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Type: Posts; User: shellkamp

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  1. Replies
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    138

    Pretty cool. You should put a bottle of blue...

    Pretty cool. You should put a bottle of blue pills next to your screen

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  2. Replies
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    675

    I'm on the east coast - lots of rain yesterday...

    I'm on the east coast - lots of rain yesterday morning caused some flooding on some streets and standing water in my backyard, but it drained away throughout the day. Some decent gusts last night but...
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    675

    It would be an honor to profit from your hard...

    It would be an honor to profit from your hard work.



    That's 10 percent of total revenue, not gross or net.

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  4. Replies
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    675

    Anywhere in Florida Sent from my E7110 using...

    Anywhere in Florida

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  5. Replies
    31
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    675

    Bring your work truck, give me 10 percent of all...

    Bring your work truck, give me 10 percent of all your revenue and you can operate under my license.

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  6. Replies
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    651

    Apply for a part time job at the restaurant,...

    Apply for a part time job at the restaurant, brine training starts on day 3 or 4, depending on how quickly you can master griddle-scraping.

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    535

    Job security Sent from my E7110 using Tapatalk

    Job security

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  8. Replies
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    535

    Okay, okay, sure. The dinkiest equipment paired...

    Okay, okay, sure. The dinkiest equipment paired with the most expensive conduits and fittings, you can use the conduit as a ground.

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  9. Replies
    22
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    535

    You can't use the conduit/raceways as THE ground...

    You can't use the conduit/raceways as THE ground these days anyway, like I said, it would be in situations where the previous equipment followed different codes and the clueless installers didn't...
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    535

    My thoughts were along the lines of a disconnect...

    My thoughts were along the lines of a disconnect installed long ago with a seal tite (metallic) whip that were dependent on the conduit for their grounding, but then when equipment was replaced the...
  11. Replies
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    535

    It doesn't look terrible to access but...

    It doesn't look terrible to access but technically you're supposed to have access/clearance directly in front of it. At least around here in Florida.

    I wouldn't look to move it unless I was being...
  12. This is good, you're dutifully scanning a/c...

    This is good, you're dutifully scanning a/c manuals - for now. They don't suspect a thing. Soon enough you'll slip in one of the recipes for di-lithium crystal synthesization, which will allow us to...
  13. Thread: HVAC

    by shellkamp
    Replies
    32
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    740

    Full time mentally challenged. Sent from my...

    Full time mentally challenged.

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  14. Replies
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    876

    It's difficult to get "too much" airflow on an...

    It's difficult to get "too much" airflow on an air handler, since it's literally designed to provide the proper airflow for the given tonnage, and not much more.

    I'm not saying it's something...
  15. Replies
    24
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    876

    Jim Davis would say that the "correct" airflow...

    Jim Davis would say that the "correct" airflow for a furnace would be what produces the highest temperature split and the lowest stack temperature - which, in my opinion, drills it down to the...
  16. Replies
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    876

    I don't know that I agree with your thinking - to...

    I don't know that I agree with your thinking - to me, all other things equal, including evaporator coil temperature, the faster air would result in more 'bypass air", which would cause the supply air...
  17. Replies
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    1,222

    That goes to the generator that's powering the...

    That goes to the generator that's powering the electric water heater

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  18. The two basic types of pistons you'll normally...

    The two basic types of pistons you'll normally encounter are the flow-rater style, which fits in the chatlef fitting you normally encounter in Goodman, Lennox, and rheem/ruud equipment.

    The second...
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    1,222

    Looks very square, neat, and clean. I like it...

    Looks very square, neat, and clean. I like it overall.

    Suction line and drain line look a little close to the cabinet but I know you've installed enough of these to not give yourself grief trying...
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    552

    Give the cheap-hourly-rate apprentice a hose and...

    Give the cheap-hourly-rate apprentice a hose and come back to relieve him before he hits 40?

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  21. Replies
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    552

    One of those large fans from home Depot could...

    One of those large fans from home Depot could work for a day or so while you wait. Lots of dry ice would work, too... Or renting a refrigerated trailer.


    How'd cutting the blade work out?


    ...
  22. Replies
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    418

    Traditionally; a nomograph, but these days you...

    Traditionally; a nomograph, but these days you can just use the boxload.tecumseh web app

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  23. No, I made the spreadsheet already Sent from...

    No, I made the spreadsheet already

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  24. It's possible, they could certainly ballpark it...

    It's possible, they could certainly ballpark it with the seer rating and system capacity, but I think it's probably just based on enthalpy difference since they do it based on "per ton".

    I think...
  25. What I like to do is take the compressor...

    What I like to do is take the compressor performance data to find out the capacity of the system at the given numbers, take the supply and return enthalpy numbers, and then use the airflow formula to...
  26. Where does the hot gas line terminate at the...

