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  1. work is slow all over, service is still busy but...

    work is slow all over, service is still busy but lots of customers are pushing off doing repairs or trying to do alot more in house.
    Are you trying to get into the service program in chicago? i can...
  2. Thread: Ever see this?

    by DITAW
    Replies
    43
    Views
    3,809

    I tend to agree with you it does not make much...

    I tend to agree with you it does not make much sense, and i can not find any information to back up a argument to prove the use of both together. but on the other side why make dope with Teflon in...
  3. Thread: Ever see this?

    by DITAW
    Replies
    43
    Views
    3,809

    the main sealing in a threaded joint is the...

    the main sealing in a threaded joint is the compression of the threads to one another since it is a tapered thread. Teflon does provide some sealing affect to small deformities in the threading...
  4. Thread: Ever see this?

    by DITAW
    Replies
    43
    Views
    3,809

    I agree with Hvacker... dies were probably set...

    I agree with Hvacker... dies were probably set wrong. set right you will never have a problem. I m still in the apprenticeship and they tell us it is ok to use Teflon with dope. I don't have nearly...
  5. Thread: Trane IOM

    by DITAW
    Replies
    8
    Views
    1,362

    unfortunately I wasn't not on the job to see this...

    unfortunately I wasn't not on the job to see this chiller so I am going off what another tech told me. He doesn't work on Centrifugals but he is a sharp tech so i wouldn't think that he would make...
  6. Thread: Trane IOM

    by DITAW
    Replies
    8
    Views
    1,362

    Trane IOM

    Looking for a trane cvgf IOM , every one I find online the page won't load. Might be getting a job with a high pressure two stage trane that is R-22. I am assuming that is a CVGF. Never saw one...
  7. Replies
    3
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    561

    hope that helps

    hope that helps
  8. Replies
    3
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    561

    put your e-mail address in your profile ill send...

    put your e-mail address in your profile ill send the parts list and the iom.
  9. Replies
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    6,221

    make sure your transducer is reading accurately ,...

    make sure your transducer is reading accurately , can't always trust the screen. Get the gauges out to confirm.
  10. Replies
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    1,389

    just sent it. good luck

    just sent it. good luck
  11. Replies
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    1,389

    I think this is the one heavy is talking about. ...

    I think this is the one heavy is talking about.

    PURPOSE:
    This bulletin is to inform the field of possible chiller problems and potential freeze up of cooler
    vessels during refrigerant removal...
  12. Replies
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    1,389

    I resent it. looks like the charge is right though

    I resent it. looks like the charge is right though
  13. Replies
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    491

    Its a single condenser

    Its a single condenser
  14. Replies
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    491

    York High Head Chiller

    anyone work on a york high head chiller for reheat conditions that can handle 120*f condenser what temps. just had one installed on a job still waiting for york to start it up , just curious if it...
  15. Replies
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    1,389

    sent you a e-mail with the bulletin on 19 Xl...

    sent you a e-mail with the bulletin on 19 Xl charges hope it helps.
  16. Thread: 17 Fa

    by DITAW
    Replies
    10
    Views
    806

    string a new cable, i have not had the pleasure...

    string a new cable, i have not had the pleasure but i know someone who just did it on a #4 size fa not to long ago.
  17. Thread: 17 Fa

    by DITAW
    Replies
    10
    Views
    806

    Thanks... pulled the float covers today , found...

    Thanks... pulled the float covers today , found alot of steel cable strands in the high side and some in the low side. i think it is coming from the vane cable. hopefully the 1st stage wheel is ok ;)
  18. Thread: 17 Fa

    by DITAW
    Replies
    10
    Views
    806

    17 Fa

    Looking for the clearances for a 17fa high and low side float valves (r-22) I can't seem to find my info. any help would be appreciated.
  19. Replies
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    593

    magnetic relay overlaods

    Curious if anyone is setting up there own OL s up in the field (dash-pot), and what are you using to induce the current to trip it to calibrate. Just looking to see what brands people are using maybe...
  20. Thread: CVHF surging

    by DITAW
    Replies
    39
    Views
    4,760

    Is it a large file? im not sure why it wouldn't...

    Is it a large file? im not sure why it wouldn't go through, no worries.
  21. Replies
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    585

    The instructor is Garth Denison. I just called...

    The instructor is Garth Denison. I just called about it yesterday and they seem to still have seats available.
  22. Thread: CVHF surging

    by DITAW
    Replies
    39
    Views
    4,760

    i wouldn't mind seeing the york info also i think...

    i wouldn't mind seeing the york info also i think my e-mail is in my profile thanks
  23. Thread: Oil analysis

    by DITAW
    Replies
    8
    Views
    891

    We use TAI as well never had a problem... they...

    We use TAI as well never had a problem... they use to send us plastic bottles but just recently they went to glass.
  24. Replies
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    6,798

    http://www.biddlemegger.com/biddle/Stitch-new.pdf...

    http://www.biddlemegger.com/biddle/Stitch-new.pdf
    This is a great little book to help anyone understand megging.
  25. Replies
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    7,679

    York chiller training

    does any one know if york offers centrifugal chiller training, and if so how i can get in contact about it. My company just asked me to look into it they are going to send me.
  26. Replies
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    2,567

    Loctite chisel works pretty good but you still...

