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Type: Posts; User: kklobas

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  1. Replies
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    443

    Does it just terminate on time rather than temp...

    Does it just terminate on time rather than temp so x is not needed?

    I see lots of old ****ty walk ins with x disconnected for who knows how long. Always tell customer and they say its fine, it's...
  2. Your kinda all over the place.... You must clean...

    Your kinda all over the place.... You must clean the condenser completley before doing anything. Look for saturation temp no more than 30 degree above ambient.

    What is the size of your reciever...
  3. Replies
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    373

    OK. AND BECAUSE THE PERFORMANCE CURVE DOSEN'T SAY...

    OK. AND BECAUSE THE PERFORMANCE CURVE DOSEN'T SAY do we assume all curves are published at 230 volts?

    This one is showing 10 amps at my evap/condensing temps. It's three phase. I should be able to...
  4. Replies
    5
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    373

    Copeland compressor curve

    I need to check a compressor that is 208 volt. I believe the ratings on the curves are at 230 volt right? What is the formula to check amp draw at 208 volt? Can't remember. Thanks

    It's a three...
  5. Replies
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    911

    The way true coolers work is the cold control...

    The way true coolers work is the cold control interrupts power to compressor and condenser fan at the same time. So, if compressor goes off and fan is still on, it is off on overload. If both go off...
  6. it never hurts to put a sight glass right before...

    it never hurts to put a sight glass right before solenoid at evap while your at it. can help with troubleshooting down the road.
  7. Replies
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    417

    Ya thats what I'm thinking too. I think its best...

    Ya thats what I'm thinking too. I think its best to spend alot of time on the phone and check every piece myself
  8. Replies
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    417

    Natural gas kitchen conversion

    I will be converting over a fairly large kitchen from propane to nat. Gas. Vulcan and blodgett ovens,a few fryers,ranges,tilt skillet,etc....

    Is it best to call manufactures tech support with each...
  9. Replies
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    738

    Is it a copeland? Thier opi page will tell you...

    Is it a copeland? Thier opi page will tell you under electrical
  10. Replies
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    604

    Maybe order a couple 3 in 1's to keep on hand too...

    Maybe order a couple 3 in 1's to keep on hand too for stuff like this while your waiting
  11. Replies
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    982

    Receiver stores liquid so txv has a full column...

    Receiver stores liquid so txv has a full column while running, accumulator is for protection against floodback, and slugging. It won't cause the system to hold any more total charge. It will only...
  12. Replies
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    480

    Do u have an accumulator ? It shouldn't hunt that...

    Do u have an accumulator ? It shouldn't hunt that much. Make sure it's sized right, bulb insulated, pure liquid to it, adjust for 6-10 at coil. You should have an accumulator with that short of a...
  13. Replies
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    1,152

    You guys hit almost 100 today. Probably very...

    You guys hit almost 100 today. Probably very busy....
  14. Replies
    14
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    1,152

    Idahoreferman- what part of the state are you in?

    Idahoreferman- what part of the state are you in?
  15. Replies
    19
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    692

    They seam really tough. I worked on a true...

    They seam really tough. I worked on a true freezer not to long ago k body air cooled. They are definitely hot to the touch while running. Never measured temp though. I'd say if discharge gas is under...
  16. Replies
    29
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    1,340

    a bad reversing valve will mimic a bad...

    a bad reversing valve will mimic a bad compressor. high suction, low amp draw, youll have hot discharge gas going straight back to compressor. feel discharge line into valve and permenant suction...
  17. Replies
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    743

    The diagnostic calculator is nice. How do u input...

    The diagnostic calculator is nice. How do u input 208 or 240 volt though? Handy app
  18. Replies
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    2,090

    Best to tell them they need a whole condensing...

    Best to tell them they need a whole condensing unit, 404a, and also re do cap tubes to correct 404 size.

    If it ran good on 416 i guess u could do that again , but we all know its intended for...
  19. Just looked a new customers walk in. No pump...

    Just looked a new customers walk in. No pump down, no defrost clock, had a stat that broke one leg of 240v to condensing unit. Then went through a dual pressure control. It was an old russel 4 fan...
  20. Replies
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    2,084

    Ok I'll be the dumb one to ask. How do you know...

    Ok I'll be the dumb one to ask. How do you know on a new call you have never worked on ? By feeling how the air flows through coil? High head?
  21. Replies
    2
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    248

    Check capillary line to powerhead for rub...

    Check capillary line to powerhead for rub through. Sounds like txv is shut
  22. Replies
    1
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    202

    Sub zero fridge question

    Got a subzero mini fridge/ under counter dropped off. Cold control stuck closed. Unit has a plate type evap with no evap fan. Does anyone know what temps the plate would run. Can I use an a12 701...
  23. Thread: r12 walk in

    by kklobas
    Replies
    94
    Views
    2,854

    There is something wrong with it. Low suction and...

    There is something wrong with it. Low suction and high sh. Evap is starving or lineset is picking up to much heat
  24. Replies
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    1,377

    I use saddle sweat valves, braze on with unit...

    I use saddle sweat valves, braze on with unit charged, leave perminatly or pinch off/ stub.
  25. Thread: Hard start kit

    by kklobas
    Replies
    8
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    793

    It wouldn't trip, it would be harder to trip. 1/5...

