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  1. Thread: LLSV coil

    by Sicofthis
    Replies
    12
    Views
    345

    Doesn't take very long either.

    Doesn't take very long either.
  2. Thread: LLSV coil

    by Sicofthis
    Replies
    12
    Views
    345

    It will overheat and melt/burn up. Senior tech is...

    It will overheat and melt/burn up. Senior tech is right on this one.
  3. Replies
    16
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    584

    cool

    cool
  4. Just to be clear, Your problem is the unit...

    Just to be clear,

    Your problem is the unit running 3/4 of the time, maintaining temp setpoint, and keeping between 48% and 52% humidity?
  5. I definitely don't disagree. I blame the seer...

    I definitely don't disagree. I blame the seer rating system and not the installer.
  6. Sounds like person preference, I wouldn't fault...

    Sounds like person preference, I wouldn't fault the installer on the basis that you consider his matched system mismatched.

    I do get your reasoning though. If the blower speed is slowed for first...
  7. Sorry, cannot help with diy.

    Sorry, cannot help with diy.
  8. Replies
    43
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    4,023

    Lol, pretty awesome.

    Lol, pretty awesome.
  9. Replies
    3
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    156

    599931

    599931
  10. Replies
    3
    Views
    156

    modbus slinc gateway

    I work on alot of these troublesome package units and one of them is being more of a pain in the #$× than the others.

    Johnson Controls 20ton rtu with simplicity board, modbus to bacnet gateway.
    ...
  11. Replies
    6
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    3,476

    umm, 9 years too late to make that sale.

    umm, 9 years too late to make that sale.
  12. about .43 lbs lol Sounds like something I...

    about .43 lbs

    lol

    Sounds like something I would say.
  13. Replies
    42
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    3,072

    Thanks, that's a good idea. I have a fluke...

    Thanks, that's a good idea.

    I have a fluke 52II, I hardly ever use my temp probes on digi cools so, I decided not to add that fuctionality to my gauges.

    Thermistors could easily be added to...
  14. Replies
    42
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    3,072

    http://images.tapatalk-cdn.com/15/05/27/f3ce2d6b68...

    http://images.tapatalk-cdn.com/15/05/27/f3ce2d6b680086ebcabd703551eee9e6.jpg

    Dont get no perttier than dat.
  15. Replies
    42
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    3,072

    The programming is coming along, all refrigerants...

    The programming is coming along, all refrigerants that I'm gonna add are in there.

    22, 410a, 134a, 407c

    Here's a rough vid showing the progress.

    Homemade Digital Gauges Test Stage:...
  16. Replies
    42
    Views
    3,072

    That would be pretty sweet. Not really possible...

    That would be pretty sweet. Not really possible with the current components as far as I know.
  17. Replies
    42
    Views
    3,072

    If you used a 5000 psi transducer. Yes

    If you used a 5000 psi transducer. Yes
  18. Replies
    42
    Views
    3,072

    Sorry for taking so long responding, I'm at the...

    Sorry for taking so long responding, I'm at the beach for memorial weekend.

    200 psi for suction 500 psig for discharge.

    water fuel oil air transducer 5v input
    output range 0.5v to 4.5v
    ...
  19. Replies
    42
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    3,072

    I wrote my own and looked at examples for other...

    I wrote my own and looked at examples for other things to figure it out.
  20. Replies
    42
    Views
    3,072

    lol, I had to look up what gpio stood for. I...

    lol, I had to look up what gpio stood for.

    I may or may not add temp sensors and I have thought about adding logging to an sd card. That port is usb on the arduino uno microcontroller.

    I have...
  21. Replies
    42
    Views
    3,072

    Homemade Digital Gauges

    Digital gauges have been around for a while so I didn't really invent them. I designed and coded (a simplified c++) them myself so I hope I am in the right forum.

    This is still a work in progress...
  22. Replies
    22
    Views
    1,299

    When did you buy a new car that was not from a...

    When did you buy a new car that was not from a dealer?

    When did you build a car yourself from online components and get a manufacturer's warranty for the car?

    oh well.
  23. Replies
    56
    Views
    3,329

    "most" modern condensers.

    "most" modern condensers.
  24. Replies
    15
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    1,367

    yeah, had a job were the 06d compressor was...

    yeah, had a job were the 06d compressor was replaced and the line weight was removed. I had to go back and replace the weight to stop the vibrations. it was so bad it was causing shorts in the...
  25. Replies
    19
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    1,665

    I'm not advocating use of these fittings. But...

    I'm not advocating use of these fittings. But when are you seeing 300 degree discharge lines?
  26. Replies
    11
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    559

    Doubt you'll have any net savings, much less any...

    Doubt you'll have any net savings, much less any to pay for a recovery machine. Sounds like you need to go to trade school or start as a helper with a company.

    You've got the right idea in that...
  27. Replies
    79
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    7,463

    It's the liquid line entering a chiller barrel,...

    It's the liquid line entering a chiller barrel, that one is on a mcquay.

