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Type: Posts; User: macgivor

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  1. Replies
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    8,243

    Re.: HVAC SUPER PRO (liquid joint-fusing...

    Re.: HVAC SUPER PRO (liquid joint-fusing compound)
    Manufacture says it is an acrylic resin material, but I am surprised that an acrylic can withstand 350 degrees F. without softening. Manufacture...
  2. going from 134a poe to R22 alkyl --QUESTION

    18cu.ft Frig, 1/4hp ,cap Tube ,at Present R134. Compressor Died But Not A Burn-out. (6yr Old Frig). Want To Replace With A Compressor That Has Alkyl Oil And Use 408 Or 409.
    Is A Flush -out...
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    4,857

    re. the 90% pull-in & 35% pull-out

    Are you sure it is 35% before it pulls-out? Mabey it's
    75 or 85% and the 3 was misread?
    If it is 35% that would help explain why the hall
    overheats since the 3rd heater hangs in there too...
  4. relocating condensor unit of a selfcontained reach-in freezer?

    4 1/2 years ago a customer bought a 3door reach-in
    display freezer. In that short 4 1/2yrs I serviced this
    unit 9 times that I recall (maybe 1 or 2 more if I dig
    deep). Maybe you know this...
  5. compact fluor. lightbulbs: what is true wattage?

    I tried contacting Sylvania,Philips, & Ge about this
    question, but without results. Each fluorecent bulb states
    that it is 13watt,18watt,23watt, etc.; but when you see the
    milli-amp printed on...
  6. NormChris quiz- The temp. rise & humidity

    Dear Phillygal, glad to see that you have many responses;
    a main factor is called design temp, and this is usually based
    on an outdoor temp of 95 degrees. This means that when the
    outdoor temp...
  7. Thread: NFPA-70-E

    by macgivor
    Replies
    5
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    659

    re.: NFPA CODE - ARC FLASH PROTECTION

    Macgivor here; responding again. I understand the concern and possibilities of the arc flash, but at 10 volts, I cannot
    see the danger or harm that would require the full body suit protection you...
  8. Thread: NFPA-70-E

    by macgivor
    Replies
    5
    Views
    659

    re.; NFPA rule

    Are you sure about the voltage being 10 (ten) volts?
    Maybe you forgot a few zeros .
    Macgivor
  9. Replies
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    564

    I stuck my foot in my mouth. A good customer...

    I stuck my foot in my mouth. A good customer asked me if a know a way to turn-off a light that was left on and forgotten about (such as in a closet, attic, etc.), I said yes because I was thinking of...
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    re,: pex antifreeze question: the red color...

    re,: pex antifreeze question:
    the red color disappearing after a week or so can be normal depending on the type and source of the colorant (dye) used.
    Did the antifreeze come with red dye in...
  11. Installed a replacement (exact replacement)...

    Installed a replacement (exact replacement) compressor for a 39mbtu refrig. condensor unit; the unit being 8 years old, the original compressor died. I told owner it would cost $700-800 to replace...
  12. Replies
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    NormChris quiz- The temp. rise & humidity

    I must admit that I read the term relative humidity as
    just plain old HUMIDITY, until I read the rest of the question.
    How conditioned we are to terms used so often (or loosely). Anyway, Norm gave...
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    460

    As Norm Chris posed a question a couple days ago,...

    As Norm Chris posed a question a couple days ago, ( how many degrees out of phase is 3 phase), I would like to ask that question of 2 phase (yes, there still is 2phase being used).
    How many...
  14. Replies
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    12,530

    re.: tmccar1665 's question of how btu in a car...

    re.: tmccar1665 's question of how btu in a car a/c

    pardon the answer from wolfdog that it is 7tons at highway speeds (that's 84000 btu)I think wolfdog is thinking of a 50 passenger tour...
  15. Replies
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    12,907

    Unbelievable ; hall of shame

    re.: PaysonHVAC 's response to my (macgivor) answer about
    Ice machine Undertaker's response.

    Payson, you took me too seriously. Of course you can not hook-up any...
  16. Replies
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    12,907

    Ice- Machine-Undertaker has a valid point about...

    Ice- Machine-Undertaker has a valid point about the need for turning a compressor on its side; that is, to get the oil out. So, all who think a compressor should never be tilted more than 39 degrees,...
  17. Replies
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    12,907

    turning a compressoron its side to lube it

    The talk of turning a compressor upside down or on its side to distribute the oil before start up cannot be considered as a practical or necessary means just because the unit may have sat in...
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