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  1. #1
    Join Date
    Mar 2017
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    DIVERSITY FACTOR SELECTION FOR CHILLER

    Hai,

    I am designing for the 25 floor residential building. I am getting total load for the building as 1450 Tr. But my consultant telling that we can go for a diversity factor of 20% so the chiller load has reduced to 1160 Tr. But inside the total load of FCU's are coming 1450 Tr itself. How the chiller can give the chilled water to the FCU's ? If I am going to do the water balancing how I can balance water flow at full load if the chiller is not supplying GPM equal to the total fan coil unit load.

  2. #2
    Join Date
    Aug 2006
    Location
    Mixing oil and fire with a big spoon.
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    6,617
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    Diversity Factor states that you will not have every unit at full load at the exact same time on any given day. Some parts of the building will have a solar load and some will not. Some parts will have all of their internal loads and some will not. I don’t know if 20% is a good number for your facility or not.
    "Right" is not the same as "Wise".

    Don't step on my favorite part of the Constitution just to point out your favorite part.

  3. #3
    Join Date
    Feb 2016
    Location
    Louisburg Kansas
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    2,932
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    This was posted before and the comments are gone. The design will not work!!
    No man can be both ignorant and free.
    Thomas Jefferson

  4. #4
    Join Date
    Mar 2008
    Location
    kansas
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    1,235
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    Quote Originally Posted by WAYNE3298 View Post
    This was posted before and the comments are gone. The design will not work!!
    The op started a thread in tech to tech residential as well the comments are over there
    Honeywell you can buy better but you cant pay more

    I told my wife when i die to sell my fishing stuff for what its worth not what i told her i paid for it

  5. #5
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    21,384
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    Quote Originally Posted by shinozahmed View Post
    Hai,

    I am designing for the 25 floor residential building. I am getting total load for the building as 1450 Tr. But my consultant telling that we can go for a diversity factor of 20% so the chiller load has reduced to 1160 Tr. But inside the total load of FCU's are coming 1450 Tr itself. How the chiller can give the chilled water to the FCU's ? If I am going to do the water balancing how I can balance water flow at full load if the chiller is not supplying GPM equal to the total fan coil unit load.
    Order
    Read
    and
    Understand

    HONEYWELL ENGINEERING MANUAL of AUTOMATIC CONTROL for COMMERCIAL BUILDINGS
    https://customer.honeywell.com/resou...s/77-E1100.pdf


    Then get back to us!

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