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  1. Thread: TU service tool

    by R123
    Replies
    285
    Views
    41,571

    Correction… August 2019, not 2018.

    Correction… August 2019, not 2018.
  2. Thread: TU service tool

    by R123
    Replies
    285
    Views
    41,571

    I’m sure the firmware is available to contractors...

    I’m sure the firmware is available to contractors as it always has been, at least in my area. I have no idea on costs or anything like that. I think the commercial salesmen handle that.
  3. Thread: TU service tool

    by R123
    Replies
    285
    Views
    41,571

    That’s correct. As of August, 2018, LLID binding...

    That’s correct. As of August, 2018, LLID binding is available on CTV’s on the front panel with the latest firmware.
  4. Replies
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    383

    The guy posted one post and never returned. Very...

    The guy posted one post and never returned. Very annoying. This is why a lot of guys quit trying to help in the open forums…
  5. Replies
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    383

    Especially aux contacts. I’m a little...

    Especially aux contacts.

    I’m a little confused, is the machine shutting down or staying online?
  6. Thread: Trane RTAC 200

    by R123
    Replies
    3
    Views
    397

    Good to know.

    Good to know.
  7. Replies
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    1,127

    2 hours is pretty quick. You have to isolate the...

    2 hours is pretty quick. You have to isolate the compressor and remove the charge. Then take all the topside components off. Iíd say 8 hours for everything.
  8. A tech could put one of those C&D piercing saddle...

    A tech could put one of those C&D piercing saddle valves in that you braze around the exterior or use a pinch off tool and braze a valve in somewhere. Then you can hook up standard gauges.

    They...
  9. Replies
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    1,303

    All later model tandem compressors have the...

    All later model tandem compressors have the solenoid valves.

    I was partially mistaken on the wiring. Originally, we added the valves and wired them to open one at a time, it was later changed to...
  10. Replies
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    1,303

    Iím starting to second guess myself on the...

    Iím starting to second guess myself on the solenoid wiring. I added the solenoids years ago but I may have told you wrong on the wiring. You may be right on both valves opening with one compressor...
  11. Replies
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    Why do you need the contractors permission to get...

    Why do you need the contractors permission to get Trane involved? Call Trane yourself and have them work directly for you. Thatís what usually happens.

    I can see why the contractor is hesitant to...
  12. Replies
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    1,303

    Yep, thatís what it does.

    Yep, thatís what it does.
  13. Replies
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    I can assure you that the reason those solenoids...

    I can assure you that the reason those solenoids are there is to not allow liquid to flow through the compressor not running when only one compressor is running to prevent the issue your having....
  14. Replies
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    1,026

    Not sure about the units made in France, but...

    Not sure about the units made in France, but broken discharge check valves in Pueblo made units is uncommon. Iíve only seen a couple.
  15. Replies
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    1,303

    What was happening that made someone decide to...

    What was happening that made someone decide to change the wiring?
  16. Replies
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    1,303

    Just curious, was the service company that made...

    Just curious, was the service company that made this change affiliated with the factory or an HVAC contractor?
  17. Replies
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    1,303

    The compressor doesnít completely fill up with...

    The compressor doesnít completely fill up with liquid. Just enough to cause this issue. Iíve dealt with this many times when the larger RTACís with tandems first came out. I started up the very first...
  18. Replies
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    1,303

    That is exactly what your problem is! The whole...

    That is exactly what your problem is! The whole reason why those solenoid valves are there (and only on the circuit with tandem compressors) is to not allow refrigerant to flow when the opposite...
  19. Replies
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    684

    Trane now sells a TR200 air cooled drive retrofit.

    Trane now sells a TR200 air cooled drive retrofit.
  20. Replies
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    346

    You have to upgrade the EXV also.

    You have to upgrade the EXV also.
  21. Replies
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    447

    Why did you recover the gas?

    Why did you recover the gas?
  22. Replies
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    471

    Yep.

    Yep.
  23. Replies
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    There is no way to figure this out over the...

    There is no way to figure this out over the internet. You need to call another HVAC company familiar with chillers and get a second opinion.
  24. Replies
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    What is a PIC? I have never heard of it except...

    What is a PIC? I have never heard of it except PIC controls on Carrier. But not on Trane.
  25. Thread: Rtaa retrofit

    by R123
    Replies
    40
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    11,400

    This is a 2 year old thread. Iím sure he got it...

