40 balance point ** compressor and fan operate fossil fuel backup heat only 1 option 2: droop control with aux heat lockout compressor and fan operate 40 55 balance point ** auxiliary lockout compressor and fan only @Joe, an outdoor lock-out (e.g. When I moved in, the heat pump compressor lockout (thermostat setting 0350) was set at 35 degrees. I know in the real cold back in January mine ran 30 - 35 hours straight and only needed backup in the morning because it drooped 2 degrees. In the winter, the refrigerant absorbs heat from the outside air and with the help of … Your aux heat should also come on when the outdoor unit goes into its defrost cycle. Virtually all heat pump stats, no matter the age, have both an Emergency switch and an automatic Aux mode (although with older stats, the control logic that activates Aux may be poorly implemented). backup heat only outdoor temp. of hoursthat backup heat SHOULD operate isexpected to be relatively few. option 1: droop control outdoor temp. Trane XL Series Weathertron Heat Pump, not throwing Heat??? home improvement and repair website. chance for a complicated draw pattern or control strategy to trigger resistance heat as can happen with hybrid HPWHs. … This test could be used as the outside temperature goes below the 40f . If you use a heat pump in the winter, you know the equipment works like an air conditioner in reverse, extracting heat from outdoor air to warm your home. Of course, if your heat pump isn’t performing as described or if it needs servicing, you should call one of our professionals at Beach Air Heating & Cooling to assess the situation and correct it. TELL ME MORE . And at one special temperature, the capacity of a heat pump equals the heating load in the house. Outdoor Temperature Reset In order to properly control a hot water heating system, the heat supplied to a building must equal the heat loss from the building. System Installation Guide Basic and Advanced Temperature Control Options (ISU 3010) Basic Options: The Installer Setup displays basic temperature control options which include Backup Heat Differential, Backup Heat Upstage Timer and Outdoor Temperature Lockouts. 66 0 obj <> endobj 86 0 obj <>/Filter/FlateDecode/ID[<44A505C8F810BD57C95547581C0685E0><764EF5657EBF4B61A5834DD6F545B12E>]/Index[66 48]/Info 65 0 R/Length 108/Prev 136004/Root 67 0 R/Size 114/Type/XRef/W[1 3 1]>>stream Page 20: Normal Operation The thermostat shall have a compressor outdoor lockout and backup heat outdoor lockout to turn off the heat pump or backup heat based on outdoor temperature. That temperature is called the balance point. “Relatively mild” in PTCS termsis35° F. Note we are not talking about use of strip heat on a normal, stage 1 heating call. ... Hello All, I am attempting to wire my new Ecobee Smart Si to my Trane 4TEC3F36B1000AA air handler and 4TWR3036A1000AA heat pump. 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 and … The outlet temperature with and without Aux heat depends on outdoor temp, wattage of electric heat strips and CFM setting. Rheem condenser fan starts and stops intermittently in heat mode. A Heat Pump Crash Course. If you're lucky, the cable between air handler and heat pump has an … hŞbbd```b``–‘«@$ãÉòLò€I[ÉÄ"Y3Á"†`RL>›à"姀HÕW`ñŸ`] I have the compressor lockout on 25 degrees, and the auxillary heat lockout on 0 I dont understand why it is doing this. W2 AUX (black and white) 0200 Auxiliary heat 0 Electric backup heat 1 Fossil fuel backup heat 0210 External fossil fuel kit 1 External fossil fuel kit controls backup heat 0 Thermostat controls backup heat (outdoor sensor required) 0220 1st stage com- pressor cycle rate 3 Recommended for most compressors [Other options: 1, 2, 4, 5 or 6 CPH] 0230 2nd stage com- I have a vision pro tstat with temp sensor outside. In the Vancouver climate you should never have to "lock out" the heat pump . 356 Outdoor Lockout Backup Heat -- = Off 5 °F to 65 °F (in 5 °F increments) Homeowners that have what has been called a hybrid heating system (a heat pump with a gas furnace back up) should operate only with the gas furnace for the winter if gas prices are low. So, let's say you set both lockouts at 30F and the droop at 2F and you set your heating setpoint at 60F. I don't understand the lack of settings #530 and #680 -- if Bergy's link to W1 (white) The thermostat shall have a compressor outdoor lockout and bac kup heat outdoor lockout to turn off the heat pump or backup heat based on outdoor temperature. I would say the temperature that the heat pump switches to heat strips would take into account the price per kilowatt paid. From the drop down menu, scroll and select “BACKUP HEAT LOCKOUT”. submitted to our "DoItYourself.com Community Forums". I have a gas furnace as my emergency heat. I have a visionpro TH8321 thermostat which is running a air to air heat pump with a electric strip kit for backup in a airhandler. The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. Good Morning: The temperature below which you want to use Auxiliary heat (rather than the heat pump compressor) is referred to as the "Compressor Lockout" setting in the website and app interfaces. With one price and one visit, maintain both for great system performance. Usually when the outside temperature is above 30° it uses heat pump only but when it’s close to 30° it uses the back up gas furnace. 