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  1. Replies
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    Don't know what a T80 is. We use White Rodgers...

    Don't know what a T80 is. We use White Rodgers stats. Model # starts 1F something usually.
  2. Last tech that called Ecobee left name and number...

    Last tech that called Ecobee left name and number and as far as I know never heard back. Didn't used to be like that.
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    The Comfort line is American, the CH series which...

    The Comfort line is American, the CH series which is for RNC and mutli family though certainly finds its way in to residential, is Mexican. The CH series isn't on Carrier's website last I knew. Took...
  4. It is common for a furnace to require 3" pipes...

    It is common for a furnace to require 3" pipes but have 2" openings. Redo the termination so the exhaust isn't picked up by the intake.
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    Amazing that Dumb Valve still works

    Amazing that Dumb Valve still works
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    Those hotels? PTACs, cheap ones. There is a...

    Those hotels? PTACs, cheap ones.

    There is a new Drury Plaza Hotel near me with VRFs and a high end boutique hotel near work that also has VRFs. It's usually high rise high end hotels that have...
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    Tech needs to see if a stat is sending a signal...

    Tech needs to see if a stat is sending a signal for heat that it shouldn't be or if a relay stuck on the panel asking for heat. Tap on the case of the control and if heat shuts off, sticking relay....
  8. Usually electronic stats only run the humidifier...

    Usually electronic stats only run the humidifier when the heat is on.
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    I'd prefer medium and less rise.

    I'd prefer medium and less rise.
  10. We don't service that far south but I referred...

    We don't service that far south but I referred him to a Bryant dealer in his area. Too bad that techs, especially the young ones, are after replacements and don't want to repair older units.
  11. Sure. They just need to turn the fan on.

    Sure. They just need to turn the fan on.
  12. I tried to look it up on the Bryant dealer site,...

    I tried to look it up on the Bryant dealer site, no luck.

    Seems to me a smart tech can make a generic sequencer work although that is a relic.
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    Going smaller is fine, bigger not fine!

    Going smaller is fine, bigger not fine!
  14. Yup. I lived in an apartment with a fan coil for...

    Yup. I lived in an apartment with a fan coil for a couple years. My stat was more modern than yours but also line voltage. The T6069 models are line voltage.
  15. There's already a thread about this in the AOP...

    There's already a thread about this in the AOP forum. Check it out.
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    Sounds like they were too lazy to do it or didn't...

    Sounds like they were too lazy to do it or didn't know how. I'd get them back and have it hooked back up.
  17. Theoretically if a new house was well built, it...

    Theoretically if a new house was well built, it shouldn't need a humidifier. 53% RH is above what is recommended for even mild weather. I'd hold off and monitor the humidity as it gets colder and see...
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    At 19° I would expect the heat pump to run...

    At 19° I would expect the heat pump to run constantly to maintain 71° in the house. The electric heat may be coming on occasionally to help out or the pump may be keeping up on its own.
  19. Got this from the tech rep: The 4PXC**U for up...

    Got this from the tech rep:

    The 4PXC**U for up flow/down flow/horizontal with a kit. Primary design is up flow with the coldest refrigerant feeding on the inside of the a-coil slabs.
    The 4PXC**D...
  20. I would say that's fine.

    I would say that's fine.
  21. BNME, I could be remembering it backwards....

    BNME,

    I could be remembering it backwards. Been a while since I was at that class. I shot an email to our tech rep to see what the skinny is. They don't stock that coil but did have a few 2 ton...
  22. The S8X1 40K can be had in a 14" wide with 3 ton...

    The S8X1 40K can be had in a 14" wide with 3 ton drive or 17" wide 2 ton drive. Go figure. They probably don't have a match with the B width furnace and the A width coil. Why would you put a narrower...
  23. I think that is a Aprilaire 600M with a slightly...

    I think that is a Aprilaire 600M with a slightly modified look.
  24. Some are shutting off at 0 or so. Rheem/Ruud is,...

    Some are shutting off at 0 or so. Rheem/Ruud is, AS/Trane does on the single stage. Trouble with hitting the low pressure switch and locking out. Easy for them to do it since they have an outdoor...
  25. The Vision Pro series can be wireless. There's a...

    The Vision Pro series can be wireless. There's a few things it won't do but with the EIM, it will do a lot. Certainly control hum, dehum, ventilator, etc. May not work with Redlink accessories...
  26. Glad it worked out Droo! Since this is messing...

    Glad it worked out Droo!

    Since this is messing with the FER ratings, they probably have to keep it quiet. Just a guess.
  27. I'd say heating. More extreme conditions,...

