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  1. "No; compressors are rated to suction temperature...

    "No; compressors are rated to suction temperature range. Like an A/C compressor might be rated at a +40º suction temperature. A low temperature freezer compressor might be rated at a -20º suction."
    ...
  2. Thread: foaming in oil

    by jat2020
    Replies
    4
    Views
    448

    i believe the other pump went bad because te lp...

    i believe the other pump went bad because te lp switch wasnt working so it just ran in a vaccum the whole time the cooler was down to temperature... the SH at the pump was like 40... discharge temp...
  3. Thread: foaming in oil

    by jat2020
    Replies
    4
    Views
    448

    foaming in oil

    replaced a compressor today and oil in sightglass looks normal while running until it goes to pumpdown then the whole sight glass fill with foam during pumpdown. is this something i should be...
  4. Thread: r12 to 134a

    by jat2020
    Replies
    12
    Views
    721

    thanks for the replies the compresor is...

    thanks for the replies the compresor is aea4440yxa and has a 134a sticker on it but could i use 409a which would be a replacement for r12
  5. Thread: r12 to 134a

    by jat2020
    Replies
    12
    Views
    721

    r12 to 134a

    going to change out a compressor tommorow and change it from r12 to 134a. my question is do i need to also change out the cap tube to match the 134a? and if so how do i determine what size and...
  6. Thread: easy seal

    by jat2020
    Replies
    14
    Views
    1,039

    isolate cold well and pressurize it with nitrogen...

    isolate cold well and pressurize it with nitrogen and pressure droped
  7. Thread: easy seal

    by jat2020
    Replies
    14
    Views
    1,039

    yes

    yes
  8. Thread: easy seal

    by jat2020
    Replies
    14
    Views
    1,039

    easy seal

    any thoughts on using easy seal on refrigeration equipment? reason i ask i added a can to a cold rail salad bar because it was leaking inside cold plate and had no other option. seemed to run high...
  9. Thread: weak comp?

    by jat2020
    Replies
    21
    Views
    1,678

    i understand what your saying TF12 but in my...

    i understand what your saying TF12 but in my situation the head pressure is a little high and also the suction pressure is high but my amps are low?????? and also with my suction being so high could...
  10. Thread: weak comp?

    by jat2020
    Replies
    21
    Views
    1,678

    thanks for the relies and i did check the pump...

    thanks for the relies and i did check the pump down on it and it came to a 10" vacumm and the LL temp leaving the condenser was 100 degrees
  11. Thread: weak comp?

    by jat2020
    Replies
    21
    Views
    1,678

    thanks again icemeister for taking the time to...

    thanks again icemeister for taking the time to help me out
  12. Thread: weak comp?

    by jat2020
    Replies
    21
    Views
    1,678

    and also one more thing that puzzles me is why is...

    and also one more thing that puzzles me is why is the amp draw suppost to be so much lower then the RLA rating yet i would think with the pressures being high it should make me think it should be...
  13. Thread: weak comp?

    by jat2020
    Replies
    21
    Views
    1,678

    thanks icemeister for the info... is there a link...

    thanks icemeister for the info... is there a link or some way to get these performance charts for different compressors? thanks again
  14. Thread: weak comp?

    by jat2020
    Replies
    21
    Views
    1,678

    404a cleaned the condenser and 90...

    404a cleaned the condenser and 90 ambient....for what its worth the rated RLA are 11.4
  15. Thread: weak comp?

    by jat2020
    Replies
    21
    Views
    1,678

    weak comp?

    this is for a walk in freezer just wondering if someone could run the numbers to see if i got a weak compressor?
    copeland model CF06K6E-PFV-253
    suction pressure 28lbs
    discharge pressure 325lbs...
  16. Thread: Manitowoc

    by jat2020
    Replies
    13
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    2,053

    i would replace the curtain switch if it wont...

    i would replace the curtain switch if it wont shut off, also a thought about the clicking noise you hear, is it the compressor overload you hear?
  17. Replies
    20
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    2,338

    this is just one of those ice machine and bin all...

    this is just one of those ice machine and bin all in one deals right? if so i was told by tech support once that its part of the normal cycle and will eventually start pumping water give it a couple...
  18. Replies
    16
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    3,152

    first thing that comes to mind is its the...

    first thing that comes to mind is its the thermister not taking machine out of defrost i would also make sure that during the night when no one is using hot water that its not migrating to the ice...
  19. Replies
    28
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    3,083

    is copeland the ony manufacturer that has...

    is copeland the ony manufacturer that has performance charts or can u get them from tecumseh too
  20. Replies
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    6,635

    "I was convinced of it when I got the static 305#...

    "I was convinced of it when I got the static 305# with 99ºF air on the condenser. Then after it cooled off and started, seeing the out of sight head, cool LL and no overcharge clinched it for good."...
  21. Replies
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    3,628

    the refrigerant is 134a and i did weigh it back...

    the refrigerant is 134a and i did weigh it back in after changing out the filter drier and i did push nitro from hight to low and it did flow through it, and i think your right it was about 18 ozs...
  22. Replies
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    3,628

    ya i agree with u guys head pressure should fall...

    ya i agree with u guys head pressure should fall with a resticted cap tube, actually i thought my pressures looked good too but just couldnt see why me liquid line was still so hot and the suction...
  23. Replies
    42
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    3,628

    ya thats why im thinking partially plugged cap...

