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Type: Posts; User: Chillmac

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  1. Replies
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    I use the Katflow 230 from Katronic. It has the...

    I use the Katflow 230 from Katronic. It has the wall thickness sensor. Works great and can log the flows.
    Otherwise I use a Comdronic if the system has a DRV on it
  2. Thread: No cool load

    by Chillmac
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    690

    Auto Lead lag Raptyr. Auto restart after power...

    Auto Lead lag Raptyr.
    Auto restart after power failure ect

    There is actually noting wrong with the chiller, just I'd like to know whey it happened.
    I also seen it happening on a YCAJ many moons...
  3. Thread: No cool load

    by Chillmac
    Replies
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    690

    In local model. She likely would have started....

    In local model. She likely would have started. Just that I was on site at the time.
    it had gone to 11 DegC and still said no cool load.
    i had system # 2 switch off as i was doing a service on it....
  4. Thread: No cool load

    by Chillmac
    Replies
    12
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    690

    But the chiller is off and waiting to start. The...

    But the chiller is off and waiting to start. The CHW temp is climbing and she still doesn't kick in?
    Just sits there with no cool load.
  5. Thread: No cool load

    by Chillmac
    Replies
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    690

    Nope. Had one today. Set point at 7 DegC. Range...

    Nope. Had one today. Set point at 7 DegC. Range at 1 DegC. LWT was at 11 DegC. Not controlled by remote set point either. Had to drop set point to 5 before it would kick in a compressor. YLAA...
  6. Thread: No cool load

    by Chillmac
    Replies
    12
    Views
    690

    No cool load

    Does anyone know why some York chillers display a 'No cool load' when clearly there is a cool load and sometimes you got to drop the setpoint to start a compressor?
  7. Years ago I use to spin the compressors the other...

    Years ago I use to spin the compressors the other way when I was get oil problems on the recips.
    Worked a charm.
  8. Replies
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    635

    I had this same issue on a YVAA recently. Turned...

    I had this same issue on a YVAA recently. Turned out to be contaminated gas in it.
    Has anyone else been working on your machine recently and had the gas pulled?
    Is the oil good and has any oil been...
  9. Thread: Carrier 30GX

    by Chillmac
    Replies
    2
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    515

    Thank you Stan.

    Thank you Stan.
  10. Thread: Carrier 30GX

    by Chillmac
    Replies
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    515

    Carrier 30GX

    Hi all,

    Anyone make a stab what the cooling capacity of a Carrier 30GX14800EAEE would be at say 7 DegC LWT and 12 DegC RWT in a 30 DegC ambient?
  11. Replies
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    So you have to run two pumps for the chiller to...

    So you have to run two pumps for the chiller to work?
    Is your flow switch ok and are there and strainers on the systems that may be blocked up?
    Have you checked the PD across the Evap to check if...
  12. Thread: Parts Manual

    by Chillmac
    Replies
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    355

    Parts Manual

    Hi all,

    Anyone got a parts manual for a York LCHM 100 WL50 that they could pass on to me please?
  13. Replies
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    726

    I agree that all measurements should be verified....

    I agree that all measurements should be verified. But I just know on some sites whereby I work on with YK's and anytime I have been asked to do this, this is the way I do it. Typically on the larger...
  14. Replies
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    726

    OK this is how I do it, so i'll give an example,...

    OK this is how I do it, so i'll give an example, easier to explain.

    Get the flow rate of the Evap and using the equation above get the Evap KW
    So say flow is 110 L/sec * 4.187 * DT say 4.5 DegC =...
  15. Replies
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    726

    Thanks for the reply Jay. Usually with water...

    Thanks for the reply Jay.
    Usually with water cooled I just get the flows on the evap on cond. Then using the Q=M*C*Dt I get the KW of both side. Then very easy to get the COP and from there I can...
  16. Replies
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    726

    chiller efficiency test

    Do any of you guys check chiller efficiency on your rounds?
    Specifically check out the COP of the chillers over a period of time?
    If so what equipment/software do you use?

    I am looking to do...
  17. Replies
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    406

    Forgot to say thank you very much indeed.

    Forgot to say thank you very much indeed.
  18. Replies
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    406

    YAES parts manual

    Anyone got a parts manual for a YAES1245SA50Y that they would be willing to share?
  19. Thread: part numbers

    by Chillmac
    Replies
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    633

    The model I have is a YVAA0967AAA50BAV But I...

    The model I have is a YVAA0967AAA50BAV But I don't have the full pin.
    I did change fan motors on this chiller before and they also sent new brackets with the motors, Item 4 on the drawing above....
  20. Thread: part numbers

    by Chillmac
    Replies
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    633

    Ok thanks guys. I need 5 brackets but just donít...

    Ok thanks guys. I need 5 brackets but just donít understand why there is 3k difference in price in the part numbers. Then I canít figure out why they give both options. Iíll need to look at it later...
  21. Thread: part numbers

    by Chillmac
    Replies
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    633

    Ok but p/n 41938 is the two cross members that go...

    Ok but p/n 41938 is the two cross members that go from opposite corners on the fan deck. They form a U shape that the motor sits into.
    You the tighten the motor into the U by two round bars that...
  22. Thread: part numbers

    by Chillmac
    Replies
    10
    Views
    633

    part numbers

    Can anyone tell me the difference between the following parts numbers for a YVAA chiller please?

    026-46735-000 fan motor support bracket
    026-41938-000 fan motor support bracket

    There is a...
  23. Replies
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    914

    Ordered in 5 Gallons. Apparently it comes in 1...

