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  1. Interesting about the sloping forward - I caught...

    Interesting about the sloping forward - I caught that recently (mine was level - maybe slightly sloped back due to the concrete not being level) and had our first HVAC company slope it forward a bit....
  2. Have they improved the design with the new...

    Have they improved the design with the new secondaries and replacement ones? Or would a replacement one show the exact same problems after a few years?
  3. Dustin - is standing water in the secondary heat...

    Dustin - is standing water in the secondary heat exchanger the cause of this?
  4. jimmyed - Are those Carrier 58MVC .... Infinity...

    jimmyed -
    Are those Carrier 58MVC .... Infinity units? If so, what exactly is causing them to go?

    I have one that is 3 1/2 years old and has had a ton of issues where it would trip the limit...
  5. Interesting about the hole through the part - I...

    Interesting about the hole through the part - I had asked out first company tech to contact Carrier about the limit heat shield and my continuing issue - I was told there was a Carrier issued service...
  6. I saw another person posting about a large drop...

    I saw another person posting about a large drop in static pressure on a newer model of a furnace like mine with a bypass humidifier installed - same as mine - April Air 600. Maybe there is too much...
  7. No Limit Fault since the most recent contractor...

    No Limit Fault since the most recent contractor changed a setting on the Infinity Controller to allow the fan to run longer after each cycle of the furnace (i think from the default of 90 seconds to...
  8. Not a zoned system. The bypass mentioned is for...

    Not a zoned system. The bypass mentioned is for the AprilAire 600 humidifier. It has a bypass from the supply to where it is mounted on the return. The tech noted that even though low heat rise...
  9. I specifically asked about a combustion analysis...

    I specifically asked about a combustion analysis - was told it is difficult to do on a high efficiency system ... With 2" PVC flue ... Tech stated he always does them on metal flu systems. I am 0...
  10. To answer your second question first: The person...

    To answer your second question first: The person and company were directly provided to me by Carrier customer service. They are an authorized Carrier service center.

    The first question - the...
  11. Ironically I just had a checkup today (am having...

    Ironically I just had a checkup today (am having problem of limit faults randomly - in another thread).

    I had noticed this when looking through the port last week but did not think anything of it...
  12. Is this normal? Orange area in furnace burner

    Looking towards the left through the round plastic viewing window - I see a bright orange spot between the left two burner flames. Furnace is Carrier 58MVC 080.


    649911

    And

    649921

    Now...
  13. They are an authorized installer according to...

    They are an authorized installer according to Carrier (as are virtually all HVAC companies) - they are not on Carrier's list of authorized repair/service companies. They gave me two companies ......
  14. Syndicated - I called Carrier today - our HVAC...

    Syndicated - I called Carrier today - our HVAC company is not on their authorized service company list. They gave me the names of 2 local companies. I called one and scheduled a person to come out...
  15. What should I be asking our HVAC company to do at...

    What should I be asking our HVAC company to do at this stage?

    Smoke - what you mention above describes what we observe - temperatures creep up over long run periods with heat stacking up. Seems...
  16. Do you mean this? (The 3" pipe was replaced by...

    Do you mean this? (The 3" pipe was replaced by our HVAC company with a 2" pipe all the way to the concentric outlet/inlet).
    ...
  17. Carrier Infinity Model 58MVC080 F--10114

    Carrier Infinity Model 58MVC080 F--10114
  18. I now have 2" flue pipe going out the side of the...

    I now have 2" flue pipe going out the side of the house (concentric kit). It is about a 25 foot run total from the furnace and it is sloped down all the way to the furnace.

    It drops about 1...
  19. On the opposite side of where my combustion...

    On the opposite side of where my combustion intake air pipe comes in, I notice there is no condensate drain hose ... see picture below for my model furnace ....
    ...
  20. Thanks for the responses. I am on natural gas. ...

    Thanks for the responses. I am on natural gas. Seems the issues start when the furnace has been running for a while (bringing temp in house from 65 degrees at night to 70 degrees in morning). It...
  21. 2011 Carrier Infinity 58MVC secondary heat exchanger clogged? .... What next???

    I have posted over the last couple of years about the reoccuring problems I am having with our Carrier Infinity 58MVC furnace.

    In the following I described all of the troubleshooting our HVAC...
  22. Last night the temps outside went into the low...

    Last night the temps outside went into the low 20's. Today my 58MVC is throwing limit faults and is currently locked into high-heat only (SYSTEM Malfunction). 5 Limit faults since this morning...
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    Agree about dehumidifier .... although our...

    Agree about dehumidifier .... although our basement is surpisingly dry ...

    Would a mini-split with a good dehumidifier setting work well or is this overkill?
  24. Replies
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    Heating and AC for basement

    I am having our basement finished. House is in central MD. Basement is poured concrete foundation. We removed the foiled back R13 insulation and replaced it with 2" thick 4x8 sheets of R10 rigid...
  25. ... just noticed a single limit fault .... was...

    ... just noticed a single limit fault .... was yesterday afternoon - corresponded to returning from a trip and raising temp from 66 to 73 degrees .... did not cause lockout of lower fire rates. This...
  26. No faults since our HVAC company repositioned the...

    No faults since our HVAC company repositioned the limit shield. Final thought on the fixes are as follows:

    Inducer faults were caused by a faulty controller and the limit faults were caused by...
  27. Kudos to dougfamous - he called it exactly .......

