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Type: Posts; User: Dacman

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  1. Replies
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    Your ducts are sweating in the attic , you’re...

    Your ducts are sweating in the attic , you’re blowing evap coils , and mold issues.
    Heat pump , right ?
    Your duct work is probably sized wrong and static pressure is off, delta T in cooling must...
  2. Replies
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    1,185

    You can’t just convert any r22 split system into...

    You can’t just convert any r22 split system into a 410 with a condenser changeout and some magic flush. The flush is to get the mineral oil and any contaminants out. Not for the refrigerant.
    If...
  3. Replies
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    1,977

    Also to note , you must have a strong blue pilot...

    Also to note , you must have a strong blue pilot flame hitting the thermocouple tip, no lazy red flame.
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    1,977

    If these are all old units , and or they donít...

    If these are all old units , and or they donít have drip legs in the gas line, the pilot safety valves maybe corroded or seized up. Try tapping on the gas valve before you release the pilot knob to...
  5. Replies
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    6,192

    Iím not a fan of the T6 or pro line. Iíve...

    Iím not a fan of the T6 or pro line. Iíve installed maybe 8 and two have failed on the fan circuit.
    They have great all around features but that wimpy connection sub base with spring clips is...
  6. I agree, my manager chose the Speedaire, the old...

    I agree, my manager chose the Speedaire, the old chug chug worked much better until the tank started cracking at the feet.
  7. Replies
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    1,228

    The plastic pivot bushings shouldn’t need any...

    The plastic pivot bushings shouldn’t need any lube. A good blowing out to remove dirt before the filter bank wouldn’t hurt . The food grade silicone spray would work once blown clean but since oil...
  8. Replies
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    2,609

    Not flaking just eroding , so it doesnít effect...

    Not flaking just eroding ,
    so it doesnít effect production or heat exchange etc???
  9. Replies
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    2,609

    I’m not sure on the tin or nickel plating, but...

    I’m not sure on the tin or nickel plating, but the harvest is viewed by photo eyes in the drop area. Just curious what degrading plates would affect.
  10. I am out of the loop on newer residential...

    I am out of the loop on newer residential systems, but my old Carrier split system with variable speed blower has a humidistat thermostat and controls the humidity along with cooling setpoint . Once...
  11. Replies
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    2,609

    I donít work on many ice machines so hereís a...

    I donít work on many ice machines so hereís a question for yíall if you donít mind.
    An older Scotsman machine at a site of mine has a good deal of pitting and erosion on the nickel plated sheets.
    ...
  12. Thread: New A/C advice.

    by Dacman
    Replies
    30
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    1,732

    One or two more posts and you can attach.

    One or two more posts and you can attach.
  13. Beautiful Dackels , Rider.

    Beautiful Dackels , Rider.
  14. Replies
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    Research the codes and manual more , you may be...

    Research the codes and manual more , you may be off on the flash code.
    Research Amanda tech support .
    Nothing wrong with using tech support.
  15. Thread: Micron Gauge

    by Dacman
    Replies
    11
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    724

    Change your pump oil when hot and test your...

    Change your pump oil when hot and test your micron gauge and pump .
    Put the gauge on the pump directly to make sure it is capable of a deep vacuum .
    A proper dedicated micron gauge needs to be...
  16. Thread: Micron Gauge

    by Dacman
    Replies
    11
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    724

    Is this a dedicated micron gauge or just a...

    Is this a dedicated micron gauge or just a digital manifold ?
  17. Replies
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    2,055

    Charge this machine up fully and post your...

    Charge this machine up fully and post your results .
    Once you see it is fully operational.
    Then a leak search.
    One thing at a time is best .
    I like UV dye additive. And a capable light.
    Not...
  18. This one had a warped motor sheave from factory...

    This one had a warped motor sheave from factory that chewed up the belt and silvery metallic oil continuously after several changes with 10-30 synthetic as specification listed. They replaced the...
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    830

    VERY costly part! Ouch!

    VERY costly part!
    Ouch!
  20. Dogs

    Bella is the only dog I have at this time.
    I love Dachshunds and she is my third so far.
    Looking at getting another right now.
    I figured out how to post pictures now , was just hoping to become...
  21. Replies
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    This info changes my diagnosis, You are correct...

    This info changes my diagnosis,
    You are correct for the most part.
    The valve will stay open until you get around 10 to 15 degrees superheat ,
    At this point the valve is ready to start closing a...
  22. Yeh , I know a Grainger product. My DSM chose it...

    Yeh , I know a Grainger product. My DSM chose it as a replacement , 3 hp 30 gallon 460/3 phase, same as the old specs, but seems cheap and flimsy.
    It’s a small site and it only cycles maybe 5 times...
  23. Replies
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    Does this drive look repairable?

