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  1. #1
    Join Date
    Jun 2017
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    100% fresh heating and cooling calculation?

    I am trying to find the cooling(TR) and heating (KW) for a fresh air unit supplying 100% fresh air to multiple rooms in the same floor.
    I have calculated the room loads in normal way and i am using the same dehumidified CFM as the required fresh air quantity to different rooms, is it okey? Total de-hum cfm for rooms is 955 cfm and i want use a single customized tfa unit of 955 cfm for supplying to different rooms. I need to find the TR and Heating KW for the unit.
    Conditions are:
    Please guide me in the calculation.

    DB RH WB gr/lb
    Room condition (summer) 75 50 61.72 64.61
    Room condition (winter) 70 45 57.01 48.3
    Ambient condition(summer) 98.6 60 85.86 168.2
    Ambient condition(winter) 44.6 45 35.82 19.46
    Last edited by kishore joseph; 29-06-2017 at 01:20 PM.

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