Search:

Type: Posts; User: trippintl0

Page 1 of 19 1 2 3 4

Search: Search took 0.03 seconds.

  1. Replies
    33
    Views
    740

    Loose plate, heavy dimples, lower than normal...

    Loose plate, heavy dimples, lower than normal suction, freezing up in area of loose plate, I'm right there with you UmmScott. The lack of maintenance, and undersized water line has allowed this...
  2. I've never worked on a larger freezer that cold,...

    I've never worked on a larger freezer that cold, but I just was going to throw in my thought about eliminating pump down: we have had scenarios where systems couldn't pump down. We wired the liquid...
  3. Replies
    49
    Views
    1,539

    Done it. As in, three times now. Braze access...

    Done it. As in, three times now. Braze access valve onto pigtail. Pull vacuum on the dome, charge nitrogen to pressure I want, pinch off, braze shut. Works great to convert a 170# headmaster to a...
  4. Replies
    49
    Views
    1,539

    I have seen same thing. My theory is the...

    I have seen same thing. My theory is the diaphragm of the dome of the headmaster gets weak. So it doesn't push as hard, resulting in system maintaining a lower head pressure. I have successfully...
  5. Replies
    49
    Views
    1,539

    ...And the key to the diagnosis is very very...

    ...And the key to the diagnosis is very very simple: is the system head pressure significantly higher than the stamped pressure rating on the valve?

    Example: valve stamped "180" yet head...
  6. Replies
    8
    Views
    523

    Although on the other hand... That txv almost...

    Although on the other hand...

    That txv almost certainly will have a strainer in the 1/4" inlet that can only be replaced by unbrazing. So if the strainer was an issue, it will still be an issue. ...
  7. That's amazing! Sent from my SAMSUNG-SM-G890A...

    That's amazing!

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  8. And True isn't the only one. Just worked on a...

    And True isn't the only one. Just worked on a Traulsen. If you recall, Traulsen used to buy Copeland condensing units, but a few years back they started building their own condensing units. I was...
  9. From my experience, most tech support guys don't...

    From my experience, most tech support guys don't talk about things like condenser splits, superheat, subcooling, or even saturation temps. They'll say "suction should be 12-17, period."

    I can't...
  10. What?? You didn't go back with an R410A scroll?!?...

    What?? You didn't go back with an R410A scroll?!?

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  11. Lol agreed. Sent from my SAMSUNG-SM-G890A...

    Lol agreed.

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  12. Ok forgive me for this sarcasm, but I'll be sure...

    Ok forgive me for this sarcasm, but I'll be sure to let True know that their new energy efficient unit can't work according to the decades of literature that Techman has, so they need to redesign...
  13. You are assuming a 25 td across condenser. ...

    You are assuming a 25 td across condenser. That's why I'm giving these examples. This really happened, and it seems WRONG but that's just the way it was. If you saw the (disclaimer I don't...
  14. About 100# head (r134a) on the two that I had...

    About 100# head (r134a) on the two that I had serviced. There are like 20 of these boxes, one on every cash register line. So out of curiosity I slid condensing units out of 3-4 others just to do...
  15. Ok maybe not literally 32f. But the ones I have...

    Ok maybe not literally 32f. But the ones I have serviced were in a 70f Kroger, and I was concerned the drier was cold to the touch, so I started going down the line, and every single one had a cold...
  16. EDIT sorry such a long rant As with most "rule...

    EDIT sorry such a long rant

    As with most "rule of thumb" tests, it is not a good solid diagnostic. Why? Because the rate at which pressure equalize is dependant upon several factors which vary...
  17. I ordered an MFA-6-1 online and it was waaaaay...

    I ordered an MFA-6-1 online and it was waaaaay too much. So big it was difficult to even light. Once lit, flame was huge and difficult to control. Had a 7/8 pipe glowing red hot in seconds.
    ...
  18. Thread: True T49f

    by trippintl0
    Replies
    4
    Views
    487

    And just gotta say, I vow to inform my next...

    And just gotta say, I vow to inform my next customer that their unit was "low on refrizzle"!! Love it!

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  19. Thread: True T49f

    by trippintl0
    Replies
    4
    Views
    487

    True reach in freezers, I've seen leaks on CPR...

    True reach in freezers, I've seen leaks on CPR valve most common, but I don't think they use them with tin cans.

    Seen cracked elbow at lineset underneath back wall penetration. Seen a brand...
  20. Replies
    33
    Views
    1,302

    Even heavy usage for that size box is showing...

    Even heavy usage for that size box is showing like 13k btu, not 24k. It's a perfect match condensing unit to evaporator, but probably overkill for the box size.

    Sent from my SAMSUNG-SM-G890A...
  21. Replies
    33
    Views
    1,302

    Just went back and reread from beginning. 17...

    Just went back and reread from beginning. 17 superheat at compressor is too low. 30 is the minimum Copeland wants, I'm pretty sure. /EDIT oops 20 is minimum at compressor!

    Regarding a mid way...
  22. Replies
    33
    Views
    1,302

    On a standard system with a modest vertical rise...

    On a standard system with a modest vertical rise I don't even see why an oil separator was installed, honestly.

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  23. Replies
    33
    Views
    1,302

    I also think the issue will be with oil separator...

    I also think the issue will be with oil separator or accumulator, or piping. But I'm curious of a few things...

    1. A 6hp with a 24k btu coil? On a fairly small box sounds drastically oversized....
  24. Replies
    50
    Views
    1,971

    I want pictures! Sent from my SAMSUNG-SM-G890A...

    I want pictures!

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  25. Replies
    15
    Views
    880

    Thanks for the compliment! Now if I could just...

