Condenser fan starts and stops intermittently. And at one special temperature, the capacity of a heat pump equals the heating load in the house. When the backup heat droop is set to Comfort, the control algorithm will use backup heat as needed to maintain the setpoint within +/- … our backup heat is electric. its all electric... 01-25-2013, 02:14 AM #5. ambergems. TELL ME MORE . 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. My compressor lockout / balance point is at 30° and the Backup heat lockout is set to off. Note that ISU 130, Outdoor Sensor, must be set to “1” as viewed in step 3c or strip heat lockout will not function : c. … 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. 1 1 M28706 I have a 5 month old Rheem Heat Pump with gas backup and I have a question about the compressor lockout temperature setting. 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. When the temperature approaches 35 degrees, the heat pump runs less than 25% of the time, even at night. It appears to not be turning on the aux heat or coils in the air handler. 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. 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. With electric backup heat you should not need to lock out backup heat. H2šk Éÿ—÷00m¿¶—�‘:¤Àª™öŸ�iı€ }qh endstream endobj startxref 0 %%EOF 113 0 obj <>stream W2 / X2 (black) 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 … Replaced fan and cap( old was good). 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 G (green) This heating method works incredibly efficiently until the outdoor temperature reaches about 35 degrees. 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 At the same time, decreasing temperature means less heat in the air for a heat pump to pump indoors. 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. Turn all unnecessary users of power off for this test . option 1: droop control outdoor temp. Basement Wall Leaks - Broken Water Pipes or something else? Mount TV on brick wall - drill into brick or mortar? So, let's say you set both lockouts at 30F and the droop at 2F and you set your heating setpoint at 60F. 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. suggestions. 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. ... Hello All, I am attempting to wire my new Ecobee Smart Si to my Trane 4TEC3F36B1000AA air handler and 4TWR3036A1000AA heat pump. Source-1 3024-6881/D or similar) doesn't require a special stat. Question about splicing vs long extension cord, SER cable vs Conduit - Indoor subpanel ampacity/temperature questions. 2 Outdoor control sensor (select heat pumps) ** See page 11 3 Indoor sensor 0350 Heat pump compressor lockout 0 No heat pump compressor lockout [Other options: 15, 20, 25, 30, 35, 40°F (-9.5°C to 7°C)] 0360 Heat pump auxiliary lockout 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. 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. I will set Auxilliary heat to 30F. A screen for mode 3120, outdoor temperature lockouts will be displayed. The backup heat should be locked out at around 5o degrees meaning backup can not come on above 5o Aux/Emergency Heat – Honeywell thermostats refer to Aux/Emergency heat as “backup heat” in its software. Press Menu . hŞbbd```b``–‘«@$ãÉòLò€I[ÉÄ"Y3Á"†`RL>›à"姀HÕW`ñŸ`] 35), the compressor is locked-out and ONLY the auxiliary will run when the outdoor … problems contact webmaster@doityourself.com. @Joe, an outdoor lock-out (e.g. The Auxiliary Heat Lockout setting is displayed on the right 1995-2018 MH Sub I, LLC dba Internet Brands. IF THE COMPRESSOR CANNOT REACH OR MAINTAIN TEMPERATURE SETTING, BOTH THE COMPRESSOR AND ELECTRIC BACKUP HEAT WILL OPERATE. 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. 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. 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. O (orange) I would say the temperature that the heat pump switches to heat strips would take into account the price per kilowatt paid. Page 21 T10 PRO SMART THERMOSTAT WITH REDLINK Table 5. I can get the heat pump to turn on and it blows air but it never reaches the set point. Website operating When it gets below 40F, it loses efficiency. You’ve to connect your heat pumps Aux/E wires to W2-Aux/E terminal of this Honeywell thermostat. G (green) Note: Normal programmable thermostats have one way to control AUX heat: the AUX lockout temperature. Yeah that is a problem, I wouldn't sell one to someone without telling them there will be cool and drafty times In the first house my wife and I built it had perimeter heat which is unheard of down here, I only wired in 5 kw of heat on a 5 ton system, there was a vent by my side of the bed, on cold mornings I could tell real close to how cold it was by hanging my hand in front of the vent I have the backup heat lockout (gas furnace) set … 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 See Installer Setup options (ISU 3120). 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. 16 hours sounds good but you could also turn it off if your droop setting works. If set to a specific temperature (i.e. What are the best or most cost effective settings for the compressor lockout (balance point) and heat pump aux lockout? C (blue) 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. I have a Lennox HP26-036-12P (manufactured January of 2003) air source heat pump with a Lennox CB19-41 … Sorry if this is repetitive. It has a turn-pot to set the cut-out temperature and simply interrupts the Aux control wire between stat and air handler. Any ideas? Y (yellow) I currently have Heat Pump Compressor Lockout (setting 350) set to 20 degrees F, or -9.5C. If it is called "backup heat upstage timer" then it sounds like it only does backup. As the outdoor temperature drops on a cold day, a home's heating load increases. 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 . View our Privacy Policy here. 6. All rights reserved. I don't understand the lack of settings #530 and #680 -- if Bergy's link to All information is provided "AS IS." 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. 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. That's pretty much useless for a geo heat pump. Questions of a Do It Yourself nature should be If you're lucky, the cable between air handler and heat pump has an …

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