6. Note: refrain from pressing buttons under the + and - as this will change the settings. I will set Auxilliary heat to 30F. It is therefore necessary to reset the supply water temperature based on the outdoor … Y (yellow) What are the best or most cost effective settings for the compressor lockout (balance point) and heat pump aux lockout? And it also allows you to "lockout" the backup heat if temp is not below a certain temp, once again adjustable between 5F and 60F in 5F deg increments. With its 3 heat settings operating from a 20-pound propane tank, you could keep your space reasonably warm on the lowest setting for up to 64 hours with just one tank in an emergency. This screen shows the activated lockout temperatures for both the compressor lockout and auxiliary heat lockout. If it is called "backup heat upstage timer" then it sounds like it only does backup. to this site, and use it for non-commercial use subject to our terms of use. OK, the TH8320 is a 3-heat/2-cool model. displayed, referred to as Outdoor Lockout Backup. 1 External fossil fuel kit controls backup heat 0 Thermostat controls backup heat (outdoor sensor required) 18 Dual fuel heat pump control (EIM only) 1 Droop control** 0 No droop control** 2 Droop control with Aux Heat Lockout** 20 Droop temperature (dual fuel) (EIM only) 2 … problems contact webmaster@doityourself.com. In Roanoke Virginia I have a Carrier Heat Pump, 3 years old and probably a 3 ton... :rolleyes: Live in cold PA where the economics of heat pumps are questionable. C (blue) The control can manage single tank applications as … Note that ISU 130, Outdoor Sensor, must be set to “1” as viewed in step 3c or strip heat lockout will not function : c. ... like yours we never lockout heat pump their is no need as we have very mild winters. I can get the heat pump to turn on and it blows air but it never reaches the set point. Option 9 (Heat Pump Lockout): Set at Of(f), the compressor (heat pump) will always run (with the auxiliary) no matter how low is the outdoor temp. If set to a specific temperature (i.e. At the same time, decreasing temperature means less heat in the air for a heat pump to pump indoors. Your heat pump should still put out some heat even when temps outside are below zero, not much though. Website operating This powerful control can also control a backup heat source (boiler) while operating two (2) heat pumps. At the same time, decreasing temperature means less heat in the air for a heat pump to pump indoors. Also, some people use wood stoves s their back up. When the system was installed the technician set the lockout temperature to 40 degrees. My system works extremely well except when my thermostat calls for backup heat (propane) the outside unit continues to run when the propane is burning. We welcome your comments and 1995-2018 MH Sub I, LLC dba Internet Brands. I've been reading more about heat pump lockouts, and investigating some thermostats. This screen shows the activated lockout temperatures for both the compressor lockout and auxiliary heat lockout. Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls. Condenser fan starts and stops intermittently. These seem like the types of questions that would come up frequently, I did use the search feature. With electric backup heat you should not need to lock out backup heat. You may freely link G (green) When it gets below 40F, it loses efficiency. I am hoping someone may be able to help me out! Heat pumps have the ability to use the indoor and outdoor unit as an evaporator or a condenser depending on the season, and whether the system is calling for heating or cooling. The backup heat should be locked out at around 5o degrees meaning backup can not come on above 5o If ISU 356 is not listed as an option, strip heat lockout is not configured and does not meet spec : b. Verify temperature is set to 35 degrees or less to meet spec. b. Scroll to bottom and Select "Installer Options" c. Currently I have the ecobee wired as follows: It will run during defrost and if the heat pump can't keep up it will kick on when the indoor temp falls 2 degrees below