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  1. Thread: York YPAL

    by mathias
    Replies
    2
    Views
    475

    Fellow, I had one do the same thing, look at...

    Fellow,
    I had one do the same thing, look at your window on the micro without the sun glaze, if it is light in color unplug the printer lead from the micro, it has grounded out and evan if you...
  2. Replies
    42
    Views
    4,630

    I had the same problem and replaced with new...

    I had the same problem and replaced with new sheave and belts, problem solved!
  3. Replies
    6
    Views
    2,159

    you have dirty power in your building, you need...

    you have dirty power in your building, you need to upgrade the chip in on the VSD board to the newest version!!!!! now my problem does any one know what to do with a combination of bad hemorroids...
  4. Thread: YK surge

    by mathias
    Replies
    8
    Views
    577

    YK surging

    Friend,
    Log in under service, go to the evaporator screen and under sensitivity if it is set for normal put it to 50 per cent this should give better control of vanes and help chiller settle...
  5. Replies
    11
    Views
    877

    ycal low charge

    Hey Tech,
    You are working on a york scroll chiller and it should have a ball valve on the discharge and a liquid line valve, check your water flow and make sure that you don't have air in the...
  6. Replies
    13
    Views
    815

    stories

    it has not happened to me (knock on wood) but two guys put a new seal in this YK chiller a week later the main guy and a new hire came back out to start it up, the new hire ask the lead tech if he...
  7. Replies
    5
    Views
    815

    19xr trip

    is the chiller in a moisture and dusty ladden atmosphere, had one that tripped because of this, use dry nitrogen and blow out and take wires off disconnect and wipe all down!!!
  8. Replies
    8
    Views
    602

    certification to teach classes

    I teach A/C classes at my union hall, I want to start giving classes to anyone that wants them primarily for yearly accredidation but can't get any input into how to ge certified! Seems no one wants...
  9. Thread: 400 ton 19dm

    by mathias
    Replies
    13
    Views
    1,352

    turbovac, get a tube of purple gelly that...

    turbovac,
    get a tube of purple gelly that we use to coat the orings with{don't know the number of top of head} and take the v-band loose, put some thin insulation in the bottom inside and...
  10. Replies
    5
    Views
    922

    York Techs bailing

    We had a good experienced tech leave for carrier and now can't get enough work to pay his bills!!!! My advice to younger guys is to get away from the big three and find a good mechanical to work...
  11. Replies
    11
    Views
    1,376

    zero degrees glycol

    friend o degrees glycol in Northeast Ohio is not very much protection!!!!!!!
  12. Thread: york ycal0070e

    by mathias
    Replies
    4
    Views
    715

    fan in reverse

    turbo,
    the first fan starts in reverse until head pressure gets high enough to bring on second fan which deenergizes 1st fan in reverse then when pressures get high enough 1st fan starts...
  13. Replies
    24
    Views
    2,437

    :mad: Hey little green horns, are you sure...

    :mad:
    Hey little green horns, are you sure you have across the line seems to me you have not set up your CT correctly, tell me the Fla's of each compressor and the number of wires going thru...
  14. Replies
    17
    Views
    2,052

    monkey

    If your guy that will be servicing the units is any good at refrigeration service then I would go with both because at some time you will basically have the same type of problems!!!!!:D
  15. Thread: purge issue

    by mathias
    Replies
    47
    Views
    3,639

    purge no work

    :eek:if you have leak tested and can't seem to find the leak try replacing the check valve and solenoid valve on the exhaust of the purge, sometimes won't show up under pressure!! We lost a contract...
  16. Replies
    19
    Views
    5,726

    carrier chiller

    how about pics after u install and give one of the front of the control panel!!:)
  17. Thread: trane CGAF

    by mathias
    Replies
    13
    Views
    1,369

    trane chiller tripping

    try switching the sensors, unwire both and switch them i have done this many times before because the chiller only cares what the leaving temp is! if that is the problem, order another sensor.
  18. Replies
    22
    Views
    1,750

    air and r-134A

    any machine using r134 with a open shaft seal should have a valve on the shaft to regulate the seal oil pressure to positive pressure no matter how much vacuum you have!!
  19. Replies
    17
    Views
    12,719

    R-22 replacement

    York is using 407c in their scrowl packeges and it works fine, you had better read up on 410a because of it very high pressures you will need to upgrade copper and refrigerant gauges and hoses!!!!...
  20. Thread: McQuay WSC

    by mathias
    Replies
    6
    Views
    1,324

    McQuay Wcc

    don't get too up in the air on the subject of brand of chiller, all of the 4 main players have come a long way with their new designs.I like them both and they are both very quite. I like working on...
  21. Replies
    6
    Views
    663

    4-way load and unload

    man make sure the stop screw is in place so if you get carried away and run the screw out to far you will blow oil elsewhere!!!!!!
  22. Replies
    34
    Views
    2,423

    modular chillers

    Man I fell for you and the only advice for you is to start looking for another job!!!!!!
  23. Replies
    24
    Views
    1,469

    bearing replacement

    Steward,
    How did you get Can's pics to open up, wondering if my computer is not up to it!!!!!!!:cool:
  24. Replies
    24
    Views
    1,469

    19XL Bearings

    I hope that you are happy screwing up everyones time with your bull**** download!!!!!!
  25. Replies
    33
    Views
    2,094

    leak test

    Hey guys,
    Just talked to my source and you were right he was cracking, sorry!!
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