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  1. Replies
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    Blue--- there is the exact machine next to it. I...

    Blue--- there is the exact machine next to it. I took the controller and the water level sensor and swapped them still locked out at end of harvest on water red light blinking twice
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    Yes between the red and yellow when floating 5vdc...

    Yes between the red and yellow when floating 5vdc pushed down 4.5 vdc
  3. Replies
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    192

    Scotsman Ice Machine

    Working on a CME-806RS- 32R. Locking out on water red light blinking twice. Reset runs through freeze cycle ok and harvest ok at end of harvest locks out on water red light blinking. ANY IDEAS WHAT'S...
  4. Thread: Scotsman

    by NANOTECH
    Replies
    6
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    410

    Scotsman

    I have a Scotsman Ice machine model # CEM809RS-32H. The Bin Full light is on-- Cleaned eyes and light still stays on then shuts down. Installed new eyes and same thing happens. Talked with tech....
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    Two glass door Ice Mechandiser

    I have a Zero Zone glass 2dr. Ice Merchandiser Md# 2RMZN30-IM SN# 0511-1027823NA that has a bad Dixell (XR4OC-4N0FO) controller. The owner says this is the third controller that has gone bad since...
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    761

    Grasslin Defrost Timer

    I have a brand new Grasslin (DTAV40) defrost timer. With all defrost tabs down calling for refrigeration and red S1 in A position I have continuity between 2 and 4 and and between 1 and F and no...
  7. Thread: quote

    by NANOTECH
    Replies
    5
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    692

    quote

    My see key is not working please exuse me! I have a kustomer that wants an all inklusive kontrak on a Sotsman 800lb. (kem-809) 800lb. remote mahine. This would be a pilot trial if all goes good he...
  8. Replies
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    Sysem Pumping Down

    I have a Trane Heat Pump Md# 2TWB3036A1000AA that keeps pumping down and shutting off on LP control!!! Nameplate says it takes 7lbs. 6 ozs. R22. I start out with around 170 head and 80 suction then...
  9. Replies
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    Sysem Pumping Down

    I have a Trane Heat Pump Md# 2TWB3036A1000AA that keeps pumping down and shutting off on LP control!!! Nameplate says it takes 7lbs. 6 ozs. R22. I start out with around 170 head and 80 suction then...
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    546

    !

    !
  11. Replies
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    Wiring in ranco digintal t/stat

    Need help on wiring this in. Do I use the jumper or not? H3 goes to 2 on the grasslin timer on the condensing unit on the roof. I am at a daaa! Normally I just come off of 4 to the stat off the other...
  12. Replies
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    Refrigeration Line Sizing

    I need help with sizing these refrigeration line sizes! Heatcraft engineering said they would not help with sizing these lines because they were burnt before. Here are the details:

    30' from...
  13. Thread: tecumseh

    by NANOTECH
    Replies
    8
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    840

    Awsome !! Thanks!!!!!!

    Wow works great!! Thank you very much!!!
  14. Thread: tecumseh

    by NANOTECH
    Replies
    8
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    840

    Oh Ok, so all I have to do is download their...

    Oh Ok, so all I have to do is download their phone App. ? Do you have the info where I can go to download it?
  15. Thread: tecumseh

    by NANOTECH
    Replies
    8
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    840

    Hey pecmsg, I went too the website and typed in...

    Hey pecmsg, I went too the website and typed in model # and nothing came back! What am I doing wrong? I selected compressors and model number and do not have the BM #
  16. Thread: tecumseh

    by NANOTECH
    Replies
    8
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    840

    Thank You!!!