    Ordered in 5 Gallons. Apparently it comes in 1 Gallon drum or 5 gallon drum. Its got two compressors on the chiller.
  24. Replies
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    YVWA Inhibitor

    Hey guys,
    just picked up a new account and I want to change the VSD inhibitor.
    Any idea how much inhibitor these chillers hold?
  25. Thread: Chiller Parts

    by Chillmac
    Replies
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    589

    Thanks Chev, not sure if that would work for me,...

    Thanks Chev, not sure if that would work for me, but worth looking into.
  26. Thread: Chiller Parts

    by Chillmac
    Replies
    4
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    589

    Chiller Parts

    This is more of a question for any techs/contractors in Europe.

    I buy all my chiller parts through a company in the UK. Just because I know that company and 90% of parts I need are for York...
  27. Replies
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    Hey guys, OK quick up date. The EEV was indeed...

    Hey guys, OK quick up date.
    The EEV was indeed killed. Zero resistance across the pins on the stepper motor.
    So changed out the valve, damn they fit those things real close to the evap and...
  28. Replies
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    1,430

    I absolutely will I promise, and I certainly...

    I absolutely will I promise, and I certainly appreciate your help.
    Thank you kindly.
  29. Replies
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    Full apologies guys. Any more threads and Iíll...

    Full apologies guys. Any more threads and Iíll put all the information I have in the first post.
    I really appreciate your help. Thank you.

    Donít kick yourself too hard now!
  30. Replies
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    Hey Gibbo, The client was told from their...

    Hey Gibbo,

    The client was told from their previous service company.
    The unit is throwing up two faults:

    E128 Stepper Motor Error Alarm
    E103 Evaporator pressure probe fault.

    I will get to...
  31. Replies
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    1,430

    Well it could get ugly in fairness. Got to go...

    Well it could get ugly in fairness.
    Got to go and look at an issue on a CLivet chiller tomorrow.
    I'll know more then, but I was told by the client that it needs a new expansion valve.
    Clivet...
  32. Replies
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    1,430

    Clivet chillers

    Any Clivet Tech's here?
  33. Replies
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    9,521

    Oil temperature is typically 55 DegC when running.

    Oil temperature is typically 55 DegC when running.
  34. Replies
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    9,521

    I have an issue with a York YK chiller series F...

    I have an issue with a York YK chiller series F with variable speed drive oil pump. The chiller is tripping off on Oil-Variable Speed Pump-Setpoint not Achieved. I have replaced oil filter and...
  35. Replies
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    17,106

    Does anyone know if you can get bigger clamps for...

    Does anyone know if you can get bigger clamps for this manifold or temperature sensors on Velcro to wrap around the suctions lines and liquid lines?
    I bought a new set two weeks ago, but I could...
  36. Replies
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    17,106

    P51-870 Titan digital manifold

    Does anyone use the P51-870 digital manifold's?
    If so can you let me know what your thoughts are, the pro's and con's.

    I have the Testo 570-2, got it a couple of years ago, but it looks like its...
  37. Replies
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    1,104

    Try the JCI product information literature...

    Try the JCI product information literature website.
    You will find a lot of information there.
  38. Replies
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    2,152

    None whatsoever. I feel like having a few of them...

    None whatsoever. I feel like having a few of them right now.
    Just come back from a carrier chiller with about 12-off leaks in 6-off micro channel coils.
    Oh dear....
  39. Replies
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    2,152

    Nope. Good first post there! OK I likely...

    Nope. Good first post there!

    OK I likely didn't explain myself right.
    Over this side of the planet, and I am only talking about one particular manufacture, when you purchase new Micro channel...
  40. Replies
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    511

    Much obliged Chilrdude

    Much obliged Chilrdude
  41. Replies
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    511

    YCAS Oil line valve

    Anyone seen this valve on the oil line to the compressor on a YCAS chiller?
    According to the manual parts manual it is a ball valve, but unlike any I have seen, and don't want to try to open the...
  42. Replies
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    2,152

    Aluminuim Micro channel condenser coil

    Has anyone ever applied an E-poxy coating to Aluminium Micro channel condenser coils after the chiller has been installed for a few years?
    If so, how successful was it (in your opinion) in...
  43. Replies
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    912

    Welcome aboard...

    Welcome aboard...
  44. Like chillersvcman, I remember we had some old...

    Like chillersvcman, I remember we had some old Fricks that where fairly close to the 100K mark on hours.
    Damn good machine. Vibration analysis is worth it's weight in gold if done correctly and at...
  45. Replies
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    MTA chiller problem

    Hi guys,

    Been working to commission a new MTA chiller and keep getting the water pressure switch fault.
    The pressure switch is working fine, because when I turn on the external pump the switch...
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    If you check their website they have an office...

    If you check their website they have an office and email address for the UK, so they might be able to help..
  47. Thread: Cold Traps

    by Chillmac
    Replies
    2
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    714

    Cold Traps

    Does anyone know if there is a supplier for cold traps.
    I am looking for one to use on chillers in the region of 4MW to 7.5MW centrifugal chillers (1140 tonnes to 2150 tonnes).
    Trying to find a...
  48. Replies
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    1,315

    I have used a Katronic previously in my old...

    I have used a Katronic previously in my old company. A new one of the Katronic is 12k+ so it's pretty expensive. When you get your new one you might let me know how it is?

    A heat meter, which the...
  49. Replies
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    1,315

    Ultrasonic flow meters

    Just wondering what type of ultrasonic flow meter you guys use?
    I'm looking for a good meter, but also a heat meter if possible, but not essential.
    They are quite expensive on this side of the...
  50. Replies
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    Typically what some sites do is to run the tower...

    Typically what some sites do is to run the tower fan VSD at 95%. As mentioned above tower control is a function of WB temp and approach temp, normally 6DegC, but this would be specified by the tower...
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