[Equest-users] Chiller sequencing

Jones, Christopher Christopher.r.Jones at wspgroup.com
Fri Aug 21 05:49:17 PDT 2015

I suggest reviewing the DOE22 Manuals.  DOE33Vol3-Topics contains a detailed section on load management and equipment sequencing.

The manuals can be downloaded at http://doe2.com/download/doe-22/

Download the latest versions of the pdf files.

[cid:image003.png at 01D09C46.E75BA0D0]
Christopher Jones, P.Eng.
Senior Engineer

WSP Canada Inc.
2300 Yonge Street, Suite 2300
Toronto, ON M4P 1E4
T +1 416-644-4226
F +1 416-487-9766
C +1 416-697-0065


From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Sambhav Tiwari
Sent: Friday, August 21, 2015 6:12 AM
To: equest-users
Subject: [Equest-users] Chiller sequencing

Dear Equesters,

I have a building with 800TR load and 2 chillers of 400TR each . In actual design the chiller sequencing is in such way that

for 0 to 400TR chiller 1 will operate

for load between 400TR to 800TR  both chillers will run under 50% of total building load ie the building load is say 500TR so chillers wil operate like 250TR for each 1&2. not like 400TR for chiller 1 and 100TR for chiller 2.

How can i do such sequencing in equipment control.

I shall wait for your valuable response.

Sambhav Tiwari

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