Search:

Type: Posts; User: copperteeth

Page 1 of 4 1 2 3 4

Search: Search took 0.01 seconds.

  1. Well, i got a job with the company i wanted to...

    Well, i got a job with the company i wanted to start with back 4 years ago. Kept calling, eventually he brought me in for an interview. I started the following monday. 6 months later i got registered...
  2. Replies
    15
    Views
    1,492

    so this is a new thing in the last few years,...

    so this is a new thing in the last few years, whew lol. I was sweating for a few minutes. One of the old cold water pipes in my house is black but there is no black powder coming off it. I thought...
  3. Replies
    15
    Views
    1,492

    Can someone explain to me why this happens and...

    Can someone explain to me why this happens and what it actually does to the copper? Does it actually cause leaks in the evaporators?
  4. Trying to wrap my head around evaporator TD for different applications

    I understand what TD is (at least i hope i do) that being the difference in temperature between the SST and the supply air entering the evaporator.

    Medium temp - typical 15* TD
    Low temp - Typical...
  5. Replies
    7
    Views
    331

    There is a restaurant chain we do work for that...

    There is a restaurant chain we do work for that has the same requirements for food safety. Its not a bad thing, food keeps fresh longer however it wrecks havoc when your trying to balance the system....
  6. Replies
    1
    Views
    286

    DryR - What is it? What does it do?

    Seen some product called DryR on the shelf with the superseal. Guy at the counter claimed it somehow neutralizes moisture in the system so that the filter drier can better absorb all of it. Snake oil...
  7. I have wanted to do this before. Does the suction...

    I have wanted to do this before. Does the suction port going to the compressor have to dip down and back up with a little hole at the bottom of the bend for oil return or am i over thinking this?
  8. Thermostat for domestic fridge reccomendations

    Mother in law called last night. Thermostat sounds pooched from the description she gave me. Compressor wont shut off even if she sets the temperature dial to the off position and its freezing the...
  9. Thats exactly why i went for it. I have read too...

    Thats exactly why i went for it. I have read too many stories about how the H10 is simply the best and lately i have spent too much time on too many calls looking for small leaks. I just want to find...
  10. First hand experience: Detek Select vs H10 PRO

    Every truck at our company gets a leak detector paid for on the company account. Half the guys are using the Accuprobe II, other half uses the Dtek select, me included. Loved the Dtek, used it for a...
  11. Replies
    6
    Views
    543

    i think they changed there name to edenox a...

    i think they changed there name to edenox a little while ago according to the website but there is no mention of refrigeration products on there webpage. I had the same problem, could not find any...
  12. its a regular horizontal evap. Hard to remove....

    its a regular horizontal evap. Hard to remove. Brushed what i could off with a paintbrush, vacuumed then blew it out in reverse with compressed CO2. Passed the flashlight test afterwards.

    I have a...
  13. lol nope. Ill text him tonight to take a picture...

    lol nope. Ill text him tonight to take a picture for me.
  14. House not cooling, possible airflow issues?

    First off, I have never had to calculate airflow as i have never sized a system. I primarily do refrigeration so HVAC is not my forte. Please forgive me.

    Friend bought a new house, first time home...
  15. Replies
    24
    Views
    1,034

    probably a 240v sleeve unit, yes.

    probably a 240v sleeve unit, yes.
  16. Replies
    24
    Views
    1,034

    Well i get the feeling i kept him as a customer,...

    Well i get the feeling i kept him as a customer, which is what i wanted, but im always nervous when it comes to explaining why i cant fix a problem especially when your still trying to establish a...
  17. Replies
    28
    Views
    1,478

    The oem cold control looks very simalar to an A12...

    The oem cold control looks very simalar to an A12 1506 with the end of the bulb coiled out of the box. Are you sure its a 41*F cut in?

    Makes sense what your saying about having the probe halfway...
  18. Replies
    28
    Views
    1,478

    I can also chime in on that one. Glad I'm not the...

    I can also chime in on that one. Glad I'm not the only one.

    Also, when you change the txv on the earlier models of those tables, change the solenoid. I have had the solenoid leak by on many of the...
  19. Replies
    24
    Views
    1,034

    Talked to customer this morning to find out how...

    Talked to customer this morning to find out how the system was performing. when he left at around 8pm the box was down to about 20*F, and i left the job site at about 3pm, so it is pulling down...
  20. Replies
    24
    Views
    1,034

    can you source your literature. Id like to have a...

    can you source your literature. Id like to have a copy for myself.
  21. Replies
    24
    Views
    1,034

    Thats a good point you made. Where im located its...

    Thats a good point you made. Where im located its not abnormal for temperatures to spike up to 95*F in the middle of July. Problem is if i dont fix it i might lose a customer.

    Maybe ill just quote...
  22. Replies
    24
    Views
    1,034

    Lol i dont care if you say it. Its not my...

    Lol i dont care if you say it. Its not my problem. I didnt install it. I just fix it lol

    Speaking of fixing it, do you think its worth it to put the condenser outside with a cover? I don't want to...
  23. Replies
    24
    Views
    1,034

    yes it is

    yes it is
  24. Replies
    24
    Views
    1,034

    Walk in freezer wont pull down.

    A good chunk of my day was wasted today working on this walk in freezer that im convinced is not sized correctly for the ambient conditions.

    Walk in freezer, system was used, installed at the end...
  25. Replies
    28
    Views
    1,478

    Ive never had any luck with the A12 700. I tried...

