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  1. If I lived there I would have two and probably 3...

    If I lived there I would have two and probably 3 different heat sources.

    Mini split will struggle at those temps and that age of a home.



    Sent from my SM-G998U using Tapatalk
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    I live in California. My interior humidity is...

    I live in California. My interior humidity is 28%-38% most of the time.

    We dont even consider that humidity. There's nothing humidity about that. That's dry air....

    What humidity are you...
  3. Those pics don't show much of anything...can you...

    Those pics don't show much of anything...can you step away or zoom out so we can actually see the equipment the ductwork?
  4. Ridiculous.... Just call someone else. When...

    Ridiculous....

    Just call someone else. When they want to do single zones like that they don't understand the technology. Ive seen it said here in the forums too.

    If the home has restrictions...
  5. when i search zip code 20872 five elite...

    when i search zip code 20872 five elite contractors show up
  6. post pics of what you found...

    post pics of what you found...
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    that stuff in his hand doesn't warrant a furnace...

    that stuff in his hand doesn't warrant a furnace replacement. Ask them to come out a perform a combustion analysis to confirm that the heat exchanger is bad. they likely won't be able too but if they...
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    Attic fans/Gable fans dont work like people...

    Attic fans/Gable fans dont work like people think.

    Air takes the path of least resistance. it will pull the air from the ridge vent or vents down in the eves long before it will pull air through...
  9. Post some pics of the unit and ductwork

    Post some pics of the unit and ductwork
  10. What is your extreme low temp? Are you home...

    What is your extreme low temp?

    Are you home all the time? Or will leave the system on most of the time?

    How many zones are you planning on putting in?

    How many bedrooms is the home?
  11. Sorry wrong link ...

    Sorry wrong link

    https://www.mitsubishicomfort.com/get-started/contractors?gclid=CjwKCAjwwqaGBhBKEiwAMk-FtAnrm4mUl7j6k3m_o-9fGM-4RDHpwAv9NciqtmjBvbVsyvlRJ7vPvxoCc6QQAvD_BwE

    Sent from my...
  12. Diamond Elite Diamond Perferred Diamond ...

    Diamond Elite
    Diamond Perferred
    Diamond

    That the ranking structure based on sales, equipment registered, tech classes taken, warranty claims, tech tickets opened with tech support. Etc.

    If...
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    Bad practice to have take-offs that close to the...

    Bad practice to have take-offs that close to the coil. Way to turbulent. best to build a transition and then horizontal coil.

    Though I don't work on oil furnaces. Just assuming they are no...
  14. My guess is if the company wanted a very large...

    My guess is if the company wanted a very large sum of money to fix it there's more wrong than a couple control wires.

    Be Careful, I get zapped a few times a year it seems, just little stuff. But...
  15. I dont install many cassettes but im not aware of...

    I dont install many cassettes but im not aware of them running all the time. Typically there is a system in place to energize pump when water gets so high.
  16. We have very few rental properties here. I cringe...

    We have very few rental properties here. I cringe when they come in. Honestly if I lived in the city I would probably migrate to commercial. or leave the trade all together...
  17. on sales calls its like a few times a week easy....

    on sales calls its like a few times a week easy. Service not so much but there has been a few times when customers piss me off and I leave them high and dry. Actually, for your scenario I would have...
  18. make sure you dont have the zone wiring crossed....

    make sure you dont have the zone wiring crossed. easy to tell. leave one off. turn on the other and check the off one for evap getting cold.

    I don't know much about LG

    But I can tell you I've...
  19. Put it there facing the stairs so air actually...

    Put it there facing the stairs so air actually get pushed out of the boxed area its in. https://uploads.tapatalk-cdn.com/20210605/2b3313aceb705805735029f4242a82e5.jpg

    Sent from my SM-G998U using...
  20. Lol....SO mounting it higher somehow changes hot...

    Lol....SO mounting it higher somehow changes hot air will bounce off the wall in front of it....OK
  21. maybe....

    maybe....
  22. personally, I would recommend having a dedicated...

    personally, I would recommend having a dedicated unit for the upstairs great room.

    I put in the WR series for those applications. They are cheap and work extremely well.

    That said. I would...
  23. how does the downstairs connect to the top room?...

    how does the downstairs connect to the top room? stairs? is there a door that can be closed to isolate the top floor from the bottom floors?
  24. 230' max line set length, 82' for any single zone.

