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  1. Replies
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    Normal Freezer Pressures

    I am working with Larkin walk in freezer.. I just wanted to know what are normal pressures for freezers. Its 404 refrigerant. I have worked on true reach in freezers and I was told my low side should...
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    This is what I did today.. Thanks guys!

    This is what I did today.. Thanks guys!
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    ok, very good, thanx KB... So on what terminals...

    ok, very good, thanx KB... So on what terminals should i put my evpa fans...
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    I have to get back to this issue again guys.. Its...

    I have to get back to this issue again guys.. Its just for learning purposes... Walk in is working okay. I have talked to one of our top techs and he has told me something like this.......

    I will...
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    walk in freezer set up

    I got little bit of side work guys... Yea I am thinking about doing it for myself one day but I just dont have enough experience to do comerical refrigeration..

    I never installed walk in freezer...
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    Thanks to all of you for help.. I am glad that I...

    Thanks to all of you for help.. I am glad that I found this website to learn about HVAC-R... Kink was located right after the reciever.. It was bend pretty bad.... Owner took copper pipe to show it...
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    kink.... LOL... Once I got to the place early...

    kink.... LOL... Once I got to the place early morning I put unit back and to see whats it doin...

    Same thing as I left it over the weekend.. Low pressure 15 high side 120... My reciver was hot so...
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    I have to agree with you on this one... I am just...

    I have to agree with you on this one... I am just talking to much.. Take care and good night.. I hope we all will get along and make this world better place :)
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    Glen, Thank God for America!!!!!!! But you are...

    Glen, Thank God for America!!!!!!! But you are not Getting MY POINT.. You see all muslims are different.. All christians are different.. All jews are different... Lets look at it this way I will try...
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    I just hope when I go bac there its not that kink...

    I just hope when I go bac there its not that kink LOL.. Now I am getting nerves... All I am thinking is what if I stay there all day and change headmaster, txvs, and new filter LOL SOMETHING IS BAD...
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    My solenoid is open.. I put my screw driver on it...

    My solenoid is open.. I put my screw driver on it and it does pull down.. This is one way i have been thought to check it... I also put this unit in defrost. When i do my solenoid closes and it goes...
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    I am very excited about this LOL... Yes, owner of...

    I am very excited about this LOL... Yes, owner of this store had somebody who came to look at it... They come there every week and change something... I was there on the weekend and did not want to...
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    Thank you for your support guys.... What about...

    Thank you for your support guys.... What about them txv screens or txv? Should I replace them because they have black color on them.... Reciver? Have you guys had every clogged condensor?...
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    Very good point akelesis. I have been practising...

    Very good point akelesis. I have been practising those techniques you just listed.This is giving me little bit more trouble than I expected...I dont think I looked into elecrtical problem... Thats...
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    Yes thats very true. I will take that advice... I...

    Yes thats very true. I will take that advice... I did go to comerical refrigeration section and put my post on there.. Thank you guys
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    jp, I didnt check superheat. Evap looks okay....

    jp, I didnt check superheat.

    Evap looks okay. Good air flow.. SO does condensor... I just dont get it why my head pressure is so low.. When i was there i felt the reciver. IT was hot but condersor...
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    Yes sir... Thats fair enough. I am sorry to all...

    Yes sir... Thats fair enough. I am sorry to all those if they did get offended by me.. I did cross the line, this is the HVAC forum...
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    name plate says r 22.. I didnt reach conluction...

    name plate says r 22.. I didnt reach conluction yet... I would like to hear you guys on this one.. its strange that when i charged this unit and got full sight glass my high side was only 120 psi...
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    Glen, All i am saying is that governemnts of the...

    Glen, All i am saying is that governemnts of the World are Bad Thank you very much.......... Taliban,Al qeda,usa government, syrian governemnt, etc... Geesh... STOP Attacking me.. To me they are all...
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    Thank you Some Dude.

    Thank you Some Dude.
  21. Replies
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    Possible restriction or bad compressor

    I dont want to be parts changer. I would like to get this the fist time I go back to this service call on monday.

    Call from Philips 66 Gas Station. Reason for call: Walk in cooler warm. I will try...
  22. Replies
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    I need some help with my service call I had today...

    I need some help with my service call I had today I dont care about you guys... All I wanted to say STOP saying whatever you want. I have the right to say my opinon too. NOw this thing about who is...
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    I have to agree. We must pay taxes of course. But...

    I have to agree. We must pay taxes of course. But where do they go? We dont have control of that.. Maybe I am confused. I am trying to stay on track here.. WE are talking about goverment. At leat I...
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    That dont do you any good my friend. This is the...

    That dont do you any good my friend. This is the way this government works. You can protest and write books about government but that wont change... Freedom and liberty? Why do I have to pay taxes?...
  25. Replies
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    There is somethings I want to say but I wont. I...

