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  1. Replies
    134
    Views
    3,493

    does it have a liquid line solenoid?

    does it have a liquid line solenoid?
  2. sounds like the tech missed something in the drive

    sounds like the tech missed something in the drive
  3. have the motor meg-ohm tested and the VSD gone...

    have the motor meg-ohm tested and the VSD gone through by a qualified technician.
  4. Replies
    8
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    579

    have any of the controllers been changed out,...

    have any of the controllers been changed out, possible firmware mis-match?
  5. Replies
    9
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    675

    just be weary of Thermax, each unit is custom...

    just be weary of Thermax, each unit is custom built and each IOM is custom to that unit. The basic info in the IOM is universal but some other stuff not so much
  6. Replies
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    675

    Steam driven thermax

    818159

    Thermax is not made by Sanyo, they are their own entity. Getting information out of them is difficult
  7. Replies
    11
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    759

    is there a make up air unit for the kitchen, is...

    is there a make up air unit for the kitchen, is it bringing in humid unconditioned air
  8. Replies
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    6,487

    if the literature can be shared it would be...

    if the literature can be shared it would be greatly appreciated
  9. Replies
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    211

    815931815932 hopefully one of these helps

    815931815932

    hopefully one of these helps
  10. Thread: York YR

    by DFZ
    Replies
    9
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    589

    oil pressure must follow head pressure on a York...

    oil pressure must follow head pressure on a York screw. check the sensors for accuracy. you may also need to change the oil filter
  11. Replies
    12
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    3,832

    Email addresses not allowed in posts. You may put...

    Email addresses not allowed in posts. You may put it in your profile.

    Mod Team
  12. Thread: York yk

    by DFZ
    Replies
    13
    Views
    1,464

    sounds like the oil heater may have been...

    sounds like the oil heater may have been energized with an empty sump. that causes the oil residue on the heater element to burn and will give alot of burnt oil carbon, what color is the oil in the...
  13. Thread: York sensor fault?

    by DFZ
    Replies
    3
    Views
    933

    sensor failure is pressure reading does not match...

    sensor failure is pressure reading does not match temperature reading, you most likely lost alot of refrigerant and saturated temp doesn't match the temperature sensor
  14. Thread: York Millennium YS

    by DFZ
    Replies
    32
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    1,908

    drain the barrels and check the tubes for leaks

    drain the barrels and check the tubes for leaks
  15. Replies
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    3,832

    james2007 email me, I am interested in some of...

    james2007 email me, I am interested in some of the software you have offered in the past
  16. Replies
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    2,845

    use a tube in tube water cooled condenser. on the...

    use a tube in tube water cooled condenser. on the water side have a point of use water heater and a circulator. gas side run your nitrogen.
  17. Thread: York Talk help

    by DFZ
    Replies
    15
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    4,876

    You would most likely have to upgrade to new...

    You would most likely have to upgrade to new E-linc's. I believe the York Talk XL was a single protocol, different unit for each prototcol. JCI won't touch them just swap you out to new translaters.
  18. Replies
    15
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    1,343

    Bacharach PGM-IR is a portable unit with PPM...

    Bacharach PGM-IR is a portable unit with PPM readout. United Refrigeration sells it.
  19. Replies
    5
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    680

    wiring

    try this,
  20. Replies
    3
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    952

    Thermax

    Hot water thermax IOM
  21. Thread: Me vs. Electrician

    by DFZ
    Replies
    53
    Views
    7,766

    an electrical license is like a college degree,...

    an electrical license is like a college degree, it is not a measure of intelligence. it just means you can pass a test
  22. Thread: john stabile

    by DFZ
    Replies
    3
    Views
    1,224

    john stabile

    you are a grump, have a beer and calm down
  23. Replies
    22
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    3,875

    do they power it down in the off season, and is...

    do they power it down in the off season, and is the stand by lube active?
  24. Replies
    18
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    3,738

    Chiller guy, central jersey mostly, we do go down...

    Chiller guy, central jersey mostly, we do go down to cape may on from time to time
  25. Replies
    9
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    5,334

    also verify your part number for the transducer,...

    also verify your part number for the transducer, there are several different ones with different ranges and for different refrigerants, it could be the wrong part.
  26. Replies
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    2,878

    had one of the newer ram motors flame up, one of...

    had one of the newer ram motors flame up, one of the motor leads came loose internally, shorted out, motor ran with six foot flames shooting out of the air vents, made for a really interesting day.
  27. Thread: YORK YSCACA

    by DFZ
    Replies
    5
    Views
    2,571

    No! power down and change, record all setpoints...

