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  1. Replies
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    I've had a pair of the temp/humidity probes and...

    I've had a pair of the temp/humidity probes and the hot wire probe for a month now. Found them useful in educating my customers on changing there filters and fixing their duct work. I had a unit that...
  2. I prefer multiple units which is available from...

    I prefer multiple units which is available from any manufacturer including Mitsubish. Someone here may be able to take care of it for you. You'll need a detailed layout of the home including window...
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    Both delays start counting at the same time so it...

    Both delays start counting at the same time so it doesn't add up unless someone used the wrong delay in the condenser. As long as it's maintaining setpoint I wouldn't worry about it. It would s...
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    684

    Waiting status usually means the system is in...

    Waiting status usually means the system is in delay after short cycling. Does it prevent the system from maintaining set point?
  5. No load calc, no sale. Keep searching for...

    No load calc, no sale. Keep searching for competent contractors or hire an engineer or architect to do it. It will be money well spent. It's very easy to pencil whip a load calc to match a...
  6. 42,000 is probably fine for heating, but in your...

    42,000 is probably fine for heating, but in your climate 42,000 BTU is too much cooling capacity by more than 50% at least. As I said in my previous post the application is not ideal for a mini...
  7. Sizing an air conditioner based solely on room...

    Sizing an air conditioner based solely on room size is like sizing someone's shoes based on solely their height. They're not directly correlated at all.

    If you have 39000 BTUH in a home in...
  8. Replies
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    It's very possible that the installation was done...

    It's very possible that the installation was done improperly before you got into the house. Do you know which model you haven't? I have an NP180A with internal recirc that has worked great minus a...
  9. Its probably as big a step as me rebuilding an...

    Its probably as big a step as me rebuilding an engine. I might be able to get it done but not without spending way too much time, money, bloody knuckles and wishing I had taken it to a pro. Duct...
  10. Almost every single component is shared between...

    Almost every single component is shared between the xv18 and xv20 with the exception of the top. The only reason there's a price difference is because the compressor is warranted for an extra 2 yrs....
  11. It needs a software update. Go to Trane.com for...

    It needs a software update. Go to Trane.com for instructions and download the update to an SD card. Your contractor should have done that for you when he replaced the tstat. I think we're on version...
  12. +1 The Mitsubishi uses proprietary...

    +1

    The Mitsubishi uses proprietary communications to operate. The Honeywell is for conventional 24v systems only.
  13. After the system cycles off on heat or cool it...

    After the system cycles off on heat or cool it runs a minimum of 2 min. purge cycle before energizing any modes. Purge time is adjustable to 3.5 or 5 min.
  14. Replies
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    438

    The amber light is next to the plug, not on the...

    The amber light is next to the plug, not on the main display. If the main display is lit up and the first green LED is flashing when the fan is on than it is set up properly.
  15. Replies
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    Haven't seen that fault yet and we have over 20...

    Haven't seen that fault yet and we have over 20 of them out in the field. Could be the current sensor giving a false ground reading, or just a fluke.
  16. Yeah those shops are a cancer in this trade....

    Yeah those shops are a cancer in this trade. Bunch of goons forced into selling contactors, float switches and time delays to get a pay check but couldn't begin to explain how an air conditioner...
  17. This is the most ridiculous post I've ever seen....

    This is the most ridiculous post I've ever seen. 140k a year for maintenance techs? I'm a lead tech so I should expect up to 500k right?
  18. Why not use the Honeywell tstats with the built...

    Why not use the Honeywell tstats with the built in wifi? You can put them all on one TotalComfort Connect account. https://www.forwardthinking.honeywell.com
  19. Replies
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    1,361

    The whole structure of home warranty work is to...

    The whole structure of home warranty work is to do as little as possible as cheaply as possible and that's it. They are a plague on every skilled trade. Fire them and hire someone competent to...
  20. Replies
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    The most comprehensive alert code list is in the...

    The most comprehensive alert code list is in the service facts for the TAM8 airhandler.
  21. Replies
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    Please for the love of God just get an oem start...

    Please for the love of God just get an oem start kit for it before doing anything else!
  22. Replies
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    1,663

    The Focuspro wireless would need the gateway for...

    The Focuspro wireless would need the gateway for wifi access. The Honeywell wireless stuff has been bullet proof for me. We do lots of wireless zoning with them.
  23. Replies
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    You need to adjust gas pressure at the meter or...

    You need to adjust gas pressure at the meter or just have the gas company do it like I did. I have an NP180A that does the same thing occasionally but I'm sure it's a venting issue. Just need to get...
  24. Sometimes there is an issue with how files get...

    Sometimes there is an issue with how files get written to the SD card if you move it or copy it from another disk. When you download it you need to do it directly to the card, so you need to do...
  25. Replies
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    3,196

    No issues with mine in fact it has exceeded my...

