DES Chiller Monthly EIR

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Needing some assistance on implementing a DES into a project; specifically CHW but could also apply to HW system. The DES operator has monthly efficiency data (COP) for the CHW System. The building is predominately occupied in the shoulder & winter period when the COP is higher; thus it could yield some significant savings verses a stand-alone Baseline plant. The issue is that I don't see a means to schedule Chiller on a monthly basis (or less for that matter if we had hourly data). I've done multiple jobs where an annual efficiency is calculated and a 'flat' curve is used to hold the a 'dummy' air cooled chiller's efficiency constant; but not a means to schedule monthly (or hourly, or weekly, etc)

Did look a means to use equipment controls and creating a "Jan Chiller", "Feb Chiller", etc. - but eQuest limit is 10 chillers on a loop.

Any ideas on how to implement within eQuest?

Mechanical Engineer, Energy Analyst

Henderson Engineers
8345 Lenexa Drive, Suite 300 | Lenexa, KS 66214
daric.adair at

Licensed in KS

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Joined: 2017-10-21
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