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  1. Replies
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    515

    Did you replace both resistors and thermal pads? ...

    Did you replace both resistors and thermal pads? The difference in the bus can be due to input voltage. Yes I have replaced caps but JCI will not sell the caps alone any more but I doubt any caps...
  2. The York SE card will give u full data in back...

    The York SE card will give u full data in back net how ever I don’t think the SE cards work with 1730 boards. Best practice is to operate chillers at design water temps and flows for best results.
  3. Replies
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    1,402

    IFM Efector u40100

    IFM Efector u40100
  4. Thread: Advice

    by HYP1278
    Replies
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    639

    Ac is the easiest. In my honest opinion, the...

    Ac is the easiest. In my honest opinion, the company that works on the oldest junk in your area would give u the most experience repairing machines. Then after that I would say a factory shop. You...
  5. Thread: Advice

    by HYP1278
    Replies
    7
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    639

    When u say industrial, do you mean A/C or process...

    When u say industrial, do you mean A/C or process refrigeration?
  6. Replies
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    690

    Controls. Start signal- cond valve opens -...

    Controls. Start signal- cond valve opens - chiller starts - condenser valve closes - chiller try’s to avoid surge - shuts down on high current - repeats all day for 3 weeks.
  7. Replies
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    690

    I’ve replaced a B due to spalling in thrust

    I’ve replaced a B due to spalling in thrust
  8. Replies
    12
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    690

    York uses a UPS

    York uses a UPS
  9. Replies
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    573

    Definitely would check PRV plenum return

    Definitely would check PRV plenum return
  10. There is a running level for towers listed in...

    There is a running level for towers listed in their manuals. Usually A buildings running level is too high to hold hot box water After shut down. Piping also can contribute if a long horizontal run...
  11. Replies
    10
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    1,210

    Make sure the U chip is in correctly. That will...

    Make sure the U chip is in correctly. That will give the same fault and the K1 light will blink
  12. JCI will not give out info. Resolute industry is...

    JCI will not give out info. Resolute industry is the rebuild shop
  13. Replies
    6
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    911

    I assume your chiller is fairly new and is...

    I assume your chiller is fairly new and is operating with the load control. The chiller will switch from VGD to VFD control.
  14. Replies
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    1,733

    1397 have fun

    1397 have fun
  15. Replies
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    627

    The RTC/battery (031-02565000) is located at U5...

    The RTC/battery (031-02565000) is located at U5 on the microboard.
  16. Replies
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    827

    With no power to MBC u will not have the MBC...

    With no power to MBC u will not have the MBC config to optiview. CLL brings power to MBC. Need to verify all fuses. 12FU, 1FU, 9FU, 8FU. I’m assuming VSD logic and optiview has power?
  17. Replies
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    827

    Any lights on MBC? Also check optiview setup...

    Any lights on MBC? Also check optiview setup screen for proper config.
  18. Replies
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    827

    I’m not willing to share the info you requested. ...

    I’m not willing to share the info you requested. Are u having issue with this machine?
  19. Replies
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    843

    And if was a fifth we’d be drinking

    And if was a fifth we’d be drinking
  20. Replies
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    827

    Resistance to ground should be at least 5 Meg Ohm...

    Resistance to ground should be at least 5 Meg Ohm at 500 volts if they need to be checked. Motor leads should be disconnected from the lugs in the drive for testing.
  21. Replies
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    843

    Oil is about 900$ for 5gal. Cup is 750ml at...

    Oil is about 900$ for 5gal. Cup is 750ml at about 5 per gal It will last a few months Till cooler weather if needed
  22. Replies
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    1,118

    Question is how did water get from the chilled...

    Question is how did water get from the chilled water side through evap to the condenser with out going through the barrel. I only see pics of coils
  23. Replies
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    1,042

    There has been issues with oil coolers. Also...

    There has been issues with oil coolers. Also does the unit unload fully during operation? Glide ring on shaft is another place oil escapes to evap
  24. Replies
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    1,118

    Is this an air cooled DX unit and if so I would...

