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  1. Replies
    13
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    2,628

    Press the current limit setpoint button and make...

    Press the current limit setpoint button and make sure that someone didn't accidently change the unit RLA when they were trying to change the current limit setpoit. Make sure both chillers are set the...
  2. Replies
    5
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    1,992

    Can't really go into the details at this time.

    Can't really go into the details at this time.
  3. Replies
    5
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    1,992

    I've got one piece of advice for you. Under no...

    I've got one piece of advice for you. Under no circumstance sign their restrictive covenent, it's not worth the hastle.
  4. Thread: RTAA340

    by always looking
    Replies
    19
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    1,422

    I had the same problem once and it came down to a...

    I had the same problem once and it came down to a wire being landed in the wrong place on the terminal strip. Follow the wires from the module down to the strip below and verify everything is...
  5. Replies
    153
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    36,583

    Thanks for the info but I have a D design series...

    Thanks for the info but I have a D design series chiller which has a XHS120BF46L00330 compressor, does anyone have anything on this compressor? My slide valve is stuck at around 80%.
  6. Replies
    153
    Views
    36,583

    My e-mail is too long to fit in profile so try...

    My e-mail is too long to fit in profile so try this,
    Email Address Removed
  7. Replies
    153
    Views
    36,583

    Hate to sound like a broken record but could...

    Hate to sound like a broken record but could someone send a copy to me, found one stuck today.
  8. Replies
    2
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    742

    I interviewed there once and was made an offer...

    I interviewed there once and was made an offer which I didn't take because I couldn't get my wife talked in to the move. About five years later I checked back with them and they made me the same...
  9. Replies
    34
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    3,059

    DavyB has it right. You young guys just try to...

    DavyB has it right. You young guys just try to get your foot in the door as a shop guy and if your lucky maybe you can get some schooling payed for by the owner,I'm not so sure I believe that being...
  10. Replies
    9
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    1,590

    If you would like a good alternative to McDonald...

    If you would like a good alternative to McDonald Miller or Johnson take a look at a Harwil Q5. We used them on larger chillers, designed for more flow than the other manufactures can handle.
  11. Replies
    10
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    1,355

    You didn't say how old your machine is. Is it the...

    You didn't say how old your machine is. Is it the lower sump that has the external impeller for motor cooling because I have had one of those locked up due to a contaminated system.You will be lucky...
  12. Replies
    15
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    1,465

    Check you discarge volute for the groove that the...

    Check you discarge volute for the groove that the o ring would mate up to. If there is not a groove then it can't take an o ring.
  13. If you have a part winding start and one...

    If you have a part winding start and one compressor is already running. When the other compressor comes on the vibration of the contactors can trip the relay. Every unit we have out there we have the...
  14. You probably have a bad Guard Pak. Try jumping it...

    You probably have a bad Guard Pak. Try jumping it out(M1-M2). Make sure you have gauges on it to prove you have oil pressure.
  15. Thread: RTAC

    by always looking
    Replies
    17
    Views
    2,387

    The leaks we find are right at the stem of the...

    The leaks we find are right at the stem of the butterfly valve were the handle goes on. No need to remove any insulation usually to find it but you have to have a good leak detector. The usually leak...
  16. Thread: RTAC

    by always looking
    Replies
    17
    Views
    2,387

    We find leaks there all the time. Look for the...

    We find leaks there all the time. Look for the slight oil trace. What you think is a small leak is usually larger. Had one that I could barely pick up, ordered a new valve when I got back to change...
  17. Replies
    37
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    2,351

    I know all shops tend to have their own way of...

    I know all shops tend to have their own way of doing things but I have done probably 50 overhauls in the last 20 years with about 10 of them having a new motor. I have never had a machine balanced...
  18. I had this problem a year or so ago. The...

    I had this problem a year or so ago. The transition contactor was actually hanging up and staying in too long. This may be your problem especially if your resistors look like they have been...
  19. Replies
    12
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    3,160

    I had a little trouble with your original...

    I had a little trouble with your original disciption of the problem but I assume you are tripping out on reset relay which could be other things than motor temp. We have a problem all the time with...
  20. Sorry you were partially right. I was thinking of...

    Sorry you were partially right. I was thinking of exhaust fan failure.
  21. No I"m not , have worked on the same problem...

    No I"m not , have worked on the same problem lately and that was the problem on both units. They had just been started up a few weeks before and was having random diagnostics.
  22. Your drive is not making the pressure switch...

    Your drive is not making the pressure switch quick enough probably. Try increasing minimum speed to 30 HZ and changing your ramp up time to 10 or 15 seconds. I have had to go as high as 33 HZ before
  23. The first place to look for a leak on a chiller...

    The first place to look for a leak on a chiller with an Earthwise Purge is the float in the bottom of the tank. Leaks can be found while the machine is running, or you can isolate the purge and...
  24. Replies
    8
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    1,542

    I had 4 chillers setting side by side that...

    I had 4 chillers setting side by side that starting acting up a year after startup. Came down to construction dust inside of the solid state starter module. Blew them all out and never had the...
  25. Replies
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    3,210

    A little trick I started doing several years ago...

    A little trick I started doing several years ago on some of these units that may have problems is to go in the P4 menu and change the % of condensor pressure setpoint down to 82 from 90. This slows...
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