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Type: Posts; User: Opcom

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  1. Replies
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    1,771

    the music notes is a position that beeps and is...

    the music notes is a position that beeps and is useful for continuity and semiconductor checking.

    notice the position of the pointer on the knob. It is in an undefined position. It might say...
  2. Thread: False load

    by Opcom
    Replies
    35
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    6,251

    They were too dumb to hang a warm resistor under...

    They were too dumb to hang a warm resistor under it and let convection warm the control. Not that I have ever done that in a cheap&stingy hotel or anything.
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    North Texas.. I didn't ask about the customer....

    North Texas.. I didn't ask about the customer. Probably a house in an HOA. Such areas usually have plenty of dirty rats and squeaking mice.

    HVAC and other things like water heaters seem to...
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    shameful housekeepers

    pics from a friend, the a/c system in the attic. The black and mess is all from rats.

    Apparently these people have never heard of things like exterminators or cats.

    312741

    312751
  5. 100CFM = 50% of my tonnage? Ok I will reconsider...

    100CFM = 50% of my tonnage? Ok I will reconsider that. Less is more.

    I'll look into this "Ultra-Aire 70H". I'll ask my a/c contractor about it, likely need a professional to install something like...
  6. summer dehumidification, make up air, and room to room grilles

    Now that the Dallas Texas weather is getting better for chores, there are some things that could make my a/c better. Its a 3 ton unit in a poorly insulated 1000SF house but it does well since I...
  7. Replies
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    4,135

    gasses are gasses but people are *sses. A guy I...

    gasses are gasses but people are *sses. A guy I knew used to win bets that he could burn a hole in an aluminum beer can or pie plate with a cigarette. He would inhale nitrous oxide from one of those...
  8. To be fair, I never had anything go wrong with...

    To be fair, I never had anything go wrong with the long block. HVAC/R-Wizard if you cast the parts, thank you, as those items have never given trouble.

    From an owner and operator perspective,...
  9. Replies
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    5,190

    For all those who complain about personal...

    For all those who complain about personal automobiles, consider that commercial jet airliners make thousands of times as much pollution as cars, per person per mile, and that takes into account the...
  10. Ford 6.4 Powerstroke - 8 month horror finally ended

    8 months ago I bought a 2008 F-550 flatbed with 89000 miles. It has a 6.4 Diesel and it was still just under the drivetrain warranty. A properly designed small automotive diesel should run 250K with...
  11. Thread: Shame or Pride?

    by Opcom
    Replies
    24
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    5,193

    lack of effort? with all those wood pieces? looks...

    lack of effort? with all those wood pieces? looks like too much work considering the result.
  12. Thread: building an AC

    by Opcom
    Replies
    19
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    2,119

    This is very interesting.. I wouldn't bother with...

    This is very interesting.. I wouldn't bother with a 2A unit either unless I wanted to cool a coffin or a closet.

    The only things beside the pet-cool item that are like air conditioners and might...
  13. Replies
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    1,810

    OK. I was reading the pressure after the coil. I...

    OK. I was reading the pressure after the coil. I should be able to move the line to before the coil/after the furnace. It goes filter-blower-furnace-coil-ducts. So I'll move it.

    When we saw the...
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    3,199

    I always specify "no ice" when at a restaurant. I...

    I always specify "no ice" when at a restaurant. I spent a few underemployed months in the back rooms of a couple of them and believe me I check the water glass, silverware, and plates before I eat....
  15. Looks like President Obama wants to appease black...

    Looks like President Obama wants to appease black people by starting an ill-conceived scheme that will only result in more of the children being criminals and put in jail as adults. By the time they...
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    Thanks for these replies and good points. 1....

    Thanks for these replies and good points.

    1. Since the job was done I have a very noticeable increase in airflow. I like that. I don't know if the increase is due to the the removal of a thick...
  17. Replies
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    amp draw on universal air handler motor

    Please excuse this long question, and it being a strange thing to ask about. I wanted to be complete about the whole situation so the events and the system are described as best as possible.

    I...
  18. Replies
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    780

    New in Dallas Texas

    I'm here out of interest in the technology, its development, and design improvements.

    I sometimes repair my own HVAC equipment or upgrade it from time to time. I have a vendor I can trust and...
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