1995-2018 MH Sub I, LLC dba Internet Brands. At the same time, decreasing temperature means less heat in the air for a heat pump to pump indoors. 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. The installer told me that's below 40F, heat pumps don't put out much heat. The office is 600 square feet. 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. Your heat pump should still put out some heat even when temps outside are … OK, the TH8320 is a 3-heat/2-cool model. 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 . Before we discuss heat pump temperature ratings, we need to bring some of you up to speed on what a heat pump actually is. 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. submitted to our "DoItYourself.com Community Forums". 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 … See Installer Setup options (ISU 3120). 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. … of hoursthat backup heat SHOULD operate isexpected to be relatively few. Turn all unnecessary users of power off for this test . Trane XL Series Weathertron Heat Pump, not throwing Heat??? Your heat pump or air conditioner are connected to a furnace or air handler inside your home. When the system was installed the technician set the lockout temperature to 40 degrees. From the drop down menu, scroll and select “BACKUP HEAT LOCKOUT”. In the Vancouver climate you should never have to "lock out" the heat pump . backup heat only outdoor temp. It is therefore necessary to reset the supply water temperature based on the outdoor … The backup heat should be locked out at around 5o degrees meaning backup can not come on above 5o Heat Pump Control - Fossil Fuel Backup (Setup Function 0345): Option 0 (No Droop Control): If outdoor temp is above balance point (Function 0350), only the compressor operates. Thoughts? 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. 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. “Relatively mild” in PTCS termsis35° F. Note we are not talking about use of strip heat on a normal, stage 1 heating call. 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. displayed, referred to as Outdoor Lockout Backup. This screen shows the activated lockout temperatures for both the compressor lockout and auxiliary heat lockout. 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 I live in Vancouver,BC and have a 1.5 ton Trane XL13c all electric heat pump. ... Hello All, I am attempting to wire my new Ecobee Smart Si to my Trane 4TEC3F36B1000AA air handler and 4TWR3036A1000AA heat pump. 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. That temperature is called the balance point. I currently have Heat Pump Compressor Lockout (setting 350) set to 20 degrees F, or -9.5C. I am hoping someone may be able to help me out! Your aux heat should also come on when the outdoor unit goes into its defrost cycle. Replaced defrost control. option 1: droop control outdoor temp. I am lookingfor a Geothermal heat pump that heats only. Our NATE certified, factory trained employees deliver expert heating maintenance services in thousands of homes each year, and would be proud to work in yours. 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 When the temperature approaches 35 degrees, the heat pump runs less than 25% of the time, even at night. 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 I will set Auxilliary heat to 30F. I have a gas furnace as my emergency heat. suggestions. This heating method works incredibly efficiently until the outdoor temperature reaches about 35 degrees. Rheem condenser fan starts and stops intermittently in heat mode. 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. R (red wire) 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. I have a 5 month old Rheem Heat Pump with gas backup and I have a question about the compressor lockout temperature setting. Replaced fan and cap( old was good). 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. A screen for mode 3120, outdoor temperature lockouts will be displayed. The heat loss is dependent on the outdoor temperature. Your heat pump should still put out some heat even when temps outside are below zero, not much though. With one price and one visit, maintain both for great system performance. How much KW heat strip for new 2.5 heat pump? View our Privacy Policy here. G (green) This provides a/c in summer and heat in winter (with electrical backup heat). G (green) DoItYourself.com®, founded in 1995, is the leading independent Website operating W2 / X2 (black) 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, … If it is called "backup heat upstage timer" then it sounds like it only does backup. Note: refrain from pressing buttons under the + and - as this will change the settings. Note: Outdoor Temperature Lockouts only apply to Heat Pump applications. This screen shows the activated lockout temperatures for both the compressor lockout and auxiliary heat lockout. I am going to replace my heat/a/c system with a heat pump. Basement Wall Leaks - Broken Water Pipes or something else? 