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  1. Ice I do publix work on the westcoast and I have...

    Ice I do publix work on the westcoast and I have not seen what your describing in any of thier stores. They are currently purchursing selfcontained stand up cases that maintain three different temps...
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    r12 really what yer asking depends on...

    r12 really what yer asking depends on application, ive used many cutters. imperials as a general purpose cutter work well but the pin tends to work lose if you dont run them around the pipe backwards...
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    rich adds some great points to this conversation....

    rich adds some great points to this conversation. he is correct in questioning the txv sizing although im guessing that would cause txv huntimg more so then rapeing your rec lvl (just a guess on my...
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    one more thing in reguards to your subcooler...

    one more thing in reguards to your subcooler question i think ild be more concerned with what temp your liquid line is more so then the 10 degrees, if your in the ball park of 45 degrees ll temp ild...
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    typically im not use to seeing a subcooler on a...

    typically im not use to seeing a subcooler on a med temp rack, what i ussaully encounter is the low temp rack with a subcooler that is run from an adjacent med temp rack, with heat exchangers at the...
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    is there an equalizer line coming off the top of...

    is there an equalizer line coming off the top of your reciever into the inlet side of your condensor with a check valve allowing flow to move frome your reciever to your condesor? that will help...
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    you say your box has 8 evaps, is that one sys or...

    you say your box has 8 evaps, is that one sys or broken into 2 or 4 or 8 sys's, and how are your coils layed out?
    I would definitly add some sort of termination to it, be it a stat, a probe, or a...
  8. Thread: Deli case

    by gas-n-go
    Replies
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    926

    have you checked yer txv fer tonage or is that...

    have you checked yer txv fer tonage or is that the componet in question?
  9. just leave the door open and add lots of defrosts...

    just leave the door open and add lots of defrosts to it! lol! just kidding! its not a good idea to use a low temp sys for a medium temp application. find something desighned to do what you want and...
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    just wanna throw a monkeywrench into yer...

    just wanna throw a monkeywrench into yer thoughts. lets consider air reclaim in this secenerio if you live in a cold climate and yer using it for heating a building chances are in the winter months...
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    all kidding asisde i work on some self contained...

    all kidding asisde i work on some self contained units that do post ci n co on thier tags it is out there not common but is around
  12. meat cutters are the biggest crybabies of the...

    meat cutters are the biggest crybabies of the industry. they cry about a degree or two everyday. half the time thier case is right on target. i had one last week multideck running @ 28 so i lied n...
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    Im just wondering if anyone has an explination...

    Im just wondering if anyone has an explination why low temp SH range is lower then a med temp SH range? In my mind if we could dial in perfect SH settings we would want .10 of a degree of SH exiting...
  14. Thread: unloaders

    by gas-n-go
    Replies
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    856

    ty for your input shop. i dont really think the...

    ty for your input shop. i dont really think the unloader would cause that but im at a disadvantage by not understanding unloaders . i cant really accuratly diagnosis a system without understanding...
  15. Thread: unloaders

    by gas-n-go
    Replies
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    856

    lol yes thats a good point i did not think that...

    lol yes thats a good point i did not think that throughly, your absolutly correct about your stat keeping your comp on. ty for your explination that explained alot to me. the purpose of the unloader...
  16. Thread: unloaders

    by gas-n-go
    Replies
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    856

    ok first ok ty for your input. secondly if im...

    ok first ok ty for your input. secondly if im understanding you correctly basically what your doing by unloading is as your load decreasess your lessening your pump so your comp will run longer....
  17. Thread: unloaders

    by gas-n-go
    Replies
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    856

    i appologize for not being clear on details I...

    i appologize for not being clear on details I assumed everyone in this part of the forum was talking about A/C's. This is a Mcquay package unit on a roof with R22 in it. TY for help
  18. Thread: unloaders

    by gas-n-go
    Replies
    8
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    856

    could someone please tell me what the propper...

    could someone please tell me what the propper C.I. and C.O. is for an unloader on a 25 horse comp?

    also if it not to much trouble a brief explination of whats the purpose of the unloader. I...
  19. oops just reread your post R12 you were referring...

    oops just reread your post R12 you were referring to the sensing bulb not my temp probes, im assuming, that was checked for propper location nice n tight even got the lil expansion tit on the up side.
  20. once again ty all for your input ice im gonna...

    once again ty all for your input

    ice im gonna try your suggestion on my next visit there

    R12 i too agree with dave on that point about txv`s
    R12 just for clarification purposes both my probes...
  21. pecmsg thank you for your suggestions just to...

    pecmsg thank you for your suggestions just to fill you in further
    hill has been contacted fer spec sheet case, shelving has been angled to allow a better air curtain, and ac has been looked at, all...
  22. yup sorry cond air temp TD is 60 the 23 was...

    yup sorry cond air temp TD is 60 the 23 was something else sorry bout that
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    Ace have you considered installing low pressure...

    Ace have you considered installing low pressure controls on yer comp from them or is that what yer doing already in override mode? If the only purpose yer using them for is cycling why not go...
  24. Hi all, im hoping someone here can give me a...

