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  1. Replies
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    honeywell digital questions

    Is honeywell digital round tstat t8775a 1009 compatible with taco gold zone valves, in a oil fired, hydronic baseboard set up? If so what size is the resistor supposed to be i have seen and read...
  2. Thread: Sizing Unit

    by jwatts361
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    582

    yea, i kinda meant 2 coils as condenser and evap...

    yea, i kinda meant 2 coils as condenser and evap are my 2 coils. Basically im kinda new at this and we removed a unit today that was 18000 btus and the compressor was junk. I have a good compressor...
  3. Thread: Sizing Unit

    by jwatts361
    Replies
    5
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    582

    Ductless split unit, r-22 refrig.

    Ductless split unit, r-22 refrig.
  4. Thread: Sizing Unit

    by jwatts361
    Replies
    5
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    582

    If i had 2 coils w/18000 btu capacity, and a...

    If i had 2 coils w/18000 btu capacity, and a compressor with a 13000 btu capacity. Could I run the system with a better seer rating or would this system not function properly.
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    Can you run copper pipe and support it w/steel...

    Can you run copper pipe and support it w/steel hangers, or will this cause corrosion. I always use copper plated ones but trying to look up online what the exact reason is behind it is tough to find....
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    78 psi shouldn't freeze the coil, where does it...

    78 psi shouldn't freeze the coil, where does it start? At the metering device? Ive seen stuff plug up the metering device when its a fixed orifice maybe a restriction somewhere in the line?
  7. I sometimes do a quick method which is i take my...

    I sometimes do a quick method which is i take my suction pressure convert to temp. Measure my temp coming out of the evap coil and subtract the two.
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    Soft solder you need flux to help clean all the...

    Soft solder you need flux to help clean all the oils and help the solder flow (i always sand the joints even though some flux will say that it cleans the copper thats my preferance), brazing doesn't...
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    Very nice units, i actually just took a training...

    Very nice units, i actually just took a training course on them, really good effeciency because of the inverter driven compressor. We are actually going to be installing a couple of these but on w/7...
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    Thanks =}

    Thanks =}
  11. Replies
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    Sight glass on unit? No frost is good frost. Good...

    Sight glass on unit? No frost is good frost. Good Airflow? possible restriction? What is the head pressure on it? If you have no superheat i would be weary adding much more juice to the unit or you...
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    May be a dumb question, but I've heard both sides...

    May be a dumb question, but I've heard both sides of this and am curious. Can you use T-tape on nat gas threads? Most people tell me it eats through that, but they use teflon impregnated dope to put...
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    Are you sure its a leak inside the coil? They...

    Are you sure its a leak inside the coil? They happen but aren't super common, could save you some cash if the leak isn't inside the coil.
  14. Thread: installing

    by jwatts361
    Replies
    3
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    556

    Work? or work properly, everything should be...

    Work? or work properly, everything should be sized properly in the system, by having a larger evap coil you will obtain a high superheat and starve the compressor. You shouldn't use a mis sized coil...
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    The short probably burned your transformer, but...

    The short probably burned your transformer, but can't really get too much into it without asking questions that could potentially dangerous. ={
  16. Thread: AC Problem

    by jwatts361
    Replies
    6
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    638

    If its a gravity drain could be either a clog or...

    If its a gravity drain could be either a clog or bad pitch, most likely a clog they tend to do that, and should be cleaned out whenever you have your unit serviced.
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    Would have to see the unit first and how it is...

    Would have to see the unit first and how it is wired, so many are set up so many different ways. If you don't have 24 volts it sounds like the transformer is bad, but can't really recommend more...
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    Just another note, the switches don't usually go...

    Just another note, the switches don't usually go bad very often. It is more common for you to have a low charge on refrig, which would cause it to work properly by opening and closing. So chances are...
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    yea don't attempt to change yourself not only...

    yea don't attempt to change yourself not only could you possibly hurt yourself but you could also damage the system. What it does is basically stops the unit from running if you have a low charge of...
  20. I agree on replacing it, especially w/the price...

    I agree on replacing it, especially w/the price of gas.
  21. Remember too that a bigger size unit is not...

    Remember too that a bigger size unit is not always better, because it will not have time to dehumidify. It will run and cool quickly. So I would have someone come in and do a calc on your loads...
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    Sounds like a loose connection on your low...

    Sounds like a loose connection on your low voltage end, like they said. Could also be a low psi switch tripping on and off, is it tripping quickly or does it run for a little bit open then run again...
  23. Thread: boiler, nice

    by jwatts361
    Replies
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    5,416

    I thought that either way it doesn't matter where...

    I thought that either way it doesn't matter where your circulator is, at least it shows it in both places w/a weil mclain book im reading. I always put mine on the return side to keep the higher...
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    Most likely is a sticky contactor or a t-stat...

    Most likely is a sticky contactor or a t-stat that is bad.
  25. Thread: ac freez up

    by jwatts361
    Replies
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    1,408

    If airflow is good i would check your suction...

    If airflow is good i would check your suction psi, maybe low on charge, do you notice any sight glass bubbles?
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