    230' max line set length, 82' for any single zone.
  25. Check and be sure the zones are wired properly....

    Check and be sure the zones are wired properly. Its pretty easy to have the zoned crossed and not know it heating. Bleed through refrigerant in heating will cause all zones to have heat in them so...
  26. those arent links...this is a link where that...

    those arent links...this is a link where that information is

    Mylinkdrive.com
  27. I do believe the PVA and PUZ models do. I haven't...

    I do believe the PVA and PUZ models do. I haven't installed the other two models.

    But whoever you call out to give you an estimate should have that info or be able to find out...
  28. Stick around and apply for pro membership. Tons...

    Stick around and apply for pro membership. Tons of information to learn in the pro forum that you cant see right now and we are limited to what we can post in open forum....
  29. Well yes and no.... Fujitsu tech support will...

    Well yes and no....

    Fujitsu tech support will know what pressure should be based on model/serial, zone sizes, and outdoor temp, clean condenser. Dip switches should allow the system to run in max...
  30. How much insulation value do you think a piece of...

    How much insulation value do you think a piece of duct tape has?
  31. stuff I cant get for 6 months right now..... ...

    stuff I cant get for 6 months right now.....

    Thank the china lab virus
  32. its in a cover. metal box that you build. just a...

    its in a cover. metal box that you build. just a little bigger than the branch box.

    My guys are doing one today and tomorrow. Maybe I can get picks that are a little clearer. maybe
  33. Thats a little strange. You sure that...

    Thats a little strange.

    You sure that compressor was running? I don't think it would run with only two wires....
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    I know for sure the resi units will never cool a...

    I know for sure the resi units will never cool a room to 34*. They will go into limp mode once suction temp gets to low(probably around 38*).....

    Maybe something in the commercial line. I dont...
  35. I sent it over to a service manager I know out...

    I sent it over to a service manager I know out that way.

    https://uploads.tapatalk-cdn.com/20210531/b909c449ee79fbbf11d9e3d331eb2c1f.jpg

    Sent from my SM-G998U using Tapatalk
  36. [emoji38] Sent from my SM-G998U using Tapatalk

    [emoji38]

    Sent from my SM-G998U using Tapatalk
  37. Mitsu does not approve the branch box to be in...

    Mitsu does not approve the branch box to be in certain positions. I cant remember but I believe this is one of them.

    We probably have 50 branch boxes in operation. What ever position makes it...
  38. :pop:

    :pop:
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    Ive never seen one even put out a supply air temp...

    Ive never seen one even put out a supply air temp lower than 45*. But I deal in resi....

    If anybody outside of a pro on here told me that I would say they are lying. When you get some data on it...
  40. Model /Serial number of equipment and controls...

    Model /Serial number of equipment and controls you are using....

    You already went to mylinkdrive.com and found the equipment?
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    A Mini-split keeps 34*?....What controller? what...

    A Mini-split keeps 34*?....What controller? what mini split?
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    78* Air conditioning 68* Heating Or something...

    78* Air conditioning
    68* Heating

    Or something close. 62* is way to cold for AC
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    Ive still never installed one or seen one in...

    Ive still never installed one or seen one in residential around here.
  44. Sure the temp rise you were experiencing wasn't...

    Sure the temp rise you were experiencing wasn't coming from the hole in the wall where your thermostat wires come out?

    I have a downstairs thermostat that is on a wall with a cassette ceiling....
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    Looks fine to me. My preference would have been...

    Looks fine to me. My preference would have been to shorten the whip. But thats just the way I like it to look.

    Do you have pics of the ductwork? Thats where most people make their mistakes
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    Looks Good.... Fan Coil, Package Units,...

    Looks Good....

    Fan Coil, Package Units, Furnace, not to hard to meet static budget. Soon as you add that external evap the game changes. For me, when I was doing them, I would try to get my return...
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    When you upload pics and its something hard to...

    When you upload pics and its something hard to see or I do it when I want the text to stay at the top I just pick one picture and send. It gives you the option to select size, pick the top...
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    pull the breaker in the panel and make sure its...

    pull the breaker in the panel and make sure its not bad where it connects to the panel.
  49. Apparently, my logic is wrong if they have a pan...

    Apparently, my logic is wrong if they have a pan extension for horizontal right applications...
  50. Truthfully, the application in which it is...

    Truthfully, the application in which it is installed would logically be less likely to experience blow off.....
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