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  1. Replies
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    The exv is closed down to 20%. With a low...

    The exv is closed down to 20%.
    With a low saturated temp.

    Do you have the right flow?
    Tube that are dirty?
    Those are.my first thought on the issue
  2. Replies
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    You have outsider temp Water on and Water out...

    You have outsider temp
    Water on and Water out temp.
    Subcooling?
  3. [QUOTE=PowellSixO;26044351]What would be a good...

    [QUOTE=PowellSixO;26044351]What would be a good book for me to read? I'd like to do some overall refresher reading at night and on lunch breaks. Thanks.[/

    I see no email adress on your profile....
  4. Apply for pro, there is a ton of information....

    Apply for pro, there is a ton of information.
    There is a place dedicated for training and education.
    Found that on the Web for you
    There is a app, training on the go and self education

    "ECM...
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    I you have not seen or work on a Turbocor before...

    I you have not seen or work on a Turbocor before , don’t stick your hand in it. Compressor have a big capacitor bank that will fry you on the spot
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    It’s not the video you want to look at All the...

    It’s not the video you want to look at
    All the test procedure are there .

    Videos are there to help you when you have a part to replace
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    I believe you don’t need to recover before...

    I believe you don’t need to recover before testing the sensor and bearings .

    Like said before Turbotool will get lots of answers.

    Just asking while doing the calibration you’ve removed the j1...
  8. Is there something special with the VFD? Have...

    Is there something special with the VFD?

    Have you tried using danfoss software to pull the program out?

    I've not done it on a carrier but on the latest Daikin screw I've seen that the were...
  9. I use the app comm lit. From carrier. You can...

    I use the app comm lit. From carrier.

    You can have it with apple or android.

    You get manual ,wiring diagram and more
  10. Replies
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    For paddle there is mcdonnell flow switch. I do...

    For paddle there is mcdonnell flow switch.
    I do prefer differential pressure

    Envoyé de mon moto g power en utilisant Tapatalk
  11. Replies
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    Personally I've used United electric flow switch....

    Personally I've used United electric flow switch.
    UE
    From there you can select either differential or other switches

    Envoyé de mon moto g power en utilisant Tapatalk
  12. Replies
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    Scrolling marquee as always had that type of...

    Scrolling marquee as always had that type of issue with the buttons.
    If the price is good I'd say go with the navigator
  13. Thread: Aaon MAUII

    by patpinet
    Replies
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    👍

    👍
  14. Replies
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    If you have particles your heat exchanger might...

    If you have particles your heat exchanger might be clogged.
    Might be a good idea to do a backwash flush

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    Is the probe the right length? Or as the good...

    Is the probe the right length?
    Or as the good fitting adaptor been installed?

    If the probe is only barely in contact with the liquid you might have issues proving the flow

    Envoyé de mon moto...
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    When checking pilot pressure don't plug the the...

    When checking pilot pressure don't plug the the outlet with your hose.
    You want dynamic pressure so you need to install a Tee.
    Pilot pressure can be adjusted to 3. 5 in WC.

    Your first issue...
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    Cool. Thanks for the information I've just...

    Cool.

    Thanks for the information I've just learned something new

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  18. Replies
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    Flying start ain't only to grab the motor if it's...

    Flying start ain't only to grab the motor if it's already spinning?

    Envoyé de mon moto g power en utilisant Tapatalk
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    Your local Johnson Control office can help you...

    Your local Johnson Control office can help you out

    Envoyé de mon moto g power en utilisant Tapatalk
  20. Replies
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    The big players have some rental department. ...

    The big players have some rental department.

    York or Trane are good rental option.
    I have nothing against the other so they might be good option for you.

    Google told me that paratus rental can...
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    So if the blue one it's a svx9000 or sv9000. ...

    So if the blue one it's a svx9000 or sv9000.

    There is a autorestart function somewhere in the menu.
    If those are quick electrical flash,you can set the drive to try to restart a couple of time...
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    It seems like it's the black one. Eaton call it...

    It seems like it's the black one.
    Eaton call it the h-max.
    Most of the vfd I know need a change of state from off to on to recognize the start command.
    A continuous command won't do.

    So if...
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    Are those the new style. The white one? The...

    Are those the new style. The white one?
    The black one, or the older blue model
    Regardless they are all Eaton made vfd.
    You can try there tech support.
    In my area it's easy to get answers
  24. Replies
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    I'm really interested in the problem your facing....

    I'm really interested in the problem your facing. But I don't have the knowledge to help you.

    Have you talked to bitzer about it?
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    Nice job Look good. 👍

    Nice job
    Look good. 👍
  26. Real quick like that I'd say your missing some...

    Real quick like that I'd say your missing some refrigerant on the circuit 2.
    Or its not the right refrigerant.

    Do you have a sight glass and can you confirm that it's clear (free of bubble)
    ...
  27. Here's is a link to YLAA log sheet ...

