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  1. Replies
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    Wouldn't even attempt it.:eek2:

    Wouldn't even attempt it.:eek2:
  2. Replies
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    We use a company here in AZ. but I think they are...

    We use a company here in AZ. but I think they are strictly AZ.
  3. Right on target!! The coil temperature sensing...

    Right on target!!

    The coil temperature sensing thermostat normally uses a "Constant cut in" that makes sure the evaporator coil has reached a temperature sufficient to clear any frost. I've seen...
  4. Replies
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    3,919

    LOL! I've got a brother that lives in Texas and I...

    LOL! I've got a brother that lives in Texas and I give him a ration because, with us being in Arizona, he is east of us.
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    Man, you easterners have all the answers!! J/K!!

    Man, you easterners have all the answers!! J/K!!
  6. Replies
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    This is a job to either do safely and correctly...

    This is a job to either do safely and correctly or walk away from, IMHO!
  7. Replies
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    1,468

    I'm working on a set up now that I think will...

    I'm working on a set up now that I think will work. I've got a 30 barrel will have a dip tube in one "Bung" with a quick connect for a hose that I put together.In the other smaller bung, a connection...
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    1,274

    We remove excess oil through the service port of...

    We remove excess oil through the service port of the oil reservoir after the oil separator.

    Normally, from what I see, there are oil return problems and "technicians" add oil here and there.
    ...
  9. Replies
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    1,477

    Are there a lot of people in and out all the...

    Are there a lot of people in and out all the time?

    With the current info it does sound over sized but without the actual load calculations that's just a guess.

    Sounds like the unit is not...
  10. Valid points. I was just speaking of what is...

    Valid points. I was just speaking of what is happening to the hourly rate.

    The hours can be tough in the summer but a qualified supermarket tech will never be out of work.
  11. I work in supermarket refrigeration and have for...

    I work in supermarket refrigeration and have for many years.

    We have a serious shortage of qualified technicians.

    It is becoming supply and Demand.

    $$ discussion is not allowed but I think,...
  12. If a reversing valve was leaking by it would have...

    If a reversing valve was leaking by it would have a definite detrimental affect on the cooling capabilities of the unit BUT the only way to diagnose such a problem is for a qualified technician to...
  13. What is your superheat at the coil. Your suction...

    What is your superheat at the coil. Your suction temp seems high to me but ?????????
  14. Wow, I'd love to do this in the Keys. Worked in...

    Wow, I'd love to do this in the Keys. Worked in Miami for years for Teak Refrigeration. Made the mistake of moving to AZ and buying a house!!

    Hope you find someone, we have a heck of a time...
  15. Replies
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    Thank you for your service to our country. ...

    Thank you for your service to our country.

    Yes, at times it is all relative!!
  16. Replies
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    Not a doubt!! Worked in S.E. Florida for many...

    Not a doubt!! Worked in S.E. Florida for many years. 90*F and 90% humidity. Ugly to work in!!
  17. Thread: microns

    by market-tech
    Replies
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    1,336

    We also use the 500 micron level as a benchmark.

    We also use the 500 micron level as a benchmark.
  18. Replies
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    Doing supermarkets in Tucson, AZ. Was just a...

    Doing supermarkets in Tucson, AZ.

    Was just a balmy 110 here yesterday!!
  19. Thread: TXV vs EPR

    by market-tech
    Replies
    0
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    344

    TXV vs EPR

    Trying to help with the understanding of the function of 2 different components.

    Hope these links help.

    ...
  20. Replies
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    645

    Yea, that's all I've used for years so that was...

    Yea, that's all I've used for years so that was my line of thought~
  21. Looking at some of those temps, some seem high...

    Looking at some of those temps, some seem high for what we run on our stores, fresh meat cases in particular.
  22. Replies
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    645

    I don't see where there would be any difference...

    I don't see where there would be any difference in function.
  23. Replies
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    We've had a couple of condenser leaks

    We've had a couple of condenser leaks
  24. Replies
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    934

    Looks like the corrosion found on automobile...

    Looks like the corrosion found on automobile battery cables.

    I've not seen that type of corrosion on a contactor.

    Where is the equipment located?
  25. Need a Supermarket Technician in Tucson Az.

    How quick things change.

    One of my guys gave notice this morning.

    Supermarket experience required.

    Team Player

    We do "On Call"
  26. You beat me to it! Yep, first is a SH check....

    You beat me to it!

    Yep, first is a SH check. With that info the troubleshooting begins!
  27. Replies
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    2,634

    All valid points. Don't have the crane, flat beds...

    All valid points. Don't have the crane, flat beds to haul it around or storage yard etc.

    Too much work going on to deal with that stuff.

    By the time we rented all the necessary equipment, add...
  28. Replies
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    This i the one I use. Saves a lot of...

