Hi users,
In general, For energy simulation, we modeling the tenant occupied spaces on an Office building (Commercial interior) by comparing our proposed case (project building )with our baseline case (ASHRAE 90.1) .
In this project we had a water cooled chiller as a builder scope. The project building only purchasing the chilled water from the builder side.
In this case , I go with an option of purchased chilled water means how do I consider the pumping, fan power and some related consumptions.
Please give me a suggestions to my query.
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5900 thumbs up
October 3, 2023 - 1:21 pm
This is covered in detail in the Reference Guide. There are two methods - if the project has similar occupancies throughout then you proportion the system by area; if the occupancies are dissimilar it gets a bit more involved but it is distributed based on the portion of the overall loads in your space.