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  1. #1

    best separation between evaporator return side and walk-in wall

    I`ve trying to find a rule of thumb in regards to the best separation (distance) between the return side of a forced air type evaporator and the walk-in freezer wall, so that an efficient air flow is achieved. So far I haven`t been able to get one, but someone told me that the proper distance is about half of the evaporator total width. Does this rule make any sense to you ? Thank you for your responses.

  2. #2
    Join Date
    Jul 2000
    Location
    Guayaquil EC
    Posts
    10,370
    It depends on what type of evaporator coil (unit cooler) you have and what its manufacturer recommends.

    Here's the Heatcraft Unit Cooler I&O Manual (See p.3): http://www.heatcraftrpd.com/products...&O/H-IM-UC.pdf

  3. #3
    Thank you icemeister. I think that my friend`s rule comes from this manual.

  4. #4
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
    Manufacture spec. I never go less then 18" though. Coil has to be cleaned and I put temp control on back, out of sight out of mind, and I can't focus on anything closer then 4" from my eyes anymore.

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