    Kudos to dougfamous - he called it exactly .... limit faults have reappeared. Notifying our HVAC technician to inquire about the specific technical bulletin and fix the problem once in for all :)
  28. I again (3rd time) mentioned the limit fault...

    I again (3rd time) mentioned the limit fault issue and 'mysterious' Carrier service bulletin to him when he was replacing the main board. He said he asked the Carrier rep when he was on the phone...
  29. HVAC Technician just replaced the main control...

    HVAC Technician just replaced the main control board today. Interesting that the Infinity Thermostat no longer displays model or serial number (just a bunch of ------), but lists furnace as 'furnace...
  30. HVAC technician is ordering a new control board. ...

    HVAC technician is ordering a new control board. Two days ago the system locked itself out of the gas furnace (code 13), so only our heat pump is running now. I have 29 limit faults (code 33). I...
  31. Woke up today to 16 limit faults (code 33) and 1...

    Woke up today to 16 limit faults (code 33) and 1 medium pressure switch open (code 31) on the thermostat (from 5:07am today).

    The code 31 is a new one .... is this going to be helpful or confusing...
  32. Just had our HVAC technician out today. This is...

    Just had our HVAC technician out today. This is what he did:
    Cleaned out condensate trap for secondary exchanger
    Cleared all the tubing lines with co2 gun going to secondary
    Cleaned out some...
  33. 526051526061526071526081 Sent from my iPhone...

    526051526061526071526081


    Sent from my iPhone using Tapatalk
  34. timebuilder - yes all sweeps are long 90's (I...

    timebuilder - yes all sweeps are long 90's (I took pictures, but have not figured out how to post them).


    Sent from my iPhone using Tapatalk - now Free
  35. One additional observation today - the furnace...

    One additional observation today - the furnace seems to start up, then ramp up the inducer, then light, then start flashing (I count 4 then 2 flashes - the inducer fault?), then shuts down after a...
  36. fixitmanmc - We have natural gas. I'll ask the...

    fixitmanmc - We have natural gas. I'll ask the technician if he thinks it might be holding water. Thanks! We are at 680 feet elevation.


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  37. rider77 and timebuilder - Thanks - I'll point...

    rider77 and timebuilder - Thanks - I'll point the tech to your suggestions (he seemed to rule that out after the change was made and the problem was still there, but it doesn't hurt to ask again).
  38. rider77 - that sounds correct from what I can...

    rider77 - that sounds correct from what I can see.

    Last year, we had the original flue (3" PVC through 2 stories) abandoned and the 2" flue installed parallel to the existing fresh air inlet. Was...
  39. 2oldtorock - I will relay the information you...

    2oldtorock - I will relay the information you suggested about a Carrier Field Rep to him.

    dougfamous - I will also provide your information to him.

    fixitmanmc - the furnace is 80,000 BTUs. The...
  40. Carrier 58MVC Inducer Faults and occasional Limit Fault

    My 3 1/2 year old Carrier 58MVC keeps having Inducer Faults (count up to 148) and
    every so often has a Limit Fault (locks furnace into high-heat only) until power
    cycled. Limit Fault causes...
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    Woke up to yet another System Malfunction. ...

    Woke up to yet another System Malfunction. Pattern is always the same - multiple inducer faults, then active limit faults, then system locks into high heat only with message on the Infinity Control....
  42. Replies
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    Carrier Infinity 58MVC - system malfunction

    Update: After 67 more inducer faults and 3 limit faults (locked furnace to high stage)...

    HVAC Company installed concentric vent kit (I paid labor and parts). The original flue vent had a 180...
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    Dougfamous - I'll have our HVAC tech inquire -...

    Dougfamous - I'll have our HVAC tech inquire - hopefully they can figure out the inducer fault issue too. Thanks for the info!

    As for the setting - watched the tech set the dip settings and reset...
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    Recent update: the inducer faults did return -...

    Recent update: the inducer faults did return - have 56 recorded since last week. 1 limit fault. HVAC company is going to investigate the flue next - they are currently adding supply ducts to our...
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    Update - HVAC technician recommended having...

    Update -

    HVAC technician recommended having the furnace circuit breaker (in our house breaker panel box) replaced. This appears to have fixed the problem - we have not had a single fault since...
  46. Replies
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    Carrier Infinity 58MVC - system malfunction

    Another system malfunction last night with a bunch of inducer faults and limit faults resulting in high stage only operating. The increase in airflow did not prevent the faults from appearing. ...
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    I'll have our HVAC technician verify the...

    I'll have our HVAC technician verify the switches. Thanks!




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  48. Replies
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    HVAC technician removed all of the condensate...

    HVAC technician removed all of the condensate drain piping, ran water through to rinse it and cleaned the trap, checked all of the vent hoses, and set the furnace to the efficiency mode instead of...
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    I'll be having our HVAC technician return - I'll...

    I'll be having our HVAC technician return - I'll post back what he discovers - this is a real challenge.

    So far - HVAC company will install 2" flue if I want them to (I will pay cost as I would...
  50. Replies
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    Hurtinhvac, The furnace is generating the...

    Hurtinhvac,

    The furnace is generating the errors according to the service technician. He stated that he could swap my two Infinity Thermostats and the errors would stay with the furnace, not the...
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