    No issues with mine in fact it has exceeded my expectations but I also spent a a lot of time designing and building my duct system and doing a heat load calculation which is really key to any systems...
  26. I'll help with what I can. Requested capacity and...

    I'll help with what I can. Requested capacity and compressor speed are not directly correlated. Compressor speed is rated at RPM and requested capacity is by BTUH. As long as the system was charged...
  27. Replies
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    3,196

    It's impossible to know whether the valve was bad...

    It's impossible to know whether the valve was bad in the box or something happened at installation. That being said, replacing the valve is a minor repair and doesn't warrant scrapping an entire...
  28. Replies
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    The crawl space needs to be completely sealed....

    The crawl space needs to be completely sealed. The RH in there will get into the 90's if the vents aren't closed and there's no vapor barrier. Once it's sealed I would recommend a new DH though just...
  29. maybe it could work but by the time you modify...

    maybe it could work but by the time you modify either the panel or the coil piping to get everything reconnected and support the coil if its horizontally mounted the money saved on the goodman coil...
  30. Replies
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    I have a Sruface pro and a windows phone so count...

    I have a Sruface pro and a windows phone so count me in the small market share that wants this!
  31. The compressor is not running when called for and...

    The compressor is not running when called for and it sees no difference between the saturation and suction sensor.

    Edit: Damn too late! but yeah, that will through in a wrench in your diagnostics...
  32. Replies
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    The modules from the Gentech Evergreen motor work...

    The modules from the Gentech Evergreen motor work great too and often are the same price or less than the OEM module alone and available at pretty much every supply house. Match the HP of course....
  33. Thanks Timebuilder, that's the most concise...

    Thanks Timebuilder, that's the most concise description anyone has laid out on that topic. Basically the 180 degree phase difference can only be considered an inversion and not a separate phase...
  34. Replies
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    Drill to the center of the earth and make peace...

    Drill to the center of the earth and make peace with the subterranean lizard people in hopes that they will help us overthrow the Obama administration so we can finally get REAL president?
  35. Replies
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    No the question is, why is this posted in a...

    No the question is, why is this posted in a technical forum?
  36. Apologies to the OP for the derailment. The...

    Apologies to the OP for the derailment. The importance of understanding electrical theory can't be overstated in this trade, so keep it up. Sometimes the difference between a good tech and a great...
  37. If you were to take a voltage reading between...

    If you were to take a voltage reading between capacitor common and the " run" side of the contactor, what would it read?
  38. Other than the obvious function of providing...

    Other than the obvious function of providing power to the the fan and herm terminals there is nothing that can be done on the capacitor common that can't be done from the contactor terminal that the...
  39. Common on the capacitor is nothing more than an...

    Common on the capacitor is nothing more than an extension or hub of the Line voltage that the run windings connect to.
  40. Also despite the terminology, 240v single power...

    Also despite the terminology, 240v single power has 2 distinct phases. I will never understand that, I just accepted it and moved on lol
  41. Common on the cap is common only for the cap. It...

    Common on the cap is common only for the cap. It is completely unrelated to the motor commons.
  42. Replies
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    That is baffling. Does the sound disappear...

    That is baffling. Does the sound disappear immediately after the condenser shuts off continue for a few seconds? It may be originating in the condenser or the air handler. Which thermostat do you...
  43. Just remember that there is no Common winding,...

    Just remember that there is no Common winding, only start and run. The run winding gets supplied with 120v and the common supplies the other line of 120. The start winding is fed voltage that goes...
  44. Replies
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    Where do you live and what temperature are you...

    Where do you live and what temperature are you trying to maintain in the afternoon?
  45. Replies
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    Holy sweet baby jesus... They really jammed 4...

    Holy sweet baby jesus... They really jammed 4 rotary comps into this thing! lol I don't know guy's I mean it was cooling, maybe these guy's are the smart ones. That thing is an engineering marvel IMO.
  46. Replies
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    Just because the air handler says 3621 in the...

    Just because the air handler says 3621 in the number doesn't mean it's not a 3.5 ton system. The condenser is what determines the bulk of of the system capacity and yours is 3.5 tons.

    Since the...
  47. Replies
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    The condenser is 3.5 tons and the air handler is...

    The condenser is 3.5 tons and the air handler is 3 tons nominal but is still a rated match for that condenser.
  48. Replies
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    Do not use the SUPCO start kit it is a cheap 2...

    Do not use the SUPCO start kit it is a cheap 2 wire connection! Install on of the industry standard 3 wire connection kits. Use either the OEM part or a 5-2-1 Start kit. I would probably change the...
  49. I've used pancrete with success a few times....

    I've used pancrete with success a few times. Sealed up some pans on some old floor mount chilled water air handlers and sealed the base pans on some old rtu's that were just trying to get by for a...
  50. If the compressor valves were bad, neither of...

    If the compressor valves were bad, neither of them could pump. It's
    likely an electrical issue and not with the board.
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