    Alot of older chillers leak on the steel nipple entering the cooler where the insulation and paint have deteriorated. I've...
  28. Strange that they ducked every support beam. But...

    Strange that they ducked every support beam. But the install looks nice.

    Excessive noise should not be something you have to put up with.

    Kinda depends on if it is a design, installation, or...
  29. When I do it, it says tube id (inner diameter) is...

    When I do it, it says tube id (inner diameter) is .5450.

    I don't see an area result.

    Using that id in quick calculations, im at the dentist. im getting .233 square inches for 5/8 od and .076...
  30. icemeister, how'd you come up with those cross...

    icemeister, how'd you come up with those cross sectional areas?
  31. Replies
    89
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    7,174

    I've seen it happen quite a few times. For...

    I've seen it happen quite a few times.

    For example the last one I saw a 5 ton compressor grounded, didn't blow the fuses, didn't trip the three pole breaker supplying the unit, didn't trip the...
  32. Wera with quick release and 11 in 1 paid 15...

    Wera with quick release and 11 in 1

    paid 15 for mine

    http://www.amazon.com/gp/product/B003KN3HLI/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1
  33. Something is wrong with your control. supply...

    Something is wrong with your control.

    supply air hitting the sensor
    wall air entering stat
    bad sensor location
    improper tstat settings
    many others

    You want a bandaid, a separate outdoor...
  34. What kind of setback/scheduling is on the problem...

    What kind of setback/scheduling is on the problem zone?
  35. 543751 That's the output chart for a trane...

    543751

    That's the output chart for a trane coil using 3/4 piping, this chart is for up to 100k. We don't have a model number for your coil.

    Just showing that output btus do increase with water...
  36. Thread: Cooling Off

    by Sicofthis
    Replies
    60
    Views
    5,794

    I'll bite. Could have been caused by the drain...

    I'll bite.

    Could have been caused by the drain line because....

    5) shrub root system traveled up the drain line and grew baby shrubs in the pan!
    Long live Groot!

    4) line was sucking air...
  37. Replies
    36
    Views
    5,917

    Dumbfounded. That electical flex looks like...

    Dumbfounded.

    That electical flex looks like crap also.
  38. Replies
    79
    Views
    7,463

    Blue rods are nice, fixed this steel leak with...

    Blue rods are nice, fixed this steel leak with em.

    Before

    525271


    After

    525281
  39. Replies
    22
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    1,356

    IMHO a hot attic will not have high humidity....

    IMHO a hot attic will not have high humidity. Fans blowing on you in a hot attic will normally dry your sweat fast.
  40. Replies
    22
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    1,356

    A fan is to help evaporate sweat.

    A fan is to help evaporate sweat.
  41. Replies
    22
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    1,356

    OP evaporated. or heat exhaustion...

    OP evaporated.

    or heat exhaustion...
  42. Replies
    130
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    8,413

    Me, plus a good chunk of my coworkers and I'd bet...

    Me, plus a good chunk of my coworkers and I'd bet a good amount of commercial techs on this site.

    Most techs would be expected to at least have a basic understanding of these, where I work.
  43. Replies
    130
    Views
    8,413

    Nothing against auto techs but, I'm gonna have to...

    Nothing against auto techs but, I'm gonna have to disagree.

    Refrigeration, brazing, electrical, plumbing, ddc, pnuematics, air distribution, networking, compressor rebuilds, chillers, cooling...
  44. Replies
    22
    Views
    1,356

    Fans, fans, and more fans blowing directly on...

    Fans, fans, and more fans blowing directly on you. Keep a jug of ice water with you and drink it often.

    Oh and wear clothes that allow your sweat to evaporate.
  45. Replies
    130
    Views
    8,413

    I could care less if a homeowner wants to fix his...

    I could care less if a homeowner wants to fix his own stuff. More power to him.

    This site is a community of professionals. Thats why I joined it and it's great because of it. We help each other...
  46. Replies
    69
    Views
    4,523

    x2 I worked for an ac company that wasn't...

    x2

    I worked for an ac company that wasn't paying for all the time they should. I'm not sure of all the details, it was resolved before I was hired. My coworkers told me one guy brought it up with...
  47. Replies
    47
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    7,998

    South Louisiana's where its at.

    South Louisiana's where its at.
  48. Replies
    8
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    496

    Yeah, my bad. Trane definitely makes 2 and 1/2...

    Yeah, my bad. Trane definitely makes 2 and 1/2 ton units. But like baldloonie said, the varible capacity units may be restricted to whole tonnages.
  49. Replies
    8
    Views
    496

    1) If you're keeping the duct work, I would stay...

    1) If you're keeping the duct work, I would stay with two systems.

    2) I would not upsize, trane sells 2 1/2 ton units.

    3) Zoning can be great. But, even with all new ductwork designed for a...
  50. Incorrect. All objects above absolute zero...

    Incorrect.

    All objects above absolute zero radiate heat, based on emissivity, surface area, and temperature. Our surroundings will radiate heat to us and we will radiate heat out to our...
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