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  1. Replies
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    You are too picky. I think you should change. ...

    You are too picky. I think you should change. Deal with it!

    By the way, was there any point to your post?
    Is fiberglass nylon even a thing?
  2. That's one of those new single motored condensing...

    That's one of those new single motored condensing units that I've been reading about. The motor, which is inside of the compressor, spins both the compressor scroll thingy and the fan at the same...
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    That's actually a very good question. I don't...

    That's actually a very good question. I don't know the codes, but I'm guessing there's something in there about buildings with elevators needing a back up power source.

    Perhaps they will need...
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    Thanks for letting me know the pic wasn't...

    Thanks for letting me know the pic wasn't working. I tried linking to the pic from Google Photos, but apparently that doesn't work (although I could see it). Sorry about that. Let's try it this...
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    Ok, here's a picture of the official looking...

    Ok, here's a picture of the official looking notice a co-worker took at the supply house...
    ...
  6. Replies
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    ProPress Gas fittings no more?

    I overheard someone at a plumbing supply house talking about how ProPress Gas fittings have been taken off of the market last week. I've been trying to find more details about this, but I haven't...
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    On behalf of my fellow hvac techs and installers...

    On behalf of my fellow hvac techs and installers out there, please accept my deepest apologies for all that has happened.

    Any time you have a mechanical room that has a floor that's not made for...
  8. Actually the ∆T comes out to be about the same...

    Actually the ∆T comes out to be about the same (somewhere around 20°), weather you are dealing with an air conditioner, cooler, or freezer.

    Just for fun, let's say you had a walk in freezer and...
  9. Don't follow the thumb, especially if you don't...

    Don't follow the thumb, especially if you don't know where it's been.

    Since you keep thinking about this saturated temperature though, let me try to go through this a little bit, how I understand...
  10. I'm guessing the thing you were thinking of that...

    I'm guessing the thing you were thinking of that hangs off of the side of the ductwork is probably a humidifier. Yeah, you would probably need more room for one of those, but a cooling coil is...
  11. How did you get his license number? There...

    How did you get his license number?

    There really is nothing standard about a "full HVAC inspection". There also is no standard amount of time that a system should take to pull down the...
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    That's not how squirrel cage blowers work. ...

    That's not how squirrel cage blowers work. Besides the fact that you probably have a single phase motor that wouldn't change directions just by "reversing the wires", even if you were able to...
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    If you mean by taking the blower assembly out and...

    If you mean by taking the blower assembly out and laying it on it's side so that the motor is hanging into what's supposed to be the supply duct, and blocking off the other intake hole on the...
  14. Why were you trying to charge to 30F saturated? ...

    Why were you trying to charge to 30F saturated?

    What was the box temperature when you were doing this?

    Was the sight glass full? Did you have enough liquid refrigerant in the receiver?
    ...
  15. That was probably caused by the bumpy roads that...

    That was probably caused by the bumpy roads that exist between the factory in Mexico and wherever it is that you live.

    Until Trump comes through on his promise to prevent all of those units from...
  16. Replies
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    No such thing as a "perssure side" or a "hot...

    No such thing as a "perssure side" or a "hot side".

    Your terminology is wrong and you don't understand the basic flow of refrigeration. That's ok though.

    Typically, the larger pipe is the...
  17. The whole deal is the pressure temperature...

    The whole deal is the pressure temperature relationship with the refrigerant. That's where the magic is.

    Take 40° water in a garden hose and put your thumb over the end of the hose and you will...
  18. Replies
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    It might be doing more work at that exact moment...

    It might be doing more work at that exact moment in time, but overall it will be doing less work because it can reach setpoint sooner and shut itself off.

    Then when it's not running the superheat...
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    You're right, it doesn't look like there many...

    You're right, it doesn't look like there many good options there.

    Could you come right out of the dryer with some hard aluminum vent piping and go along that wall underneath the window and then go...
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    Abandon the currant dryer outlet and redo the...

    Abandon the currant dryer outlet and redo the dryer venting inside of the house so that it goes up as high as it can go and then out the wall. I would go to just under the roof soffit if possible,...
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    The guy that got hurt obviously wasn't wearing...

    The guy that got hurt obviously wasn't wearing his proper PPE, so it was his own fault. It was also the electrician's fault because they didn't give the unit a proper ground like they were supposed...
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    This probably isn't the correct way to go about...

    This probably isn't the correct way to go about it, but I would be tempted to bypass the middle section of that contactor and wire nut L2 and T2 together. Then write a note somewhere near the wiring...
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    Um, yeah. A simple description without the...

    Um, yeah.

    A simple description without the pics might have probably been enough. Thanks though.

    :Faint:
  24. Nope, but for whatever you're doing with it I...

    Nope, but for whatever you're doing with it I would strongly recommend going with filters wider than 1".

    Besides doing a crappy job with filtering and being overly restrictive, 1" filters will...
  25. Yes, but to clarify what 71Chops was trying to...

    Yes, but to clarify what 71Chops was trying to say, if the system has a non-bladder-type expansion tank there should be no "auto" air vents anywhere. The idea is that any air in the system should...
  26. Replies
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    Get someone to modify your system so that you can...

    Get someone to modify your system so that you can install a larger filter. A 4" or 5" thick filter will filter better, allow more airflow through it, and will last a lot longer.