    Ive never had any luck with the A12 700. I tried using them for a short period and every one i used ended up being a callback (not on randell tables, just on fridges in general). I switched back to...
  26. Replies
    14
    Views
    638

    AQn update on my MO99 changeover: Changed the...

    AQn update on my MO99 changeover:

    Changed the TXV that was infinitely spinning and as a precaution i changed the other TXV that was not quoted to change due to the evaporator pan being very...
  27. Replies
    28
    Views
    1,478

    Someones worked on it. Those tables dont come...

    Someones worked on it. Those tables dont come with access ports installed from the factory and that doesnt look like the OEM TXV. Maybe it is, I cant remember. Btw those tables suck. A12 701 wont...
  28. Replies
    14
    Views
    638

    Im not arguing it doesn't work, its just poor...

    Im not arguing it doesn't work, its just poor practice to not change SOME of the oil to POE if not add on top.
  29. Replies
    14
    Views
    638

    Was this problematic TXV on a refrigerant...

    Was this problematic TXV on a refrigerant retrofit job? We didnt change to 407 because of the oil change required. I wanted to just dump the compressor and fill with equal amout POE but boss insisted...
  30. Replies
    14
    Views
    638

    its entirely possible i cranked it too hard with...

    its entirely possible i cranked it too hard with my service valve when i was trying to mid seat it. Unlikely, but possible.
  31. Replies
    14
    Views
    638

    The TXV stem that spins forever!

    I converted a multi evaporator system last week from R22 to MO99 with good success after finding and changing 3 leaking evaporators. TX valve changes were not in the quote and now im starting to...
  32. Your overlooking the fact of the design SST. If...

    Your overlooking the fact of the design SST. If your return suction gas was 65*F and your running a SST of about -20*F, your return gas superheat is way too high, your gas density coming back to the...
  33. Replies
    16
    Views
    1,035

    This is very true. 134a is a great refrigerant...

    This is very true. 134a is a great refrigerant for med temp remote walk ins so you could expect to see more of them, but nope, most of it is all 404a. Im not complaining at all, i mean having all the...
  34. Like PHM said, CPR is a crankcase pressure...

    Like PHM said, CPR is a crankcase pressure regulator. It prevents the compressor from running out of design spec by holding back suction gas to a level the compressor can safely handle. A mop valve,...
  35. Replies
    16
    Views
    1,035

    I have personally converted a handful of r12...

    I have personally converted a handful of r12 walk-ins to 134a. Pull down time from 70*F was marginally slower (at least in my head) but no problems maintaining. Your TXV will be slightly over sized...
  36. Does this system have a TXV with an MOP type...

    Does this system have a TXV with an MOP type charge or a CPR valve? Amperage sounds high but I would think its due to a higher ambient design temp and a higher than normal load. check the condenser...
  37. PHM I assume your talking about an a12 700....

    PHM

    I assume your talking about an a12 700. Tried using one before and I couldn't get the setting right, kept freezing the water bottle with the thermometer. ended up switching back to a12 701 as...
  38. done and done Ended up setting cut out at 30psi...

    done and done
    Ended up setting cut out at 30psi and cut in at 62 which puts my evaporator TD at around 25. What a piece of junk.

    The basement has 2 low temp condensers for 2 separate 8 door glass...
  39. Self contained. It's a piece of junk. Old r12...

    Self contained. It's a piece of junk. Old r12 case converted to 22 with a new condensing unit. They need a new one to be honest but you know how it goes.
  40. Suction is down to 33 psi. I'm trying to get it...

    Suction is down to 33 psi. I'm trying to get it to shut down when case is to temp. Td looks to be greater than 15 so the standard settings for a lp control aren't working. Almost down to temp.
  41. R22. I have it set to 38 out 62 in now

    R22. I have it set to 38 out 62 in now
  42. What would you set the lp control to?

    What would you set the lp control to?
  43. Gravity coil. I have no humidity probe to check...

    Gravity coil. I have no humidity probe to check ambiant. I'd say humidity is about 70 percent if I had to guess.
  44. Deli counter defrost time and frequency.

    On a job right now. Too much frost accumulation on the coils. Current defrost setup is once a day for an hour and I got another 12 hours to go before we reach defrost time. Putting a grasslin clock...
  45. Replies
    2
    Views
    294

    A12 cold control on txv true reach in

    At a job right now. True sandwich table. Someone converted it to a txv. Does this work with a cold control or am I better off using a lp switch.
  46. Replies
    23
    Views
    1,312

    Ive never done it but i have seen you post many...

    Ive never done it but i have seen you post many times that the 50/50 blend works for 407c. Id like to get more insight. How exactly are you going about charging your cocktail 407c. There was one case...
  47. Replies
    7
    Views
    724

    I cut the feeder tubes, liquid line, and the...

    I cut the feeder tubes, liquid line, and the equalizing line. When I cleaned it up and re brazed I used flux free silver brazing rod. Worked like a charm. Swaged everything and brazed it all back...
  48. Replies
    7
    Views
    724

    Ill see what the boss says in the morning. Hes...

    Ill see what the boss says in the morning. Hes probably going to agree. It wont take long to fix anyways.
  49. Replies
    7
    Views
    724

    Using Teflon on TX valves

    Had a service call today (Sunday, yay...) regarding a walkin that wasnt cooling. System low on gas. Found the leak at the brazed joint coming off the tx into the distributer. Really a piss poor...
  50. Replies
    8
    Views
    659

    So that's why it can be used to top up 134. Looks...

    So that's why it can be used to top up 134. Looks pretty solid to me.
Results 1 to 50 of 187
Page 1 of 4 1 2 3 4

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Quality Home Comfort Awards