    Is this an air cooled DX unit and if so I would not think if the evap broke first that the condenser would fill up on the roof. Looks more like over pressure failures to me
  25. Replies
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    1,042

    Does it trip on start up or after running a wile....

    Does it trip on start up or after running a wile. Is there any oil on dry side?
  26. Replies
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    2,382

    SI0345

    SI0345
  27. Replies
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    3,765

    Do u have the key to activate?

    Do u have the key to activate?
  28. Replies
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    1,203

    Discharge Temperature = ...

    Discharge Temperature = 75.5 ~F
    as I said before. you are carrying over. check the level valve and actuator for proper operation. the logic for the VSD will increase...
  29. Replies
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    1,203

    It's called carry over. Evaporator level to high...

    It's called carry over. Evaporator level to high or level control valve stuck open.
  30. Replies
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    1,203

    Looks like this?

    Looks like this?
  31. Replies
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    1,203

    Falling film? Sounds like carry over.

    Falling film? Sounds like carry over.
  32. Replies
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    660

    Mod number I’m not familiar with.

    Mod number I’m not familiar with.
  33. Thread: Oil analysis

    by HYP1278
    Replies
    9
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    839

    If they don’t do the carbon test it’s not worth it

    If they don’t do the carbon test it’s not worth it
  34. Replies
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    What drive. Listed as common mode fuse for 744. ...

    What drive. Listed as common mode fuse for 744. It’s In the M3.
  35. Replies
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    720

    No such thing.

    No such thing.
  36. Replies
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    710

    Trane uses bearings

    Trane uses bearings
  37. Replies
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    710

    It’s based on L10 bearing life. Thrust bearings...

    It’s based on L10 bearing life. Thrust bearings in perfect condition about 70000+ run hours
  38. Replies
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    489

    Looking at wiring diagram not much between i/o...

    Looking at wiring diagram not much between i/o and m6. Triac could be faulty or plug.
  39. Replies
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    489

    Suppressor. Overload. Loose connection in plug 38

    Suppressor. Overload. Loose connection in plug 38
  40. Replies
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    I think the formula u are showing is for glycol...

    I think the formula u are showing is for glycol loops. Try GPM X DEL T \ (24 FOR EVAP) (30 FOR COND)
  41. True but force the refrigerant in to the...

    True but force the refrigerant in to the evaporator and run the condenser dry will have I’ll effects.
  42. Your can cause carry over and loss of liquid seal

    Your can cause carry over and loss of liquid seal
  43. I would not pull power from valve actuator, that...

    I would not pull power from valve actuator, that is a falling film evaporator. If the refrigerant level is to high in evaporator it could cause much worst issues.
  44. U can try to recalibrate but I would think it...

    U can try to recalibrate but I would think it will not work. Replacement should be easy. Just set 0 before u add refrigerant back.
  45. Level in condenser? VGD moving?

    Level in condenser? VGD moving?
  46. Replies
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    Proper tools will make this go smoothly. ...

    Proper tools will make this go smoothly. Bearings are shrink fit.
  47. Replies
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    1,308

    The pic with the load dropping out and then...

    The pic with the load dropping out and then picking back up looks like a board issue. Maybe a isolation board or bad CT. Restarting with out alarm or delay timer is control.
  48. Replies
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    480

    Use a CPS magnet to load compressor wile running....

    Use a CPS magnet to load compressor wile running. (Don’t leave it on stem). If compressor loads then unloads when the mag is removed its electrical. Also this can get the trash out of capacity...
  49. Replies
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    872

    Move dip switch 4 to on with power off then...

    Move dip switch 4 to on with power off then insert card power up panel hit yes. Once upload is complete, remove power turn off dip switch 4 and restart. U will need to put sales order info back in...
  50. Yes. There was a bad batch that were failing...

    Yes. There was a bad batch that were failing often. Part numbers didn’t change so good luck
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