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  1. Chiller model?

    Chiller model?
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    Turbo core is a maglev shaft. When you hit...

    Turbo core is a maglev shaft. When you hit E-Stop, the shaft crashes into the touchdown bearings, instead of slowing, stopping, then setting down on the bearings. Continued crash will likely cause...
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    Of course, why wouldnít it? And really the...

    Of course, why wouldnít it?

    And really the Earthwise purge isnít manufactured by Trane.
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    Corny, Iíve struck a new appreciation and respect...

    Corny, Iíve struck a new appreciation and respect for you. The abortion comment is important. I believe the Democratic Party has been hijacked by left wing radicals. The original party that...
  5. Uuuhhmm, yeah Scott....maybe you need to take a...

    Uuuhhmm, yeah Scott....maybe you need to take a step back from the corny pipe.

    Extremism on either side helps no one.
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    2,460 deaths in the US?

    2,460 deaths in the US?
  7. he's making the point that nobody is watching...

    he's making the point that nobody is watching CNN, or PMSNBC, etc. but now that his briefings have restarted, all of those channel's ratings are going up. they should be thanking him for the added...
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    I just wonder what's happening behind the scenes...

    I just wonder what's happening behind the scenes right now. seems like every time something like this comes up that completely distracts the general public, the feds are pulling something sneaky...
  9. I don't see any HVAC use.....any systems we use...

    I don't see any HVAC use.....any systems we use will always be on, or don't fully drain when off.


    you might focus on the homestead / "prepper" sector. those would be situations where people...
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    Thatís AWESOME!! Uranus is farting on the...

    Thatís AWESOME!! Uranus is farting on the universe!
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    Thatís some funny Chit right there!!

    Thatís some funny Chit right there!!
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    I like to reverse the wires, install as high...

    I like to reverse the wires, install as high rated capacitor as I have...300-400ís are good...and beat the crap out of them. Then hit the go button! LOL!

    Had a cap blow up once. That was...
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    I had a friend who had the same thing happen....2...

    I had a friend who had the same thing happen....2 brand new compressors bad for same piece of equipment.

    compressor went bad, supplier provided new one, it was bad.....supplier warrantied, the new...
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    Obama would have saved us all.....it only took...

    Obama would have saved us all.....it only took him 10 months and 6,000 deaths from H1N1 to enforce a travel ban.

    better yet, if Hillary were president, she could have just suicided the virus, and...
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    the thing I find interesting on that map is where...

    the thing I find interesting on that map is where the virus ISN'T located. I wonder if it's that those countries aren't reporting it, or there actually aren't any cases.

    From that map, only a...
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    without any technical info, it's very hard for us...

    without any technical info, it's very hard for us to assist you.

    could be multiple problems with the unit, the compressor, other components, etc. etc.

    I'm voting for another system component...
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    not a bad idea I guess. I wonder how they piped...

    not a bad idea I guess. I wonder how they piped the drains inside the wall......
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    I was referring to the OP of shutting down all...

    I was referring to the OP of shutting down all equipment for a building. with no air movement, or mechanical cooling, I would say there is a possibility for high humidity causing problems.

    I...
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    in that situation, I would be more worried about...

    in that situation, I would be more worried about problems like high humidity causing mold or mildew.
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    Upside for him is that he can submit for Pro...

    Upside for him is that he can submit for Pro status on informative posts! LOL!
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    I don't know that low voltage and low amperage...

    I don't know that low voltage and low amperage thermostat wire would cause interference, but it's always recommended to separate data cable from any electrical wiring.

    best practice is to not run...
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    Yeah, careful replacing an OEM TXV with an off...

    Yeah, careful replacing an OEM TXV with an off the shelf....the manufacturer specific may have a different turn down ratio.

    jay, is york still using danfoss after the warranty failures?
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    Prolly because of the earlier warranty failures....

    Prolly because of the earlier warranty failures.

    Requote the job. When the factory changes the scope of work, all you can do is comply.
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    The thing Iím thinking about isnít the death...

    The thing Iím thinking about isnít the death rate, itís the financial toll.

    With the government shutting down private businesses, and promising to help financially, what is going to happen after...
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    people are predictable. stopping the the US...

    people are predictable. stopping the the US economy isn't going to last long.....people are going to get tired of sitting at home when they don't see victims dropping dead in the streets. ...
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    The thing Iíve wondered about for years is: who...

    The thing Iíve wondered about for years is: who is actually in control? There are directions in the global markets, and trends in wealth distribution that seem to be manipulated globally.
    ...
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    they're already hatching.....if this was on the...

    they're already hatching.....if this was on the epidemic scale of World War Z, we would have already been into it....but we're not.

