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  1. #1
    Join Date
    Aug 2006
    Location
    southeast florida
    Posts
    87

    Walk-in cooler, everything was stolen

    We are an air conditioning contractor and a good customer of ours had the evap, lines, & condensing stolen off the walk in.
    I have very little experience with refrigeration.

    Specs:
    -6x8x8 room outside in south florida
    -use for beer and produce
    -looks pretty old
    -new door

    I was looking at the heatcraft quick guide.
    It says for avg use 5417 btuh or 7274 for heavy use.
    Does that sound right for a old cooler in 90-95* ambient temps?

    I would like to stick with R22 since we are familiar with it.
    Tecumseh has a line of r22 med temp outdoor condensing unit that will do from 4880 btuh-8890 @ a 25* evap.
    Would this be a good unit for the application?

    Thanks for your help.

  2. #2
    Join Date
    Sep 2008
    Location
    Cedar Rapids, IA
    Posts
    486
    Go w the heavy use or even a little larger. Your condensing temps are going to be high. You have an old box so infiltration and poor insulation are factors. And most important it is beer and beer must be kept COLD!

    Seriously though beer coolers are often run at temps below freezing. Beer can tolerate 25-28 degree box temps and customers like it that way. Oversizing a little lets the unit defrost on the off cycle which will help in your humidity, but I would still add a defrost timer to be safe. If they are keeping produce with the beer then your design evap will be about 25 degrees, but if beer alone or fresh meat figure 15 degrees. (10 less than the box temp.)

  3. #3
    Join Date
    Jan 2006
    Location
    Near Atlanta, GA.
    Posts
    14,493
    There's a few factors we don't know, like the R-value and condition of the box.

    My gut says go 1/2 ton above the larger unit you listed.

  4. #4
    Join Date
    Aug 2006
    Location
    southeast florida
    Posts
    87
    thanks for the input.

    tecumseh has a 1 hp r22 unit that will do 8600 btuh @ 20* evap
    so i could hit a 30* box, with a little oversizing for the old age of the cooler.

    refrgeration guys: does that sound good?

  5. #5
    Join Date
    Jan 2008
    Location
    NE FLA
    Posts
    64
    That box size in FL would normally be 3/4 hp. Go with the 1 hp (with accumulator) and defrost clock if none exists. Convert to 404 due to phase out of 22. .03c

  6. #6
    Join Date
    Nov 2005
    Location
    Haymarket VA
    Posts
    642
    Quote Originally Posted by REEFERMAN4U View Post
    That box size in FL would normally be 3/4 hp. Go with the 1 hp (with accumulator) and defrost clock if none exists. Convert to 404 due to phase out of 22. .03c
    1 HP R-404a good advise one more vote Make sure on txv

  7. #7

    Arrow

    Quote Originally Posted by REEFERMAN4U View Post
    That box size in FL would normally be 3/4 hp. Go with the 1 hp (with accumulator) and defrost clock if none exists. Convert to 404 due to phase out of 22. .03c
    UNLESS WE KNOW THE APPLICATIONS OF THE UNIT USES I WOULD SAY IT IS VERY HARD TO ADVICE.

  8. #8

    Post MEAT UNLOADER

    ANY ONE WHO KNOWS COMPANIES WHO SELL MACHINES TO UNLOAD MEAT AND GOODS FROM REFRIGERATE TRUCK INTO WALK IN DEEP FREEZER STANDS IN LEVEL LOWER THAN TH REFRIGERATED TRUCK

  9. #9
    Join Date
    Aug 2006
    Location
    southeast florida
    Posts
    87
    Quote Originally Posted by ABDULMJEED ALSH View Post
    ANY ONE WHO KNOWS COMPANIES WHO SELL MACHINES TO UNLOAD MEAT AND GOODS FROM REFRIGERATE TRUCK INTO WALK IN DEEP FREEZER STANDS IN LEVEL LOWER THAN TH REFRIGERATED TRUCK
    your caps lock key is stuck

  10. #10
    Join Date
    Nov 2005
    Location
    Haymarket VA
    Posts
    642
    Quote Originally Posted by ABDULMJEED ALSH View Post
    UNLESS WE KNOW THE APPLICATIONS OF THE UNIT USES I WOULD SAY IT IS VERY HARD TO ADVICE.

    use for beer and produce

    outside use so here #1 HP MED temp
    he said beer and produce

  11. #11
    Join Date
    Nov 2005
    Location
    Haymarket VA
    Posts
    642
    Quote Originally Posted by cvcsmkr View Post
    your caps lock key is stuck
    welcome to site

  12. #12
    Join Date
    Nov 2003
    Location
    Rochester, New York
    Posts
    392
    Quote Originally Posted by ABDULMJEED ALSH View Post
    ANY ONE WHO KNOWS COMPANIES WHO SELL MACHINES TO UNLOAD MEAT AND GOODS FROM REFRIGERATE TRUCK INTO WALK IN DEEP FREEZER STANDS IN LEVEL LOWER THAN TH REFRIGERATED TRUCK
    Thats how they type in India

  13. #13
    Join Date
    Dec 2002
    Location
    Tampa, Florida
    Posts
    706

    Check with the manufacturer

    I believe if you check with the manufacturer on their website, such as Bohn, sometimes they have load calculators that will size a box for particular geographical location. Bohn was just used as an example, I do not know if they offer that software on their website for download. I know other manufacturers do offer box sizing software for free to download.

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