Search:

Type: Posts; User: trippintl0

Page 1 of 15 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    12
    Views
    273

    Never dismiss the possibility that it never...

    Never dismiss the possibility that it never actually worked very well. You may be fighting a design issue rather than a component failure. It sounds like intermittently, system load is low enough...
  2. Replies
    41
    Views
    1,219

    Its a trick question. Better to purge - less...

    Its a trick question. Better to purge - less energy wasted running vacuum pump reduces carbon footprint. Next best option is anything below 20inHg.
  3. Replies
    41
    Views
    1,219

    Remember too I'm pretty sure an LAC-4 it's only...

    Remember too I'm pretty sure an LAC-4 it's only good up to 2.5hp. At 3hp you probably want the LAC-5. I could be wrong on that though. Last time I calculated it, it was borderline, and I always...
  4. Replies
    12
    Views
    273

    And I should clarify: I've added bigger fans to...

    And I should clarify: I've added bigger fans to OTHER brands units but never the Randell mullion coil evaporators. To compare, the Delfield mullion evaps used a 5.5" blade on each motor on old...
  5. Replies
    12
    Views
    273

    I just think the fan blades are so little they...

    I just think the fan blades are so little they don't move much air. Speed is ok. I don't really recommend modification, not sure there is room for bigger motor anyways. That would be a last resort.
  6. Replies
    12
    Views
    273

    Maybe the txv is flooding, but EPR slowing it...

    Maybe the txv is flooding, but EPR slowing it down enough and it is boiling out at the SST 15f.
  7. Replies
    12
    Views
    273

    Obviously you have confirmed proper fan motor...

    Obviously you have confirmed proper fan motor rotation and blade orientation, correct?

    You can still check and adjust superheat on an EPR multi circuit setup. Just a PITA because you need evap...
  8. If you're really looking for rapid pull down,...

    If you're really looking for rapid pull down, next time get the condensing unit with a receiver and put a TXV on it.

    Changing a condensing unit but not the cap tube is questionable.

    Drier...
  9. Replies
    34
    Views
    3,112

    Its all good I've done the same thing,...

    Its all good

    I've done the same thing, searching and reading through the archives, it'd easy to forget the age of thread and make a post! Especially on a topic I might be passionate about!! ...
  10. Replies
    34
    Views
    3,112

    Thread is over two years old. Yet I feel...

    Thread is over two years old.

    Yet I feel myself getting pulled in too![emoji12]

    The thread is on indoor self contained units. So headmasters doesn't really apply.

    Indoor units also...
  11. Replies
    24
    Views
    629

    Probably out of refrigerant.

    Probably out of refrigerant.
  12. Replies
    13
    Views
    1,059

    I hate black moisture indicators on sightglasses....

    I hate black moisture indicators on sightglasses. It's my pet peeve. Once I quoted a big job, which got approved. Part of quote was to replace sight glass due to burned moisture indicator. Well,...
  13. Replies
    7
    Views
    1,277

    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...
  14. Replies
    22
    Views
    1,099

    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,...
  15. Replies
    11
    Views
    701

    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.
  16. Replies
    22
    Views
    1,099

    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#...
  17. Replies
    23
    Views
    699

    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...
  18. Replies
    8
    Views
    510

    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...
  19. Replies
    24
    Views
    1,000

    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...
  20. Replies
    22
    Views
    902

    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...
  21. Replies
    24
    Views
    1,000

    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!
  22. Replies
    24
    Views
    1,000

    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...
  23. Thread: PTC issue

    by trippintl0
    Replies
    26
    Views
    1,532

    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...
  24. Replies
    29
    Views
    4,075

    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. ...
  25. Replies
    79
    Views
    8,171

    Ummm, you did check the txv strainer, correct?

    Ummm, you did check the txv strainer, correct?
  26. Replies
    79
    Views
    8,171

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

    I'm only 31, hope I have more than 9 years left
  27. Replies
    20
    Views
    2,087

    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...
  28. Replies
    28
    Views
    1,750

    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
  29. [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...
  30. Pictures would help.

    Pictures would help.
  31. Replies
    23
    Views
    1,401

    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...
  32. Replies
    69
    Views
    2,797

    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...
  33. Replies
    69
    Views
    2,797

    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...
  34. 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...
  35. Replies
    69
    Views
    2,797

    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...
  36. Replies
    9
    Views
    914

    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.
  37. Replies
    6
    Views
    2,322

    Thanks Mike and merry Christmas to you Sent...

    Thanks Mike and merry Christmas to you


    Sent from my iPhone using Tapatalk
  38. Replies
    6
    Views
    2,322

    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...
  39. Replies
    6
    Views
    2,322

    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...
  40. 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...
  41. 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...
  42. Replies
    20
    Views
    1,512

    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...
  43. 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.
  44. 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:
  45. 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...
  46. 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...
  47. Just wire contactor to shut off with defrost...

    Just wire contactor to shut off with defrost solenoid. Then charge it up.
  48. Replies
    32
    Views
    1,461

    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...
  49. Replies
    32
    Views
    1,461

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

    NICE i am going to use this line!
Results 1 to 50 of 737
Page 1 of 15 1 2 3 4

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Comfortech365 Virtual Event