    ya thats why im thinking partially plugged cap tube. but it seems to cool the box quickly. ive heard differnt techs say differnt things about plugged cap tubes and the effects on head pressure, some...
  24. Replies
    42
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    3,628

    having cooler problems

    working on a superior 3 door cooler. got there and found liquid line way to hot felt like the discharge line. condeser plugged solid. cleaned coil started unit back up unit come down to temp but the...
  25. Replies
    26
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    2,632

    talked to tech support said to hook up both red...

    talked to tech support said to hook up both red wires from magnetic switches to ground and turn machine on and if it starts the switches need to be replaced or the one i didnt replace but if it...
  26. Replies
    26
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    2,632

    well i got the model # its qydual4c

    well i got the model # its qydual4c
  27. Replies
    26
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    2,632

    sorry about no model # will try to get it and...

    sorry about no model # will try to get it and post it but i do know that this machine is only about 1.5 years old and the manager said that the board has already been replaced once and i saw where...
  28. Replies
    26
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    2,632

    manitowac problem

    working on this ice machine duel evap it keeps shutting down and styaying off until its reset by either the on off switch or the curtain switch but is not giving me any safetys lights. once it shuts...
  29. Thread: hoshizaki

    by jat2020
    Replies
    7
    Views
    2,030

    hoshizaki

    to increase ice thickness do u raise or lower the float assembly
  30. Replies
    24
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    3,286

    were your gauges leaking by

    were your gauges leaking by
  31. Replies
    24
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    3,286

    were your gauges leaking by?

    were your gauges leaking by?
  32. Replies
    24
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    3,286

    read through entire post and thought i wonder if...

    read through entire post and thought i wonder if the refrigerant was going through your gages from high to low side. just a thought
  33. Thread: trane

    by jat2020
    Replies
    4
    Views
    674

    trane

    just wondering if anyone knows of any good links to explain trane contols for a rooftop a/c unit like differnt spects and what voltage reading your suppost to get at different points in the...
  34. Replies
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    900

    yup

    yup
  35. Replies
    5
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    900

    this compressor had both a run and start cap and...

    this compressor had both a run and start cap and the com= 7.9 amps run=4.5 and start =4.5 i just found it weird that the com and run winding werent drawing the same amount of amps.
  36. Replies
    5
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    900

    comp efficiecy test

    working an a copeland compressor today and was doing an efficiecy test on the compressor with copeland calculator . had 15psi suction and 225 psi discharge and the calculator said i should be drawing...
  37. Thread: need help

    by jat2020
    Replies
    3
    Views
    691

    need help

    got a RS64CIE-CAA-216 copeland compressor and am trying to find out what hp it is? i know that for medium temp it puts out 6300btus and at low temp it good for 2790btus. but how do i figure out the...
  38. Replies
    6
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    1,243

    ya this unit has been a nightmare its a hobart...

    ya this unit has been a nightmare its a hobart side by side one is a cooler side next to the freezer. its at an ihop restaraunt back in the kitchen area thats like 85 degrees and this freezer side...
  39. Replies
    6
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    1,243

    coil freezing up

    if an upright freezer does not have a fan delay klixon to cycle fans on after defrost they just come on right when comp does will this alone cause a coil to freeze up. also another q's how important...
  40. Thread: cap tube

    by jat2020
    Replies
    21
    Views
    1,778

    cap tube

    working on a reach in freezer the other day it had a plugged cap tube. so i go out to my truck to get one and all i have is 4 feet of number 2 cap tube. so i look it up on my chart and it says to use...
  41. Thread: traulsen

    by jat2020
    Replies
    39
    Views
    3,629

    hey ace that would be great if you could send...

    hey ace that would be great if you could send that info to me my email is xxxxxxxxxxxxxx thxs.


    poof
  42. Thread: traulsen

    by jat2020
    Replies
    39
    Views
    3,629

    traulsen

    been getting alot of traulsen cooler/freezer problems lately and am getting tired of having to call there help line to figure out how to use there digital display to check sensors and defrost...
  43. Thread: Sticking TXVS

    by jat2020
    Replies
    5
    Views
    1,009

    "Checked subCooling at the inlet of the TXVS to...

    "Checked subCooling at the inlet of the TXVS to find it at 15 Deg F,"



    i have never checked subcooling at the inlet of a txv is this a common practice for most of you guys, to make sure you got...
  44. Thread: not sure

    by jat2020
    Replies
    4
    Views
    715

    this system im working on is a 32 ft dairy lineup...

    this system im working on is a 32 ft dairy lineup out of refrigerant found and fixed leaks and recharged to full sight glass (most of the time) its split up into 4 sections of 8 , 2 sections work...
  45. Thread: not sure

    by jat2020
    Replies
    4
    Views
    715

    not sure

    is 100lbs a common setting for a r12 headmaster seen one today just seems to low to me?
  46. Replies
    9
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    1,216

    thxs for clearing that up for me everyone

    thxs for clearing that up for me everyone
  47. Replies
    9
    Views
    1,216

    never seen this before

    working on a wif today problem with oil control tripping got that fixed but the waythis cond unit was piped i have never seen, maybe someone can explain it to me.

    disharge comes off into a...
  48. Replies
    19
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    7,381

    headmaster question

    with a headmaster does it throttle the refrigerant at a specific rate to keep proper head pressure or is it open/closed
  49. Replies
    8
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    1,013

    thxs for the replies i will wire the header fan...

    thxs for the replies i will wire the header fan to run at all times and cycle the other on e
  50. Replies
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    1,013

    freezer problems

    went on a call yesterday on a 15 door freezer not keeping temp. got there and found it was low on refrigerant. i locate and repair 3 different leaks. pull a deep vacuum and recharge unit everything...
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