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  1. I changed the defrost temp to 90 F @ the...

    I changed the defrost temp to 90 F @ the icomfort wi fi stat.. Low set point set @ 13 F . When the electric utility finally figures out what rate I can have (probably interruptible) I will probably...
  2. Energy used for defrost also has to be factored...

    Energy used for defrost also has to be factored into this. In the Lennox product specifications Bulletin No. 210583 for xp21 page 30 the 6th line down (AHRI reference 5272240) there are 2 COP listed...
  3. Dan where is this attachment data from? Some of...

    Dan where is this attachment data from? Some of this doesn't match the figures I found from Lennox.
  4. The COP s that I listed here in your quote of...

    The COP s that I listed here in your quote of mine are from Lennox and reflect defrost @ 50F and all motors and controls.
  5. This is very helpful. I can set the defrost temp...

    This is very helpful. I can set the defrost temp @ the icomfort wi-fi stat.Sounds like I should try a low set point of someware near 33 F and a defrost temp of 60 F , if I end up using the...
  6. No.I do know the diffrence. Thanks for trying to...

    No.I do know the diffrence. Thanks for trying to help.O
  7. OUTDOOR temp at 47 F dry bulb with a 70 F...

    OUTDOOR temp at 47 F dry bulb with a 70 F entering indoor coil gives a COP of 3.1 and includes defrost ect,. Outdoor temp at17F dry bulb with 70 F entering indoor coil gives a COP of 2.38 and...
  8. I think that my electric rate may end up being...

    I think that my electric rate may end up being .09175 per KWH for interruptible service. Gas cost is around .958 per therm.Low set point should be 34 F or 35 F using a 50 F defrost. If the defrost...
  9. I hope they wont want to just rise the defrost...

    I hope they wont want to just rise the defrost temp ,that will kill the efficiency.
  10. It is posable that he resent snow storm of 6" to...

    It is posable that he resent snow storm of 6" to 8" of snow may have blocked off the first 6" to 8" of coil , allowing that portion of the coil to get the ice on it. The defrost wasn't able to...
  11. The contractor will be here friday. I am hopping ...

    The contractor will be here friday. I am hopping that someone could shed some insight. I have no issue with the thermostat.That way I may be able to have some suggestion or question for him when he...
  12. Lennox XP21 heatpump has 6"-8" of ice not removed by defrost mode

    The heat pump when first installed at the end of December would heat the house by its-self without much if any help from the furnace with an outside temp of 15 to 24 F . Now it has to have help from...
  13. My Lennox icomfort disconnects from server also

    I have the same problem. I am using an apple airport extreme Wi-fi. I have contacted Marvin at Lennox , He is working on a fix . But none yet.I have tried many things to fix it and haven't been...
  14. Lennox icomfort wi-fi stat not staying conected to lennox server...HELP

    It stays connected to my Wi fi router ( new updated Apple airport extreme ). I have just tried to run it on the guest network, which didn't work either. We have 2 iPads , 2 iPhones and a iPod, that...
  15. dan sw fi , Can you please find and send me the...

    dan sw fi , Can you please find and send me the chart for XP21-48 Heat pump with a CX34-62C cased indoor coil. Please, Please Please. And thank you so very much for the help. My floor has no...
  16. The outside temp is 14-17 and the heat pump is...

    The outside temp is 14-17 and the heat pump is keeping up without help from the furnace, but its calm winds and sunny. I will watch for the furnace help to heat to set thermostat temp and cut the...
  17. I now have to pick low set point for heatpump.

    I have ordered an electric meter with schedule D1.7 rate, time of day for space conditioning and water heating. I wont be using it for water heating. Only the heat pump will be using it. Should I cut...
  18. It turns out that yes it's the junction box.

    It turns out that yes it's the junction box.
  19. Just small box 1" x 1" I think about 3 inches...

    Just small box 1" x 1" I think about 3 inches long With a few wires coming out of it Attached to the side of the furnace. I do not know how to post pictures. You can find it in the Lennox 98...
  20. What is a interior make a box mounted on the outside of new LEnnox gas 98 furnace?

    Installer removed it and Left a lot of holes in the upper chamber where the Gas valve is. I see condensation leaking from the exhaust blower. PVC was insulated with flex duct with The inside removed...
  21. Lennox optional outdoor air sensor and Discharge air sensor with 98 and xp21 HP ?

    What advantages will I have using these two optional sensors with my new Lennox furnace and XP 21 Heat pump and icomfort Wi-Fi touch thermostat? My heatpump is on the south side of the house in the...
  22. My current Standard residential Electric rate is...

    My current Standard residential Electric rate is 11 .915 cents, hour for the first 17 kWh Per day, for additional kilowatt hours per day it's 13.6 cents per kilowatt. I need to know what is cheaper,...
  23. Interruptible costs between June and October are...

    Interruptible costs between June and October are 11.368 cents per kilowatt hour and November through May is 9.175 cents per kilowatt hour. Time of day rates are 13.48 cents per kilowatt hour June...
  24. They had a scale. She ( one of the installers)...

    They had a scale. She ( one of the installers) told me that 19 ounces were added. The heat-pump came per charged with 13 pounds. The use of that coil called for an additional 1 pound 5 ounces and the...
  25. I calculated in the extra line set also. 3 ounces...

    I calculated in the extra line set also. 3 ounces per 5' for beyond 15'.
  26. I need help choosing electric service and heat pump set points with my new Lennox 21

    I am not sure of the electric service interruptible or time of day for space conditioning that I need to use for the separate meter. I also need to know what outdoor temp to lockout the heat pump...
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