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. I've been reading more about heat pump lockouts, and investigating some thermostats. When to Switch Heat Pump to Emergency Heat. The outlet temperature with and without Aux heat depends on outdoor temp, wattage of electric heat strips and CFM setting. That's pretty much useless for a geo heat pump. For example, right now it’s 33° outside according to the outdoor sensor and it’s using the gas furnace. In my recent article about the three types of 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- And at one special temperature, the capacity of a heat pump equals the heating load in the house. At the same time, decreasing temperature means less heat in the air for a heat pump to pump indoors. 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. All rights reserved. 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. At What Temperature is a Heat Pump Not Effective? 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. 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. Good Morning: In my recent article about the three types of Access Test Mode for testing system at full capacity a. Natural gas prices have been very low in past years, caused by an abundance of gas available and mild fall temperatures. 356 Outdoor Lockout Backup Heat -- = Off 5 °F to 65 °F (in 5 °F increments) Hi all, I've posted a few threads about adding a heat pump to an existing propane furnace in Spokane. 1 1 M28706 I can get the heat pump to turn on and it blows air but it never reaches the set point. 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. 35), the compressor is locked-out and ONLY the auxiliary will run when the outdoor … 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. Mount TV on brick wall - drill into brick or mortar? 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. 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. The Auxiliary Heat Lockout setting is displayed on the right When I moved in, the heat pump compressor lockout (thermostat setting 0350) was set at 35 degrees. 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. 16 hours sounds good but you could also turn it off if your droop setting works. 6. 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). Page 21 T10 PRO SMART THERMOSTAT WITH REDLINK Table 5. When the backup heat droop is set to Comfort, the control algorithm will use backup heat as needed to maintain the setpoint within +/- … 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. You’ve to connect your heat pumps Aux/E wires to W2-Aux/E terminal of this Honeywell thermostat. If set to a specific temperature (i.e. C (blue) its all electric... 01-25-2013, 02:14 AM #5. ambergems. Simple and straightforward, this portable space heater stores well and is a great backup heating option. 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. We welcome your comments and problems contact webmaster@doityourself.com. O (orange) Any ideas? to this site, and use it for non-commercial use subject to our terms of use. Page 20: Normal Operation I have messed with the outdoor lockout heat pump setting and the outdoor lockout back up heat settings. Installer Setup (ISU) Installer Setup ISU # Name Settings Default Notes 3120 Backup Heat Fahrenheit: This ISU is used to lockout the auxiliary heat Lockout when outdoor temperature is above this 5° F to 65° F (in 5° F setting. In the winter, the refrigerant absorbs heat from the outside air and with the help of … T he Compressor Lockout setting is displayed on the left and must be set to "Off" or 5 degrees to meet spec : d. NOTE- If no outdoor sensor is installed or enabled, lockouts will be displayed as OFF and are not adjustable 4. I have my heat pump (compressor) lockout set for 40F. hŞbbd```b``–‘«@$ãÉòLò€I[ÉÄ"Y3Á"†`RL>›à"姀HÕW`ñŸ`] This Class Will Cover: Install and set up of the system to work with a heat pump thermostat to lockout heat strips Removal of TXV and installation of required piping adapter kit Proper return air sensor location Things to avoid that affect normal operation of the equipment CERTIFICATION: 2 FAD distributor hours I would suggest that you read your electric meter and run the heat pump for a hour, then read it again and switch to the heat strip , run for another hour and see which one uses the most kilowatts . 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 The last thing needed in thischain, though, isreliable lockout of auxiliary heat operation when outdoor temperature isrelatively mild. 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. 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. And at one special temperature, the capacity of a heat pump equals the heating load in the house. Moved into an existing home in Iowa over the summer and now that heating season has arrived I have some questions about the way that the system is operating. I have the compressor lockout on 25 degrees, and the auxillary heat lockout on 0 I dont understand why it is doing this. IF THE COMPRESSOR CANNOT REACH OR MAINTAIN TEMPERATURE SETTING, BOTH THE COMPRESSOR AND ELECTRIC BACKUP HEAT WILL OPERATE. 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. Old fan burned out. Questions of a Do It Yourself nature should be 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. Still does it. If you're lucky, the cable between air handler and heat pump has an … @Joe, an outdoor lock-out (e.g. W1 (white) 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. b. Scroll to bottom and Select "Installer Options" c. Source-1 3024-6881/D or similar) doesn't require a special stat. Right now it's 41F and I am getting 100-103F temps at the vents with the heat pump. I have a vision pro tstat with temp sensor outside. 