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  • Users: Rayohray
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  1. Rayohray

    ROOM ACH RATES, VAV

    ASHRAE 170-2008 (medical facility) requires exam rooms to have an ach rate of 6.0 minimum. With VAV system the VAVs will adjust damper position and CFM by temp, and load. Does the ASHRAE standards declare that the minimum amount ACH in each exam room be no less than 6.0 at all times? Also, are...
  2. Rayohray

    VAV ReHeat

    I have a AHU with no hot water coil and 6ea ducts coming off of the ahu with 6 individual vavs with HW heating coils. I have a room that's cold. I have never heard of an ahu with our heating coil. The AHU is providing 44-49 F currently, and the heating coil providing 70-72 F. The room is about...

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