    Thanks, I did not see it in there!! Really appriciate your help!!:cheers:
  17. Thread: tecumseh

    by NANOTECH
    Replies
    8
    Views
    840

    tecumseh

    Need help finding new compressor for Tecumseh! Could only locate two numbers on the cond. unit. First one I think is the cond. unit # ( 2A2166-1 ) and the second one is either the BM or Model # of...
  18. Replies
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    Copeland compressor performance curves

    Gess my old set of copeland manuals are not much good now days. Anyone know where to go online for the old style curves that shows as your SST goes up how many btu's the pump is good for?
  19. Thread: york

    by NANOTECH
    Replies
    3
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    603

    york

    Relize this is an A/C issue but hoping some of you old refrigeration dogs may have some insight!


    I have a 7.5 ton York packaged RTU with electric heat. The problem I'm having is it keeps locking...
  20. Thread: superheat

    by NANOTECH
    Replies
    6
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    649

    superheat

    Is it correct if you lower the superheat at the compressor you lower capacity and the overall refrigeration effect ?

    Thanks,
  21. Replies
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    764

    R22 Margaux Rack

    What should the desuperheater ci and co be set at? R22 Low temp.
  22. Thread: Danfoss AK255

    by NANOTECH
    Replies
    3
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    970

    So if I have a 5 1.1 it would be com 5 bd 1 pt 1 ?

    So if I have a 5 1.1 it would be com 5 bd 1 pt 1 ?
  23. Thread: Danfoss AK255

    by NANOTECH
    Replies
    3
    Views
    970

    Danfoss AK255

    When setting up Board assignments what is the .1 or .2 ? Example: Board 8 Point 5 ( what is the third number bd 8 pt 5,4) ?

    Thanks,
  24. Thread: AB Oil

    by NANOTECH
    Replies
    10
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    2,023

    Does copeland have a recommended oil to use when...

    Does copeland have a recommended oil to use when converting to R422 from R22 LT Rack!! ? Seems the best I have heard from the field when doning an oil change prior to the conversion it is best to do...
  25. Thread: AB Oil

    by NANOTECH
    Replies
    10
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    2,023

    AB Oil

    The company I'm working for is wanting us to come back in with AB Oil to replace the minerial oil on LT R22 Racks. Would it not be better to use POE ? Pros and Cons choosing one over the other would...
  26. Thread: POE Oil

    by NANOTECH
    Replies
    16
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    2,918

    Thanks Phase I was not sure if you could use POE...

    Thanks Phase I was not sure if you could use POE Oil with R22 !!
  27. Thread: POE Oil

    by NANOTECH
    Replies
    16
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    2,918

    POE Oil

    On a small system using R22 when installing new compressor that comes with POE Oil do you have to drain it out and put Minerial oil back in ?

    Thanks
  28. Thread: Rack

    by NANOTECH
    Replies
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    1,448

    Brick has been nice to me thus far due to the...

    Brick has been nice to me thus far due to the fact he is still under contract till the end of the year. He custom designed these stores about 25yrs. ago using all the NC25's and a computer in every...
  29. Thread: Rack

    by NANOTECH
    Replies
    11
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    1,448

    OK thanks Phase !! Got about 20 stores we picked...

    OK thanks Phase !! Got about 20 stores we picked up that still have these in them. We are changing them out along with the 55 upgrated to the 255's. They are pretty staight forward but having a hard...
  30. Thread: Rack

    by NANOTECH
    Replies
    11
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    1,448

    If I remember you are familiar with the old...

    If I remember you are familiar with the old NC25's ?
  31. Thread: Rack

    by NANOTECH
    Replies
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    1,448

    Hey phase how you doing? Got a few questions for...

    Hey phase how you doing? Got a few questions for you if You have the time!
  32. Thread: Rack

    by NANOTECH
    Replies
    11
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    1,448

    JP did you get my message?

    JP did you get my message?
  33. Thread: Rack

    by NANOTECH
    Replies
    11
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    1,448

    10/4 already orded new one ! Did not do a...