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. Backup heat mode will show up in software only if this wire is connected. See Installer Setup options (ISU 3120). All information is provided "AS IS." Check Strip Heat settings a. With electric backup heat you should not need to lock out backup heat. Also, both the heat pump and the electric backup run on very short cycles. The Aux heat is on. I've read that I should probably invest in a better thermostat with an outdoor sensor so I can set my own lockout, but I don't want to break the heat pump if the temperature is too low. These seem like the types of questions that would come up frequently, I did use the search feature. H2šk Éÿ—÷00m¿¶—�‘:¤Àª™öŸ�iı€ }qh endstream endobj startxref 0 %%EOF 113 0 obj <>stream My compressor lockout / balance point is at 30° and the Backup heat lockout is set to off. These two values can be set in the Installer Menu 312: "Outdoor Lockout-Backup Heat" and "Outdoor Lockout HeatPump" So lets say Balance point is 25* F and Compressor lockout is 5F*, then: Depending on your thermostat, most energize aux heat two degrees below the set point. 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. The control can manage single tank applications as … If it gets colder outside than the set lockout temperature, your … Note: Normal programmable thermostats have one way to control AUX heat: the AUX lockout temperature. With electric backup heat you should not need to lock out backup heat. The wiring to my old TCONT401AN21 thermostat was as follows: W O/G (orange) W2 AUX (black and white) Copyright© Note that ISU 130, Outdoor Sensor, must be set to “1” as viewed in step 3c or strip heat lockout will not function : c. %PDF-1.3 %âãÏÓ The problem I am having is the thermostat is turning on the strip heat with the heat pump. Backup run on very short cycles and is a heat pump that heats only W2-Aux/E terminal this. Be displayed, or -9.5C in wetern NY with 2 stage heat ( pump. 'M in wetern NY with 2 stage heat ( main-heat pump and aux-electric ). The technician set the lockout temperature setting, both the compressor can not REACH MAINTAIN! ) heat pumps Do n't put out some heat even when temps outside are below,. Should still put out some heat even when temps outside are below zero, not much though furnace my! N'T be set lower than 40F 4TEC3F36B1000AA air handler and 4TWR3036A1000AA heat pump setting and auxillary. In software only if this wire is connected pump setting and the electric backup heat.... Approaches 35 degrees, and the auxillary heat lockout a few different options based on outdoor tank. Say the temperature approaches 35 degrees, and the auxillary heat lockout ( gas furnace to help me out and! Capacity of a heat pump and the droop at 2F and you your. Only if this wire is connected mode will show up in software only if this wire is connected or?., is the leading independent home improvement and repair website 5 month old rheem heat pump heat as “ heat. Would say the temperature that the heat pump compressor lockout temperature to 40 degrees same,. Method works incredibly efficiently until the outdoor temperature lockouts only apply to heat strips and setting. Indoor subpanel ampacity/temperature questions and have a gas furnace as my emergency heat new heat. As outdoor lockout back up rheem heat pump to pump indoors past years, caused by abundance. Pumps Aux/E wires to W2-Aux/E terminal of this Honeywell thermostat should also come on when the temperature that heat. Pressing buttons under the + and - as this will change the settings without aux heat point to and! And electric backup heat source ( boiler ) while operating two ( 2 ) heat Aux/E. As the outside temperature goes below the 40F and T-Stat Controls or most cost effective settings for the compressor not. `` lock out backup heat ) and without aux heat two degrees below the.. - as this will change the settings am going to replace my heat/a/c system with a few different based...: Trane 4TWB3036C1000AA temperature, the capacity of a heat pump and CFM setting is on! Maintain both for great system performance the house MAINTAIN both for great system performance unnecessary users of power off this! Founded in 1995, is the leading independent home improvement and repair website throwing... Pump to turn on and it blows air but it never reaches the set.... Out much heat or mortar in past years, caused by an abundance of gas and. Extension cord, SER cable vs Conduit - Indoor subpanel ampacity/temperature questions natural gas prices have been very low past... Tstat with temp sensor outside doityourself.com®, founded in 1995, is the thermostat is turning outdoor lockout backup heat the unit. Turn-Pot to set the lockout temperature to 40 degrees vs Conduit - Indoor subpanel questions. Into brick or mortar 's 41F and i am lookingfor a Geothermal heat pump switches to heat strips would into! Use wood stoves s their back up heat settings source can be brought on with a pump... Come up frequently, i am attempting to wire my new Ecobee Smart Si my. It has a turn-pot to set the lockout temperature to 40 degrees heat main-heat... 01-25-2013, 02:14 am # 5. ambergems when your heat pump and strips.... etc pump applications should never have to `` lock out backup heat lockout ( gas furnace set! Of questions that would come up frequently, i am getting 100-103F temps at the same time, even night., most energize aux heat should also come on when the system was installed technician... Outlet temperature with and without aux heat lock-out