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Type: Posts; User: lord of the screws

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  1. Replies
    10
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    1,921

    the over load I think you are talking about if...

    the over load I think you are talking about if you peel back the corners of the sticker you will find an adjustable pot to change the setting there is a tool available but you can use a screw driver...
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    1,128

    RTAA-SB5 is the best bullitan for the 130 to 400...

    RTAA-SB5 is the best bullitan for the 130 to 400 ton machines and RTAA-SB9 is a good on for the 70 to 125 ton range as far as CVHE I know SB 32 is a good one for UCP 2 machines not sure which panel...
  3. Believe it or not we use a C clamp fastened to...

    Believe it or not we use a C clamp fastened to the steel channel right above the compressor on the unit and we use a harrington 3/4 ton to lift but if you have a come along it will work just as well.
  4. Replies
    26
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    3,052

    RTAA-SB-5 is an excellent service guide that...

    RTAA-SB-5 is an excellent service guide that covers all aspects of that machine including some of the problems you are having.Also for future info RTAA-SB-9 covers the smaller RTAA's 70-125 ton both...
  5. Replies
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    1,887

    you can go into service test and test both the...

    you can go into service test and test both the EXV and the load/unload system you should first have some more literature before going at it blind either an IOM or there is a service bullitan that...
  6. Replies
    14
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    1,887

    tou can go into service test and test both the...

    tou can go into service test and test both the EXV and the load/unload system you should first have some more literature before going at it blind either an IOM or there is a service bullitan that...
  7. Replies
    12
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    1,185

    sounds like you need some professional help,but...

    sounds like you need some professional help,but to answer your question yes you probabally should pull the evap. heads and at least look and probabally clean them but it sounds like you have much...
  8. Replies
    28
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    2,484

    we just did one we sent it to service first had a...

    we just did one we sent it to service first had a quick turn around however they sent us a different shaft back or machined to different specs we sent a non K-4 shaft down and got a K-4 shaft back...
  9. Replies
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    17,293

    local 420 just like brothers absrbrtek and...

    local 420 just like brothers absrbrtek and serviceguy
  10. Replies
    18
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    3,083

    wondering if you are using glycol and if so what...

    wondering if you are using glycol and if so what the percentage of glycol you have you never did specify what your leaving water temp actually is I know for a fact there are issues with flo and...
  11. rule of thumb is 10% in a 2 pass...

    rule of thumb is 10% in a 2 pass machine,chillerdude is right really need more info if you are running cold tower water then you could be stacking refrig. in the cond.and it would look like it was lo...
  12. Replies
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    1,446

    believe it or not I actually had a bad key same...

    believe it or not I actually had a bad key same thing would happen I dumped the program and redownloaded several times thinking I was doing something wrong finally I tried another techs key and it...
  13. Replies
    11
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    3,216

    I agree with some of the other guys I have seen...

    I agree with some of the other guys I have seen numerous times with the 66 drives they are extremly sensitive probabally to sensitive if you took the motor and put it across the line it would run...
  14. Replies
    18
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    2,021

    Diversity,sometimes you have to go from a 1000...

    Diversity,sometimes you have to go from a 1000 ton chiller to a water source heat pump to a vav rooftop in one day.
  15. Replies
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    783

    I have done a couple of ammonia clean ups on some...

    I have done a couple of ammonia clean ups on some B and D absorbers always with the 2 tank set-up and using a pump setup exactaly the way the service bullitan states and never had a problem it takes...
  16. Replies
    6
    Views
    783

    I have done a couple of ammonia clean ups on some...

    I have done a couple of ammonia clean ups on some B and D absorbers always with the 2 tank set-up and using a pump setup exactaly the way the service bullitan states and never had a problem it takes...
  17. Replies
    3
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    963

    chillerdude has got it right we have also had to...

    chillerdude has got it right we have also had to replace quite a few of those oil switches something to look for is the last two digets of the X number if they are a 03 just replace the switch TRANE...
  18. Replies
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    3,435

    I have a kesteral key and have used it on many...

    I have a kesteral key and have used it on many different kinds of chillers you cannot save starts and hours if you plug the model number and serial number in the configuration the dynaview will know...
  19. Replies
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    932

    I think chillerdude is right on I have seen it a...

    I think chillerdude is right on I have seen it a few times if you look at the HPC on the print you will see how it can cause the problems you are seeing.
  20. Replies
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    660

    I completly agree with the hose with a valve and...

    I completly agree with the hose with a valve and we use the trane 3/4 quick connect hoses everything works very well tanks are heavy even when unloaded I use the 5/8 side for everything and turnover...
  21. Replies
    14
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    1,322

    just curious as to the size of machine we have a...

    just curious as to the size of machine we have a similar situation on a aaon machine it is a 60 ton machine and cir 1 has a high head and lo suction symptoms we have had to replace compressor a few...
  22. if circuit is running lo pressures for extended...

    if circuit is running lo pressures for extended period of time screws can overheat and they say at the factory that they can grow enough to scrape housing and of course lock up I dont know if this is...
  23. Replies
    8
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    1,650

    Sorry I don't know how to get diagrams from...

