VAV unit technical details please (chiller circuit and boiler circuit)?

can anyone help me with what is going on between the chimney - boiler - fan room and the cooling tower - chilled water plant - fan room? WARM water runs from the unit in the fan room (what’s it called?!) to the chilled water plant? the chilled water plant sends it to the cooling tower where water is sprayed on it (basically?) then the water returns to the chilled water plant and it is chilled? then it goes to the unit in the fan room and when air blows across the coils there it is cooled? then for the circuit at the boiler it is hot water or steam that is heated up and sent to the fan room? air is blown over hot coils in that unit? then it is sent back as cooler air which exhausts out the chimney? or what?

Rebekka O'Melia December 06, 2020 14:03

The tank/cooling tower is where the excess heat from the A/C system is sunk.

The rest of the stuff I commented on in Facebook.

Jonathan Chertok December 06, 2020 14:14

hi rebekka, i didn’t see your comments apparently. maybe someone else here can answer. also does anyone know out of curiosity if they spray water on the hot coils?

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VAV unit technical details please (chiller circuit and boiler circuit)?

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