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  1. Replies
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    That's what leads me to a thermistor... tell him...

    That's what leads me to a thermistor... tell him to check them individually.
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    575

    Ask them about the new Fujitsu ductless models....

    Ask them about the new Fujitsu ductless models. They can run just linesets then. They (Fujitsu) are doing some really neat stuff with things like 27+ SEER systems and low profile (2") indoor units....
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    Definitley needs metered out by a tech... I...

    Definitley needs metered out by a tech... I second skippedover's recommendation.
  4. Replies
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    643

    Replace the main board, they were defective just...

    Replace the main board, they were defective just like Burnham's were. I'm surprised Peerless has not recommended that already...
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    One more thing... those units are also equiped...

    One more thing... those units are also equiped with a failure mode recall. Have the tech go through that and repost. That will help us help you. Are you sure your tech is on the Mitsubishi hotline...
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    Has he tried putting it into test run vs. normal?...

    Has he tried putting it into test run vs. normal? Those units have a ridiculous amount of thermistor's on them that can create that problem... a "little" bit of water should not be giving you those...
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    Amana utilizes the 3.0 also. 3.0 is being used in...

    Amana utilizes the 3.0 also. 3.0 is being used in most variable speed motors now.
  8. Without doing the proper load calcs and all......

    Without doing the proper load calcs and all... that "sounds" like a much better design than you have now.:.02:
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    I agree on two counts: 1.) There are two posts...

    I agree on two counts:
    1.) There are two posts there on the same thing roughly a 1/2 hour apart...:LOL:
    2.) Something is definately amuck with your setup.
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    Not true friend... I just sat through a class...

    Not true friend... I just sat through a class with Tempstar because they are also utilizing the 3.0. The 2.3 utilizes a 16-pin harness and the 3.0 utilizes the 4-pin. That of course being only one of...
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    I wouldn't say erronious... everyone has a...

    I wouldn't say erronious... everyone has a different opinion as to what they like to install and work with. Also, most of your high efficiency variable speed furnaces utilize the ECM motors now.
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    Did he tell you what it was adjusted to?

    Did he tell you what it was adjusted to?
  13. Replies
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    You guys have misinterpreted what I meant or...

    You guys have misinterpreted what I meant or maybe I should have been a bit clearer. Trane's educational training both for their own employees and for those of us that have paid to receive their...
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    Darrell, I get the same emails... outstanding...

    Darrell, I get the same emails... outstanding articles that he writes! I think every tech should subscribe to them to help broaden their knowledge.



    Trane has probably the best training out...
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    I second this.:.02: This would be a good...

    I second this.:.02:



    This would be a good start. Also checking the blower wheels to see if they are not dirty. One other thing would be considering the difference in years there might be a...
  16. Use the attached brochure for Tappan on there...

    Use the attached brochure for Tappan on there extended warranty. It has their number, frequently asked questions, etc.
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    Aprilaire and Honeywell also make a zoning...

    Aprilaire and Honeywell also make a zoning system. You may want to research those a bit as well.
  18. Glad we could be of help to you!:grin2:

    Glad we could be of help to you!:grin2:
  19. Replies
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    The consistent running at night in your living...

    The consistent running at night in your living room is leading me towards not having the proper pipe sizing and possibly not a close enough loop for the heat loss. If your upstairs doesn't run much...
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    How old is the unit? Is the compressor hot when...

    How old is the unit? Is the compressor hot when it shuts down? You may need to call a certified technician to open the unit to check this as we don't recommend the HomeOwner to do this. You can more...
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    I buy that. I guess I haven't really paid much...

    I buy that. I guess I haven't really paid much attention to them derating for LP. Kind of odd though considering you change out not only the orifices but also the regulator spring... The spring...
  22. Ok, here's the low down, lol. The Goodcare...

    Ok, here's the low down, lol. The Goodcare warranty can be transfered one time as I had thought.
  23. I will post back a bit later...

    I will post back a bit later...
  24. I would have been a bit pissy on that one, the...

    I would have been a bit pissy on that one, the Manufacture is who reimburses the warranty and being that the build date codes are in the serial of the furnace you should have pressed that one. I...
  25. I assume when he said by-pass he was referring to...

    I assume when he said by-pass he was referring to the static pressure build up and as far as the sensors for temp.... I would say to monitor your heat gain.
  26. Honeywell makes a system that instead of...