    155,858 cases world wide.....5,814 deaths...3,176 people died in...
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    that's what I was thinking too. If the market...

    that's what I was thinking too. If the market falls on its' face, you can get some smokin deals! that's why I'm thinking alot of this panic is being pushed by the media for a...
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    with everything on lock down in the rest of the...

    with everything on lock down in the rest of the country, after a few weeks, the frenzy will die down. the only way it will get worse is if 100's of people start dropping dead from it......and that...
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    We just went to the store. Itís fascinating what...

    We just went to the store. Itís fascinating what people have wiped out.

    All the paper towels and toilet paper are gone. All the bottled water is gone. All the fresh meat cases are wiped...
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    just goes to show how fragile civilized society...

    just goes to show how fragile civilized society actually is. Panic sets in, and it all falls apart in 10 minutes.

    years ago, our local water plant got shut down. within 45 minutes, people were...
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    Good deal. If you really want to do the work,...

    Good deal.

    If you really want to do the work, you'll have to put in A LOT of effort. I've tried to help lots of guys, only to realize they really aren't serious about it. Volunteer for...
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    the more you hang out here, the more you'll...

    the more you hang out here, the more you'll realize you don't know Diddly!! vast wealth of knowledge here!

    get your post count up and join the Pro's forums, we share a lot more technical info in...
  34. Thread: VRF systems

    by 71CHOPS
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    We have a building that has 3 miles of Piping...

    We have a building that has 3 miles of
    Piping installed. When that piping was installed, joints were soldered together and
    Shoved up into chases between the floors.

    All systems passed the 24...
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    Oh man, I forgot to tell you.......awkwarddddd!

    Oh man, I forgot to tell you.......awkwarddddd!
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    inquiring minds want to know! what was the...

    inquiring minds want to know! what was the problem?
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    so, did you impress them today?

    so, did you impress them today?
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    People are losing their damn minds!

    apparently, today, all the stores were getting bought out of all the food....grocery shelves are empty, people are stocking up on anything and everything, like the end of the world has arrived.
    ...
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    you can recover without warming, but it's gonna...

    you can recover without warming, but it's gonna take a lot longer.

    just run some hot water from a wash sink through the condenser. don't trust the rupture disk, I don't go above 7 psi.
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    https://secureservercdn.net/198.71.233.179/m9v.7b6...

    https://secureservercdn.net/198.71.233.179/m9v.7b6.myftpupload.com/wp-content/uploads/2019/12/NRI-ShippingGuidelines.pdf
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    gonna be different in every area. I hope you're...

    gonna be different in every area. I hope you're not starting your job today, and don't have any drums yet...
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    pull a slight vacuum on your drums. fill them...

    pull a slight vacuum on your drums.

    fill them 80% full....NOT to the top.

    how much refrigerant are you recovering?
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    there shouldn't be any air in the machine for the...

    there shouldn't be any air in the machine for the purge to remove....if there is, you have leaks that need repaired......you're recovering, so I'm assuming you are fixing leaks.

    heat the condenser...
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    is it the simplicity board or the SA board with...

    is it the simplicity board or the SA board with the tiny joystick and display?

    you'll have to put your email in your profile, mods delete from open posts.
  45. Weeks to months is generally not considered ďlong...

    Weeks to months is generally not considered ďlong termĒ.

    Every chiller manufacturer has a procedure for long term storage. Iíve seen AHU and RTU long term storage procedures, but Iím not sure...
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    If you had a primary secondary system, you could...

    If you had a primary secondary system, you could keep the primary a constant volume loop and change the secondary to a variable volume loop, but you would have to remove all the 3 way valves, install...
  47. Tell us a little about yourself. Are you a...

    Tell us a little about yourself. Are you a service tech, whatís your background, have you worked on other chillers?

    You have to understand, this is an open forum. Anyone can come ask questions...
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    are you saying that newer carrier boards didnít...

    are you saying that newer carrier boards didnít require the sensors, yet the inducer fans were never changed to meet the new board requirements?

    This post is another prime example of needing some...
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    Itís a given that the resistance of the two taps...

    Itís a given that the resistance of the two taps is different.

    If you want to learn more about transformers, google search ďtransformer Turns RatioĒ.
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    also, with a VFD on the primary loop, engineers...

    also, with a VFD on the primary loop, engineers love to run the chiller barrel flow rates at the low end of the required flow range. As Mikey said, you end up with refrigerant control issues, which...
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