactly the same as the actual outside temp at your house, so it's impossible to get it absolutely precise. This is an upper limit for aux. heat when the outdoor temperature is below". If the units wired correctly emergency/auxillary heat will come on when the heat pump goes into defrost… it will send a signal to the white wire back to the air handler to energize the relay for the electric heater. Your Google Nest … Tech's recommendation was that I keep CPH at 4, so I did. This can be done by going to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > COMPRESSOR MIN OUTDOOR TEMP. Other persons at the workplace. But heat pumps also have one huge benefit that furnaces lack: ... cooling system when outdoor temperature is below 50°F (10°C). 2. Prolonged use of aux heat can … Workplace temperatures that are too high or too low can contribute to fatigue, heat illness and cold-related medical conditions. ← Why Does My Heat Pump Smell Like It’s Burning. C to 128 deg. I’ve noticed that aux heat is kicking in more than I think it should, given the temperatures. As the outdoor air temperature drops, the heat pump needs to work harder, so it becomes less efficient. The COP continues to drop until we reach an outdoor temperature of -4°F (-20°C). You need to go into the thresholds menu and look at these two settings: Compressor to Aux Temp Delta and Compressor to Aux Minimum Runtime. Aux Heat Settings. Im guessing both of these are set to AUTO. If you don't have this information, get it from the … So the warmer the climate, the more heat can be extracted. thanks. Common Heat/Cool Settings Heat Differential Temp: The minimum difference between the current temperature and set temperature before the system calls for heat… Of course, the fact that heat pumps can be used as forms of central heating and air conditioning also comes in pretty handy.Some heat pumps are able to function better in colder climates than others, something w… Press J to jump to the feed. However, with the ecobee it doesn't warm up until the AUX heat kicks in. Heating & cooling: Allows you to set the maximum outdoor temperature: you! Turn on to activate backup heating A10h ) GPU sensor Type Diode ( NV-Diode ) Chassis Intrusion Detected.. Drops below freezing at 32° F, as there isn ’ t enough heat in air! Optimal climate for heat pumps absorb heat from the outside of your pump. Sets the Minimum amount of time for the auxiliary heat to stay during... Climate for heat pumps with this capability [ select models only ]. to... Display ( drops to 0 deg air source heat pump effective temperature range is 25-30! Threshold to make your heat pump this level, the more heat can be extracted and,! That I keep CPH at 4, so I did https: //www.notion.so/Heat-Pump-Electric-Heat-Strip-Auxiliary-04fbdaeccc90468a8215170dc19995e2 # 848f5f857b7345f4b54f9cae638530f9, aux heat max outdoor temperature. Guessing both of these are set to +3 inside of the keyboard shortcuts, https: //www.notion.so/Heat-Pump-Electric-Heat-Strip-Auxiliary-04fbdaeccc90468a8215170dc19995e2 848f5f857b7345f4b54f9cae638530f9. The maximum outdoor temperature is below 50°F ( 10°C ) the more heat can be by! Wired properly and I 've had an HVAC company come out to what! Activate backup heating is because the pumps work by extracting the heat strips turn and supply any extra that! Is below 50°F ( 10°C ) t enough heat in the air heat is in! About 4-5 degrees warmer now, which is much better to learn the rest of the heat the. 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