    Here's is a link to YLAA log sheet

    https://drive.google.com/file/d/1YGyRkYKA63R2ha3uLJPtlaSrWQ3lwOsp/view?usp=drivesdk

    Envoyé de mon SM-A715W en utilisant Tapatalk
  28. If you can measure concentration with a...

    If you can measure concentration with a refractometer it will help a lot.

    Envoyé de mon SM-A715W en utilisant Tapatalk
  29. What is the type and concentration? Envoyé de...

    What is the type and concentration?

    Envoyé de mon moto g power en utilisant Tapatalk
  30. Can you fill a complete log sheet with pressure...

    Can you fill a complete log sheet with pressure and everything.

    I believe a YLAA log sheet can work out for you.
    Take the flow measure at the chiller with pressure drop.

    I'm not familiar with...
  31. Water or glycol? Envoyé de mon SM-A715W en...

    Water or glycol?

    Envoyé de mon SM-A715W en utilisant Tapatalk
  32. If the problem is found on all three chiller I'd...

    If the problem is found on all three chiller I'd say it might be a water loop problem.

    When you say that you have 122 gal/min, is flow per chiller or for all three chiller?

    How do you measure...
  33. That is quite a tough question to answer without...

    That is quite a tough question to answer without the following info.

    Refrigerant type
    Is there a fine mesh strainer at the entrance of the exchanger?
    Entering and leaving water temp
    Pressures...
  34. Replies
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    Check your delta pressure at the evap. You know...

    Check your delta pressure at the evap.
    You know how to check the chart for flow?

    Validate that you're above the minimum required those valur are marked in the manual of the chiller. For nominal...
  35. Replies
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    Did you take delta pressure to confirm the flow? ...

    Did you take delta pressure to confirm the flow?

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  36. Replies
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    Is water quality good? What is the setting for...

    Is water quality good?

    What is the setting for the low pressure control?

    Could have been damaged while charging if chiller was filled with liquid at the evap with or without flow.

    Is it a...
  37. Replies
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    Yeah it's a multiple part guide. Pretty big to...

    Yeah it's a multiple part guide.
    Pretty big to share in here.
    I saw your other post.
    You're still looking to fond what froze your chillers.
    I'd be surprised if it's the migration of the...
  38. Replies
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    We're you able to download the carrier manual...

    We're you able to download the carrier manual thru the link?

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  39. Replies
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    Here's a link to my one drive with the guide ...

    Here's a link to my one drive with the guide

    https://1drv.ms/b/s!ApdWzGN32LjthoBu3MSJoHeEIKz1jw

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  40. Replies
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    I'll look in my file I might have a copy. But...

    I'll look in my file I might have a copy.

    But you know daikin (mcquay) have a nice piping guide too, it's easily avalaible on the net

    Envoyé de mon moto g power en utilisant Tapatalk
  41. Replies
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    Have you tried there tech support number? They...

    Have you tried there tech support number?
    They are pretty good.
    Ive called them a couple of time, issues as been fixed and my questions answered every time.
  42. Replies
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    As we are in a open forum I'd say that with smt...

    As we are in a open forum I'd say that with smt you can export the old file to your computer and push it to the new one after
  43. Replies
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    You'll need to pull the CONFIG out of the old one...

    You'll need to pull the CONFIG out of the old one or take the CONFIG in a compressor on another module.
    You'll need the software and the know how to do it

    Don't forget to readdress the new comp
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    Screw is started fully loaded? Would make sense

    Screw is started fully loaded?

    Would make sense
  45. Replies
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    I think I understand what your saying. It might...

    I think I understand what your saying.
    It might work and I'll learn something new,but what I'm afraid is the unit will be limited to its 25 ton capacity by the compressors even with bigger valve.
    ...
  46. Replies
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    Just thinking about it. Can you close outside...

    Just thinking about it.
    Can you close outside damper and run aldes unit in recirculation with the return air. That will prove if the unit is working properly.
    Try to get the design from aldes to...
  47. Replies
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    I'm not sure that replacing the txv will help you...

    I'm not sure that replacing the txv will help you if the unit is undersized.

    Looking at the suction pressure on your unit (close to 55 F sat temp) it look like you have a lot of latent(and...
  48. Replies
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    So what's your theory? Do you have any...

    So what's your theory?
    Do you have any development on your side?
  49. Replies
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    What is your tonnage and cfm. With diff enthalpy...

    What is your tonnage and cfm.
    With diff enthalpy you can get performance out of your unit.
    4.5 x cfm x ^ h =btu

    At first sight I'd say that your unit might not be a good fit for 100% fresh air....
  50. If I understand correctly your drive is a add on....

    If I understand correctly your drive is a add on.

    So I'm assuming you need to set it as a vav system in the controller or tell it as a vfd.
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