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Type: Posts; User: maxmejia

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  1. Replies
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    1,243

    arneg refrigerated cases help

    I have some arneg refrigerated cases (dairy, frozen food, combined horizontal+vertical, etc) and have trouble with the electrical/mechanical systems. Could anybody get me some electrical/mechanical...
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    2,734

    Change size

    You have to change the all insulation, once is wet is ruin. My advice, use 3/4" minimun", and remember to re-insulate if you used the one that is factory open and have special glue for is oK,...
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    2,678

    Danfoss TXV Vs. Alco TXV

    This is the second time that happen:
    1.- In small Walkin cooler - R134a (20F) first I installed a Danfoss TXV with MOP element (capacity, temperatura, etc.) and because it keep closing and staying...
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    1
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    933

    Danfoss TXV with MOP

    I am having trouble with those TXV. when they reach the MOP they close but stay close. I been trying to change the superheat and nothing happens.
    I know that if I change for sporland or Alco would...
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    1
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    606

    Ice hardening equipment

    I am looking for a refrigeration system por a ice cream hardening room.
    Evap. temp. -50F, Room temp. -40F.
    Need help finding the equipment (supplier). Condensing unit and evaporator unit blower...
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    608

    Thanks for your answer, but I believe is not my...

    Thanks for your answer, but I believe is not my solution. That valve is ok when I am goint to the equipment, but the water have to go back to the tower and I will need a pump to overcome the water...
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    4
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    608

    Thanks for your answer, I apologize for not...

    Thanks for your answer, I apologize for not respond quick enough, but I was traveling.
    This is the thing, usually in the first and second floor the water pressure is over the regular used and it...
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    4
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    608

    High water pressure

    I have a problem with a cooling tower air conditioning system in a 12 store apartment building. Does anybody know how to control the high water pressure in the first and second level w/o using heat...
  9. I am almost sure that with that small commercial...

    I am almost sure that with that small commercial unit there is no way to use Hepa Filter. And the fan booster it just a "patch". Remember that Hepa will increase the pressure loss in time.
    I believe...
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    4,870

    Reverse phase

    Your are absolutely right about concerning oil. That's the only thing to fear about, those compressors the reciprocants and scroll (basically the last one are equiped w/reverse rotation disconecting...
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    446

    High water pressure

    In a 12 store apartment building with a cooling tower air conditioning systems:
    What is the best way to control the high water pressure in the first and second level w/o using heat plate exchange?
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    3
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    662

    Evaporator cooler

    1.- You have to find the proper ventilation rate, mean the CFM
    I believe the air changes must be between 3 and 10 min/change.
    So you have to take the all volumen/min air change.
    2.- When you have...
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    671

    Pressure Differential Valve

    I need to find out, what is the best pressure differential setting for a Main Liquid Pressure Differential Valve in a rack, either kool gas or hot gas defrost?
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    4
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    604

    paragon defrost timer

    I need to know where can I get technical info about the subject. Not for single one, just for rack one.
  15. Thread: Pipe sizing?

    by maxmejia
    Replies
    2
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    611

    piping

    In Ashrae Handbook Refrigeration, Chapter 2 is all the info you need.
  16. Replies
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    4,353

    Definitely you have a restriction. Clean the...

    Definitely you have a restriction. Clean the strainer in TXV. I am taking that evap. is size right.
  17. Thread: Ammonia

    by maxmejia
    Replies
    15
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    2,096

    Mike is absolutely right go for. Just one more...

    Mike is absolutely right go for. Just one more thing to take in consideration. Ammonia System are more reliable working with, and because people are afraid of you should have less competition in that...
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    3,489

    turboshed oil separator

    Thanks dirtyboy103 you are absolutely right. That's was a beginer question trying to know what kind o forum is this, to tell you the truth I didn't like the aproach. But now I Know.
    Not hard...
  19. Did you check the amount of water, if is not a...

    Did you check the amount of water, if is not a therm. problem, I am almost sure that the water flow change and is really dangerouz.
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    3,489

    condensedDave - Thanks you are like remax.

    condensedDave - Thanks you are like remax.
  21. Replies
    26
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    3,489

    I am so amazed about some answers, I ask not...

    I am so amazed about some answers, I ask not becouse I have not idea what is my business. We are so diferent about other class like doctors (if you are referal to other doctor, the new one doesn't...
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    26
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    3,489

    I have a new Hussman Racks, I need to fill the...

    I have a new Hussman Racks, I need to fill the oil separator installed. Which is the better method?
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