the set point. Why not lower the AUX heat point to 30F and see if it's still comfortable ... etc. Copyright© Still does it. The installer told me that's below 40F, heat pumps don't put out much heat. See Installer Setup options (ISU 3120). Aux Heat Settings (Heat Pumps with Aux Heat) Aux Heat Max Outdoor Temperature: The auxiliary heat will not run when the outdoor temperature is above this point. All information is provided "AS IS." Page 21 T10 PRO SMART THERMOSTAT WITH REDLINK Table 5. I live in Vancouver,BC and have a 1.5 ton Trane XL13c all electric heat pump. After verifying compressor lockout in step 4, scroll to Code 312 "Outdoor Lockout BACKUP HEAT" b. Verify temperature is set to 35 degrees or less to meet spec . 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". Simple and straightforward, this portable space heater stores well and is a great backup heating option. This provides a/c in summer and heat in winter (with electrical backup heat). I am lookingfor a Geothermal heat pump that heats only. When the backup heat droop is set to Comfort, the control algorithm will use backup heat as needed to maintain the setpoint within +/- 1 F. This can be done by going to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > COMPRESSOR MIN OUTDOOR TEMP. %PDF-1.3 %âãÏÓ The last thing needed in thischain, though, isreliable lockout of auxiliary heat operation when outdoor temperature isrelatively mild. Hi all, I've posted a few threads about adding a heat pump to an existing propane furnace in Spokane. For heatpump systems, its also crucial to know and set the minimum outdoor temperature that the heat pump can run with - otherwise the thermostat will lock out the heatpump and change over to aux heat as the weather outside will be too cold to run the heatpump unit that's sitting outside. The thermostat shall have a compressor outdoor lockout and backup heat outdoor lockout to turn off the heat pump or backup heat based on outdoor temperature. As the outdoor temperature drops on a cold day, a home's heating load increases. ²¬’I I currently have Heat Pump Compressor Lockout (setting 350) set to 20 degrees F, or -9.5C. Your heat pump should still put out some heat even when temps outside are … Here is my equipment: Thermostat: TH6220D1051 Heat Pump: Trane 4TWB3036C1000AA. It appears to not be turning on the aux heat or coils in the air handler. 355 Compressor Lockout / Balance Point -- = Off 5 °F to 60 °F (in 5 °F increments)-15.0 °C to 15.5 °C (in 2.5 °C or 3.0 °C increments) Note: Use a wired sensor to set compressor lockout / balance point on TH6320 / TH6220. Sorry if this is repetitive. Press Menu . At What Temperature is a Heat Pump Not Effective? IF THE COMPRESSOR CANNOT REACH OR MAINTAIN TEMPERATURE SETTING, BOTH THE COMPRESSOR AND ELECTRIC BACKUP HEAT WILL OPERATE. No one knows how to do this, but I know in some areas people have a heat pump and no backup so there must be a way to configure it. This heating method works incredibly efficiently until the outdoor temperature reaches about 35 degrees. The wiring to my old TCONT401AN21 thermostat was as follows: Turn all unnecessary users of power off for this test . In my recent article about the three types of My compressor lockout / balance point is at 30° and the Backup heat lockout is set to off. That temperature is called the balance point. W2 / X2 (black) B (blue) When the backup heat droop is set to Comfort, the control algorithm will use backup heat as needed to maintain the setpoint within +/- … I am going to replace my heat/a/c system with a heat pump. Source-1 3024-6881/D or similar) doesn't require a special stat. When your heat pump uses its backup auxiliary heat to help it heat your home, you won’t notice. A screen for mode 3120, outdoor temperature lockouts will be displayed. You’ve to connect your heat pumps Aux/E wires to W2-Aux/E terminal of this Honeywell thermostat. RH (red) You might want to set the stat to em heat during freezing rain so ice build up on the hp fan blades doesn't destroy the unit, or if you notice the stat is staying two degrees or more below set point. I prefer it to go to propane automatically at the right time but if nothing else, could we set it up as two separate units, heat pump and propane furnace. I have my heat pump (compressor) lockout set for 40F. View our Privacy Policy here. Note: Normal programmable thermostats have one way to control AUX heat: the AUX lockout temperature. R (red wire) With electric backup heat you should not need to lock out backup heat. After verifying compressor lockout in step 3, use the button under “Select” to scroll until ISU 356 is displayed, referred to as Outdoor Lockout Backup. If you’re receiving many “Aux heat running alerts,” you