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  1. Replies
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    Each time there's a compressor burn out, you add...

    Each time there's a compressor burn out, you add another suction and liquid drier and some more tar tape. That's just good practice!

    :cheers:
  2. Replies
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    460

    I'm pretty sure they were trying to do what...

    I'm pretty sure they were trying to do what davidj said. You don't want all of the air going through the new big hole instead of the fins.

    To anyone out there though, steel seems like it would be...
  3. Replies
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    614

    I have a few slightly off topic questions for...

    I have a few slightly off topic questions for you...

    Do you have a company operated branch in MN, or if not, are you considering starting one? I know there is a local franchise here, which is...
  4. Thread: Motor Amps

    by ammoniadog
    Replies
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    447

    Think of it this way... If you needed a one...

    Think of it this way... If you needed a one horsepower motor and could chose between a 110V and 230V motor, which one would need more amps? Keep in mind that either one will need to consume the same...
  5. Replies
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    I'll give you a hint. The thermostat controls...

    I'll give you a hint. The thermostat controls both the outside and inside unit, and therefore needs to be connected to both of them. If you can't figure out the wiring diagram that came with the...
  6. I'm with iceman. Maybe you should mix up a batch...

    I'm with iceman. Maybe you should mix up a batch of oily dirt and rub it all over everything.

    Also, get rid of half of that stuff. All you really need is a 10 in 1 and a big hammer. :)
  7. 1. This is done by what's called a "Manual J"...

    1. This is done by what's called a "Manual J" load calculation. This takes into consideration things such as how much insulation is in your walls and attic, number/size/types of windows and doors,...
  8. Yes. In general, an oversized unit will be...

    Yes.

    In general, an oversized unit will be constantly turning on and off every few minutes all day long. In the case of an air conditioner, this causes poor dehumidifying and excessive power...
  9. Many companies don't send out techs equipped to...

    Many companies don't send out techs equipped to do static pressure tests, although it should be a simple and quick test if they have the right tools and they know what they're doing. I recommend...
  10. Replies
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    2,265

    Where I'm from, using steel gas pipe outside that...

    Where I'm from, using steel gas pipe outside that isn't galvanized is considered crazy. We also occasionally use copper for gas piping as well, which I'd bet you would also think is craziness. I've...
  11. Does any of the academic competence that you...

    Does any of the academic competence that you gained in engineering school include knowing how to read a wiring diagram? If so, find the wiring diagram and read it and compare it it what you see...
  12. There isn't a red tag big enough for that mess. ...

    There isn't a red tag big enough for that mess. When you say he lost a leg of power, are you talking about to the whole house, as in he screwed up the big transformer out side or something? Did he...
  13. Replies
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    780

    It sounds like you're doing pretty good for...

    It sounds like you're doing pretty good for having basically no training or schooling yet.

    First thing I'd check if I was in your shoes would be airflow. You said you cleaned the evaporator, so...
  14. The "magic" has to do with convection and thermal...

    The "magic" has to do with convection and thermal dynamics, which naturally makes warm air rise and cold air fall. The warm air will rise, get sucked into the refrigeration coil to get cooled down,...
  15. Have you tried washing out the condenser fins...

    Have you tried washing out the condenser fins with a garden hose? That is something that's usually easy for a homeowner to do and it might fix your problem.

    Some units have hail guards over...
  16. Replies
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    2,265

    That first pic brings me back to a gas piping job...

    That first pic brings me back to a gas piping job I did about 10-15 years ago. My boss had just found out about gastite and thought it was going to be the greatest thing ever. We had a job (not...
  17. Replies
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    768

    It's sometimes a fine line between what could be...

    It's sometimes a fine line between what could be considered de-minimus vs. de-maximus. :whistle:




    Wait, no it's not.... What I do is always de-minimus. :angel:
  18. Replies
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    768

    I read somewhere a while back that the cap tube...

    I read somewhere a while back that the cap tube is inserted a little ways inside of the sensing bulb. Therefore, right side up or upside down doesn't matter. Of course, if you follow the...
  19. Replies
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    736

    Here we go again.:deadhorse: Unfortunately...

    Here we go again.:deadhorse:

    Unfortunately there is no perfect multi-meter. A lot of people like the Fluke 902 because it says "HVAC METER" right on it. It is pretty good and will do most things...
  20. Replies
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    Yes you can oversize the lines, and it can be a...

    Yes you can oversize the lines, and it can be a bad thing. If the suction line is too big, the refrigerant velocity could be too slow to carry the oil back to the compressor. On some refrigerant...
  21. Replies
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    1,535

    Is that soft solder? If so, that guy has more...

    Is that soft solder? If so, that guy has more skills than I do.

    With that being said though, i think Rider is being way generous.
  22. Replies
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    601

    Since the O.P. didn't give any details on what...

    Since the O.P. didn't give any details on what type of compressor he was wondering about, you can't say this is entirely true. I have seen some big "tin-can" reciprocal compressors in an air cooled...
  23. Are you talking about the ICM speed controls? ...

    Are you talking about the ICM speed controls? They are made in the USA. They are one of very few examples of any type of electronic device that actually is.

    :patriot:
  24. Are you saying cheaper equipment is harder to...

    Are you saying cheaper equipment is harder to sell, and that market forces alone wouldn't have caused manufactures to ever try to find ways of building stuff cheaper?

    The government doesn't...
  25. I really don't think the reason they are using...