    There is somethings I want to say but I wont. I am here to learn about HVAC-R. I will just say thanks to God for this country where we can go to school and learn things. Since usa wont help nobody...
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    Glen, lets keep it frienldy here... We muslims...

    Glen, lets keep it frienldy here... We muslims came here because you bombed our contries, put dictarors who kills us. Stop fu*** saying WE, you are not USA GOVERNMENT you are little slave who works...
  27. I would not touch this! lol

    I would not touch this! lol
  28. Replies
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    No body wants to be friends with you.... You...

    No body wants to be friends with you.... You didnt do anything better then Al Quida ( I cant spell it right lol) or Taliban....

    Us government = Taliban... They want to control ppl and make them...
  29. Replies
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    Phase Loss, good info... Thats what what I found...

    Phase Loss, good info... Thats what what I found on this condensing unit... From simple question. Why my head pressure was flacuating. I learned a lot more...
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    ar_hvac_man, yes there is sight glass and I...

    ar_hvac_man, yes there is sight glass and I charged the unit until there was no bubbles. There is no indicator on sight glass.... Just one of them cheap ones that u can see liquid. My superheat was...
  31. Replies
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    Russ57, Very good post sir.. Thank you......

    Russ57,

    Very good post sir.. Thank you... Makes a lot of sense. I will do acid test and see what I got in that unit...
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    I was there on monday... We didnt get call back...

    I was there on monday... We didnt get call back so I think everything is okay. But I am still learning a lot here... I might look stupid and ask dumb questions but its worth it...
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    Yes it was txv in there with 2 evap coils..

    Yes it was txv in there with 2 evap coils..
  34. Replies
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    jpsmith1cm, u r right... I have been thought that...

    jpsmith1cm, u r right... I have been thought that rule when I did residential installs with old school guys who didnt care about super heat or sub cooling..If you suction line is cold and fan is...
  35. Replies
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    Coilcleaner, I didnt find leak... The man before...

    Coilcleaner, I didnt find leak... The man before me just rushed to get the job done and didnt even charged the unit right.... So I had to go back there and stay 5 hours and complete the job... Cooler...
  36. Replies
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    My superheat was 11..... A lot of times I use TP...

    My superheat was 11..... A lot of times I use TP chart when charging my system. I have been told to use the rule of 30+ abient temp.... I dont know if you guys use that when checking if your system...
  37. Replies
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    ar_hvac_man, Can you please list numbers of...

    ar_hvac_man, Can you please list numbers of reasons why head pressure would flactuate... I dont need anything else to know... You dont need details. List some of the reasons why would head pressure...
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    I will go back If we get a call back.... I did...

    I will go back If we get a call back.... I did check for leak with soap bubbles. Didnt find it at the compressor or anywhere at the condensor. Thanks for help GUYS... But I still need to know why...
  39. Replies
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    Walk in cooler was not cooling... When I came...

    Walk in cooler was not cooling... When I came there I found my pressures at 10 suction and 60 discharge. I put about 3lbs or R22 and my suction pressure was 50 and discharge was 145 and it would go...
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    non condensbales in refrigeration system

    Today I was working on walk in cooler... I put my guages on and found that my high side goes up and down... I was told that previous tech was here last week and he changed the compressor. I noticed...
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    interior walls of our house. Some ducts will be...

    interior walls of our house. Some ducts will be inside the wall between 2X4's.. There is already exsiting ducts there that were used, they were not insulated.
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    oval duct insulation

    If we are installing oval duct pipes though our walls, should they be insulated? If not why not and IF yes Why should we insulate them?
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    knave, thanks for that info man....

    knave, thanks for that info man....
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    Wayne Fields, my teacher from school. Once I was...

    Wayne Fields, my teacher from school. Once I was done with school he gave me his number and said to me '' If you ever run into something that you cant do give me a call''. He was good for hvac help...
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    Thats why I dont want kids man... Too much...

    Thats why I dont want kids man... Too much trouble...
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    Thanks guys.. I will defently try some of these...

    Thanks guys.. I will defently try some of these ways you guys told me about :)
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    Baycienda, that sounds the best way... But I have...

    Baycienda, that sounds the best way... But I have seen tech that do let the system run while they look for leaks while some of them say it will never work.....

    Patience is what I lack LOL
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    Do leak detactors find small leaks

    Should I use my leak detector when unit is running or when is off? Also I have been told that I should pressurize my unit with Nitrogen and refrigerant to find smaller leaks....

    What are some good...
  49. Yea I found the leak!!!... LOL. Thanks to all of...

    Yea I found the leak!!!... LOL. Thanks to all of you guys. Every Day I learn someting :)
  50. Replies
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    After one month... I had four weeks of traning...

    After one month... I had four weeks of traning with four different techs each week and then I was on my own after that.
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