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Type: Posts; User: bobster

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  1. High suction could be caused by high heat load on...

    High suction could be caused by high heat load on the evap. What is the air temperature entering the coil?
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    Ditto. No DIY here.

    Ditto. No DIY here.
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    Does China even have a minimum wage?

    Does China even have a minimum wage?
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    1,549

    I'll try it next time. Always looking for a...

    I'll try it next time. Always looking for a better way.
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    I went on one a couple of weeks ago where the...

    I went on one a couple of weeks ago where the lady had called one of these companies (their TV pitchman is a former local college football QB) and they told her she needed to replace her system. ...
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    I never thought about cleaning a blower wheel...

    I never thought about cleaning a blower wheel without taking the blower housing out & taking the motor off. I use a toothbrush & shop vac. It's a nasty job.
  7. Not to be picky, but the 12 degrees of superheat...

    Not to be picky, but the 12 degrees of superheat is not picked up during evaporation - latent heat is picked up during evaporation.

    Then after complete evaporation, more heat (superheat) is...
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    The bulletin, disappointingly, had nothing to say...

    The bulletin, disappointingly, had nothing to say about *why* mismatches cause premature compressor failure. I don't question that it's true, necessarily, its just something I'm trying to understand.
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    Voltage doesn't "go in" or "come out", as I know...

    Voltage doesn't "go in" or "come out", as I know you know. It's measured between two points in the circuit.
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    Can you post a better copy of the bulletin? I'd...

    Can you post a better copy of the bulletin? I'd like to read it.
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    X2. The wiring / schematic diagram is your best...

    X2. The wiring / schematic diagram is your best friend. Use it.

    The sum of the voltage drops around the load side of the circuit will equal the supply voltage. Use your meter to find the one...
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    X2

    X2
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    Sent it back to Testo & they fixed it.

    Sent it back to Testo & they fixed it.
  14. I really need to learn how to weld...

    I really need to learn how to weld...
  15. Where did you buy the angle iron stand (or did...

    Where did you buy the angle iron stand (or did you make it)?
  16. You mean before setting the curb? That stuff is...

    You mean before setting the curb? That stuff is pretty well embedded in the tar...?
  17. Second link says photo's no longer there. I'd...

    Second link says photo's no longer there. I'd really like to see this, as I have the same situation next week. Setting a 3 ton American Standard on a tar & gravel flat roof.
  18. Thanks rundawg & mark. I was astounded they had...

    Thanks rundawg & mark. I was astounded they had 3-1/2 tons in an 1150 sq. ft. house. But then I discovered they had floor returns up through the walls & across to a pan duct made of ceiling wall...
  19. Help reading old GE/TRANE model & serial numbers

    One of the old "cube" type condensers by GE / TRANE:

    Model # BGTA742B1A01
    Serial # 201948301

    Is this a 3-1/2 ton unit made in 1st week of 1983?

    House was built in 1964, 1150 sq. ft.
  20. Thread: Bathroom scale

    by bobster
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    X2

    X2
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    Expectations are premeditated resentments...

    Expectations are premeditated resentments :whistle:
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    I don't look at the maximum return velocity as a...

    I don't look at the maximum return velocity as a (primary) design value. I look at it as a value not to be exceeded due to noise considerations. The primary focus is on static pressure drop.
    ...
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    After thinking about it some more, it seems to me...

    After thinking about it some more, it seems to me that I would need to create a wall construction which added the U values for the garage - interior wall to the U value for the exterior garage door...
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    Manual J question

    I'm trying to get better at doing Man Js, so I'm practicing on my house. I have an attached, unconditioned 2 car garage. How should the walls between the garage and the interior of the house be...
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    X2...
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