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  1. Replies
    9
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    322

    Like others have said you'll have issues with...

    Like others have said you'll have issues with airflow if you PSC is only single stage, I don't know the Armstrong product the indoor unit may be good to go just depends on what its capable of.

    I...
  2. Thread: Carrier guys ?

    by 0351
    Replies
    19
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    899

    That is a muffler in the discharge line. The...

    That is a muffler in the discharge line.

    The line is piped like that mostly I'd imagine to prevent vibration transfer, I would leave the pipe as is if you would like to take out or replace the...
  3. Replies
    11
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    550

    Here is a quote out of some training for copeland...

    Here is a quote out of some training for copeland scrolls. Copelands AE bulletins mention not to go into a vacuum but they don't really explain why not.

    In simple terms this means that it is...
  4. Replies
    1
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    236

    Only test you can really do is ohm out the sensor...

    Only test you can really do is ohm out the sensor to see if its reading right, 10k NTC I believe on those. Might could heat it in your hand/a bit of water to see if it rises on the stat.

    If it is...
  5. Thread: Whistling TXV

    by 0351
    Replies
    10
    Views
    861

    Whistling TXV, I would take a look at how the low...

    Whistling TXV, I would take a look at how the low ambient kit is set, I've never seen this in person but I have heard that a liquid and vapor mix entering the TXV metering stem will cause a...
  6. Replies
    23
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    1,024

    You're on the right track but there just isn't...

    You're on the right track but there just isn't anything definitive. I was going to suggest re-install like the previous poster and then to get your local distributor involved.

    Typically if a...
  7. Replies
    23
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    1,024

    I would look in the model/serial section of the...

    I would look in the model/serial section of the thermostat to confirm that it is showing the correct model number. I assume the unit works fine in cooling so wiring should be good to go. I would...
  8. Replies
    10
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    707

    Is this the only time you see the issue, runs...

    Is this the only time you see the issue, runs fine high low cooling and component test?

    Are you using the Infinity stat?

    EDIT: I just noticed you said code 34, flame proving failure on start...
  9. Replies
    4
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    487

    Yup important to know when its happening. If...

    Yup important to know when its happening.

    If the temp rise and gas pressure were good you might want to talk to the homeowner about how their using the system. In my area with ductwork attic and...
  10. Replies
    15
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    1,190

    Unfortunately I think you have done all you can...

    Unfortunately I think you have done all you can do by using the quiet shift.

    If you were in a warmer climate for winter I'd suggest taken some charge out and see if the sound improves but I...
  11. Replies
    3
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    345

    By interface sensor do you mean the thermostat?

    By interface sensor do you mean the thermostat?
  12. Replies
    3
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    345

    I'll post the links since the files is to big to...

    I'll post the links since the files is to big to attached

    OM
    http://www.docs.hvacpartners.com/idc/groups/public/documents/techlit/omzonekit-3.pdf

    Some install info about the comfort zone 2
    ...
  13. Replies
    14
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    1,255

    Clapped down TXV possible, might try heating up...

    Clapped down TXV possible, might try heating up the bulb to get it to open.

    If suction is dropping on start up I wouldn't be looking at the compressor just yet.
  14. Replies
    20
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    2,132

    This may help if you don't already have ...

    This may help if you don't already have

    http://www.docs.hvacpartners.com/idc/groups/public/documents/techlit/zone-01dg.pdf
  15. here you go ...

    here you go
    http://www.docs.hvacpartners.com/idc/groups/public/documents/techlit/25vna-01pd.pdf

    Its true that on service or install it would be unlikely to see the low % on the compressor since...
  16. 3 & 5 ton can reduce down to 40% capacity 2 & 4...

    3 & 5 ton can reduce down to 40% capacity
    2 & 4 ton can reduce down to 50%

    Edit: if you are wondering the reason they are grouped like that is 2/3 and 4/5 have the same inverter.
  17. Replies
    1
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    229

    BAUH-F060 Install Manual

    Hi y'all,

    I was just wondering if anyone had the manuals for these.

    Thanks,
  18. Replies
    8
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    649

    My 2 cents, saddle tap on the discharge line of...

    My 2 cents, saddle tap on the discharge line of the compressor, shouldn't get much of a pressure drop in the cond coil between the discharge and service valves, can also do the same thing on a...
  19. Replies
    10
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    999

    Airflow is a good thing to check, if you get a...

    Airflow is a good thing to check, if you get a call back confirm heat rise, gas pressure and if you have an N-coil for the evap that doesn't match the furnace casing size wise make sure its...
  20. Replies
    34
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    7,365

    Just not pushing enough liquid to the metering...

    Just not pushing enough liquid to the metering device.

    Let us know how it goes, low split backwards high/low my moneys on the compressor.

    If it was a Heat Pump bad RV could produce the same...
  21. Replies
    34
    Views
    7,365

    Discharge line temp could be used to check the...

    Discharge line temp could be used to check the compressor.

    High Side Sat temp should be +20 ambient (15-50 superheat on DL).

    Low temp IIRC no heat of compression.
  22. Replies
    12
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    1,760

    3 phase reverse rotation - Why/how

    Hi Guys,

    I was just wondering why 3 phase compressors/fans run backwards sometimes?

    I know reversing any 2 leads will fix the issue and it always seems too but I was curious as to if there is a...
  23. Replies
    39
    Views
    3,623

    Just FYI Carrier TXVs are set for 4-12 SH at the...

    Just FYI Carrier TXVs are set for 4-12 SH at the Evap.
  24. Replies
    15
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    2,362

    It is a 5 ton A/C + furnace R410A, just had the...

    It is a 5 ton A/C + furnace R410A, just had the ducts sealed so they "should" be good.

    Never thought about the electric heat issue, I'll keep that in my toolbox if I see the same issue on a fan...
  25. Replies
    15
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    2,362

    Yuppers liquid at ambient or below=liquid line...

    Yuppers liquid at ambient or below=liquid line restriction was my first thought, I was just excepting higher high side.

    Refrigerant cycle dxing is definitely a weak point for me as itís so...
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