    Thanks for the compliment! Now if I could just learn when to bite my tongue and shut up, i'd really be doing good!

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  26. Replies
    3
    Views
    508

    425 cut out, 295 cut in. Sent from my...

    425 cut out, 295 cut in.

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  27. Replies
    15
    Views
    880

    Take a pic and post it here. We'll know. But...

    Take a pic and post it here. We'll know.

    But generally speaking, Sporlan valves have interchangeable powerheads. If the last letter of the valve ends in "P" then it is an MOP type valve. ...
  28. Replies
    15
    Views
    880

    Also consider that in the middle of summer when...

    Also consider that in the middle of summer when it's hot outside, your system is going to be working even harder, which may result in even higher suction pressure, for longer than a minute.

    Also...
  29. Replies
    15
    Views
    880

    It really all depends on the system, too. For...

    It really all depends on the system, too. For example, I've seen a 9k btu evap on a 3hp. No possible way to overload that big condensing unit with that evaporator. And that's how I like to size...
  30. We need pictures! Sent from my...

    We need pictures!

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  31. Replies
    14
    Views
    1,205

    Oh I guess that last pic is the service loop in...

    Oh I guess that last pic is the service loop in soap water leaking! Good job finding the leak. Can only remember two times I found a leak in a service loop.

    Sent from my SAMSUNG-SM-G890A using...
  32. Replies
    14
    Views
    1,205

    More likely to be a leak in the evaporator. ...

    More likely to be a leak in the evaporator.

    Next time, pull a quick vacuum and weigh in a fresh charge. Then you wouldn't have been chasing your tail looking for a restriction, and could've...
  33. Replies
    24
    Views
    1,056

    I can't. And we aren't permitted to discuss...

    I can't. And we aren't permitted to discuss pricing in open forums.

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  34. Replies
    24
    Views
    1,056

    That's good. I like customers like that. You...

    That's good. I like customers like that. You should make sure to have some clause about no continual recharging of units with leaks. Because I could see that for example, on a walk in cooler...
  35. Replies
    24
    Views
    1,056

    Some customers only call when something is...

    Some customers only call when something is legitimately broken. Others call constantly about every little possible thing.

    Some customers take care of their equipment. Many abuse their...
  36. Replies
    14
    Views
    974

    Pressures look good, sounds like you did good job...

    Pressures look good, sounds like you did good job

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  37. Replies
    14
    Views
    974

    And you probably know this, but would be a good...

    And you probably know this, but would be a good idea to make sure the receiver is big enough to hold the charge, with a full charge. If not, put the solenoid closer to the evaps so you pick up a...
  38. Replies
    14
    Views
    974

    I believe I read somewhere that any system with...

    I believe I read somewhere that any system with over 6lbs total charge should pump down. So, yes, convert it. Use existing wires from stat to energize a solenoid on roof, that is probably easiest...
  39. Replies
    7
    Views
    611

    Based on the situation, I think they should be...

    Based on the situation, I think they should be paying your labor to bypass them. Why should you have to drive to each site and spend time to bypass a control? It doesn't matter that you discovered...
  40. Replies
    7
    Views
    611

    Probably they are trying to find any possible way...

    Probably they are trying to find any possible way to get energy usage below DOE standards. By cycling off frame heaters when the ambient temp is high enough, they save electricity. They probably...
  41. Replies
    16
    Views
    2,480

    http://hvac-talk.com/vbb/showthread.php?p=20858551...

    http://hvac-talk.com/vbb/showthread.php?p=20858551

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  42. Replies
    44
    Views
    2,431

    In that case, if compressor is bad, best bet is...

    In that case, if compressor is bad, best bet is to replace compressor, drier, and cap tube.

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  43. Replies
    44
    Views
    2,431

    What type of product is stored in this cooler? ...

    What type of product is stored in this cooler? If food, then the evaporator is probably rotten. If so, you would be better off buying a new refrigerator.


    Sent from my SAMSUNG-SM-G890A using...
  44. Replies
    5
    Views
    1,395

    Wow, that is freakin BAD! lol. I'm impressed it...

    Wow, that is freakin BAD! lol. I'm impressed it wasn't leaking

    Sent from my SAMSUNG-SM-G890A using Tapatalk
  45. Replies
    44
    Views
    2,431

    I am very fortunate to work at a pretty large...

    I am very fortunate to work at a pretty large company with a lot of really sharp techs, with service managers with 20+ years in the field, I usually just make a phone call to get technical back up...
  46. Replies
    14
    Views
    1,569

    Good point to bring up the relay! But I would...

    Good point to bring up the relay!

    But I would also point out that on numerous occasions, I've seen thermostat contacts stuck closed even when in "off" position. So, a thermostat turned "off" with...
  47. Replies
    14
    Views
    1,569

    Stop using the copper tube in the coil. Fold up...

    Stop using the copper tube in the coil. Fold up capillary and insert into discharge air (back) side of coil. I have gotten much more consistent temperatures this way. The copper tube in the coil...
  48. Thread: Tif zx1

    by trippintl0
    Replies
    2
    Views
    731

    Have you tried contacting TIF?

    Have you tried contacting TIF?
  49. Replies
    23
    Views
    2,748

    Interesting. We only use hard drawn ACR copper,...

    Interesting. We only use hard drawn ACR copper, and I heat it up good and hot then cool it off before bending. Maybe that's a better copper and that's why it doesn't ripple.
  50. Replies
    23
    Views
    2,748

    Usually not. But it's happened before,...

    Usually not. But it's happened before, especially if I try to go one click over 90. Oiling helps too. I have the $110 offbrand set from EBay with metal dies and reverse bender attachment.
Results 1 to 50 of 945
Page 1 of 19 1 2 3 4

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Comfortech 365