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Type: Posts; User: dan perrotta

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    I am looking for a place (web site) , (book...

    I am looking for a place (web site) , (book store) , anywhere I can find good info to gain a basic knowledge on CHILLERS.
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    i had the same problm once with lon and this is a...

    i had the same problm once with lon and this is a long shot cause I havn't used lon in a while but I remember I typed in either password or administrator for the password and got through
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    Ok Ill try that.

    Ok Ill try that.
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    GOOD IDEA!

    GOOD IDEA!
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    rip out the alarm wire and sensor then replace...

    rip out the alarm wire and sensor then replace at your leisure
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    Ca someone tell me how to set the dip switches on...

    Ca someone tell me how to set the dip switches on those big lennoxs where you open the handle on the door to access the compressors and circuit boards. I want to make all stages run and I cant jumper...
  7. Well Your right, The 71 from a 30 to 60 rise is...

    Well Your right, The 71 from a 30 to 60 rise is high and not good, but keep in mind that reading was almost on top of the heat exchanger and the the t-stat was cranked up to almost top temp range So...
  8. THE RESULTS ARE IN The system tested on is a...

    THE RESULTS ARE IN

    The system tested on is a PAYNE upflow/downflow nat. gas furnace. The spces on it are a 35,000 BTU/HR output A Design max outlet air temp of 165*F The air temp rise is listed...
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    Triple evacuation method: -This method is...

    Triple evacuation method:
    -This method is used to ensure all air, moisture, water and whatever other non-condensibles in the system are forced out. It also ensures refrigerant is completly out...
  10. 110 to 120psi is all you need

    110 to 120psi is all you need
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    Maybe there are non-condensibles in the system ,...

    Maybe there are non-condensibles in the system , I would run a triple evac. on it , recharge, and go from there.
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    Yes The scale method is correct. Its refered to...

    Yes The scale method is correct. Its refered to as "weighing in the charge" Im assuming that this is a system that has no refrigerant charge in it at all. So what would happen to weigh in the...
  13. Ok ill do the work, and post the results later....

    Ok ill do the work, and post the results later. Thanks for all the good inputs!
  14. Ok i understand what your saying. The reason this...

    Ok i understand what your saying. The reason this question came up was the books tell you to stay out of the line of sight but when you have a furnace that is in a small closet in a home on the...
  15. AirFlow Measurment- Pressure Drop Method 1....

    AirFlow Measurment- Pressure Drop Method
    1. Drill a quarter inch hole on either side of the evap coil. If it is a slab coil then one hole goes above the coil and the other goes below the coil but,...
  16. I dont think it matters because the blower just...

    I dont think it matters because the blower just moves air accross the coil. So as long as you can wire that blower into the new system I would guess all should be well.
  17. To determine drop accross an "A" coil you simply...

    To determine drop accross an "A" coil you simply drill a hole big enough for a temp probe between the two coils WATCH FOR TUBING, and then drill another above but close to the coil nearest the...
  18. The Question I have on that is When one measures...

    The Question I have on that is When one measures heat rise on a gas furnace should one measure temperature of the supply air out of the line of site of the heat exchanger or does it not matter? All...
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    I agree with swat. I would do anything for this...

    I agree with swat. I would do anything for this industry as long as it does not discredit it. I spend any chance I get reading books , and articals written on all kinds of different levels of this...
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    give um a huge roll of fine grit steal wool about...

    give um a huge roll of fine grit steal wool about 000 to 00 should be good and tell him to go up there once a wk and go to town!
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    How the hack could one ever install a flu pipe in...

    How the hack could one ever install a flu pipe in that manner? Im getting to upset to continue looking at this discrace to the hvac community.
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    That is a terrible install. I would love to see...

    That is a terrible install. I would love to see the one who calls themself an hvac tech and does work like that. Im offering 50$ for info that leads me to the sorry sob.
  23. Thread: C.O.P.

    by dan perrotta
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    Tks. for the info

    Tks. for the info
  24. Thread: C.O.P.

    by dan perrotta
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    762

    When we talk about unitary systems there is a...

    When we talk about unitary systems there is a term that comes up called the cop[cofficient of performance). The formula for this has symbols in it such as Tc Th and I think one other thing but my...
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    That Plumber has great pride!

    That Plumber has great pride!
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