    Just kidding , itís toast , itís a Trane
    CVHF570 Chiller. The compressor drive took a hit
    in a lightning storm , blew it up nicely.
    The compressor motor megs out >1000 .
  24. I know , Iím not asking for a fix , but a...

    I know , Iím not asking for a fix , but a Speedaire compressor reliability question.
    Those that have will know.
    Just an air compressor question, for those that have a pneumatic control system...
  25. Replies
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    2,055

    If a txv system , then the txv is stuck open and...

    If a txv system , then the txv is stuck open and not regulating the flow properly.
    It should be wide open with high superheat but start closing down when the suction line temps drop. Raising...
  26. Any one having Speedaire compressor problems on pneumatic control systems?

    This is a way out question possibly?
    I have a chiller site with pneumatic chill water valves. I replaced a failed 460/3 phased air compressor with a Speedaire compressor this year, it has failed...
  27. Replies
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    Is Goodman using any TXVs on their residential...

    Is Goodman using any TXVs on their residential equipment yet?
    Used to be all pistons. As stated setting superheat for pistons, subcool for txv and then recording the full charge is the proper way.
  28. Thread: High SH High SC

    by Dacman
    Replies
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    1,431

    Its a drier, not a dryer. Weeeee, you are fun...

    Its a drier, not a dryer.
    Weeeee, you are fun though!
  29. Replies
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    That’s a very good point as another reason why...

    That’s a very good point as another reason why not to do this.
    Don’t force it to run, let the controls handle it.
    A friend of mine jumped out the controls and forced a 20 ton scroll to run for a...
  30. Thread: High SH High SC

    by Dacman
    Replies
    22
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    1,431

    You can definitely have a minor temperature drop...

    You can definitely have a minor temperature drop on a restricted drier and still have sub cooling measured before it.
    Not a clogged drier.
  31. Thread: High SH High SC

    by Dacman
    Replies
    22
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    1,431

    High subcool with high superheat is normally a...

    High subcool with high superheat is normally a restriction from the expansion valve or drier.
    A restricted drier will have a temperature drop across it , measure a few feet before and after it on...
  32. Thread: Condenser specs

    by Dacman
    Replies
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    533

    York, just set the subcool around 10 degrees is...

    York, just set the subcool around 10 degrees is generic enough and will get it done. If txv, make sure it has a txv . If it has a piston or accurator, then the superheat is what you’re looking to set.
  33. Replies
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    That is correct , but not the proper full charge...

    That is correct , but not the proper full charge level for the split system.
    I think that is allowing for a 15’ line set , anything over that is an additional said oz per foot . How long is the line...
  34. Is this a split system or package unit? High...

    Is this a split system or package unit?
    High side or liquid line at service valve showing zero?
    The leak stop may have clogged the Schrader valve that is showing zero.
    If it was a clogged...
  35. Thread: New A/C advice.

    by Dacman
    Replies
    30
    Views
    1,732

    A new line set is optimal for a new split system...

    A new line set is optimal for a new split system . Different refrigerant and oil , a new properly sized one and clean one is best. They should flush the old one to remove old mineral oil, if not...
  36. I guess I’ll just keep posting till I reach 7 or...

    I guess I’ll just keep posting till I reach 7 or more then photos .
    I’m learning the site slowly. Thanks.
  37. Replies
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    Manually pushing in a contactor is telling you...

    Manually pushing in a contactor is telling you nothing more than the compressor can run and is not a safe or proper practice for trouble shooting anything.
    Itís a bad idea on 240 volt single phased...
  38. Is there a paid subscription to avoid adds and post pictures?

    Is there a paid subscription for this here?
    I am such on another forum and donít have to look at banners adds and unlimited photo posting etc. Is that possible here?
  39. Thread: New A/C advice.

    by Dacman
    Replies
    30
    Views
    1,732

    Have them replace the suction line insulation if...

    Have them replace the suction line insulation if needed.
    The pipe insulation at Home Depot is for plumbing lines and will melt if you have a heat pump. It also needs to be sealed air tight and not...
  40. New here , but a seasoned tech. How do you post pictures with iPad.

    How do you post pictures on this site with an iPad?
    And how do you view subscribed threads ?
    I am on other forums doing this but canít nail this one down. Is there a how to thread?
    Duh
  41. Replies
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    I use the Parker Sporlan Bluetooth sensors set...

    I use the Parker Sporlan Bluetooth sensors set instead of gauges. With a Rokform case on the iPhone , magnet in the case stuck to side of unit , it gives you all the stats on your phone and easy to...
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