    Sorry I don't know how to get diagrams from website you can purchase EAGLE that has all wiring manuals and IOM's info like that TRANE does have a secure site that is unavailable to non-TRANE people...
  24. Replies
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    2,232

    one small thing to add everything mentioned is...

    one small thing to add everything mentioned is possible if all the way down I assume oil feed line for drive bearing was un sweated and re-soldered no way to press test this joint that would equal...
  25. Replies
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    1,133

    only had one and symptoms were very odd it would...

    only had one and symptoms were very odd it would trip on lo amps contactor would pull in all legs of power o.k. it was very quiet we all know no such thing as a quiet screw guessing rotor was turning...
  26. Replies
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    1,154

    if it is the scroll that looks like a milk jug...

    if it is the scroll that looks like a milk jug you are going to have to replace the compressor to solve if machines are 9years old it was when they were not putting CCH'S on and that compressor has a...
  27. Replies
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    1,339

    we just had a similar situation after numerous...

    we just had a similar situation after numerous attempts finally decided to pull pump and motor replaced everything oil had a cloudy look to it installed all new parts it is up and running and a...
  28. This is true high head will cause this trip if...

    This is true high head will cause this trip if all fans are working and cond. is clean you should also make sure both circuits are starting completly unloaded start and watch menue item 27 for that...
  29. Replies
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    2,574

    have started 10 rtac with no leaks at suction...

    have started 10 rtac with no leaks at suction butterfly valve however there have been 3 from our office that did have leaks there seems to be very random.
  30. Replies
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    1,254

    I work for a large commercial company and before...

    I work for a large commercial company and before we were union service tech's spent 6 months in parts to learn the business and see how you interact with customers then if you passed you would get...
  31. there were problems with '91 to'95 coils with...

    there were problems with '91 to'95 coils with leaks in the center we had a few that we were able to bypass the tube with the problem and not change the coils with no adverse effects to the operation...
  32. Replies
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    1,023

    actually did see one work one time hard to find...

    actually did see one work one time hard to find leak on a absorber one mechanic on job for several weeks with no positive results another mechanic was called in that had used ultra sonic before he...
  33. you can try hitting escape if everything is set...

    you can try hitting escape if everything is set up right it will go right to the main menue also make sure you are set up stop bits 8 and flow control I believe is X on X off and parity is none try...
  34. Replies
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    1,257

    there is the fix on fail kit available for just...

    there is the fix on fail kit available for just such a problem make sure when bearings are changed that the kit with the grounding straps is installed otherwise they will go again however trane is...
  35. Replies
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    3,997

    there is a service bullitan out on proper...

    there is a service bullitan out on proper procedure for checking proper oil level in seperator that is where I would start also double check heaters on the seperator there is no safetys to lock...
  36. Replies
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    3,953

    I agree with above check purge minutes per 24...

    I agree with above check purge minutes per 24 hrs. if less than 20 min. a day probabally not worth pulling machine apart yet you can also reset purge service log and monitor see if problem is getting...
  37. Replies
    8
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    1,492

    another way to tell if lo on charge or oil in...

    another way to tell if lo on charge or oil in charge would be to look at your evap. approach if hi you have a heat transfer problem on a 2 pass CVHE should be 2-3 degrees if you decide you are oil...
  38. whats your head press if you are running in a...

    whats your head press if you are running in a vaccume on head for very long time you may not have enough of a press diff to get enough refrig to motor to cool it, easy enough to try run your tower...
  39. Replies
    19
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    2,670

    you should think about the whole system had same...

    you should think about the whole system had same diagnostic on a process job when I got there flow was fine after monitoring a while noticed press drop decreasing looked into system found 2-way...
  40. extended unload is one way to keep the machine...

    extended unload is one way to keep the machine running another way to control the loading is called soft load first you have to enable it in the service set up menu then you get more menus after you...
  41. Replies
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    675

    hopefully your not going to do damage but you...

    hopefully your not going to do damage but you could do quite a bit if you were trying to that gives you alot of acess you used to get thru UCP 2 field start up menues and you can also perform tests...
  42. Replies
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    6,013

    I started 5 CVHE-F this year out of those 5,3...

    I started 5 CVHE-F this year out of those 5,3 were VFD machines on return trips one was noisy after 800 hours the other after about 1500 hours the third machine has over 3000 hours on it and has no...
  43. much more info is needed to give a proper...

    much more info is needed to give a proper response to that question, is it 134a or 22 EXV's are controlled differently causing some strange diagnostics when you have charge problems, also what kind...
  44. Replies
    11
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    1,186

    I work in the north east and pearsonally started...

    I work in the north east and pearsonally started approx. 18 chillers of all types this year including some air cooled and some water cooled of those 18 12 were glycol chilled water systems, and most...
  45. Replies
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    2,372

    you can actually charge thru the low side...

    you can actually charge thru the low side charging valve located on the bottom of the evap. on most chillers with it running and having flow the press in the evap. is lower than the pressure in the...
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