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  1. Replies
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    Please understand we don't know the extent of...

    Please understand we don't know the extent of your knowledge. Not knowing your qualifications my advice was simply make sure you know what you are doing. We don't know the extent of what you are...
  2. Agree with CHOPS. Set the speed you want on the...

    Agree with CHOPS. Set the speed you want on the VFD and forget about.
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    If you are charging flooded lead acid batteries...

    If you are charging flooded lead acid batteries you need to do a lot more than monitor one fan. Start with the authority that has jurisdiction which should be the fire marshal and proceed from there....
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    The object appears to be maintaining the room...

    The object appears to be maintaining the room differential pressure. If so do it like the hospital isolation rooms do it. The only reason you are concerned about the fan is the result of it's...
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    I think he has a closed valve brad. Unlike...

    I think he has a closed valve brad. Unlike chilled water it doesn't take a lot of hot water to heat.
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    Hillary and Obama don't live there.

    Hillary and Obama don't live there.
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    TAB is enjoyable. I will email you the...

    TAB is enjoyable. I will email you the calculations I started with. That will give you something to analyze. Part of the problem on this job is I have way too much fan for heating. That is difficult...
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    I dumped the last two I found in their laps. This...

    I dumped the last two I found in their laps. This is a tough job that has a history of comfort problems to the point most people working there are convinced it can't be fixed. Almost all the FBB'S...
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    No problem Cajun. The screws were put in during...

    No problem Cajun. The screws were put in during the damper installation. Sheet metal guys know they are supposed to leave all balance dampers wide open. The ones that are closed almost always have...
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    Balance Dampers Locked With Screws

    I am balancing a building equipped with FPB'S. I have gone to 5 FPB'S and found 4 balance dampers that had screws holding them in place. This eats a balancers time in a hurry.
    What is so difficult...
  11. Thread: Why Trump?

    by WAYNE3298
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    532

    The Obama wave was equivalent to throwing a...

    The Obama wave was equivalent to throwing a pebble in the ocean. There is no hope for anyone that can't see the difference in Trump's economy and Obama's.
    Every month under Obama the job numbers...
  12. Thread: Why Trump?

    by WAYNE3298
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    532

    Yeah corn Obama did a great job. He understood...

    Yeah corn Obama did a great job. He understood there was a new normal meaning we were never going to thrive again and expect 15 to 20 million Americans living in poverty. Trump hasn't got that yet so...
  13. Thread: Why Trump?

    by WAYNE3298
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    532

    I love Trump because he is crude (just like me),...

    I love Trump because he is crude (just like me), I love Trump because he defends himself no matter what. I love Trump because he gets things done no matter who doesn't like it.
    I love Trump for...
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    I think the valves are DN20 (3/4") not PN20. I...

    I think the valves are DN20 (3/4") not PN20. I have been told 2 or 3 things about the plug but didn't know what to believe. I'll be watching brad to see what you find out. The most logical thing I...
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    His description fits single duct boxes with...

    His description fits single duct boxes with hydronic heat. The coil can be on the box inlet or outlet or duct mounted but on VAV'S they are almost always on the box outlet.. He said the pipe is cold...
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    You are not getting hot water flow. Check for...

    You are not getting hot water flow. Check for plugged strainers and nonfunctional valves or closed isolation valves.
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    Adam Schiff College Class Ranking

    Does anyone know where Schiff placed in his college class. Must not have been too good because I can't find it.
  18. Thread: Impeachment

    by WAYNE3298
    Replies
    1,431
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    19,362

    Calling these liberal idiots clowns would be too...

    Calling these liberal idiots clowns would be too degrading to clowns. There are no bomb shells but they are bombing out. It is too absurd to watch. Since when are legal proceedings based totally on...
  19. Coolcoil the reason is this is a nursing home and...

    Coolcoil the reason is this is a nursing home and it generates a lot of humidity. The unit will serve the purpose of humidity control and building pressurization. It will have a heat wheel and should...
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    If we were to freeze his assets that would make...

    If we were to freeze his assets that would make us as corrupt as the left. We need to free the educational system of political influence.
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    The agreement would have to be punitive for them...

    The agreement would have to be punitive for them in some way if they violate the terms of agreement.
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    We could form a company and call it something...

    We could form a company and call it something like the "GET OUT OF DODGE CORPORATION". Our mission statement could "you go but don't go slow".
    I'm sure there are better ideas but this is a start.
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    If the rats really leave I will come out of...

    If the rats really leave I will come out of retirement if necessary to help buy them one way tickets to far away socialist countries. I will be in my mid 80's by then but will work in a wheel chair...
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    The left GA are more like infants than mere...

    The left GA are more like infants than mere children. If things are not to an infants liking they don't just whine they go into an all out hissy fit. There hasn't been a dry eye on the left for 3...
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    He is the elevator music alright but don't expect...

    He is the elevator music alright but don't expect to hear anything on the top floors.
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    Make it bite size and we will help you eat it up....

