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  1. Replies
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    490

    York Chiller YCIV Lockout: HPCO Fault

    If the hpco sw does open,yet psi is low…idk…maybe a liquid hydraulic pulse (oil or liquid ref),just guessing now.[emoji3166]


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  2. Replies
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    ‘Momentary-open’ for this case Sent from my...

    ‘Momentary-open’ for this case


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  3. Replies
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    York Chiller YCIV Lockout: HPCO Fault

    (Looks like i posted in another thread by accident)

    -I would verify that the new HPCO is really opening (possibly ‘blipping’)and not something else going on in that control circuit (sorry havent...
  4. Replies
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    -I would verify that the new HPCO is really...

    -I would verify that the new HPCO is really opening (possibly ‘blipping’)and not something else going on in that control circuit (sorry havent looked at the wiring diagram yet)
    -I would disconnect...
  5. Replies
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    Good luck. *The passcode for service mode...

    Good luck.
    *The passcode for service mode (toggle sw off) is the basic York one that is in the IOM (and is on your ‘phone’ :)


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  6. Replies
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    490

    York Chiller YCIV Lockout: HPCO Fault

    837129
    -Is the Yciv the same display as the Ycav(pic)?
    If so u can test fans in service mode(toggle sw off).
    *But 113psig is a long way from the hpco setting (297 i think) and isnt even at the...
  7. Hrs? I replaced all oil filters on my 2 YCAV’s...

    Hrs?
    I replaced all oil filters on my 2 YCAV’s at approx 12k hrs,had lots of crap in them.


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  8. 835686 Pic Sent from my iPhone using...

    835686
    Pic


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  9. Pic is From a previous thread about the Rthd oil...

    Pic is From a previous thread about the Rthd oil issue.
    Pretty sure u need to run unloaded to get dsh up.
    Liquid pump ref from bottom of evap to oil sump and boil off ref.


    Sent from my iPhone...
  10. Replies
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    UA516 site lists Daikin Applied Canada as a union...

    UA516 site lists Daikin Applied Canada as a union contractor.830298


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  11. Replies
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    1,360

    With compressors off does your motor current...

    With compressors off does your motor current display read 0?
    Have the motor overload pots on the logic board been adjusted/played with?


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  12. Replies
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    1,576

    James,would u mind shooting me that info?...

    James,would u mind shooting me that info?
    Email’s in profile.


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  13. Thread: All bound up

    by bc guy
    Replies
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    4,137

    If u power down and pull apart to check,if there...

    If u power down and pull apart to check,if there is corrosion be ready for the pins to break off.


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  14. Thread: All bound up

    by bc guy
    Replies
    21
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    4,137

    Possibly a corroded connector? Ive had to...

    Possibly a corroded connector?
    Ive had to cut,connect,solder and heatshrink in emerg cause they get like this.

    https://uploads.tapatalk-cdn.com/20210416/921567b8f028c559f3c2beeae18c1939.jpg

    ...
  15. Replies
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    Eductors working?Had sight glasses in ours to...

    Eductors working?Had sight glasses in ours to watch.
    Running long time at low load usually was our culprit though.


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  16. Replies
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    816387 Not sure if u have this Sent from my...

    816387
    Not sure if u have this


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  17. Replies
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    2,889

    Sounds like it on your frame mounted llid circuit...

    Sounds like it on your frame mounted llid circuit


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  18. Replies
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    Watch for these 816386 Sent from my iPhone...

    Watch for these 816386


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  19. [emoji120] Sent from my iPhone using Tapatalk

    [emoji120]


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  20. If you have access to this would you mind...

    If you have access to this would you mind emailing to me?
    Tia.


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  21. Replies
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    Maybe some info in here. ...

    Maybe some info in here.

    https://www.trane.com/content/dam/Trane/Commercial/lar/br/produtos-sistemas/equipamentos/Manuais-Obsoletos/Chillers/RTHC-IOM-1C.pdf


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  22. Replies
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    4,724

    Sorry,wrong model. Sent from my iPhone using...

    Sorry,wrong model.


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  23. Replies
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    The Rtac iom (manual) has good oil info. ...

    The Rtac iom (manual) has good oil info.


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  24. Thread: York ysbbs1

    by bc guy
    Replies
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    1,060

    Oops...just read that u checked solenoids ...

    Oops...just read that u checked solenoids


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  25. Thread: York ysbbs1

    by bc guy
    Replies
    7
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    1,060

    Also check 2sol (off cycle sv oil equalization...

