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  1. I have a new York modulating furnace. The...

    I have a new York modulating furnace.

    The control board is Made by Varidigm

    http://www.varidigm.com/products/prods.asp

    http://www.varidigm.com/news/news.asp?NewsID=12&NewsType=press
    ...
  2. Could I ask a favor. Please break you messages...

    Could I ask a favor.

    Please break you messages up into paragraphs.

    Having it all in one my it makes it hard to read. My eyes keep loosing the line.

    Lots of white space makes it much easier...
  3. I would not recommend that to some one that is...

    I would not recommend that to some one that is not very, very experienced. It can be dangerous in several ways.

    Really need a clamp on. And you can get clamp on adapter that put out so many...
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    It depends. You already know that the existing...

    It depends.

    You already know that the existing system is not giving you great comfort. A better furnace system, might help that. Might also need some duct work.

    And you know what your current...
  5. I noticed that my new 2 stage AC/HP show two...

    I noticed that my new 2 stage AC/HP show two different sets of number and eff for operating in stage 2 HP.

    And they are based on 2 different air flows. I am assuming that the purpose of the lower...
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    I did not see any mention of RETURNS. I am a...

    I did not see any mention of RETURNS.

    I am a HO with an engineering background. From what I have experienced in my own home and others and complaints of people 2 story houses the having returns on...
  7. Not always. The are a number of different...

    Not always.

    The are a number of different types of ground electrodes, some installed for that purpose and some for other purposes that if available MUST be used.

    Under the current code;

    1....
  8. Replies
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    2,260

    There is lots of cost factors, plus lots of...

    There is lots of cost factors, plus lots of politics, that get into setting the rates.

    Idealy you should have a fixed cost that pays for billing, meter reading and the like.

    And a base rate...
  9. IR won't always show the problem. An other test...

    IR won't always show the problem. An other test is to measure the current in the ground electrode system.

    PS an open would be very unusual. And in that case it would be immediately clear with...
  10. Define "tightly built". Exactly how many air...

    Define "tightly built". Exactly how many air changes per hour is that.

    You have already defined one place that was not "tight".

    The only way that you will know for sure is to get an energy...
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    As a non pro that sounds the first thing that...

    As a non pro that sounds the first thing that should be checked.

    Also what about setting the programable stat to let the temp rise in the early more and not even use the heat mode.
  12. Replies
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    The tax credit is only on the materials, not the...

    The tax credit is only on the materials, not the labor. Make sure that you get the statement to break that out.

    Maybe that short a payback AFTER the rebates and credits. But even then I suspect a...
  13. If I remember this thread over the weekend I will...

    If I remember this thread over the weekend I will tell you what mine is set to.

    And I am going to talk to the installer about some of the options.

    I have really know thought about the AC...
  14. It doesn't require high levels. ...

    It doesn't require high levels.

    http://www.inspect-ny.com/hazmat/CarbonMonxide.htm

    "Carbon monoxide is a colorless, odorless, tasteless gas that, in its effects on humans, is a chemical...
  15. Do forget my idea of getting a whole house surge...

    Do forget my idea of getting a whole house surge protector and verifying the ground electrode system. It should not be too expensive. Some power companies provide them for a $5-8/month fee and also...
  16. There can be lots of affects of CO posion at...

    There can be lots of affects of CO posion at levels much lower than the alarm point.

    Because of 2 many (possible) false alarms they uped the alarm limits.

    If you get a have one with a digital...
  17. What is "less restrictions" ?? I agree with...

    What is "less restrictions" ??

    I agree with your thoughts. I am Kansas city and while the numbers will change somewhat the most except for the top row or two or states and the bottom row that is a...
  18. I am looking at the data for the 18 SEER, 2 stage...

    I am looking at the data for the 18 SEER, 2 stage York that I am getting.

    http://www.yorkupg.com/PDFFiles/345094-YTG-F-0509.pdf

    For the AC they show the 2 stage of compressor and corresponding...
  19. I am not sure who this was directed to. Because I...

    I am not sure who this was directed to. Because I said nothing about HD.

    The rules are no price quoting on the forum.

    But the York rebate is $1700 and Federal Tax credit of $1500 for a total of...
  20. No, runing on low speed for the AC is good for...

    No, runing on low speed for the AC is good for you. Both in comfort level (lower humidity and more constant temps) and lower energy usage.
  21. And that is exactly what I am getting. ...

    And that is exactly what I am getting.

    Normally I could not justifiy the pay back on such a system.

    But with the package system rebate from the manufacture and tax credit and gas company rebate...
  22. I knowing about the details of the Carrier...

    I knowing about the details of the Carrier control boards only basic understanding of the HVAC systems in general.

    But I have designed control board with microprocessors for industrial purposes....
  23. In an application like this it is probably a...

    In an application like this it is probably a wash. Few extra parts and they are all basic chips that have been commonly used for years and years and are very reliable.

    In commercial/industrial...
  24. Ok. I had to google TXV. Almost the same...

    Ok.

    I had to google TXV. Almost the same problem that I though it was.

    Their appears to a fat bulb that is 1/2 under the insulation that is kinda, almost, sorta, maybe having contact with the...
  25. I gather that the blue tip is the senors bulb. If...

    I gather that the blue tip is the senors bulb. If so I can see the problem, in spades.

    And in fact I don't know why the other 2 tech for the new company (if I followed the story line) fix it.
    ...
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