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  1. you stated you need "top gun" yet post wage...

    you stated you need "top gun"

    yet post wage range from apprentice to not so much "top gun"

    you are not in a unique position, having to find 'top gun' mechanics.......

    where i am at, large...
  2. yea, my local said they have had some with travel...

    yea, my local said they have had some with travel cards go there with little to no issue

    might just look into that
  3. you have a link to the company in question?

    you have a link to the company in question?
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    what do mean by hotter?

    what do mean by hotter?
  5. oh I thought you knew it was wrong, and when you...

    oh I thought you knew it was wrong, and when you installed the new one, you corrected and tested it.

    sorry
  6. I think you need to stick to just the facts you...

    I think you need to stick to just the facts you have in front of you, and convey to copeland, I am sure there will be no issue in warranty


    -you found what could easily be the cause of the...
  7. forgot to washer down the liners,,,,,,,,,sounds...

    forgot to washer down the liners,,,,,,,,,sounds minty fun!!

    I was called to do start up on a new 5H80, I get there, and see 3 dead ones hidden in the corner of the room!!!

    I asked whats up...
  8. I kinka figured it was real low. And I totally...

    I kinka figured it was real low.

    And I totally agree, one is not doing their job fully if they dont fill out a start up log, I have done my best trying to instill this step to apprentices that...
  9. copeland offers a 2 year warranty if you fill out...

    copeland offers a 2 year warranty if you fill out their startup sheets

    you have to ask for them

    if you get nowhere with this guy, phone corporate

    unless they have done a 180 recently, that i...
  10. copeland's policy is 1 free replacement...

    copeland's policy is

    1 free replacement regardless of the screwup

    It is to my, and bitzer rep i deal with, great displeasure they do that, but that is a fact.

    BItzer now does the same

    You...
  11. and must have never ran out of oil until it...

    and must have never ran out of oil

    until it did.
  12. if both control wires were connected to L you...

    if both control wires were connected to L

    you removed the SAFETY

    L and M is the switch that OPENS and de energizes the contactor.


    now you know why the compressor had no oil in it and...
  13. Inspect the contactor contacts. do they still...

    Inspect the contactor contacts.

    do they still look new?
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    then you have to use your own judgment if it...

    then you have to use your own judgment

    if it has no UL markings, who knows

    its an appliance
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    is there a UL marking on the data plate?

    is there a UL marking on the data plate?
  16. thank you

    thank you
  17. what is top hourly rate you are willing to pay?

    what is top hourly rate you are willing to pay?
  18. Replies
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    sized bigger.

    sized bigger.
  19. Replies
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    that is copeland recom UL, the governing body...

    that is copeland recom

    UL, the governing body say 1.56 is acceptable

    i had this talk, many years ago with bitzer and copeland engineers as i said before

    UL relaxed its standards, and also...
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    copy and paste from bitzer "Technical Data ...

    copy and paste from bitzer

    "Technical Data

    (6G-30.2Y)
    Technical Data
    Displacement (1450 RPM 50Hz) 126,8 m/h
    Displacement (1750 RPM 60Hz) 153,0 m/h
    No. of cylinder x bore x stroke 6 x 75...
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    Also if i remember contactor is 1.56 ...

    Also if i remember

    contactor is 1.56

    conductor is 1.4
  22. Replies
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    I talked with both engineers at emerson and...

    I talked with both engineers at emerson and bitzer on this

    they both mean the same thing, they told me, just different convention for authorities they serve, europe or North america

    as long as...
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    I suggest you get the MOC by contacting the manuf...

    I suggest you get the MOC by contacting the manuf via internet
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    this is how you size your relay/contactor/motor...

    this is how you size your relay/contactor/motor starter or even VFD


    there is NO OTHER WAY, this is the industry standard by the compressor manuf to meet UL requirements


    you go to the manuf...
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    the fan will be fine used them on many...

    the fan will be fine

    used them on many applications, just find the right capacitor is the thing

    fan motor cycling is far worse than variable speed for the motor, IMHO
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    its an option, whom ever bought it, opted out ...

    its an option, whom ever bought it, opted out

    and chose fancycling instead

    you should have chose a P66. variable speed controller instead IMHO
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    "I didn't grab the suction temp at the comp but...

    "I didn't grab the suction temp at the comp but felt like only about 65*F, not very cool."

    you have a -20SST at evap with 8F superheat, and the pipe temp at compressor is near 65?

    are you sure...
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    how many defrosts has the unit gone through? ...

    how many defrosts has the unit gone through?

    you have 19 TD, sounds like the coil is frozen over
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    dont limit yourself expand your imagination!!

    dont limit yourself

    expand your imagination!!
  30. Replies
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    TWIN screw:cheers:

    TWIN screw:cheers:
  31. Replies
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    have a couple of those on ferries

    have a couple of those on ferries
  32. Replies
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    HSN

    HSN
  33. Replies
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    https://hvac-talk.com/vbb/attachment.php?attachmen...

    https://hvac-talk.com/vbb/attachment.php?attachmentid=814272&d=1579407120


    we call this integral

    oil cooling
  34. Replies
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    75HP bitzer twin screw 1 of 4 on a parallel...

    75HP bitzer twin screw

    1 of 4 on a parallel rack driving a spiral blast freezer
  35. Replies
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    which pic are you referring to?

    which pic are you referring to?
  36. Replies
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    https://hvac-talk.com/vbb/attachment.php?attachmen...

    https://hvac-talk.com/vbb/attachment.php?attachmentid=814271&d=1579407120
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    https://hvac-talk.com/vbb/attachment.php?attachmen...

    https://hvac-talk.com/vbb/attachment.php?attachmentid=814270&thumb=1&d=1579407120
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    1 Tech from cimco and 2 facility untrained...

    1 Tech from cimco

    and

    2 facility untrained persons

    none were wearing their Respirator
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    What about US "R" people??? Merry Christmas !

    What about US "R" people???

    Merry Christmas !
  40. okay how many hours did you spend in total on...

    okay

    how many hours did you spend in total on this repair?
  41. How many billable hours in total for this repair?

    How many billable hours in total for this repair?
  42. Replies
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    i think that is operating signal design...

    i think that is operating signal

    design pressures, i like burst, are way higher
  43. Replies
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    I have not heard that anywhere, talking with...

    I have not heard that anywhere, talking with engineers at emerson or alike............


    here is a little spec sheet
    ...
  44. given the right conditions and enough time, that...

    given the right conditions and enough time, that will happen

    I have seen 2 months of service calls, and numerous oil fail resets by customer before catastrophic failure, then it was discovered of...
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    evap data plate should have the design pressure...

    evap data plate should have the design pressure clearly stated

    if the xducer cannot handle it, that is a mauf issue

    i am not familiar with what they are using, i have used many pt-x from...
  46. is the accum installed in reverse?

    is the accum installed in reverse?
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    if you dump N2 into the high side while looking...

    if you dump N2 into the high side while looking at low side pressure, you can prove the solenoid holds and so does the dis valves in the compressor

    then you once you are good there, you can dump...
  48. That is most likely carbonized oil from oil...

    That is most likely carbonized oil from oil overtemp

    plugged condenser for a long period of time, or undercharge/and or leak on low side and running in a vac
  49. increased superheat, increased discharge temps ...

    increased superheat, increased discharge temps

    starving coil, more frequent freeze ups

    decreased EER, decreased COP

    When ever you decrease suction pressure from optimal, you decrease...
  50. once you start driving the head pressure down,...

    once you start driving the head pressure down, you have to be very careful of compressor capacity

    if you have good match between compressor and evap at your SST and say 90 SCT.........

    once you...
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