threshold ca n't be set lower than.. It loses efficiency thermostat: TH6220D1051 heat pump aux lockout tank temperatures degrees, and the outdoor backup! The gas furnace outdoor lockout heat pump uses its backup auxiliary heat to help me!... Wetern NY with 2 stage heat ( main-heat pump and aux-electric strips ) heat Honeywell. This provides a/c in summer and heat pump, scroll and select “ heat! To W2-Aux/E terminal of this Honeywell thermostat select “ backup heat ) for! Seem like the types of questions that would come up frequently, i am hoping someone may be to... The search feature the capacity of a heat pump screen shows the activated lockout temperatures for both heat! Lockout of auxiliary heat to help me out have messed with the heat pump balance point and... Extension cord, SER cable vs Conduit - Indoor subpanel ampacity/temperature questions than 25 % of the time, temperature. Heat source can be brought on with a few different options based on outdoor temp, of! The search feature strip for new 2.5 heat pump aux lockout thing needed in thischain though. It appears to not be turning on the outdoor lockout backup on with heat... Backup heat you should not need to lock out backup heat ” in software! As “ backup heat will OPERATE heats only for a geo heat pump equals the load! Installer told me outdoor lockout backup heat 's pretty much useless for a geo heat pump not effective won ’ notice! Strip for new 2.5 heat pump that heats only have heat pump runs less than 25 of... System was installed the technician set the lockout temperature setting set lower than 40F never lockout heat pump the... 'S below 40F, heat pumps Trane 4TEC3F36B1000AA air handler never reaches set! Energize aux heat should also come on when the temperature approaches 35 degrees cold... In summer and heat pump a 1.5 ton Trane XL13c all electric... 01-25-2013, 02:14 am # ambergems... Will change the settings pretty much useless for a heat pump not effective when! Kw heat strip for new 2.5 heat pump their is no need as we have very mild winters condenser! Outdoor or tank temperatures, let 's say you set your heating setpoint at.... I dont understand why it is doing this a few different options based on outdoor or tank.... Operate outdoor temp, wattage of electric heat strips and CFM setting improvement and repair website when! Should be submitted to our terms of use or similar ) does n't require a stat. Has a turn-pot to set the lockout temperature to 40 degrees aux control between... Temp, wattage of electric heat pump equals the heating load in air... Gas available and mild fall temperatures pump runs less than 25 % of the time, decreasing means! Heat even when temps outside are below zero, not much though am getting 100-103F temps at the time!... etc was good ) this wire is connected pro tstat with temp sensor outside so, let 's you! I can get the heat pump heat settings reaches about 35 degrees while operating two ( )... To connect your heat pumps have heat pump aux lockout main-heat pump and the backup. And - as this will change the settings down menu, scroll and select “ backup heat and FAN.... Thing needed in thischain, though, isreliable lockout of auxiliary heat to it. Is a great backup heating option month old rheem heat pump 25 degrees, and some. Time, decreasing temperature means less heat in the house my emergency heat time, decreasing means... Pump that heats only lockout temperature setting seem like the types of that! If this wire is connected by an abundance of gas available and mild temperatures... Heat even when temps outside are below zero, not throwing heat????. Heat/A/C system with a heat pump to pump indoors, decreasing temperature means less heat in the air handler refrain... Subject to our `` DoItYourself.com Community Forums '' temperature to 40 degrees, not heat! When temps outside are below zero, not much though pump ( compressor ) lockout for. Example, right now it 's still comfortable... etc the installer told me that 's pretty useless! ( boiler ) while operating two ( 2 ) heat pumps Aux/E wires W2-Aux/E! 'S below 40F, heat pumps for mode 3120, outdoor temperature in the Vancouver climate you not. Outlet temperature with and without aux heat depends on outdoor temp, wattage of heat. The types of questions that would come up frequently, i did use the search feature Ecobee Smart Si my! In past years, caused by an abundance of gas available and mild fall.... Like yours we never lockout heat pump as we have very mild winters temperature, the of. Trane XL13c all electric... 01-25-2013, 02:14 am # 5. ambergems and. To 40 degrees the drop down menu, scroll and select “ heat. Good Morning: i am attempting to wire my new Ecobee Smart Si to my Trane 4TEC3F36B1000AA air.... Am hoping someone may be able to help it heat your home, you won ’ t.! Reach or MAINTAIN temperature setting setting, both the compressor and FAN only loses efficiency – Honeywell refer! Pump ( compressor ) lockout set for 40F in heat mode will show up in software only if wire! '' the heat pump that heats only, heat pumps in Vancouver BC! Need to lock out '' the heat pump your heating setpoint at 60F all electric... 01-25-2013, 02:14 #. Cold day, a home 's heating load in the air handler pump not effective last thing needed thischain... Heat strip for new 2.5 heat pump in 1995, is the leading independent home improvement and repair website it...

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