    10/4 already orded new one ! Did not do a performance chart check but she's ready to cause a leak big time!!
  34. Thread: Rack

    by NANOTECH
    Replies
    11
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    1,448

    Rack

    Got an old Warren/Sheer Rack. Installed new compressor in May and it is vibrating really bad. All mounting bolts are tight fronted seated suction pulled right down and held! Could this have bad...
  35. Replies
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    1,015

    Copeland 4D Compressor

    Why does copeland use a 3/4" pipe thread for the rigging eye bolt? I could not find anything to rig this and had to strap it and choke it. Has anybody found anything that will work on rigging it...
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    I would take a look at that breaker and make sure...

    I would take a look at that breaker and make sure it is the proper one with a time delay!!
  37. Replies
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    1,304

    Rack Oil Change

    Would love to here from all the techs out there that do oil changes on Refrigeration Racks. Is there a set way on how to do it? Does any of the old timers have a recommeded A to Z method? Lets just...
  38. Replies
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    1,173

    SORIT VALVE SETTING

    What is the proper way to set a SORIT valve to maintain a walk in cooler @ 35 degrees? Four compressors R507. Evaporator coil 10* TD. Should all compressors be forced on before setting it?
  39. Thread: Sport

    by NANOTECH
    Replies
    6
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    1,369

    Thanks for the good info phase!! Changed out...

    Thanks for the good info phase!! Changed out valve running like a champ!!
  40. Thread: Sport

    by NANOTECH
    Replies
    6
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    1,369

    OK thanks JP! Screwed in the manual stem ( rack...

    OK thanks JP! Screwed in the manual stem ( rack pressure) for now-- no defrost (hot gas) Will play with it more tomorrow!!
  41. Thread: Sport

    by NANOTECH
    Replies
    6
    Views
    1,369

    Not use to this dual temp. setup. Use to seeing...

    Not use to this dual temp. setup. Use to seeing Sporlan SORIT with solenoid in the pilot line! Switched the toggle switch at bottom of case and the DT coil does not appear to energize or deenergize...
  42. Thread: Sport

    by NANOTECH
    Replies
    6
    Views
    1,369

    Sport

    Got a Parker Sport 09 dual temp. valve. Is the bottom dual temp. coil energized or deenergized for med. temp. ?

    Thanks
  43. Thread: Four Season

    by NANOTECH
    Replies
    4
    Views
    874

    Four Season

    Looks like this unit was set up from the factory to change out a bad compressor thru a trap door down to the sales floor. The stores I am doing they never cut a hole in the roof to do this! Nightmare...
  44. Thread: wtf

    by NANOTECH
    Replies
    7
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    1,159

    Check for bad compressor on that rack!

    Check for bad compressor on that rack!
  45. Thread: DDR VALVE

    by NANOTECH
    Replies
    6
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    979

    DDR VALVE

    Can I replace the DDR valve with a OLDR valve on a Margaux rack? If so, what are the deciding factors wether to use an OLDR or a LDR? It seems to me a few years back I heard that you had to come back...
  46. Thread: Sub Cooler

    by NANOTECH
    Replies
    7
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    1,187

    I'll have to peel the insullation off of it today...

    I'll have to peel the insullation off of it today to see what type it is, and check the superheat on the TXV. I'll post back tonight, thanks JP !
  47. Thread: Sub Cooler

    by NANOTECH
    Replies
    7
    Views
    1,187

    Sub Cooler

    How do you determine if a sub-cooler is bad on a rack? Alarm set point is above 80 degrees. When I got there was reading 91. Being feed from med. temp. rack with a sport. Backed sport all the way out...
  48. Thread: Danfoss

    by NANOTECH
    Replies
    1
    Views
    777

    Danfoss

    Does the NC25 have the capability too float the suction? If so how to you get there?
  49. Thread: Turboshed

    by NANOTECH
    Replies
    11
    Views
    1,322

    Turboshed

    Whats the best way to add oil to a TURBOSHED?
  50. Replies
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    2,729

    This is a crazy business! Just when you think you...

    This is a crazy business! Just when you think you got it, somthing new comes along. And when you get it, somthing old comes along! Nice to have a place to talk about it!!!
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