    Loctite chisel works pretty good but you still need a good old wire wheel. (helps get the heavy stuff off)
  27. Replies
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    1,030

    starting a #5 frame on Monday due to an open...

    starting a #5 frame on Monday due to an open rotor bar ill be sure to take pics.
  28. Replies
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    675

    Cimco ice rink chiller

    i was curious if anyone has one of these machines under contract and had a question about the pilot line for the meter valve. it says in the manufactures literature for the valve (The pilot line MUST...
  29. Thread: 19xrv won't load

    by DITAW
    Replies
    22
    Views
    2,121

    this is in the line from the cooler to the vane...

    this is in the line from the cooler to the vane housing , never heard of one in that location before.
  30. Thread: 19xrv won't load

    by DITAW
    Replies
    22
    Views
    2,121

    Now i was not the mechanic on site that took the...

    Now i was not the mechanic on site that took the readings i had to get them today from him but he is much more experienced then i. and has 18 years with carrier but left about 5 years ago so i trust...
  31. Thread: 19xrv won't load

    by DITAW
    Replies
    22
    Views
    2,121

    ent. cond. = 82.3 lvg. cond. = 91.6 SDT ...

    ent. cond. = 82.3
    lvg. cond. = 91.6
    SDT = 93.1
    delta P = 5 (46 psi in 41 psi out one gauge used 1# increments 0-60 range)

    ent. cool. = 54.7
    lvg. cool. = 45.2
    SST = 44.3...
  32. Thread: 19xrv won't load

    by DITAW
    Replies
    22
    Views
    2,121

    the customer asked us to check the machine...

    the customer asked us to check the machine because they do not trust carrier. who do you know at carrier, Ed?
  33. Thread: 19xrv won't load

    by DITAW
    Replies
    22
    Views
    2,121

    not messing with chiller still under warranty...

    not messing with chiller still under warranty just curious if any one ever had this issue to me it seems to be something other than the vanes. maybe wrong imp or something with the motor. i have...
  34. Thread: 19xrv won't load

    by DITAW
    Replies
    22
    Views
    2,121

    19xrv won't load

    have a newly installed xrv that will not load above 80 percent , locked drive at 100%, flows are good, tubes are clean, around one degree approach on cooler (at 80%), vanes are calibrated and...
  35. Thread: megging

    by DITAW
    Replies
    29
    Views
    4,401

    http://www.biddlemegger.com/cgi-bin/webshop.cgi?co...

    http://www.biddlemegger.com/cgi-bin/webshop.cgi?config=ent-man&uid=bnyjiduu12201012461&command=link--megger-application.html

    there is some good information on this site.
  36. Replies
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    959

    different mcquay tech came in today thought that...

    different mcquay tech came in today thought that there was air in the machine but when i took a temp reading across the whole top of the condenser the temp matched the saturation pressure in the...
  37. Replies
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    959

    sounds like i should stick to my gut on this one....

    sounds like i should stick to my gut on this one. i asked the guy if he had the stem on the feed valve fully turned clockwise (Front Seated) after i watched him add three bottles i said it again so...
  38. Replies
    5
    Views
    959

    Proper Subcooling

    proper way to trim charge for mcquay centrifugal chiller with TXV pilot valve. just did start up with a mcquay tech and he told me that you check your discharge super heat with the injection off...
  39. Replies
    39
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    4,293

    I have never heard of that (BTJ Pipefitter...

    I have never heard of that (BTJ Pipefitter Refrigeration) i know a lot of steamfitters that are in service and always have been But they have a BTJ Steamfitter card. I am in the "A" program but have...
  40. Replies
    39
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    4,293

    Did you go through the ''A" apprenticeship or up...

    Did you go through the ''A" apprenticeship or up your book?
  41. Replies
    39
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    4,293

    Chiller (centrifugal) Mechanics

    just curious how about large tonnage chiller (centrifugal) mechanics , seems where i am from (Philadelphia) there are not many being trained any more and the one thats are still working are gonna be...
  42. Replies
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    1,004

    didn't think of that i do use that to aid in the...

    didn't think of that i do use that to aid in the cleaning process for all the suction covers. thanks
  43. Replies
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    648

    thanks thats what i was thinking after i posted...

    thanks thats what i was thinking after i posted the thread.
  44. Replies
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    648

    Question for Mcquay Techs.

    reading the IOM manual for the wsc style chiller, it says in there that if there is a power failure the spring loaded piston will supply oil pressure for coast down , what happens if the oil pump...
  45. Replies
    8
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    1,004

    ill have to try that next time i was using a thin...

    ill have to try that next time i was using a thin gasket scrapper and tapping it with a hammer worked but was a bit of a pain. funny you mention the jacking bolt holes on the discharge , that was the...
  46. Replies
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    1,004

    I will be putting jacking bolt holes on the motor...

    I will be putting jacking bolt holes on the motor for next time ... if there is gonna be a next time. To get them off this time i used two pieces of 4" angle iron that over lapped the motor and...
  47. Replies
    8
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    1,004

    Trane cvhe jacking bolts

    Anyone ever see a old vintage cvhe that has no jacking bolt holes at all?? pulling the motor was not fun.
  48. Replies
    21
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    6,538

    Just out of curiosity what is the reason for the...

    Just out of curiosity what is the reason for the teardown?
  49. Replies
    21
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    6,538

    Not to send a message of discouragement but i...

    Not to send a message of discouragement but i recently did a teardown on a 19xl because the people that just did it before me screwed up the impeller spacing to the shroud and it wiped the impeller,...
  50. Replies
    21
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    6,538

    I have the wheel spacing procedure if you need it.

    I have the wheel spacing procedure if you need it.
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