365. Issue #3: Trips Breaker or Freezes Up . Also on page 14 it tells you how to put the system in emergency heat. reads below 36F, no matter what the thermostat requests. Remote. Yes... we are 20 years old. On my system, they are set as follows: Option 08 = Of Option 09 = 45. Heat Pump Dual Fuel Control Yes, Logic Option - No Sensor Required or Outdoor Sensor Option - Outdoor Sensor Provides Outdoor Temperature Setting to Lockout the Heat Pump and Switch to Gas Heat Heat Pump Auxiliary Lockout Control - Outdoor Sensor Option I completely locked out the heat strips by setting the outdoor temperature threshold for aux heat to 25F and the minimum compressor outdoor temp to also 25. Unit is blocked: Your heat pump pulls heat from the air outside into your home. In the Residential portion of that code, I found this: Section 403.1.2: Heat Pump Supplementary Heat (Mandatory). Heat Pump Dual Fuel Control Yes, Logic Option - No Sensor Required or Outdoor Sensor Option - Outdoor Sensor Provides Outdoor Temperature Setting to Lockout the Heat Pump and Switch to Gas Heat Heat Pump Auxiliary Lockout Control - Outdoor Sensor Option Nest 3rd Gen & Ecobee 4 are the best smart thermostats for heat pump based systems. Get it as soon as Tue, Jan 12. We just put in new double-paned windows throughout, so it's holding heat really well, but drops from 70F to 60F without any heat over the night. Our 20th year anniversary is May 21, 2020. Heat pump cannot have a backup gas heating system. pump only. Luckily, the solution is simple. Installer setup Continued on next page . d. Auxiliary Heat Lockout must be set to ≤ 35 degrees to meet specification . How does your heat pump heat your house why do I have auxiliary heat? When the temperature approaches 35 degrees, the heat pump runs less than 25% of the time, even at night. heat when the outside temp is above 36 F. They claimed there is a separate lockout on the heat pump such that the aux. (Understandable from the heat pump alone and decreased efficiency with low outside temps, but the aux. based on outdoor temperature or on indoor heat differential, etc. Heat Pump Auxiliary Lockout. heat only when needed, and I can set it to be frugal with it to save on electricity, so I don't understand why this extra lockout would be in place. Heat Pump Repair Advice Advisory. I'm in WA state, and had a new heat pump w/ aux. Remote. Will start soon A five minute safety delay prevents the compressor from operating too soon after shut-down to allow internal pressures to equalize. Press question mark to learn the rest of the keyboard shortcuts. From here you can make sure the system is still set up as a heat pump, see what temperature is set to lockout the heat pump (hybrid heat; see page 12), check the status of the system, and bring up the last 10 faults. There is a 10 degree dead zone between the aux lockout and compressor lockout. As you can see in the heat pump efficiency outside temperature graph above (say that 15-times, fast!) heat, but I can't feel any extra heat coming out. Accessories Pumps, Cooling Towers, Evap Condensers, etc, Components Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. If the heat pump is not maintaining temp in the home when temps r above this then I would assume there is either a issue with the heat pump or sizing. Unless your wiring is off, Nest systems rarely give out AUX heat notifications for no reason. I'm using the Nest thermostat. Caution: any changes made will be permanent. They will work in tandem when the temperatures drop to … 0. Heat pumps use this heat being generated from the compressor to heat your house. Nest 3rd Gen & Ecobee 4 are the best smart thermostats for heat pump based systems. Either of these can be set to Off, or from 5-55F in 5 degree increments. Cookies help us deliver our Services. Auxiliary Heat Lockout (strip heat lockout) must be set to ≤ 35 degrees to meet PTCS specification : g. NOTE- If no outdoor sensor is enabled, lockout settings will not be displayed as selectable options : PTCS Heat Pump Thermostat Support Sheet : Manufacturer: Trane, American Standard : Thermostat Models: XL824, TCONT824, Gold XV, ACONT824, X L850, TCONT850, ACONT850 Platinum 850 , … Because heat pumps work by pulling heat from the air outside your home, the colder (specifically, temperatures below 40 degrees) that air is, the more difficult it is for your heat pump to operate this way. c. Click "Enable" to view the lockout settings. Talking to my HVAC company, they claimed WA state law prohibits turning on the aux. Skip to main content.us. The #1 question asked by NEW MEMBERS. Auxiliary heat lockout required. Clean off your heat pump and clear away any debris that may be blocking the way. It looks like outside temp between 20 - 25 is when my heat pump can’t do anymore but just run to maintain the temp. Page 25 COOL TO temperature. PTCS Heat Pump Thermostat Support Sheet . In heat mode, cold outdoor temperatures and high humidity cause frost accumulate. Mandatory ) tables below contain the lists of possible breakdowns which may happen with Rheem heat and. You won ’ t replace it start Yes Keypad lockout Total Set-Point temperature Limits Yes Display Type 5 in. Trust heat pump should still put out some heat even when temps outside are … heat pump: $:! With your Trane system, our Guide can help answer your questions lists... 1F83H-21PR... Pump can not be combined with other Energy Trust ’ s heat––it ’! 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