    I really don't think the reason they are using micro channel coils has much to do with them being better for the environment in any way. I think the real reason is that aluminum is less expensive...
  26. Replies
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    196

    You're welcome. Glad we could help.

    You're welcome. Glad we could help.
  27. Usually tight, well insulated homes have problems...

    Usually tight, well insulated homes have problems with too much humidity, as opposed to too little. I don't think you'll need a humidifier anymore.

    I'm sorry you got ripped off, that really...
  28. Replies
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    1,550

    For you, or for your employer who will be getting...

    For you, or for your employer who will be getting the discount on their insurance?
  29. Replies
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    1,808

    In my day all we had was a round thermostat that...

    In my day all we had was a round thermostat that you had to adjust by actually walking up to it and adjusting it manually. If someone was watching your house and they wanted it warmer or colder,...
  30. Replies
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    686

    If it's the Flux capacitor, it really doesn't...

    If it's the Flux capacitor, it really doesn't come into play until the machine hits 88 mph. Maybe it's doing what it's supposed to do. Be careful though, if you don't know what you're doing, this...
  31. Replies
    21
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    1,156

    The 1075 motor will over amp if it is tries to...

    The 1075 motor will over amp if it is tries to spin with that 825 rpm blade on it. Try it and then check your amp draw. You might be able to adjust the blade up or down on the shaft so that it...
  32. Replies
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    1,874

    Can you coat an entire cooling coil with it so...

    Can you coat an entire cooling coil with it so that you don't need a drain pipe?

    I'm really just kidding, but I do have a remolding job going on right now at a hotel where the ceiling guys tore...
  33. I don't normally recommend this, but for your...

    I don't normally recommend this, but for your situation craigslist.com might be your best option. Try looking up a/c repair and then call up a few people and tell them your situation. A one man...
  34. Replies
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    1,808

    If you get rid of G, won't your a-coil freeze up?

    If you get rid of G, won't your a-coil freeze up?
  35. Rider and Udarrell make good points. If you...

    Rider and Udarrell make good points.

    If you have a 2 stage air conditioner, it should be running for a lot longer than that. Did you get a new 2 stage (or communicating) thermostat to go with...
  36. Replies
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    1,145

    Switch 2 of the wires around :grin2:. ...

    Switch 2 of the wires around :grin2:.


    Actually someone else beat you to it, Poodle. There's already another thread going about this issue.
  37. Thread: funny story

    by ammoniadog
    Replies
    5
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    431

    The link goes to a microsoft word document. ...

    The link goes to a microsoft word document. Here's what it says.....


    Air Conditioning Sizing-It matter
    If you think all homes are created equal when it comes to HVAC,guess again To put into...
  38. Replies
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    834

    Yeah that's true, and for the most part I have...

    Yeah that's true, and for the most part I have accepted that. Most of the internet is free, including this great website that we all use. They get to make money from advertisers, and we get to use...
  39. Replies
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    834

    Anyone have Windows 10 yet?

    Most computers with Windows 7 or 8 on it are now eligible to download Windows 10. Has anyone done it yet?

    My computer has Windows 8.1 on it. For as much hate that's been going around towards it,...
  40. Replies
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    1,734

    Did you look for a welded contactor then or try...

    Did you look for a welded contactor then or try to figure out what is going on? It's not that different than an air conditioner. If you can figure out the sequence of operation, you should be able...
  41. While it might be possible to keep the indoor...

    While it might be possible to keep the indoor part of your system in the attic and just change out the outdoor condensing unit, it wouldn't be advisable. With heat pumps, it's pretty important to...
  42. Where do you live? If you're nearby, I'll come...

    Where do you live? If you're nearby, I'll come over and drink a couple of your beers and help you to get it all figured out.

    By the way, you might want to follow the directions that come with...
  43. I think of rough in as all of the stuff that gets...

    I think of rough in as all of the stuff that gets buried inside of the walls or ceilings. Stuff like wires and pipes and sometimes duct work.

    The framing goes up, all of the "rough in" stuff...
  44. Replies
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    6,000

    There is a such thing as discharge superheat. ...

    There is a such thing as discharge superheat. I'm sure that's not what he meant, but I wanted to point that out.
  45. Replies
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    1,391

    It's also needed for checking many types of...

    It's also needed for checking many types of sensors.
  46. Replies
    27
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    1,391

    Yeah, but it's about the same as the 902 which is...

    Yeah, but it's about the same as the 902 which is the one they market as being their hvac meter. The 902 has always been a disappointment to me because of the low ohms range. The only thing the 902...
  47. Replies
    27
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    1,391

    Fluke 325 is what I use. It's a good all around...

    Fluke 325 is what I use. It's a good all around meter for hvac use.
  48. Thread: Hot tap

    by ammoniadog
    Replies
    2
    Views
    597

    Can you explain a little more about what you've...

    Can you explain a little more about what you've got going on there? Is that blue thing sticking out of that pipe some type of butterfly or ball valve? Did you do the welding? Was the pipe filled...
  49. Replies
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    767

    When I first started out in this career I felt...

    When I first started out in this career I felt the same way, like I was screwing up more than I was fixing. The amount of money that my company charged per hour was a lot, and I felt bad that the...
  50. Replies
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    464

    No filter driers on a 50 ton system??? :eek2: ...

    No filter driers on a 50 ton system??? :eek2:

    Both compressors should be replaced AND new liquid and suction filter driers should be installed. Get the "HH" type. If it were me, I would dump a...
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