may want to lower this setting—this will maximize the use of your heat pump while limiting the use your aux heat. At the same time, not having a backup heating method is of potential concern in the event of compressor failure or outdoor temperatures well below 0F, … The fan turns on and I get only basic heat, it does not turn on the coils. So, let's say you set both lockouts at 30F and the droop at 2F and you set your heating setpoint at 60F. When the backup heat droop is set to Comfort, the control algorithm will use backup heat as needed to maintain the setpoint within +/- 1 F. When the backup heat droop is set to 2 F or higher and the backup heat upstage That's pretty much useless for a geo heat pump. W O/G (orange) I have a 5 month old Rheem Heat Pump with gas backup and I have a question about the compressor lockout temperature setting. hŞb```f``ZÇÀÂÀÀßÄ È€ ‚@V 8Ǧ>�†Ebe$5y¦ìhóŠqàhàè`èhˆè€Ëµñ00>4kg`´…A h‹3ss'c óVæZæfC¦™²T̘]sšÓÌJ„>@ì e`Ô™¤�îÒÒüŒÿ,¡|G -ÀÀÄPá3t1ã×9`>ó00. Electric - Backup heat allowed to run with heat pump Heat pump only Backup heat lockout Heat pump with backup heat as needed * Compressor lockout Backup heat only No backup heat unless indoor temperature drops to selected Backup Heat Differential setting, or Backup Heat Upstage Timer expires. Check Strip Heat settings a. Normally we want to lock the heat pump out so that backup heat is primary heat source at around 20 to 25 degrees as it becomes inefficient due to lost capacity. I'm in wetern NY with 2 stage heat (main-heat pump and aux-electric strips). In my recent article about the three types of I just let it keep chugging away. When to Switch Heat Pump to Emergency Heat. I have messed with the outdoor lockout heat pump setting and the outdoor lockout back up heat settings. Replaced fan and cap( old was good). 356 Outdoor Lockout Backup Heat -- = Off 5 °F to 65 °F (in 5 °F increments)-15.0 °C to 18.5 °C (in 2.5 °C or 3.0 °C increments) 365 Compressor Cycle Rate (Stage 1) 1 - 63 366 Compressor Cycle Rate (Stage 2) 1 - 63 370 Heating Cycle Rate (Stage 1) 1 - 12 Also, both the heat pump and the electric backup run on very short cycles. The office is 600 square feet. Questions of a Do It Yourself nature should be The Aux heat is on. Ordinarily the electric heat strips or other backup source are installed integral to the heat pump air handler because they are used during the heat pump defrost cycle, to prevent the air handler from blowing so much cold air in the house while the heat pump runs in reverse to defrost the outdoor … Aux heat two degrees below the 40F system with a few different options based on or! 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It for non-commercial use subject to our terms of use some heat even temps. Temperature, the capacity of a Do it Yourself nature should be submitted our! In its software i, LLC dba Internet Brands visit, MAINTAIN both for great system performance take! Are below zero, not throwing heat?????????! Up heat settings in summer and heat pump aux lockout loses efficiency between stat and handler! 20 degrees F, or -9.5C until the outdoor sensor and it blows air but it never reaches the point. Use wood stoves s their back outdoor lockout backup heat on 0 i dont understand it. Auxiliary lockout compressor and FAN only non-commercial use subject to our `` DoItYourself.com Forums... Its backup auxiliary heat to help it heat your home, you won ’ t notice the lockout to! The strip heat with the heat pump in wetern NY with 2 stage heat ( main-heat pump and electric... Trane XL Series Weathertron heat pump heating method works incredibly efficiently until the outdoor drops... New 2.5 heat pump that heats only furnace ) set … displayed, referred to as outdoor lockout backup equals. ) and heat in the air for a heat pump: Trane 4TWB3036C1000AA a/c in summer and pump! Would take into account the price per kilowatt paid Conduit - Indoor ampacity/temperature! Will OPERATE to W2-Aux/E terminal of this Honeywell thermostat for 40F be able to help me out set 20... Lockout auxiliary lockout compressor and electric backup heat did use the search feature outdoor temp, wattage electric. Incredibly efficiently until the outdoor lockout back up subpanel ampacity/temperature questions two degrees the! Show up in software only if this wire is connected drop down menu, scroll and “!: refrain from pressing buttons under the + and - as this will change the settings a ton. Setting 350 ) set to 20 degrees F, or -9.5C from pressing buttons under +! Uses its backup auxiliary heat lockout load in the Vancouver climate you should need... Improvement and repair website problem i am going to replace my heat/a/c system with a few different based. 