    Where does the hot gas line terminate at the evaporator?

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  27. Thread: Training

    by shellkamp
    Replies
    6
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    520

    We do the work for a "tech school" with an HVAC...

    We do the work for a "tech school" with an HVAC class. Years ago they would have the instructors and students go up on the roof and "take a look" at things, sometimes just to look at things while...
  28. Replies
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    1,107

    Weak compressor with a bad cap possibly. Sent...

    Weak compressor with a bad cap possibly.

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  29. Replies
    25
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    1,103

    Filter driers in Florida must suffer different...

    Filter driers in Florida must suffer different maladies than the rest of the country.

    I see quite a few that look like they're rusting from the inside out. The paint starts to randomly bubble up...
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    1,103

    For me it depends how the rust presents itself. ...

    For me it depends how the rust presents itself.

    Is it just pealing paint and surface rust? I would say leave it be.

    If it looks like the paint is blistering because of rust forming beneath it?...
  31. Replies
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    773

    Physics applies to refrigeration systems,...

    Physics applies to refrigeration systems, regardless of the application.

    There's a reason residential installations are more forgiving - typically the piping sizes for a given capacity are smaller...
  32. Replies
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    449

    It's definitely possible to repair. You might...

    It's definitely possible to repair. You might need to call around to find someone willing to do it and they may or may not offer a warranty on the repair, but it's certainly possible.

    Sent from my...
  33. Replies
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    441

    Are you sure? None of the frosty factory machines...

    Are you sure? None of the frosty factory machines I've worked on only had a low side port.

    Might be towards the front of the machine accessed through a side panel.



    Sent from my motorola one...
  34. Replies
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    If you're real easy with the torch and you...

    If you're real easy with the torch and you surgically remove the sheet metal and fins around the puncture point, you can typically dab some brazing rod over the hole without having to waste $7.50 in...
  35. Replies
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    2,029

    Have you checked the integrity of the thermostat...

    Have you checked the integrity of the thermostat wires by the outdoor unit? I'm assuming this is a residential application and it is a 10 year old unit, the sun probably baked off a good bit of...
  36. Replies
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    434

    Where did you test the sensors? I always test...

    Where did you test the sensors?

    I always test the sensors from the wiring harness connection to the EVC board, for DC voltage when connected AND resistance when disconnected. If the readings...
  37. Replies
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    2,404

    Definitely not common. I've never seen one in the...

    Definitely not common. I've never seen one in the wild and haven't found a need to use one for it's stated purposes - keeping out ants and other debris.

    It's like $50 for a 30 amp rated contactor....
  38. Thread: subcooler

    by shellkamp
    Replies
    35
    Views
    1,416

    You can't gain efficiency in a system by...

    You can't gain efficiency in a system by exchanging heat within the same system.

    There are cases where you might need a suction/liquid heat exchanger at the evaporator due to a long line set,...
  39. Thread: subcooler

    by shellkamp
    Replies
    35
    Views
    1,416

    What are you planning on subcooling the...

    What are you planning on subcooling the refrigerant with and what is the intended purpose?

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  40. Thread: subcooler

    by shellkamp
    Replies
    35
    Views
    1,416

    What are you subcooling the liquid line with? ...

    What are you subcooling the liquid line with?

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  41. Replies
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    789

    If you spell that out in your contract that you...

    If you spell that out in your contract that you won't cover refrigerant, even within your labor warranty of the install, fine.

    But I have a hard time not seeing that as blindsiding the customer if...
  42. Replies
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    2,404

    Soft start would definitely be better than a hard...

    Soft start would definitely be better than a hard start. I purchased a rebranded Emerson for about $250-275 I think it was.

    I put one on my 21K BTU nominal compressor. It didn't make an audible...
  43. I think Emmanuel is on vacation this week. ...

    I think Emmanuel is on vacation this week.

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  44. Replies
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    1,230

    You can't even talk about gift card prices here? ...

    You can't even talk about gift card prices here?

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  45. Replies
    10
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    1,139

    3 heads are better than one Sent from my...

    3 heads are better than one

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  46. Replies
    35
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    1,999

    I was just instigating Sent from my motorola...

    I was just instigating

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  47. Replies
    35
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    1,999

    I can't believe they're charging $55 for that!...

    I can't believe they're charging $55 for that! It's two pipe cutter wheels and a handle! Nothing to it!

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  48. Replies
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    734

    That's a variable speed system that controls...

    That's a variable speed system that controls airflow and compressor capacity based on the load.

    Are you saying the 65 percent humidity is the current state inside your home?! If so, then...
  49. Thread: Wet switch

    by shellkamp
    Replies
    27
    Views
    1,100

    How did the heat create condensation? Sent...

    How did the heat create condensation?

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  50. Replies
    3
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    3,868

    I thought we were going to see a really good...

    I thought we were going to see a really good haircut.

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