    Also check 2sol (off cycle sv oil equalization solenoid)


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  26. Thread: York ysbbs1

    by bc guy
    Replies
    7
    Views
    1,060

    2nd

    2nd
  27. Thread: York ysbbs1

    by bc guy
    Replies
    7
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    1,060

    Good luck.A couple of pages if u dont have (fine...

    Good luck.A couple of pages if u dont have (fine adjustment just tweaks the single line display microboard pot)
    https://uploads.tapatalk-cdn.com/20180531/0e595667255d8898bd9fd7077f9c9494.heic


    ...
  28. Thread: York ysbbs1

    by bc guy
    Replies
    7
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    1,060

    Also see this...

    Also see this
    https://uploads.tapatalk-cdn.com/20180530/006df06a33e5842eb68584caf2b711d1.jpg


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  29. Thread: York ysbbs1

    by bc guy
    Replies
    7
    Views
    1,060

    Could try sv potentiometer calibration-trick it...

    Could try sv potentiometer calibration-trick it to think sv is at 0% even if its not completely closing.(as a temporary solution)
    Do a search online,calibration sheet is floating around net.

    ...
  30. Replies
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    Above mod #

    Above mod #
  31. Replies
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    https://uploads.tapatalk-cdn.com/20180529/f08689be...

    https://uploads.tapatalk-cdn.com/20180529/f08689be9c36d1b13fa8cb97e122231f.jpg

    CRC code is the 4digit code on nameplate between mod and ser



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  32. Replies
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    U may want to try a private message to one of...

    U may want to try a private message to one of these gents:
    Knewyork
    Klove
    York56

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  33. Replies
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    793601 Sent from my SM-N910W8 using Tapatalk

    793601

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  34. Replies
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    Are u getting a 115vac start signal to the logic...

    Are u getting a 115vac start signal to the logic board at J2-3/J2-4...?793591

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  35. Thread: Trane RTAC 350

    by bc guy
    Replies
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    1,790

    Last time I had that fault we had a leak to...

    Last time I had that fault we had a leak to ground at compressor...80k ohms.


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  36. Replies
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    Poll: Samsung note4 Sent from my SM-N910W8 using...

    Samsung note4

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  37. Replies
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    High Pleasure alarm

    High Pleasure alarm
  38. Replies
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    Have you been able to bind with your current...

    Have you been able to bind with your current setup (laptop,connector) on other units.
    I ask because my bud couldn' t bund the other day with his USB connector and we needed to use my laptop with...
  39. Replies
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    6,807

    Try running fully unloaded about 1/2 hour getting...

    Try running fully unloaded about 1/2 hour getting the dis temp up to bring back the oil and pull out the extra.
    Check gas pump operation (oil return system) but it looks like the problem is more...
  40. Replies
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    8,057

    How is it coming?

    How is it coming?
  41. Thread: 30 hx

    by bc guy
    Replies
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    2,076

    Approach log.

    Approach log.
  42. Replies
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    You may need one of these. I'll see what I can...

    You may need one of these.

    I'll see what I can e-mail you,but if you are buying all the parts from Mcquay ($$) I would think they could send you a manual.
  43. Replies
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    Are you doing a tear down,looking for...

    Are you doing a tear down,looking for tolerances/run outs?
    Or just general info about compressor
    (10 inch cast aluminum impeller,aluminum bearings,labyrinth seal,high speed assembly/thrust...
  44. Replies
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    What info were you wanting? I could look it up...

    What info were you wanting? I could look it up for you if you would like.
  45. Replies
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    http://jobview.monster.ca/First-Year-Apprentice-HV...

    http://jobview.monster.ca/First-Year-Apprentice-HVAC-Refrigeration-Mechanic-Local-516-Burnaby-BC-Job-Vancouver-BC-CA-100087288.aspx
  46. Replies
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    Might depend on the sequencing of the two...

    Might depend on the sequencing of the two chillers?
  47. Replies
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    1,744

    I usually look for 105F sat cond. temp (converted...

    I usually look for 105F sat cond. temp (converted from head pressure for type of refrigerant)
  48. Replies
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    Oh!....I like to go swimminn.....

    Oh!....I like to go swimminn.. with...bowl...legged ....womenn.....

    I'll show yah a scar chief......
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    OUCH....... Now could that be considered an...

    OUCH.......

    Now could that be considered an 'extra'.....:angel::whistle:...or an 'upgrade'
  50. Replies
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    They are switching an ac load--24vac fan relay...

    They are switching an ac load--24vac fan relay coil.

    Manufacturer of heatpump is Mammoth (17 yrs old).Conventional terminals y=comp contactor coil , o=rev valve solenoid , g=fan relay coil.
    ...
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