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  1. Thanks Mike and merry Christmas to you Sent...

    Thanks Mike and merry Christmas to you


    Sent from my iPhone using Tapatalk
  2. Honestly that'd be much preferred to let a real...

    Honestly that'd be much preferred to let a real plumber do the drain. My boss just said to so whatever it takes to fix it since we had just installed it and the drain was leaking, so I basically...
  3. It's not what you do, it's how you do it

    I take pride in my work even if it seems trivial.

    539021 plumbing a drain on an ice cream dip freezer scoop sink

    539031installed new door frame heater and custom aluminum treadplate threshold...
  4. Im not saying compressor is pumping...

    Im not saying compressor is pumping inefficiently. Rather, the scroll or internal bypass mechanism is weak. So if there is too much pressure differential from high to low side, it opens...
  5. I've seen scroll compressors do this where they...

    I've seen scroll compressors do this where they get weak and will internally bypass when suction gets too low and head gets too high. I think you are going to have to replace compressor.

    If it...
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    Genius. I also worked on one Hobart RIF single...

    Genius. I also worked on one Hobart RIF single door unit. Same cap tube specs. Same RS4? copeland compressor. Same 10psi after repair. I could find no other reason other than incorrectly sized...
  7. Home depot. Com has for sale right now $59.99...

    Home depot. Com has for sale right now $59.99 online only with free shipping. I just ordered one to replace my busted Veto LC.
  8. http://www.whitetrashpeople.com/wp-content/uploads...

    http://www.whitetrashpeople.com/wp-content/uploads/2009/09/red_neck_car.jpg

    sorry i couldn't resist :grin2:
  9. By deenergizing liquid line defrost solenoid AND...

    By deenergizing liquid line defrost solenoid AND contactor simultaneously, you still prevent pressures from equalizing during defrost without having to pump the whole charge into the receiver during...
  10. Installing a larger receiver is a good solution...

    Installing a larger receiver is a good solution IF you have enough physical room for it, and IF customer would rather spend hundreds and hundreds of dollars to do it right, when just rewiring it is...
  11. Just wire contactor to shut off with defrost...

    Just wire contactor to shut off with defrost solenoid. Then charge it up.
  12. Replies
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    Oh yeah, that suction service valve tho :eek: ...

    Oh yeah, that suction service valve tho :eek: might be a good preventative measure to go ahead and cut it out and hard pipe in. Just add a Schrader access valve somewhere. I mean you could...
  13. Replies
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    Wow. No kidding about the txv braze joints being...

    Wow. No kidding about the txv braze joints being bad!

    Looks really nice. It appears condenser is unnecessarily close to the wall which may make cleaning it difficult, that's the only thing I...
  14. NICE i am going to use this line!

    NICE i am going to use this line!
  15. Sorry just trying to be funny, no offense...

    Sorry just trying to be funny, no offense intended :) low suction is typically associated with low on charge or restriction.
  16. media.townhall.com/townhall/reu/ha/2013/311/a57b18...

    media.townhall.com/townhall/reu/ha/2013/311/a57b18a5-155c-4a9a-8bc6-00f1d51ccf51.jpg
  17. Replies
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    Maybe you're thinking Delfield and Manitowoc. ...

    Maybe you're thinking Delfield and Manitowoc. Manitowoc owns a lot of companies.
  18. Good job!

    Good job!
  19. I just worked on Traulsen passthru with 8 half...

    I just worked on Traulsen passthru with 8 half doors and it had a 1/2hp :shrug:
  20. Box may have been designed to run at 45*f being...

    Box may have been designed to run at 45*f being so old. Maybe that's why it only used a 1/3hp. I would have gone back with a 1/2hp preferably with receiver, and a TXV.

    The compressor you got is...
  21. Replies
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    Actually the manual calls for 45# suction with...

    Actually the manual calls for 45# suction with box at 35 degrees F. So it may not be - that - far off.

    Common issues I've seen on these models is poor airflow, wrong evap fan blade, the louvers...
  22. COULD BE BAD MOTORS

    COULD BE BAD MOTORS
  23. Replies
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    I don't work on supermarket racks. But on a few...

    I don't work on supermarket racks. But on a few parallel racks I've seen where you have a 10hp, then 15hp, then 20hp, it will short cycle a bigger compressor if the smallest compressor isn't...
  24. Replies
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    Sounds like txv working ok to me. Are all...

    Sounds like txv working ok to me. Are all circuits in the evaporator frosting or just a few? That could cause coil to partially freeze up.

    Assuming entire coil is feeding properly, the 2 to 10...
  25. Replies
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    Yes that makes sense. Sounds more like a...

    Yes that makes sense. Sounds more like a potential issue of slugging at start up rather than flooding while running. Makes sense, thanks for the clarification!
  26. Replies
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    Good point, never even crossed my mind. Might a...

    Good point, never even crossed my mind. Might a crankcase heater be beneficial in this scenario?
  27. Replies
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    Hmmmm... I don't think I would've done it like...

    Hmmmm... I don't think I would've done it like that, you always want liquid moving downhill through condenser... but I guess if it works, it works?
  28. Replies
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    AWESOME.