    Hi all, im hoping someone here can give me a sound diaganosis along with an explination.
    This problem is with a multi deck, open front, self contained, deli case. I service many cases just...
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    3,340

    i agree with dave i dont know about the clock but...

    i agree with dave i dont know about the clock but one defrost a day should be more then enough for that case even once every two days is proballsy sufficent if your special clock will do that and if...
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    i dont know where your coil is located but i also...

    i dont know where your coil is located but i also use a heat gun for small coils in tight places, i use a hotwater hose for walkins, and for cases i plug up the drain and pour a 30 gal trash can full...
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    you guys are speaking in terms way over my head,...

    you guys are speaking in terms way over my head, but ild like to throw in my two cents for whats it worth. i dont believe you ever have a full colomon of liquid coming out of your condesnor. you all...
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    Does anyone know of an effective way of removing...

    Does anyone know of an effective way of removing wax from a system? Someone suggested I try some HH acid cores. Has anyone here ever used them for picking up wax, or know if its effective?
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    ty for bringing up an intresting topic r12. my...

    ty for bringing up an intresting topic r12. my oppion on the matter is as follows: i like to see a large shell liquid line filter at the manifold for the purposes of grabbing moisture, if its sized...
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    i recomend you keep it packed in dry ice

    i recomend you keep it packed in dry ice
  31. Thread: oil coolers

    by gas-n-go
    Replies
    1
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    622

    im curious what benefits does cooling your oil...

    im curious what benefits does cooling your oil provide? I recently came across a rack where the oil cooler has been bypassed and im wondering what negative effects this could potentially have on the...
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    it sounds like your fans are coming on too early...

    it sounds like your fans are coming on too early i iagree with icehouse look at your fan delay control if you got frozen water droplets on your ceiling thats a sighn of your fans coming on too soon....
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    i had a similar problem. scube sounds like he is...

    i had a similar problem. scube sounds like he is right on the money. scrolls dont handle running in a vacume it eats them up.
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    776

    i like using scotchlocks for temp probes in cases...

    i like using scotchlocks for temp probes in cases or boxes. no need to strip the wire and they are gelled filled so no need to silicone the wirenuts. they work great
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    a reliable way of finding a tricky leak is to...

    a reliable way of finding a tricky leak is to start cutting componets loose, braze them shut and pressurize them. then you can narrow down which parts of your system is loosing pressure, but doing it...
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    R12 Do yopu recomend glazed or sprinkled?

    R12 Do yopu recomend glazed or sprinkled?
  37. Thread: super heat

    by gas-n-go
    Replies
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    8,221

    i though superheat was just a fancy word we used...

    i though superheat was just a fancy word we used to double talk our customers and justify our outrageous bill and explain why the problem still isnt fixed i normally just tewll them that the valves...
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    im not sure if this will help you or not but we...

    im not sure if this will help you or not but we use a reclaim coil in order to maintain humidity in ac systems you could possibly do that, using heat from antoher system which is similiar to heat...
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    frozen your basically right! hp matters very...

    frozen your basically right! hp matters very little its the amps you got to look at the higher the amps the stronger your motor is. match your motors by thier amps not thier hp and you wont be...
  40. Thread: super heat

    by gas-n-go
    Replies
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    8,221

    i guess just making sure you got frost on your...

    i guess just making sure you got frost on your ubends and your not washing out any compressors isnt acceptable to you all. you all like to be scientific about it.
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    I am niether a tech or a mechanic, im a doctor....

    I am niether a tech or a mechanic, im a doctor.
    some people have brains, some systems have plc`s. people have hearts that pump blood we have compressors that pump refrigerant. people have a nervous...
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    oh yeah one other thing r12 the rack does use cpc...

    oh yeah one other thing r12 the rack does use cpc but what difference does that make????????
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    823

    yes r12 a holdback valve is kinda like a...

    yes r12 a holdback valve is kinda like a headmaster valve it holds back refrigerant, floods the condensor, maintains your head pressure. its installed between the return line and the reciever.
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    823

    i have a r22 low temp rack set up for hotgas...

    i have a r22 low temp rack set up for hotgas defrost using a liquid differental valve. this rack is set up with air reclaim but its primarly used for dehumidification and limited times for heat....
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    just curious exactly what is the purpose of hgbp?...

    just curious exactly what is the purpose of hgbp? ive never heard of it. it sounds to me like your sending a false load back to your comp. im assuming thats to keep your pressures flat lined and...
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    1:you said left side of case, is there a seam...

    1:you said left side of case, is there a seam there from another ajoining case or end panel that could be letting moisture in?
    2: your settings sound ok to me but you do need to confirm that...
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    r12 i think a better question to ask is who pays...

    r12 i think a better question to ask is who pays for a lack of tech training. bottom line is the more your techs know the more profitable they are to the customer a happy customer pays his bills a...
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    i want to paint a very common scenerio for you...

    i want to paint a very common scenerio for you all and see if anyone thinks the epa is taking a reasonable approach.


    you get a call for a glassdoor reach in icecream case. now the store people...
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    1,564

    im still waiting to have an acomplishment but...

    im still waiting to have an acomplishment but when i do you will be the first to know bout it i promise
  50. if your in alaska why are you bothering with...

    if your in alaska why are you bothering with refrigeration just hook up a stat to a motorized dampewr and fan and screw the vacume.
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