    This is a 2 year old thread. Iím sure he got it figured out by now.
  26. Replies
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    863

    Like Valdelocc said, those bearings canít be...

    Like Valdelocc said, those bearings canít be replaced in the field. The tolerances are too tight and Trane has a special machine to set the bearings at the factory and their rebuild shop.
  27. Thread: Lead/lag setup

    by R123
    Replies
    5
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    754

    Do these units have dampers in the supply duct to...

    Do these units have dampers in the supply duct to prevent back flowing air?
  28. Replies
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    1,336

    Whatís wrong with the refrigerant in the machine?

    Whatís wrong with the refrigerant in the machine?
  29. Replies
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    1,160

    Do you work for a Trane office? You must be out...

    Do you work for a Trane office? You must be out of the US because Iíve never seen that before. We use WebCats and itís completely different and you can search parts in all different kinds of waysÖ
  30. Replies
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    Change all the steel piping out to copper.

    Change all the steel piping out to copper.
  31. Replies
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    Donít go by this unless you want to order the...

    Donít go by this unless you want to order the wrong part! There are multiple design sequences for RTACís and this is just one design sequence for the older chillers. For example, the original RTAC...
  32. Replies
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    1,037

    What he saidÖ

    What he saidÖ
  33. Another possibility could be the base plate of...

    Another possibility could be the base plate of pre-famulated amulite surmounted by the two spurving bearings could be stuck. Itís a pretty easy fixÖ
  34. Replies
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    Generally speaking 1 chiller fully loaded is more...

    Generally speaking 1 chiller fully loaded is more efficient than 2 chillers at part load. Plus, the power factor goes out the window.
  35. Replies
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    Are you saying if you run 2 1000 ton chillers...

    Are you saying if you run 2 1000 ton chillers unloaded to 500 tons each they both use less power than 1 chiller at full load???
  36. Replies
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    1,428

    🍿🍿🍿

    🍿🍿🍿
  37. Replies
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    1,105

    Thatís normal. If you replace the check valve,...

    Thatís normal. If you replace the check valve, youíll find it doing the same thing.
  38. Thread: RTHB Oil Change

    by R123
    Replies
    13
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    1,320

    Just curious, why do you want to change the oil?

    Just curious, why do you want to change the oil?
  39. Replies
    10
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    1,307

    Do you have an economizer on the liquid line? The...

    Do you have an economizer on the liquid line? The new Trane Agility mag bearing chiller has a plate frame heat exchanger on the liquid line where the liquid passes through one side of the heat...
  40. Replies
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    1,105

    Classic ďStick-SlipĒ issue. Itís normal for the...

    Classic ďStick-SlipĒ issue. Itís normal for the discharge pressure to equalize in the off cycle.
  41. Replies
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    574

    You may want to post this question in the...

    You may want to post this question in the refrigeration forum instead of the chiller forum.
  42. Replies
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    1,520

    There is a procedure for removing moisture and...

    There is a procedure for removing moisture and acid from RTACís but Iím not posting it in the open forum. Get your post count up and apply for pro membership and we can discuss it on the closed forum.
  43. Replies
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    1,160

    Itís all online on Webcats. There is no paper...

    Itís all online on Webcats. There is no paper parts manual. Parts are constantly being superseded.
  44. Replies
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    1,520

    I think he got scared off.

    I think he got scared off.
  45. Replies
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    1,520

    Iíd also like to know what filter your going to...

    Iíd also like to know what filter your going to change for the moisture??? I definitely think your in over your head.
  46. Replies
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    1,444

    Or realize that R-22 is coming down in price and...

    Or realize that R-22 is coming down in price and leave it aloneÖ
  47. Did someone put you up to this question?

    Did someone put you up to this question?
  48. Replies
    13
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    1,444

    In many cases, you can convert to 410A without...

    In many cases, you can convert to 410A without replacing the coil. And you donít need to replace the line sets. Just blow out the coil and lineset with nitrogen, replace TXV to 410A TXV, and replace...
  49. Thread: TU service tool

    by R123
    Replies
    285
    Views
    41,571

    Yep.... except heís been trying to get the...

    Yep.... except heís been trying to get the password since yesterday morning. If heíd open the book and looked up binding, heíd have the password instantly.

    I honestly donít have the password...
  50. Thread: TU service tool

    by R123
    Replies
    285
    Views
    41,571

    Donít know what your working on but the password...

    Donít know what your working on but the password is in the IOM.....



    Yep.
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