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  1. Replies
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    Improper grounding of the RTU, or a weak ground...

    Improper grounding of the RTU, or a weak ground can also cause that alarm. We had a building in our territory that had the exact same experience for almost 4 years. We would monitor main power, unit...
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    2,015

    Hey CJ, if it hasn't been done yet, you can...

    Hey CJ,

    if it hasn't been done yet, you can increase your Hi SST alert delay from the factory setting of 10 minutes up to 30 minutes. this will allow the logic to give the unit a little more time...
  3. Replies
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    1,369

    We always preach to use a little shop vac and...

    We always preach to use a little shop vac and that heavy brissel brush that comes with most shop vacs. The brush that you wonder what would I ever use this for? It is great on the dust those wheels...
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    689

    Perhaps these instructions may help? These are...

    Perhaps these instructions may help? These are the retrofit instructions to convert gas units from mercury flame sensor to flame rectification
  5. Replies
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    1,254

    you are correct, the compressor would be a 5H...

    you are correct, the compressor would be a 5H series. The number 5Mh86 is an actual part number for the crankshaft if that is what they are looking to replace?
  6. Excellent explanation Turbo!! :)

    Excellent explanation Turbo!! :)
  7. Replies
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    2,713

    ASCJ, The code 9 is a software issue internal...

    ASCJ,

    The code 9 is a software issue internal to the board. It will reset upon a power cycle, but if the problem continues you do need to replace the board. It is offically labled "software...
  8. Replies
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    988

    How about hooking up a signal generator to the...

    How about hooking up a signal generator to the same input you are using and see if the CEM board still reads incorrect data. If so the board is bad, if not, then your device is bad? That is how we...
  9. Thread: Linkage

    by gyhooyabat
    Replies
    7
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    627

    have you tried this?

    Believe it or not we mix 5w30 with never sieze. It takes a while to break them down and mix up and you need to get it thin enough to work in a spray bottle, but it works great, cleans up easy and...
  10. Replies
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    2,446

    It is an 18,000 BTU unit rated for 8.4 SEER when...

    It is an 18,000 BTU unit rated for 8.4 SEER when it was new.
  11. Replies
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    3,631

    Freonrick and thegoodlistener are both correct,...

    Freonrick and thegoodlistener are both correct, it's against regulation for us to have a schrader under any manual high pressure switch. We don't make the rules we make the equipment per the rules.
  12. Replies
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    3,631

    the sensor is receiving 24vac from the main...

    the sensor is receiving 24vac from the main control power via the red wire and sends back a floating 0 - 24vdc signal back to the MBB. When the 0 - 24vdc signal reaches 18vdc the input accepts that...
  13. Replies
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    8,289

    Pach, Email me your information and location...

    Pach,

    Email me your information and location so I can see why your machine is not completed. Email address is in my info.

    Thanks,
  14. Thread: Carrier RTU

    by gyhooyabat
    Replies
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    2,649

    Believe the part you would be looking for is...

    Believe the part you would be looking for is actually labeled as a "valve body" but it consist of the parts for that schrader access you are looking to repair. The replacement part number is...
  15. Replies
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    1,269

    Jrbenny is close. The machine will go into this...

    Jrbenny is close. The machine will go into this mode if it starts more than 5 times in 60 continuous seconds. This mode will prevent the machine from short cycling.

    MD26 – Short Loop Override...
  16. Replies
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    715

    Here is the sequence for the minimum load as well...

    Here is the sequence for the minimum load as well as close control:

    Minimum Load Control
    A metering solenoid valve that acts as an orifice accomplishes Minimum Load Control for the AquaSnap...
  17. Thread: PDA's

    by gyhooyabat
    Replies
    8
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    1,144

    They can be one of your most valuable tools you...

    They can be one of your most valuable tools you may ever invest in. Like you have read above, they can hold more information than you could fit in manuals on your truck.

    Plus, we have made so many...
  18. Replies
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    812

    jwhite, I can't put the PDF on this site...

    jwhite,

    I can't put the PDF on this site because of it's size. Email me and I'll send you the wiring diagrams as they would have been wired from the factory.
  19. Replies
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    1,423

    Chill, You could have simply sprayed a little...

