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DDC illustration edits

The Cooling Tower and Nuclear Ventilation and Non-Active Heat Exchanger illustrations have been improved.

Nuclear Ventilation illustration: The exhaust air duct damper (PP51) between the ISACI sub-basement and the target hall has been repositioned on the illustration to more closely represent its placement in the actual exhaust system.


Cooling Tower illustration:  1)The VFD "Fault"  indication that used to read "Fault - ON/OFF" has been removed because it was found to be confusing. If there is a cooling tower fault, a message in red lettering will appear to indicate the fault. 2) The Chiller 2 supply and return  lines have been removed from the illustration.


Non-Active Heat Exchanger illustration:  The heat exchanger's primary water lines are now labelled "From Cooling Tower".


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