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  1. Would something like this work? ...

    Would something like this work?

    https://images-na.ssl-images-amazon.com/images/I/71YpgMFVvmL._SL1205_.jpg
  2. Replies
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    205

    There's no such thing as a free lunch. Well,...

    There's no such thing as a free lunch. Well, actually there is, but its usually a pretty crappy lunch that might have been dropped on the floor and probably has hair in it.

    Then they charge you...
  3. Most of the high end systems are designed to use...

    Most of the high end systems are designed to use what is known as a "communicating" controller. These are proprietary thermostats that are designed to better control functions such as variable speed...
  4. Thread: old fridge

    by ammoniadog
    Replies
    18
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    495

    C'mon BB, really? Are you just messing with us?...

    C'mon BB, really? Are you just messing with us?

    The problem with laying it down is that the oil that's supposed to be in the bottom of the compressor can drain out and go somewhere else. Also,...
  5. Thread: old fridge

    by ammoniadog
    Replies
    18
    Views
    495

    That's not how things work. If it "needs...

    That's not how things work. If it "needs refrigerant", then that means some of the refrigerant has leaked out from somewhere.

    If the system still has the proper amount, adding more will not...
  6. Duh.... Take another look at what you wrote and...

    Duh.... Take another look at what you wrote and see if any light bulbs light up.

    Seeing make up air units without filters is a big pet peeve of mine. I used to go around to different places...
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    Are you interested in cordless, or 110V only? ...

    Are you interested in cordless, or 110V only? Some of the newer 20V units work surprisingly good, although if your planning on doing some serious core drilling I would still probably go with the...
  8. This got me too a couple of years ago. I was...

    This got me too a couple of years ago. I was taught it was supposed to be a minimum of 3" long, then I looked it up and saw that the national code said any length was good, then I found out that...
  9. My apologies. Your water heater gas piping looks...

    My apologies. Your water heater gas piping looks really nice.

    :cheers:
  10. Both pics are wrong. You are correct in that...

    Both pics are wrong.

    You are correct in that there should be a tee with a dirt leg on that water heater.
    Your furnace is wrong too though because of the white teflon tape. That stuff's not...
  11. It's all good. I've been doing this for over 15...

    It's all good. I've been doing this for over 15 years and have gone through tons of schooling and training and there are still days when I feel like a new guy who doesnt know $hit.

    That's...
  12. Well, it was technically 5 years for me, although...

    Well, it was technically 5 years for me, although I felt like an apprentice for much longer than that. Not everyone is naturally gifted in the world of HVAC/R and sometimes it takes a while before...
  13. You really have a tent? Is it an ice fishing...

    You really have a tent?

    Is it an ice fishing tent or hunting blind or something? I'm guessing it would have to be something with out a floor in it. Pik-nik shelter? I've never heard of anyone...
  14. Many companies make (or used to make) r22. It...

    Many companies make (or used to make) r22. It should all be the same no matter which company made it.

    It is currently being phased out due to environmental reasons though, and is getting to be...
  15. Yes, the indoor coil can be used with either...

    Yes, the indoor coil can be used with either refrigerant (with the correct corosponding metering device), but the outdoor unit is r22 only.

    Water shouldn't be "leaking" from the outdoor unit, but...
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    473

    What part of the country are you guys in? Is...

    What part of the country are you guys in? Is there any union presence where you are, and if so, any possibility of him getting in.

    Where I am, the union contract requires that the employers...
  17. Huh??? The suction line is cool. The...

    Huh???

    The suction line is cool.
    The capillary tube is warm.

    If they are joined together the suction line will get a little warmer (more superheat) and the capillary tube will get a little...
  18. Replies
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    1,552

    The explanation is that the 1.5 degrees of...

    The explanation is that the 1.5 degrees of subcooling that you think you see is really zero degrees SC. Either your gauges or your temperature giver, or a combination of both are 1.5 degrees out of...
  19. Yes, that idea is stupid. Very stupid. It's not...

    Yes, that idea is stupid. Very stupid. It's not a perpetual motion machine that we're talking about here. The heat from the condenser needs to be rejected to someplace other than the place you are...
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    5,260

    Sometimes new walk in freezers do take forever...

    Sometimes new walk in freezers do take forever before the fans turn on, even when the DFTD starts to get surrounded by frost. If I get tired of waiting I will sometimes grab an upside down CO2...
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    5,260

    Yeah, I know that guy. He works at a shoe store...

    Yeah, I know that guy. He works at a shoe store in the mall. His job is to help fat women stuff their feet into shoes all day.

    At least he used to. Now I think he sells closets and has married...
  22. I don't know what size system you need, but if a...

    I don't know what size system you need, but if a proper Manual J was done on this house to begin with, I doubt that it was sized to maintain 71°. That's a pretty low temperature to design a system...
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    327

    This is not true. I am a union Pipefitter and...

    This is not true.

    I am a union Pipefitter and I can tell you that in my union, along with all of the other building trades type unions that I'm familiar with, the negotiated wages are a MINIMUM...
  24. If his micron gauge actually got to 300, I would...

    If his micron gauge actually got to 300, I would tend to believe the vacuum was good. Especially if he also did the pressure test with nitrogen and then re vacuumed it like you said he did.
    ...
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    231

    Yes. As long as you are talking about keeping...

    Yes. As long as you are talking about keeping the refrigeration circuits separate between the 2 systems this would be easy. Either single stage or 2 stage would work, and it shouldn't be hard to...
  26. Replies
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    327

    It's already a law in many large cities. The law...

    It's already a law in many large cities. The law of supply and demand was making it this way anyways. Employers were having a hard time finding people to do minimum wage jobs so they had to up...
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    446

    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?
  28. 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...
  29. Replies
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    542

    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...
  30. Replies
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    637

    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...
  31. Replies
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    637

    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...
    ...
  32. Replies
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    637

    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...
  34. 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...
  35. 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...
  36. 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...
  37. 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...
  40. 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?
    ...
  41. 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...
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    729

    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...
  43. 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...
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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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    799

    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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    3,391

    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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    3,391

    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:
  50. 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...
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