    With that being...
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    That's not asbestos and it's not a furnace. That...

    That's not asbestos and it's not a furnace. That there is a boiler.
  28. Replies
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    Yes, electrically the compressor was probably...

    Yes, electrically the compressor was probably fine. Unfortunately, sometimes you get a tech who isn't too good at troubleshooting. It's hard to find good techs these days.

    Hopefully if they keep...
  29. Thread: Bemused

    by ammoniadog
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    775

    Was your window shaker running at a similar load...

    Was your window shaker running at a similar load and outdoor air temperature as the other system?

    Does your window shaker have the same sized condenser and evaporator fan motors as the split...
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    What's lineset tape? OK, I just looked it up. ...

    What's lineset tape? OK, I just looked it up. I've been looking for something like this for several years, I never knew it existed. I have been using black duct tape, but that stuff sucks. I'm...
  31. Thread: Bemused

    by ammoniadog
    Replies
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    775

    What is the issue? How many watts do you figure...

    What is the issue? How many watts do you figure it should be consuming? Remember, it's not just a 1hp motor (compressor) that you have there, you also have a condenser fan motor, an indoor blower...
  32. Replies
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    That is a thing of beauty! That is definitely...

    That is a thing of beauty! That is definitely the right way to do it, but few people have the patience (or a sharp enough knife) to accomplish anything close to being that nice.

    If I were to try...
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    Even if what he's doing doesn't seem to make any...

    Even if what he's doing doesn't seem to make any sense, it might make sense to him. My advice would be to quit trying to reason with the guy and leave the poor bastard alone.

    If it's really this...
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    I hate the noise that turbo torches make. Way to...

    I hate the noise that turbo torches make. Way to loud.

    That, along with the fact that oxy/acetylene is more versatile and works better and isn't really that much heavier makes me wonder why...
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    I think he means when the mountains turn blue...

    I think he means when the mountains turn blue you're good.

    That's from the Coors school of refrigeration knowledge 101.

    :cheers:
  36. According to Copeland/Emerson, as of 2006, 50%...

    According to Copeland/Emerson, as of 2006, 50% seems to be the magic number of the amount of mineral oil that can be mixed with POE that they are OK with.

    Here's a link to where I found this...
  37. If you have no understanding of how things work...

    If you have no understanding of how things work or no common sense, then by all means do only what you have been taught. That doesn't guarantee good sleep though.

    Personally, I might have trouble...
  38. Thread: R-449a

    by ammoniadog
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    Can you get R448A? R448A and R449A are about as...

    Can you get R448A? R448A and R449A are about as close to being exactly the same as you can get.
  39. Replies
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    The 2 completely separate systems you have there...

    The 2 completely separate systems you have there probably can be run off of one thermostat, but it might be a little tricky to figure out the wiring to get everything to work correctly. If the hvac...
  40. Not much benefit of doing it that way, but I'm...

    Not much benefit of doing it that way, but I'm sure it would work fine if the equipment was designed properly.

    Using a better suited refrigerant for the lower temperature part might allow for a...
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    Most Somalians are good, a few are crazy. Just...

    Most Somalians are good, a few are crazy. Just like ANY OTHER RACE.

    Plenty of white people get into fights, mug/rob people, burn stuff down and scam welfare systems too.

    I'm sure if someone...
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    I think you were closer the first time. I would...

    I think you were closer the first time. I would be worried that as the thing catches up and the load drops, the superheat will drop too.

    Are you measuring superheat near the evaporator or right...
  43. I agree with pecmsg that you don't appear to have...

    I agree with pecmsg that you don't appear to have a clue as to what you're doing or talking about.

    First of all, you seem to be backwards on what you think is the evaporator and what you think is...
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    Are you saying you've never seen a plugged cap...

    Are you saying you've never seen a plugged cap tube on a system that has no access ports, or are you saying that there is moisture in many systems from when they were built at the factory?
  45. I didn't follow the whole story, but it sounds...

    I didn't follow the whole story, but it sounds like Google is planning on getting rid of the Nest network, what ever that is. I'm not sure if they will be completely shutting it down, but it sounds...
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    Wow, sorry to hear that. Hopefully that's in the...

    Wow, sorry to hear that. Hopefully that's in the past and you are getting better now. I wish you a full recovery and no further surgeries.
  47. Replies
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    https://hvac-talk.com/vbb/image.php?u=1660203&date...

    https://hvac-talk.com/vbb/image.php?u=1660203&dateline=1557575214


    Holy crap perk33, what the hell did you do to your head? Please make a second post and tell us about it.

    I once knew this...
  48. A standard thermostat will probably work good...

    A standard thermostat will probably work good enough if you're just going for the cheapest repair possible, but if it were me I would spend the extra money and go with the Infinity controller.

    The...
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    Whatever. It's a hobby or game to some people. ...

    Whatever. It's a hobby or game to some people. Just like gambling. You think eventually your number will come up and you'll win it big by being the last survivor on earth. Yippee!

    Personally...
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    WHAT??? Who is Ammoniadog? WHO THE HELL IS...

    WHAT??? Who is Ammoniadog? WHO THE HELL IS RMSG01? THAT's the real question!

    By the way, anytime Hvacker or anyone else wants to come over to work on my stuff, feel free. I have no problem with...
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