    It wouldn't trip, it would be harder to trip. 1/5 is smaller . It would work for testing at least.
  26. It's cap tube. Also would have a CPR to check....

    It's cap tube. Also would have a CPR to check. Need to find out head pressure, check CPR, then drier and cap tube for restriction
  27. Replies
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    3,356

    I'm saying 25-30 at least. Nothing confusing is...

    I'm saying 25-30 at least. Nothing confusing is it?
  28. Replies
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    3,356

    In this area if what you say is true and you can...

    In this area if what you say is true and you can trouble shoot and do major repairs you would be in high demand and be worth 25-30 at least.
  29. Replies
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    704

    Yes I would do coil sense for sure. I typically...

    Yes I would do coil sense for sure. I typically use a ranco a12-701. Not practical to carry so many oem's when this stat usually works great.

    The etc would be for more adjustability, or for a...
  30. Replies
    26
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    1,343

    So would it just loose a ton of capacity going to...

    So would it just loose a ton of capacity going to 134? I understand its not ideal in low temp. It's just by the time i buy a different gas, i damn near could just by a new compressor.ive done several...
  31. Replies
    26
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    1,343

    I noticed the printout shows r12 low temp also....

    I noticed the printout shows r12 low temp also. That's why I'm confused. The actual metal nameplate on compressor says r12/22/502? If its 12 only, i can't do much. I'm not buying new refrigerant for...
  32. Replies
    26
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    1,343

    I was not able to see anything on powerhead. Do I...

    I was not able to see anything on powerhead. Do I have the option to use 22 if i put a 22 txv in as well? Is that the idea on these dual rated k body's?
  33. Replies
    26
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    1,343

    Small walk in freezer

    Called to look at an old inop walk in freezer. No info on history. Semi hermetic k body m#kaa2-0075-cav. Says 12/22/502
    Singer evap m#dh2-21-2
    Box 4x5x5.

    Question is not knowing what refer is...
  34. 225 is the max. Also with an accumulator you...

    225 is the max. Also with an accumulator you shouldn't be worried about flooding. Go ahead and shoot for 20 at the pump. 20-40 is generally considered safe though. I would go 20 if u can though
  35. Replies
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    704

    Ok. So your generally mounting control outside...

    Ok. So your generally mounting control outside box and running probe in, rather than mounting control inside and running electrical in?
  36. Replies
    9
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    704

    Electronic temp control retrofits

    How is everyone going about retrofitting etc's to stuff like true reach in etc..... Drilling a hole through box to run probe then just silicone shut? Like the idea of carrying one for reach in...
  37. Replies
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    833

    And because it never satisfies on temp which...

    And because it never satisfies on temp which would cause coil to thaw out . If cant make temp it eventually freezes
  38. Replies
    23
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    1,288

    There spec sheet says designed to maintain a...

    There spec sheet says designed to maintain a 36-40 degree box temp. Seems like an a12-701 would be good
  39. Replies
    23
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    1,288

    Why would the a12 series not work? If they cut in...

    Why would the a12 series not work? If they cut in at 37 or 41 for the 701 , and then go down from there? If they shut off when the box gets to about 35 degrees box temp or a little lower even isn't...
  40. Maybe some 3 in 1's . Cold controls.

    Maybe some 3 in 1's . Cold controls.
  41. Replies
    9
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    627

    Yj hydraulic expander

    Just got a yj hydraulic tube expander today. Very nice tool. Can see really never needing a coupler up to 1 1/8 again. If anyone was wandering its very nice- recomended
  42. Replies
    23
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    1,288

    I always use the 701 myself haven't had an issue...

    I always use the 701 myself haven't had an issue yet
  43. Replies
    19
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    1,178

    See if it was "re piped" correctly with correct...

    See if it was "re piped" correctly with correct line sizes. Then tell them you have to evacuate ,changE drier and recharge in order to continue to work on it and diagnose.

    Lara sounds like...
  44. Replies
    18
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    1,286

    Copeland approves dye. I have used where you...

    Copeland approves dye. I have used where you can't possibly find a leak any other way. It works, you will find the leak. Why not be the guy who finds and fixes a leak several other company's/ techs...
  45. Replies
    133
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    5,823

    No mis direct, your just not getting it. On a...

    No mis direct, your just not getting it. On a walk in with reciever subcool is not the valuable info your trying to make it.

    On a resi ac unit with normal sh, a txv, and high subcool, it could...
  46. Replies
    133
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    5,823

    Of course you changed the senecio to an ac unit...

    Of course you changed the senecio to an ac unit though.... On a walk in i agree with others. Would not be checking subcooling to determine charge.i would check clear sight glass, evap superheat, head...
  47. Replies
    133
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    5,823

    Check superheat and subcooling on an ac unit.feel...

    Check superheat and subcooling on an ac unit.feel if suction line is cold....
  48. Replies
    12
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    572

    Just did a brand new tdd dead on arrival. It was...

    Just did a brand new tdd dead on arrival. It was the accumulator. Pull the condensate drain line and stick your probe up in the evap drain. It will go off if leaks inside.
  49. Replies
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    2,765

    Been using the new yellow jacket and love it....

    Been using the new yellow jacket and love it. Leads you right to the leak very accurate
  50. Replies
    133
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    5,823

    If it holds pump down, or by weighing in charge...

    If it holds pump down, or by weighing in charge from scratch based on calculated receiver size and liquid line run, or torch reciever to find level,
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