    Make it bite size and we will help you eat it up. My guess is you have electric reheat.
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    I started to get certified in commissioning but...

    I started to get certified in commissioning but after looking into it decided it was more paper work than substance. For that reason I never got certified. My opinion of it guys. The original intent...
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    NEBB does have a standard form for each...

    NEBB does have a standard form for each application. I now have my own forms on the computer. I only had one set of instruments calibrated. I compared the other instruments to the calibrated ones. It...
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    brad agree that is stupid but how and why did a...

    brad agree that is stupid but how and why did a competitor have that authority? I think a competitor would try that in an effort more to discredit than anything else. If there is a problem a...
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    hvacker when TAB instruments are calibrated a...

    hvacker when TAB instruments are calibrated a list of readings at various airflows for example are included with the report. There doesn't have to be a pissing match. When I was challenged I...
  31. Last I heard they are seriously considering AAON....

    Last I heard they are seriously considering AAON.
    Thanks and as always some good info given.
  32. Schiff for brains (I stole that) hasn't told the...

    Schiff for brains (I stole that) hasn't told the truth about anything in years if ever. He isn't going to start now. Remember he had the goods on Trump with the collusion crap but what happened to...
  33. Thread: Impeachment

    by WAYNE3298
    Replies
    1,431
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    19,362

    The obvious purpose of the impeachment crap is to...

    The obvious purpose of the impeachment crap is to erode Trump's support in order to beat him in 2020. That is easy to see because this is going to end in the senate and the democrats know that for...
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    Have you totally lost it corny?? Trump's phone...

    Have you totally lost it corny??
    Trump's phone call was not only appropriate but what Hands did needs prosecuted. He bragged about what he did and to democraps that makes it OK. HOW SICK!!!!!!!!!!!...
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    Come on Mikey give the poor libs a chance. I Know...

    Come on Mikey give the poor libs a chance. I Know a couple of accomplished liars but don't know anyone that can even come close to countering the truth you posted.

    THAT IS A GREAT POST YOU WIN...
  36. Replies
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    I had one building with VAV electric reheat with...

    I had one building with VAV electric reheat with grossly over sized heat coils and a grossly undersized RTU. Didn't work and the engineer blamed the whole thing on me. He boasted his people could...
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    Got it JBH. I am not a fan of running longer to...

    Got it JBH. I am not a fan of running longer to dehumidify. I much prefer to sub-cool and reheat. For resi I doubt if that is ever done. I have only done resi work for friends.
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    I don't know what manual J has but years ago the...

    I don't know what manual J has but years ago the engineers I knew used a fluff factor of 25%. I don't know what it is now but probably around 10%. I would size for total heat. I would rather have an...
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    I use brad's method. Backed up with one actual...

    I use brad's method. Backed up with one actual fan RPM reading it is very accurate.
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    Good points brad.

    Good points brad.
  41. Have him check the amp draw of the motor. If over...

    Have him check the amp draw of the motor. If over amped the tech probably adjusted the belt by adjusting the motor sheave. I assume we are talking about the hood fan.
  42. Thread: Impeachment

    by WAYNE3298
    Replies
    1,431
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    19,362

    Biden and a whole lot of democrats are corrupt so...

    Biden and a whole lot of democrats are corrupt so what's the problem. If you don't think Biden is corrupt you haven't seen his video bragging about being corrupt. That isn't a I think he is corrupt...
  43. The fan laws apply no matter the application. It...

    The fan laws apply no matter the application. It takes more energy to move air than to develop static pressure. If you open the doors and let the static pressure go down the fan current draw will...
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    Unlike the demented democrats unsubstantiated...

    Unlike the demented democrats unsubstantiated claims about Trump Hands is on video admitting (bragging) about blackmailing a foreign leader.
    Is that really OK?
    Trump doesn't need dirt on Biden or...
  45. The leftist (liberals) are planting the seeds for...

    The leftist (liberals) are planting the seeds for total takeover of our lives. If they are successful our economy would immediately drop drastically. One huge result would be their controls would...
  46. You need to know what the system was designed to...

    You need to know what the system was designed to do. Chiller and coils design water and airflow flow (GPM & CFM) and delta T. That's an over simplification but a good place to start.
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    Thanks pageyjim. I had forgotten about that...

    Thanks pageyjim.
    I had forgotten about that post. I was actually thinking of another thread where we discussed conservation of energy. When I said most of the motor energy input was converted to...
  48. Take away the toilet paper.

    Take away the toilet paper.
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    icy I remember a conversation on another thread...

    icy I remember a conversation on another thread like you said but don't remember posting what you said. Someone on that thread did argue that all energy is converted to heat.

    Coolcoil I was...
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    An electric motor inside an AHU which is inside...

    An electric motor inside an AHU which is inside the airstream typically raises the air temperature 2 to 2.5 degrees F. This tells you that inside the unit most of the KW input is converting the power...
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