    I'd say heating. More extreme conditions, weather, defrosts are hard on it.
  28. The system can have wireless sensors to average...

    The system can have wireless sensors to average temps. I average between a wireless sensor and the one in the stat.
  29. Yes, the Prestige is top of the line. The T...

    Yes, the Prestige is top of the line. The T series is the more affordable units with lots less capability. The Prestige IAQ comes with the equipment module which allows it to control so many things.
  30. Prestige IAQ. Requires 2 wires from stat to...

    Prestige IAQ. Requires 2 wires from stat to equipment module at zone panel. It will control dehumidifier and lots more. Would require separate internet gateway for WiFi.
  31. Replies
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    Oversized unless you are on the top floor of a...

    Oversized unless you are on the top floor of a poorly built building. The non ducted return is probably the biggest culprit. I assume it is in a closet with a louvered door?

    The speed could be...
  32. Replies
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    If the compressor dropped from start to "normal...

    If the compressor dropped from start to "normal levels" sounds like it IS running & pumping. Unless he meant dropped to 0 amps after trying to start. Then it's locked up.
  33. See if the condo maintenance man will install it...

    See if the condo maintenance man will install it for you if you get your own. Slip him a bill or 2 :D
    ...
  34. Found his email, missed it yesterday, and...

    Found his email, missed it yesterday, and replied. Take him under a minute and you'll have cooling speed for constant fan.
  35. Sounds like the Unico installation was far from...

    Sounds like the Unico installation was far from the instructions. There's a minimum number of runs per ton. There's sound attenuating 2" duct to help quiet it down. Your contractor must not be versed...
  36. It involves wiring, not the setup menu.

    It involves wiring, not the setup menu.
  37. I have a solution. My email is in my profile....

    I have a solution. My email is in my profile. Have your installer email me from his company email and I'll let him know one way of handling it.

    The new FER regulations on electric use by the...
  38. Carrier does that. Drops R when the limit opens....

    Carrier does that. Drops R when the limit opens. Why is the limit opening? Oversized furnace comes to mind.
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    I'm guessing there is zoning and the panel is...

    I'm guessing there is zoning and the panel is what is shutting off the HP. I agree with you, lack of airflow. Wonder why the return was so high? HP could shut down on high pressure though only an...
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    Gotta look at the National Fuel Gas Code tables...

    Gotta look at the National Fuel Gas Code tables to know if single wall or double wall is required to the furnace. Definitely in a cold space but in a basement, depends on BTUs, flue size & height.
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    Doesn't sound right. I don't recall how many...

    Doesn't sound right. I don't recall how many posts you need before you can put pictures up. You can put them on Flickr or other picture page and link to them.
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    The refrigerant scam was mfrs getting greedy....

    The refrigerant scam was mfrs getting greedy. They saw a way to gouge us but it backfired. Price of 22 went through the roof, all these "alternatives" came along and 22 sales tanked. Now, 22 seems to...
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    The manual says there is an outdoor thermistor so...

    The manual says there is an outdoor thermistor so the system knows whether to run the compressor as 1st stage or go straight to electric. Again, usually its around 30° when the comp is locked out.
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    Venstar made for Totaline for a long time. As I...

    Venstar made for Totaline for a long time. As I understand, they had a contract that they couldn't sell under their own name for so long and it expired so they started marketing under their name too.
  45. They can advertise in big letters, 10 year parts...

    They can advertise in big letters, 10 year parts warranty, and put with registration in the fine print. We've found that rarely are units registered so the makers are really making out like bandits....
  46. Replies
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    There are some that don't. Venstar, who makes for...

    There are some that don't. Venstar, who makes for Totaline (Bryant/Carrier) use triacs that are silent.

    https://venstar.com/
  47. If you have enough wires from Ecobee to furnace...

    If you have enough wires from Ecobee to furnace to A/C so that the Ecobee handles staging between 1 and 2 on both furnace & A/C, stay with it. The furnace has a timer to stage but that reduces winter...
  48. Vision Pro or Prestige IAQ. The Vision Pro needs...

    Vision Pro or Prestige IAQ. The Vision Pro needs no wires from it to the equipment module at the furnace, the Prestige needs 2. You would need 3 or 4 wires to outside, not sure what Lennox takes....
  49. With temps in the 60s, there is little need for...

    With temps in the 60s, there is little need for cooling but great need for dehumidification. A ventilating whole house dehum makes sense. It will keep the humidity down and bring a little fresh air...
  50. Looks like a 2.5 ton air handler. Usually those...

    Looks like a 2.5 ton air handler. Usually those combis have some BTUs behind them. Probably is water temp issue.
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