    AWESOME.
  29. Replies
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    Ice, your testimony gives me confidence to start...

    Ice, your testimony gives me confidence to start using the cap tube sizing program. Actually makes me want to double check a lot of manufacturers specs too!

    PHM: I agree with you 100 percent. ...
  30. Replies
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    txv... txv... txv... :) I love this kind of...

    txv... txv... txv... :) I love this kind of project, I envy you right now. But I'm worried, just visualizing in a week hearing you say "compressor too hot, too much superheat, had to shorten the...
  31. Replies
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    Every evaporator I've ever seen feeds into the...

    Every evaporator I've ever seen feeds into the inside layer, then the outside layer that the return air hits is piped to suction header.

    In addition, water cooled condensers are also piped cross...
  32. Replies
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    If there's one thing you REALLY need to do right,...

    If there's one thing you REALLY need to do right, it's sizing the cap tube. Guessing is not going to cut it. You could always just throw in a txv, too.
  33. Replies
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    When the ambient air is pulled in to the coil it...

    When the ambient air is pulled in to the coil it is at say 80*f. After passing through let's say it's at 100*f. So if the discharge gas is at 120*f then it can still transfer heat with 100*f air. ...
  34. Replies
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    Coldest air should hit coldest refrigerant. So...

    Coldest air should hit coldest refrigerant. So it should start with back coil, then run through front coil. That's how multi layer coils are usually piped
  35. Replies
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    I'd redo it so you feed the original coil first,...

    I'd redo it so you feed the original coil first, then out of that coil into the new front coil.

    Would be even better if you could put them side by side with fans on each.
  36. Replies
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    I can tell you what's going on, the tech made a...

    I can tell you what's going on, the tech made a good effort by replacing the condensing unit on an old Traulsen, but he failed by not converting it to TXV, and he should have also cut out hot gas...
  37. Replies
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    They're really pretty simple. If head pressure...

    They're really pretty simple. If head pressure is above setpoint on valve, it should not bypass hot gas into receiver. If head pressure is below setpoint then it should bypass.

    In your case...
  38. Replies
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    (hands customer $3500 invoice) yep yer fan motor...

    (hands customer $3500 invoice) yep yer fan motor went out, but don't worry you won't have to worry about that happ'nin e'er again. what happened to yer yard? oh well
  39. Replies
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    correct, in a previous post you also said it was...

    correct, in a previous post you also said it was a 6 ton unit, yet the evaporator models numbers makes it sound closer to 2 tons.
  40. Replies
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    If the evaporators have functioning electric...

    If the evaporators have functioning electric defrost, this ups your allowable run time to something like 20-22 hours a day, so that would be beneficial to get it working again.

    Keep in mind it may...
  41. Replies
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    Consider asking the employees (not manager they...

    Consider asking the employees (not manager they will deny) Has it EVER worked right?

    How big is this walkin? Consider that somebody replaced that condensing unit very recently..maybe others have...
  42. Replies
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    I think he's trying to stimulate your mind. In a...

    I think he's trying to stimulate your mind. In a system with a clear sightglass, adding refrigerant would only raise the level of liquid in the receiver and would not change pressures; that is,...
  43. Thread: True LAE

    by trippintl0
    Replies
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    647

    499421 Set FCM paramater to NON and the evap...

    499421

    Set FCM paramater to NON and the evap fan will always run even when compressor cycled off.
  44. Replies
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    Maybe the defrost timer is broken?

    Maybe the defrost timer is broken?
  45. Thread: True LAE

    by trippintl0
    Replies
    9
    Views
    647

    I have it, but I'll have to get it tomorrow and...

    I have it, but I'll have to get it tomorrow and reply back. There's two ways to do it. I got the info by emailing LAE and they gave me the full PDF for the controller. This has proven very...
  46. We have added water cooled condensers AFTER the...

    We have added water cooled condensers AFTER the air cooled condensers then back into receivers. This way, if air cooled condenser is capable of keeping head pressure below regulating valve setpoint,...
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    Snapper I think this is an EXCELLENT topic. By...

    Snapper I think this is an EXCELLENT topic. By putting a blade on backwards you are NOT reversing the direction of airflow, you are just severely REDUCING the airflow. There is a and a wrong way...
  48. Evap fan neutral is broken by fan delay Klixon. ...

    Evap fan neutral is broken by fan delay Klixon. Fan delay keeps fan off until coil is frozen. Sometimes fan delay fails open. More often, a refrigeration issue prevents the coil from getting cold...
  49. Replies
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    By the diagram, I see this is a walk in freezer. ...

    By the diagram, I see this is a walk in freezer. H3 is just a constant "hot" so that you will ALWAYS have 208v available for the drain line heater, whether in defrost or refrigeration. This is...
  50. Replies
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    Well I'm used to seeing them down to 0 within one...

    Well I'm used to seeing them down to 0 within one hour, but every box is different. Plus you have 90deg ambient which is crazy. So it's hard to say. I probably shouldn't have said anything about...
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