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Type: Posts; User: LRB

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  1. Replies
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    That's what I was hoping for thank you

    That's what I was hoping for thank you
  2. Replies
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    Yes a National Comfort Product 2 ton??

    Yes a National Comfort Product 2 ton??
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    Suction line filter drier

    I removed a thru the wall condenser unit that had a suction line filter just above it with the service ports. It appears to be original and I noticed when I cut it loose it had accumulated a bit of...
  4. Thread: Trane eev system

    by LRB
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    244

    4 stories and 300 years old in the top attic and...

    4 stories and 300 years old in the top attic and tstat is on a floor and a half below. I will respond after the weekend of running with the total enthalpy calculations on Monday and you will have...
  5. Thread: Trane eev system

    by LRB
    Replies
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    244

    Trane eev system

    When I started this call the customer was not comfortable. It's a TAM4A0B42 with a 4A7A3042D1000AB
    Supply air was 63/64, return was 79/80 and pressures were bouncing around not stable. SH was 34/35...
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    Measured and adjust upflow from the coil?

    Measured and adjust upflow from the coil?
  7. Replies
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    I'm past the science of static I get it. This is...

    I'm past the science of static I get it.
    This is a very popular setup that I find and no one makes this adjustment on installs and most are oversized because techs are afraid to do the math and...
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    Thanks for the info, I just ordered a new...

    Thanks for the info, I just ordered a new recliner...........
  9. Replies
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    Does that add moisture to the house in CA? I will...

    Does that add moisture to the house in CA? I will drop it to MED LO and see what happens. I would think it would run longer?
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    I actually reduced the speed. It's a PSC 4 speed...

    I actually reduced the speed. It's a PSC 4 speed motor 3 ton 16x14 return into a 20x16 filter box. Supply is 19x21. I have not tested the velocity yet.
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    I'm good with leaving it on HIGH but ultimately...

    I'm good with leaving it on HIGH but ultimately where is the happy ending? Too much is ok? I had one customer last week say the fan adjustment helped her 2nd floor in 90 plus. This week I had a...
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    There are 3 systems and I am assuming the other 2...

    There are 3 systems and I am assuming the other 2 have adjusted some of the temperature and humidity. Is it logical to reduce the speed anymore?
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    Ameristar is .50 and my readings are 1.09 on High...

    Ameristar is .50 and my readings are 1.09 on High and even on Med High I am at .94
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    Static pressure troubles

    Most all of the systems it seams like I am testing static pressure in cooling are over the design static of the manufacturers system design. Several I can't adjust down far enough and still get the...
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    This would be #1

    This would be #1
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    Additive or replace?

    I found a system yesterday that we installed 4 years ago that the customer said wasn't cooling. Had 410, 57/251 with 9.3 SC, 2 1/2 ton. Coil was starting to frost. I have been replacing these TXV's...
  17. Thread: Sight glass

    by LRB
    Replies
    39
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    2,952

    Exposing the bad ones is exactly the point. I had...

    Exposing the bad ones is exactly the point. I had a tech that moved on and I followed up on his customers PM's this year and they told me he told them he didn't want to put his gauges on the...
  18. Thread: Sight glass

    by LRB
    Replies
    39
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    2,952

    I use digital gauges mostly and it has helped...

    I use digital gauges mostly and it has helped tremendously on the accuracy of the charge. I'm sure there is the opposition but the numbers speak for itself from before and after especially from the...
  19. Thread: Sight glass

    by LRB
    Replies
    39
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    2,952

    Genius, everyone has talked me out of it so I put...

    Genius, everyone has talked me out of it so I put a service tap on the indoor coil
  20. Thread: Sight glass

    by LRB
    Replies
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    2,952

    Good point. I know most everyone who sees a sight...

    Good point. I know most everyone who sees a sight glass it's the first thing you look at for a minute or 2.
  21. Thread: Sight glass

    by LRB
    Replies
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    2,952

    This topic has certainly brought out some...

    This topic has certainly brought out some interesting feedback. Appreciate the input and experiences.
  22. Thread: Sight glass

    by LRB
    Replies
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    2,952

    Actually that is the assumption that seems to be...

    Actually that is the assumption that seems to be the reason I would use it for if you see the bubbles add or check for issues but for obvious reasons you have mentioned it certainly is not for that...
  23. Thread: Sight glass

    by LRB
    Replies
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    2,952

    I had an issue last week that the temperature...

    I had an issue last week that the temperature difference was fine but the TXV had a 35 SC. Tested the TXV and ended up replacing it. It was doomed for an emergency call.
  24. Thread: Sight glass

    by LRB
    Replies
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    2,952

    Makes it easy doesn't it.... thanks

    Makes it easy doesn't it.... thanks
  25. Thread: Sight glass

    by LRB
    Replies
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    2,952

    No I'm not new to the business and safety is...

    No I'm not new to the business and safety is always my priority!! In the City with most split system units are put on the roof I do take the most care in preparation but that's not what this post was...
  26. Thread: Sight glass

    by LRB
    Replies
    39
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    2,952

    I had another tech tell me that worked for me say...

    I had another tech tell me that worked for me say he never used his gauges on our PM's with his customers and this year I followed up and found multiple issues with TXV's on 3 different systems. The...
  27. Thread: Sight glass

    by LRB
    Replies
    39
    Views
    2,952

    Sight glass

    Why don't you see more sight glass' in the field?
    So I recently purchased a handful of 3/8" liquid line sight glass' to install on some difficult split system roof top units that are really unsafe...
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    It should be attached to the draft hood....

    It should be attached to the draft hood. Unfortunately like me it's wasn't noticed until the owner complained about hot water supply running out and then on inspection I noticed the brown pipe issue....
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    RUUD Model - PVRP75 Serial - RUNG0205104533

    RUUD Model - PVRP75 Serial - RUNG0205104533
  30. Replies
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    https://www.phcppros.com/articles/1911-is-pvc-an-a...

    https://www.phcppros.com/articles/1911-is-pvc-an-acceptable-vent-material-for-flue-gases

    So to your statement about scaling this article which is well written states like you have Jim that with...
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    It is a 2PSI gas system with a Maxitrol regulator...

    It is a 2PSI gas system with a Maxitrol regulator so that would be a good check. I was curious to know what temperature the stack should be. Yes the gas pressure certainly could be an issue. It's an...
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    Power vent water heater

    I was checking on a boiler today and noticed the 3" PVC vent was discolored on a RUUD 75 power vent water heater. The white of the pipe was actually a reddish brown color from the motor connector out...
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    The new ACR Press fittings are good for 700 PSI I...

    The new ACR Press fittings are good for 700 PSI I have not tried them but a friend said his company just bought the jaws and said they paid around $3K for them 1/4" - 1 1/8". I guess in the...
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    I had an employee who soldered a fitting on a...

    I had an employee who soldered a fitting on a piece of cast iron baseboard down next to the floor and instead of using a shield he went ahead and decided to get r dun and he called me and asked if he...
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    Propress vs sharkbite

    25 year warranty for Sharkbite fittings is impressive. Propress is allowed underground bury. It's hard to do that when you know brazing gives you a forever feeling. 40 years of experience is hard to...
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    :ditto:

    :ditto:
  37. :patriot:

    :patriot:
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