    Chill,

    You could have simply sprayed a little contact cleaner into the phone jack in the rear just to make sure there is no rust building up in the jack. That is a problem we have experieced in...
  20. Replies
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    1,423

    Chill, oddly enough there are not that many...

    Chill,

    oddly enough there are not that many different boards for the different machines we make, and the common link to communications between the boards would be the red LED on each board. That...
  21. Replies
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    3,451

    Dan, The easiest way to test the MBB is to...

    Dan,

    The easiest way to test the MBB is to have it hooked up to your laptop, if you have service tool or CCN software. It is possible that the MBB has an issue with it's software, but the only way...
  22. Replies
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    3,451

    Dan, Main Base Board To identify the boards...

    Dan,

    Main Base Board

    To identify the boards look at the "J" terminals (white in color) as they will have the respective lables for the boards and which terminals they are.
  23. Replies
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    3,451

    Dan, That's pretty much all that causes that...

    Dan,

    That's pretty much all that causes that alarm. Either a faulty motor temperature sensor, an actual failed motor widings, or a wiring issue between the motor temp sensors and the CCP. When...
  24. Replies
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    8,289

    Carey, There is a bulletin release sent to all...

    Carey,

    There is a bulletin release sent to all our service offices regarding the issues we found in the coil failures on our 30RB and 30XA series machines.

    Brief explanation: The problem lies...
  25. Replies
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    822

    Your unit, model: 50BU-012---530-- is actually...

    Your unit, model: 50BU-012---530-- is actually serial number 4392F22200 and it was shipped out of the plant on 10-21-1992.

    Were there any bets on this?
  26. Replies
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    Thanks Abs. Will try to visit more often. :D ...

    Thanks Abs. Will try to visit more often. :D

    Hey Rot, if you would like, email me and I'll send you the literature and a small power point on how the navigator or the marquee display work.
  27. Replies
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    3,169

    Any of the 30 Series Chillers come with a marquee...

    Any of the 30 Series Chillers come with a marquee display to access any and all of the configuration points. The screw chillers, like the HXC and XA, all come with the Navigator display. The...
  28. Replies
    3
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    2,835

    Heatingman, I tried running those numbers and...

    Heatingman,

    I tried running those numbers and they do not match. Can you give me the complete number off the fan sled? We did not make a size 13 fan, we have a size 12 and size 15 and we did not...
  29. Replies
    4
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    493

    Uke, Your model number was close. Here is the...

    Uke,

    Your model number was close. Here is the data:
    Model: 39MN10A00360722CXS
    Serial: 0503F14849
    Built on 1/29/2003

    Unit was ordered with all factory mounted controls and our Air Monitoring...
  30. Replies
    4
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    493

    Uke, Believe you have too many numbers and...

    Uke,

    Believe you have too many numbers and they are not exactly in the correct order. Can you give us the serial number or the ODS number?
  31. Replies
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    Cyro, Email me the photo and any other...

    Cyro,

    Email me the photo and any other information you may have. At 45 years old that is going to be either a 39B, 39C series unit. We still make and sell a lot of the needed parts to replace on...
  32. Replies
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    2,930

    Scho, Email me (my email address is in my...

    Scho,

    Email me (my email address is in my profile) and I'll email you the service manuals.
  33. Replies
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    1,472

    Now, Now everyone.... Are you sure the problem is...

    Now, Now everyone.... Are you sure the problem is not with the distributor you are trying to reach? If you were truely trying to reach Carrier, just call 800 carrier and you will get a real talking...
  34. Replies
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    634

    LTC, T137 - Circuit A Low Discharge Superheat...

    LTC,

    T137 - Circuit A Low Discharge Superheat Alert
    T138 - Circuit B Low Discharge Superheat Alert

    This alert is ignored for the first 3 minutes of circuit operation and there can be a number...
  35. Replies
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    1,971

    Most likely your PSIO I loss power and the...