    Honeywell makes a system that instead of utilizing stats they have a module that reads temp and humidity sending back to the control which then communicates to the stat... the stat then takes the...
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    I have that same question as I saw someone else...

    I have that same question as I saw someone else say they had it in some downloaded specs from a manufacturer... it is known to us in the HVAC field that propane delivers more btu/hr than NG. Example:...
  28. TH6110D is 1 heat/1 cool andTH6220D is 2 heat/2...

    TH6110D is 1 heat/1 cool andTH6220D is 2 heat/2 cool. Personally I would use a different model as those two are Honeywells lower end digital...
  29. You have some issues there that need addressed

    You have some issues there that need addressed
  30. Length of duct absolutly plays a factor.

    Length of duct absolutly plays a factor.
  31. Not the first time we have disagreed, and I'm...

    Not the first time we have disagreed, and I'm sure it won't be the last... lol.:cheers:
  32. After looking at everything the 3rd pic actually...

    After looking at everything the 3rd pic actually reminds me of a water panel for a humidifier...
  33. I do not agree and a simple test with a velocitor...

    I do not agree and a simple test with a velocitor can prove that. Your comment suggests that you will get the same amount of air flow/static pressure regardless of your lengths of trunk if the...
  34. That's what I thought. I would personally install...

    That's what I thought. I would personally install as I suggested.
  35. 15' each way? Which would mean your spanning 30',...

    15' each way? Which would mean your spanning 30', right?
  36. Don't forget duct sizing... you may need to...

    Don't forget duct sizing... you may need to change current duct work to larger trunks or take-offs too.
  37. The branches (take-offs) should be sized...

    The branches (take-offs) should be sized according to CFM needed. The floor outlets also sized according to CFM. All take-offs should have dampers. Your house as you stated is 30x40 so as far as...
  38. Just remember you will never get a perfect duct...

    Just remember you will never get a perfect duct design... cooling requires higher cfm than heating. That being said, a good rule of thumb is to make sure your return duct is sized according to your...
  39. 8x20 x2... are you saying there is 2 joints of...

    8x20 x2... are you saying there is 2 joints of duct?

    5" = 50cfm, 6" = 85cfm, and 7" = 125cfm

    No return for the bathroom. You can use panning instead of duct... use the joist space for return....
  40. Sounds like the return and drop and trunk are...

    Sounds like the return and drop and trunk are sized adequately... I would add a return to each bedroom though. You'll get better air flow in doing this. Let us know about the supply trunk and we can...
  41. Replies
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    I'm pretty sure George gathered what I meant,...

    I'm pretty sure George gathered what I meant, especially after udarrell's post... However, your comment would be correct... 400 CFM is 400 CFM.
  42. How big are the trunk lines (rectangular duct)?...

    How big are the trunk lines (rectangular duct)? How big is the plenum (stack coming off of furnace)? How big is the return trunk and drop?
  43. :.02:

    :.02:
  44. Replies
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    Based on location and home you call for around...

    Based on location and home you call for around 81,900BTU output (based this on a similar install in Erie, PA). You state you have a 90% 90,000BTU input so it is outputting 81,000BTU. On a colder day,...
  45. How high are your ceilings? Where are you located...

    How high are your ceilings? Where are you located at? You need to do a heat loss calc for the entire home. Your boiler is a 105,000BTU input / 99750BTU output modulating boiler... depending on your...
  46. My apologies on not getting right back to you, I...

    My apologies on not getting right back to you, I had a busy week.:cheers:

    To answer your questions a plenum is the stack of duct coming directly off of the furnace/indoor coil. A trunk line would...
  47. Replies
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    The Whole Home Dehumidifier is also a great...

    The Whole Home Dehumidifier is also a great idea...:.02:
  48. Replies
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    The larger coil inside allows for more air to be...

    The larger coil inside allows for more air to be passed accross it therefore more dehumidification. You just need to make sure you have proper system charge.
  49. I will second this recommendation. It is hard to...

    I will second this recommendation. It is hard to find the "right" installer. Check for bad reviews on the internet by doing company name searches also.



    If I'm not mistaken those issues were...
  50. Based on what I have read you have possibly one...

    Based on what I have read you have possibly one or all of the following:
    1.) Improper duct sizing
    2.) No dampers
    3.) crushed supply duct
    4.) Improper placement of the take-offs on the...
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