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Type: Posts; User: trippintl0

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  1. Replies
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    Well,,, I was always taught that the breaker is...

    Well,,, I was always taught that the breaker is the primary safety device. If the disconnect happens to have fuses as well, they should be a higher amperage than the breaker. It would suck to keep...
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    Well yeah you're right, I have replaced some...

    Well yeah you're right, I have replaced some without needing adjustment, but I check at least! You're right on ice machines. Reachins, especially like heatcraft coils with field installed txvs,...
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    376

    For a cooler usually more like 1 ton coil gets a...

    For a cooler usually more like 1 ton coil gets a 1.5hp. 3/4 ton usually gets a 1hp.
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    725

    I have. Not on one that was clipped. But we...

    I have.

    Not on one that was clipped. But we had a system that had been retrofitted to something else and wouldn't work right if head went below 225. So I clipped the tube for the 180#...
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    Discharge is quite low..... might have issues...

    Discharge is quite low..... might have issues with txv starving. I'd get that head pressure up around 200 with low ambient controls

    *edit just re-read where you bypassed fan cycle... sorry I...
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    392

    Most Scotsman don't have lower bearings. The...

    Most Scotsman don't have lower bearings. The gearbox IS the lower bearing. I've seen numerous failures on the gearbox bearings. In many instances, yes, you are better off replacing machine. A new...
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    Actually that's quite normal to use a pressure...

    Actually that's quite normal to use a pressure switch alone on anything under 1hp.

    I just gotta ask,,, how did you come up with 3 ton TXV on a 1/2hp system? Just for reference, on a standard...
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    I think it depends on equipment sizing whether...

    I think it depends on equipment sizing whether it's needed or not. I'd prefer not to have it if not needed.

    I've worked on some American Panel and other various mom-and-pop store units where they...
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    Ahh gotcha. The thing I'm more surprised about...

    Ahh gotcha. The thing I'm more surprised about than anything is that you were able to get a micron level vacuum on such an old coil!

    Good stuff!
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    Nice job making an inexpensive repair! I'm all...

    Nice job making an inexpensive repair!

    I'm all about hackery, :) but I just gotta say I would have liked to see brazed couplings instead of all the flare unions. Can you put the TXV back in the...
  11. Thread: PTC issue

    by trippintl0
    Replies
    26
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    1,282

    Thermomister, I've wired tons of small tecumseh...

    Thermomister, I've wired tons of small tecumseh compressors. Every one I've seen has start terminal on left, run on right, common on top. Your pic had start and run swapped. Maybe that's the...
  12. Replies
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    20# cutout is about a 23*f coil. That seems like...

    20# cutout is about a 23*f coil. That seems like a little high. If the box is already down to 34*f at that time then that concerns me. That would be where most units run once they cycle on at 40. ...
  13. Replies
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    5,781

    Ummm, you did check the txv strainer, correct?

    Ummm, you did check the txv strainer, correct?
  14. Replies
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    5,781

    I'm only 31, hope I have more than 9 years left

    I'm only 31, hope I have more than 9 years left
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    1,427

    If you ever look at equipment BTU charts to...

    If you ever look at equipment BTU charts to select new equipment, you'll see that the condensing unit BTU capacity changes rather drastically as the outdoor ambient rises. For example, say your box...
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    1,411

    If co2 won't blow it out, I get out the NuBrite...

    If co2 won't blow it out, I get out the NuBrite and water hose
  17. [emoji4] I think you are probably right, and...

    [emoji4] I think you are probably right, and that's a pretty intelligent diagnosis to think of when you aren't even there. Wish my company had more techs like you!

    It's funny, in the last two...
  18. Pictures would help.

    Pictures would help.
  19. Replies
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    Not sure if somebody already mentioned it or not,...

    Not sure if somebody already mentioned it or not, but the underlying issue with using a "ZP" powerhead on a W/I Cooler is the fact that it is a low-temp powerhead on a medium temp application. Using...
  20. Replies
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    2,536

    Almost all manufacturers will give you the cap...

    Almost all manufacturers will give you the cap tube specs that the unit was designed for if you call them.

    Alternatively you can use the cap tube sizing calculator online, just Google to find the...
  21. Replies
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    2,536

    Good job admitting your high side didn't push in...

    Good job admitting your high side didn't push in the valve core. If you changed the cap tube and still running in a vacuum, then most likely 1) you filled something with solder. Or 2) you...
  22. Was just rereading this and noticed you said that...

    Was just rereading this and noticed you said that when the EPR was set to 50 then the cold rails stopped working. I'm betting that the designer intended for all the cold rails to be on the main...
  23. Replies
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    2,536

    This just happened to me last week. I blew a...

    This just happened to me last week. I blew a hole in the copper line and filled it back in with silfoss... and I filled it 100% and sealed the line right before the drier. I was checking head...
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    I tried to convince my boss to let me pipe in...

    I tried to convince my boss to let me pipe in water lines with a water solenoid wired to the timer to deice a problematic unit, but he would have none of it. I still think it was a genius plan.
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    Thanks Mike and merry Christmas to you Sent...

    Thanks Mike and merry Christmas to you


    Sent from my iPhone using Tapatalk
  26. Replies
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    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...
  27. Replies
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    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...
  28. 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...
  29. 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...
  30. Replies
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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...
  31. 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.
  32. 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:
  33. 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...
  34. 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...
  35. Just wire contactor to shut off with defrost...

    Just wire contactor to shut off with defrost solenoid. Then charge it up.
  36. 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...
  37. Replies
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    1,353

    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...
  38. NICE i am going to use this line!

    NICE i am going to use this line!
  39. 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.
  40. media.townhall.com/townhall/reu/ha/2013/311/a57b18...

    media.townhall.com/townhall/reu/ha/2013/311/a57b18a5-155c-4a9a-8bc6-00f1d51ccf51.jpg
  41. 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.
  42. Good job!

    Good job!
  43. 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:
  44. 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...
  45. 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...
  46. COULD BE BAD MOTORS

    COULD BE BAD MOTORS
  47. Replies
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    1,249

    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...
  48. 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...
  49. Replies
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    2,847

    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!
  50. 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?
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