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  1. Since he has two systems, swapping the...

    Since he has two systems, swapping the controllers should move the problem to the other system if you are right.
  2. Replies
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    3,266

    Sounds like your system is way oversized for your...

    Sounds like your system is way oversized for your duct system. What was the size of the old furnance? Did he do a manual J.
    When we got our Infinity we went smaller based on manual J.

    While in...
  3. Replies
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    1,832

    I have the AprilAire 2400 series and it has...

    I have the AprilAire 2400 series and it has barely a performance effect on the Infinity.
    I have two systems one with a two stage AC and one with a one stage AC and prefer the two stage AC because it...
  4. I looked into these but decided against them...

    I looked into these but decided against them because it is my understanding that the only way to interface with them is through the Carrier Website portal. Plus they charge a fee for that. Unless you...
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    On ours is it days of usage for EAC and for Media...

    On ours is it days of usage for EAC and for Media no option so it makes me believe that is just static only.

    The static settings works real well, just noticed that mine said change filter and I...
  6. Many of the Carrier tech doc's can be found on...

    Many of the Carrier tech doc's can be found on their ftp site, sometimes hard to find due to the naming convention.

    http://www.docs.hvacpartners.com/idc/groups/public/documents/techlit/
  7. Yes it does and placement of the AC is important...

    Yes it does and placement of the AC is important and as an alternative Carrier provides a OAT sensor.

    http://hvac-talk.com/vbb/showthread.php?t=314872
  8. Stat measures indoor temp and humidity, Outdoor...

    Stat measures indoor temp and humidity, Outdoor unit measures outside temp. With a humidifier hooked up it will take into account outside temp so you don't get condensation. I.e it will never hit...
  9. Replies
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    2,437

    Since your are in NVa look at Check Book...

    Since your are in NVa look at Check Book magazine. It rates many different businesses in the DC area. Should be available in your local library. Our HVAC contractor from Mont. County is listed. Have...
  10. With the right stat ( like Infinity) it will tell...

    With the right stat ( like Infinity) it will tell you to change the filter when it is dirty based on the increased static.

    Another advantage is multiple speeds for the fan only function, which...
  11. Replies
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    5,237

    More complicated since the system can adjust the...

    More complicated since the system can adjust the blower motor all the time based on requested temp and humidity and achieved temp and humidity. So it depends when in the cooling cycle you look at the...
  12. Replies
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    5,237

    Dip switches ignored with Infinity controller,...

    Dip switches ignored with Infinity controller, however there are advanced programmable settings that change the way the system operate. Forget all of them, but like Utility savings, Comfort and off...
  13. Replies
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    5,237

    Thank you, one another thing I noticed is that my...

    Thank you, one another thing I noticed is that my system is more sensitive to the manual damper settings i.e. change over between cooling/heating. So just by moving his damper settings if he has...
  14. Replies
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    5,237

    Being in the DC area with a Evolution system I...

    Being in the DC area with a Evolution system I can tell you that the weather has been significantly warmer than last year. So don't expect to see a decrease in power use for this year.

    For...
  15. Replies
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    1,100

    Get the Infinity Stat for you comfort and also...

    Get the Infinity Stat for you comfort and also have them justify the breaker change. Never upgrade a breaker if the wires can't handle it. Btw the 25HPA536 max breaker size is 35 Amp and Minimum 25...
  16. Replies
    53
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    6,947

    Rebate will be back this April. Also do you...

    Rebate will be back this April. Also do you really need a 100K Furnace. Did they do a calc on the furnace too or just the AC. Small investment in the building envelope can reduce the size of the...
  17. Replies
    53
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    6,947

    Do a manual J or have the contractor do it, but...

    Do a manual J or have the contractor do it, but if the original unit was 3 ton, than a 3 ton two stage unit w/VS should do the job. It will control the humidity real well and will get rid of any hot...
  18. Replies
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    6,947

    Being in the same DC area I would recommend going...

    Being in the same DC area I would recommend going with a Infinity. Do a manual J, I went from a 3.5 to 3 without any problem. Because of the better Humidty control can keep the stat at a higher temp....
  19. Replies
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    2,835

    According to Carrier it is a 13 when used with...

    According to Carrier it is a 13 when used with the 48 Outdoor unit

    http://www.xpedio.carrier.com/idc/groups/public/documents/techlit/ss-ph13-04.pdf page 10

    So if anything the Airhandler is...
  20. Replies
    499
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    31,692

    Actually the lower stage is slightly more...

    Actually the lower stage is slightly more efficient because the secondary heat exchanger is able to get more btu's out of the burnt fuel ( larger area). But as we all agree the whole system including...
  21. Replies
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    2,801

    I am in MD and have both systems ( 2 zones), One...

    I am in MD and have both systems ( 2 zones), One Infinity furnace with a 1 stage Performace and one Bryant Evolution with the 2 stage 16 Evolution. Prefer the 100 % Evolution over the Infinity with...
  22. Replies
    499
    Views
    31,692

    There is a big difference in the type of...

    There is a big difference in the type of combustion in an industrial furnace for melting metal compared to a hot air furnace in residential applications.

    For heat transfer in high temperature...
  23. Replies
    499
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    31,692

    Flame temp does not necesarly equate to heat...

    Flame temp does not necesarly equate to heat generated. The volume of the combustion chamber does not change between high and low fire and hence the temperature of the flame does change. My first...
  24. Replies
    499
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    31,692

    Or the one's that send money to Nigerians in...

    Or the one's that send money to Nigerians in escrow, it must be profitable otherwise they wouldn't waste their time :eek2:
  25. Replies
    499
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    31,692

    Actually the numbers posted were from Jan. 2008....

    Actually the numbers posted were from Jan. 2008.

    Only know the BTU values after I get the gas bill and then it is still an average for the month, however the variation of the conversion factor...
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