    This i the one I use. Saves a lot of headaches.:whistle:

    ...
  29. Replies
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    http://www.epa.gov/ozone/title6/609/technicians/60...

    http://www.epa.gov/ozone/title6/609/technicians/609certs.html

    Your best bet is to have a service tech make the diagnosis and repair.
  30. There could be a multitude of issues but without...

    There could be a multitude of issues but without the specifics it would be a wild guess as to what is happening.

    A couple of things that may help for starters are the model numbers of the...
  31. Replies
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    As someone else said, we make arrangements with...

    As someone else said, we make arrangements with the scrap man to come when stuff is being moved and drop it on his trailer.

    I'm not going to take my boss's time to scrap a unit for my benefit.
    ...
  32. Replies
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    Most times, with a circuit tracer, I can pin down...

    Most times, with a circuit tracer, I can pin down a breaker pretty quick.

    2nd option, disconnect at the nearest junction box, do the job and reconnect.

    3rd option, glove up and do what needs to...
  33. Replies
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    630

    Never ran in to a rat but we had a squirrel get...

    Never ran in to a rat but we had a squirrel get inside the main buss behind one of our grocery stores. Blew 2 800 amp 600V fuses and ruined the isolators. We found pieces of squirrel all over the...
  34. Replies
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    If that run time extrapolated held true it...

    If that run time extrapolated held true it probably would not help the humidity situation with a shorter run time.

    I still lean to an oversized condensing unit but without specific info I'm just...
  35. Replies
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    578

    Turn it off before there is serious damage. ...

    Turn it off before there is serious damage.

    As the above posters have stated, with limited info, probably low refrigerant charge & refrigerant leak.
  36. Replies
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    5,140

    I work supermarkets but if we have a walk in...

    I work supermarkets but if we have a walk in cooler consistently running 40*F we will be getting a service call.

    We range 35*F to 32*F, maybe a bit lower for meat WIC.
  37. Replies
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    Need further information. 300# R-22 today, 110*F...

    Need further information. 300# R-22 today, 110*F in Phoenix AZ, not excessive. What is your ambient temperature?

    Need ambient temp, super heat at each coil, BTU capacity of compressor at saturated...
  38. Replies
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    5,140

    Without any further information, I'm wondering if...

    Without any further information, I'm wondering if the condensing unit is not oversized. Pulls the temperature down fine but does not run long enough to remove the moisture.

    Cn you get some info on...
  39. Replies
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    I think on a 10 ton unit I'd follow the above...

    I think on a 10 ton unit I'd follow the above recommendations. Verify no leaks (500 micron vac and hold) and stay with R-22.
  40. Replies
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    Need more technical info before trying to give...

    Need more technical info before trying to give any real assistance.

    Could be a myriad of problems or as simple as a bad defrost clock/timer.
  41. Replies
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    681

    Not sure of all the technical but what is the...

    Not sure of all the technical but what is the return on investment?

    We don't put anything less than 5 HP and I really wonder if the ROI supports that decision.
  42. Unfortunately the pool of qualified technicians...

    Unfortunately the pool of qualified technicians is shrinking rapidly. Us old dinosaurs are leaving the trade faster than the younger replacements are coming in.

    We hired a person about 18 months...
  43. Replies
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    I was working in Miami many years ago and got a...

    I was working in Miami many years ago and got a call for a funeral home.

    "The walk in cooler is down"

    I come back on the radio "What does a funeral home need a walk, OH CRAP!!"

    Problem was...
  44. Replies
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    389

    We have had this problem in a lot of our stores....

    We have had this problem in a lot of our stores. Hussmann shipped our company a bunch of "warranty" doors to replace the ones as they failed.
  45. Replies
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    I would be real hesitant about putting that...

    I would be real hesitant about putting that compressor in an ice machine.

    Make sure to do your homework!!
  46. Replies
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    801

    On racks we warm the compressor crankcase with a...

    On racks we warm the compressor crankcase with a map gas or similar torch. It helps.
  47. Replies
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    1,156

    Awesome, my grandson just started his first real...

    Awesome, my grandson just started his first real job. Very excited about his position and a bit of freedom.
  48. I've been working in markets for better than 25...

    I've been working in markets for better than 25 years.

    Seen 80 to 90 hour weeks.

    Missed more of my daughter growing up than I care to remember.

    Missed my parents 50th wedding anniversary...
  49. Replies
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    We just had a similar situation on a pharmacy a/c...

    We just had a similar situation on a pharmacy a/c unit.

    Found "Y" t'stat wire chafed and making contact with EMT at times.

    Pulled new wire, problem went away.
  50. Replies
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    10,116

    Been doing supermarket refrigeration for many...

    Been doing supermarket refrigeration for many years.

    "On Call" goes with the territory. Knew an apprentice once that got out of the trade because he owned a boat and would not do "on call" on the...
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