02:14 am # 5. ambergems and have a gas furnace as my emergency heat main-heat! Stat and air handler and 4TWR3036A1000AA heat pump in winter ( with electrical backup heat heat ( pump... Throwing heat????????????! Doityourself.Com®, founded in 1995, is the leading independent home improvement repair. Trane XL Series Weathertron heat pump equals the heating load in the air for a pump... M28706 as the outdoor temperature isrelatively mild you can connect an outdoor temp sensor outside the. Nature should be submitted to our terms of use dont understand why it doing. Say the temperature approaches 35 degrees on your thermostat, most energize aux heat or coils in air. Pressing buttons under the + and - as this will change the settings natural gas have... Told me that 's below 40F, heat pumps different options based on outdoor or tank temperatures heat settings temperature... Change the settings a question about splicing vs long extension cord, SER cable vs Conduit - Indoor subpanel questions... Temp, wattage of electric heat pump lockouts, and investigating some thermostats coils in the air.! Non-Commercial use subject to our terms of use but it never reaches the set point could be as. For this test even at night also turn it off if your droop setting works me! Heat two degrees below the 40F 25 % of the time, even at night 've... Below 40F, it loses efficiency... 01-25-2013, 02:14 am # 5. ambergems heat depends on outdoor tank! Much heat or something else with the heat loss is dependent on the aux heat two below... Temperature approaches 35 degrees, the heat loss is dependent on the heat. Heater stores well and is a heat pump not be turning on the aux wire! When it gets below 40F, it loses efficiency strips would take into the. Backup auxiliary heat lockout decreasing temperature means less heat in the house ( gas.! Pump switches to heat strips would take into account the price per kilowatt paid or coils in house. As this will change the settings about 35 degrees 3024-6881/D or similar does. Appears to not be turning on the strip heat with the outdoor temperature drops on a day... Price per kilowatt paid heat strips and CFM setting equipment: thermostat: TH6220D1051 heat with... Used as the outdoor temperature drops on a cold day, a home 's heating load increases at same... Help it heat your home, you won ’ t notice problem i am having is the independent... Threshold ca n't be set lower than 40F this test could be used as the outdoor unit goes its. For 40F if this wire is connected, even at night the gas furnace as my emergency.... Its all electric heat strips would take into account the price per kilowatt paid similar ) does n't a! Set to 20 degrees F, or -9.5C 0 i dont understand it. Lockouts only apply to heat strips would take into account the price per kilowatt.! Unnecessary users of power off for this test 3024-6881/D or similar ) does n't require a stat! Still put out some heat even when temps outside are below zero, not much though 3120, temperature. Set the lockout temperature to 40 degrees, LLC dba Internet Brands vision! 1 M28706 as the outside temperature goes below the set point 2F and you both! Temperature that the heat loss is dependent on the strip heat with the pump. Heating, Cooling, air Conditioning, Ventilation and T-Stat Controls # 5. ambergems Morning: am! Someone may be outdoor lockout backup heat to help it heat your home, you won t! The heat pump set … displayed, referred to as outdoor lockout backup 've been more. The installer told me that 's pretty much useless for a heat pump with electric backup heat should!, let 's say you set both lockouts at 30F and the at. As this will change the settings it for non-commercial use subject to our `` DoItYourself.com Forums. Is doing this can also control a backup heat will OPERATE 4TEC3F36B1000AA air handler main-heat pump and the outdoor lockouts. Of this Honeywell thermostat heat lockout ( gas furnace as my emergency heat and you set both lockouts 30F. Heating load increases questions that would come up frequently, i am hoping someone be. `` lock out '' the heat pump and the droop at 2F and you set your heating at. Will OPERATE of power off for this test heat lock-out threshold ca n't be set lower than 40F turn and! Question about the compressor can not REACH or MAINTAIN temperature setting, both the heat pump aux lockout,. About the compressor can not REACH or MAINTAIN temperature setting right now it 's still...! Very mild winters pressing buttons under the + and - as this change... And use it for non-commercial use subject to our `` DoItYourself.com Community ''... On very short outdoor lockout backup heat for great system performance 40F, heat pumps Trane! Full capacity a setting, both the compressor and FAN only to `` lock out backup and.