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  1. Replies
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    Carrier Software Upgrade

    I'm looking at upgrading the software on a Carrier 19XRV chiller. The customer has 2 point surge lines & I'd like to upgrade to a 4 point. Where do we purchase this software? Thanks.
  2. Thread: Jobs Down Under.

    by PSI
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    761

    Sure you can, obviously you'll need a license but...

    Sure you can, obviously you'll need a license but on the flip side no you cannot carry it to the convenience &/or liquor stores.

    drunkenkoala, are you an Australian citizen? if not, I'd certianly...
  3. Thread: Political Promise

    by PSI
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    Political Promise

    Yeah, just about sums up politics!
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    Yeah I think you did a good job as well.

    Yeah I think you did a good job as well.
  5. Thread: HVAC Calc

    by PSI
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    446

    + 1, awesome software.

    + 1, awesome software.
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    It is certainly a great item. I may look into it...

    It is certainly a great item. I may look into it as well.
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    Ensure that your surge parameters that are...

    Ensure that your surge parameters that are programmed in your PIC have not been played with. Compare these numbers with the other chiller that's not having an issue.

    Is it a 19XR or XRV (VFD)?
    ...
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    I agree, this is a great starting point. I've had...

    I agree, this is a great starting point. I've had many issue like this one and it usually started with incorrect delta P across chiller, in some cases it didn't help that the chilled water had a VFD...
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    BergerMech Rob......, great write up very...

    BergerMech Rob......, great write up very informative info.
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    If you have an economizer you should have 750LBS...

    If you have an economizer you should have 750LBS R22.

    If no economizer you should have 700LBS R22.

    You'll most likely notice on the chiller name plate factory charge specification is greater...
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    Whats the full model number? is it R22 or R134a? ...

    Whats the full model number? is it R22 or R134a?

    You may be over charged with refrigerant. As a result there's too much refrigerant sitting with the oil (oil carry over) - we know there's too...
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    I can tell you that the majority of Carrier 30GXR...

    I can tell you that the majority of Carrier 30GXR units I service have been a real reliable chiller, had the occasional oil problem, changed out some condenser fans, but all in all a very sturdy...
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    MachineHead, There are several items to check...

    MachineHead,

    There are several items to check when these codes are generated.

    In some cases, the problems have been traced back to the Compressor Ground Fault Board (CGF). The CGF has alarmed...
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