    Most likely your PSIO I loss power and the battery in it was probably dead, so now you have a PSIO with no logic in it. You can order replacement batteries (they are the physical size of a AA...
  36. Replies
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    3,141

    There really is only 1 reason why we must not...

    There really is only 1 reason why we must not give out technical support for the handling of VFD's to un-qualified technicians and it is not because we are trying to make money off of you, rather it...
  37. Replies
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    Good investigation everyone. See, after all...

    Good investigation everyone.

    See, after all that it was not really a CARRIER headache was it? Now I know we have our fair share of headaches, but it's not always caused by us is it?
  38. Replies
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    1,001

    Frank, Can you give us the model and serial...

    Frank,

    Can you give us the model and serial of the RTU? If it is an A or Z series (48A or 50A or 48Z or 50Z) then the following is possible:

    It is possible that the configurations in the RTU...
  39. Thread: Carrier A/H

    by gyhooyabat
    Replies
    4
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    663

    Cyro, We do still have the literature...

    Cyro,

    We do still have the literature available for all of the 39 Series AHU's and we even still list most of the parts to replace them. We probably don't have any readily available, but we do...
  40. Thread: 19 XR

    by gyhooyabat
    Replies
    38
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    4,141

    I just checked my profile and sure enough it had...

    I just checked my profile and sure enough it had changed. I put the email and phone contact info in there so anyone should be able to get it now. Just in case, I'll try getting atleast the phone info...
  41. Replies
    8
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    13,861

    Jamaction, Is the chiller properly configured...

    Jamaction,

    Is the chiller properly configured for low temp operation? Not just putting the devices in, but also telling the machine (in the configuration settings) that these devices now exist?
    ...
  42. Thread: 19 XR

    by gyhooyabat
    Replies
    38
    Views
    4,141

    Thank you everyone for the kind remarks. After...

    Thank you everyone for the kind remarks. After all, this is how our business grows.

    Carriermech, don't hesitate to call should you ever need help. My door is open to everyone. The email and office...
  43. Thread: 19 XR

    by gyhooyabat
    Replies
    38
    Views
    4,141

    I guess to answer your first question: I was...

    I guess to answer your first question: I was taught when I first started in this trade: "Never be afraid to teach someone else what you already know. How else do you expect to grow?" He told me to...
  44. Thread: 19 XR

    by gyhooyabat
    Replies
    38
    Views
    4,141

    A member of the service engineers department. We...

    A member of the service engineers department. We report directly to the director of Operations for CCS. Do you work for CCS? If so, which branch?

    I was a fitter for many years and a tech for...
  45. Thread: Absorbtek

    by gyhooyabat
    Replies
    0
    Views
    504

    Absorbtek

    Hey Abs,

    Can you give me a call or email? Was trying to get in touch with you. Did the number change?

    Thanks,
  46. Replies
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    1,127

    Con, If you can get the part number of the...

    Con,

    If you can get the part number of the valve that was recently replaced, then we can possibly start there to see if this is a problem.

    One big give away with the change, and it can actually...
  47. Replies
    10
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    1,127

    Hey Benny That is very possible. Considering...

    Hey Benny

    That is very possible. Considering this machine does not have unloaders, perhaps the machine is now being asked to do something it was never designed to do? You could add unloaders and...
  48. Replies
    41
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    5,861

    Richard, You are a Great One, and many of us...

    Richard,

    You are a Great One, and many of us know that and will never forget it. However, you go and enjoy that new life, because you have certainly earned it.

    We have heard many stories...
  49. Replies
    10
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    1,127

    Con, When was the EXV replaced? Is it still a...

    Con,

    When was the EXV replaced? Is it still a 760 stepper? I only ask because we stopped making it or selling it. You would have to really search hard to find one. RCD made that change earlier...
  50. Replies
    6
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    1,129

    J, Just give me a heads up. I cover 5 states so...

    J,
    Just give me a heads up. I cover 5 states so I'm not always at the main office either.

    Chill,

    These machines are built at our Charlotte Plant. We only make large air handlers and RTU's in...
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