    No!
    power down and change, record all setpoints first, they reside in the rtc chip. You will have to re enter the settings after the change.
  28. Thread: Chiller bearings

    by DFZ
    Replies
    27
    Views
    5,657

    make sure you have reliable power before...

    make sure you have reliable power before installing a mag bearing unit, the coast down bearings for power failure are one time use, after a no power coast down you need to rebuild it and replace them.
  29. Replies
    6
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    3,649

    was the %fla verified with a meter, some of the...

    was the %fla verified with a meter, some of the old YCAS weren't set up correctly with the ct's and the calculations.
  30. Replies
    53
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    20,147

    sounds like a full surge map,

    sounds like a full surge map,
  31. Thread: York YTH chiller

    by DFZ
    Replies
    23
    Views
    6,551

    check prv operation and calibration, check level...

    check prv operation and calibration, check level probe calibration ( its says 0% but where is it for real), also check the level control valve, if the probe reads zero with a 50 setpoint it will be...
  32. Replies
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    1,429

    no calibration, replace sensor.

    no calibration, replace sensor.
  33. Thread: YCAV

    by DFZ
    Replies
    7
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    1,954

    when you unplug the valves the stay in the...

    when you unplug the valves the stay in the position they are in at the time of unplug, they do not auto close with cable disconnected.
  34. Replies
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    4,732

    you can do pwm direct to the control board, or if...

    you can do pwm direct to the control board, or if it has the optional reset boards you can go voltage or current to the reset board which will do pwm to the control board.
  35. Replies
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    3,029

    I don't know anything about Jace, but I hope this...

    I don't know anything about Jace, but I hope this helps you.
  36. Replies
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    4,554

    we had one done a year or so ago. the motor shop...

    we had one done a year or so ago. the motor shop had to cut the baffles back to get the air flow thru the motor and cool it down. if i remember correctly they had to cut them back alot, alittle at...
  37. Thread: YCAS Oil Line

    by DFZ
    Replies
    5
    Views
    1,308

    I've put them in with copper stubs and also with...

    I've put them in with copper stubs and also with the Swagelok, both work and haven't have them fail.
  38. Thread: YCAS Oil Line

    by DFZ
    Replies
    5
    Views
    1,308

    stainless

    stainless
  39. Replies
    3
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    1,472

    the iom should go over purging and bubble rate,...

    the iom should go over purging and bubble rate, the alcohol will show up in the sample report.

    the nameplate should list the inhibitor, nitrate, molybdate, advagard 750, or chromate.
  40. Replies
    3
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    1,472

    here is the IOM add a little lithium nitrate...

    here is the IOM

    add a little lithium nitrate to knock down the hydrogen, then get another sample to verify chemistry, the nitrate will get rid of the gas but cause other things to go on.
  41. Replies
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    1,949

    what is design flow for the chiller and what is...

    what is design flow for the chiller and what is being pushed through it during this issue, too little flow will do the same thing, temp dropping faster than unload timers.
  42. Replies
    11
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    2,844

    here is a Bacnet list I found for the Elinc, it...

    here is a Bacnet list I found for the Elinc, it should show you how to map the points list to the bacnet points, I hope it helps.
  43. Replies
    11
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    2,844

    p03 should be sound limit

    p03 should be sound limit
  44. Replies
    2
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    2,545

    chain fault refers to the safety chain, a set of...

    chain fault refers to the safety chain, a set of safeties in series, usually hpco lpco and the compressor motor protectors,
    if it has copeland scrolls, those motor protectors do go bad and are easy...
  45. Replies
    77
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    25,587

    sales order screen is listed in feet of water...

    sales order screen is listed in feet of water column, it has to be converted to psi,
    the 80 degree design for entering tower water is at 100 percent load, it can go lower and will reduce amp draw...
  46. Replies
    77
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    25,587

    check oil loss, if you have oil in the evap on...

    check oil loss, if you have oil in the evap on start up it will return thru the compressor and cause low discharge superheat, when it finishes it will go back to normal
  47. Replies
    3
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    3,503

    try this

    try this
  48. Replies
    11
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    2,284

    almost every chiller room I work in has at least...

    almost every chiller room I work in has at least 1 air handler in it,
  49. Replies
    13
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    2,513

    what some of the posters need to learn is the...

    what some of the posters need to learn is the quality of what goes in equals the quality of what comes out.
    little to no useable information in, equals little to no usable information out.
  50. Thread: RTAA-IOM-3

    by DFZ
    Replies
    1
    Views
    1,489

    Here

    Here
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