CW and Fluid Coolers

4 posts / 0 new
Last post

I am modeling an Air cooled Chiller in an existing building and they want to add a fluid cooler so that when the temperature drops low enough they can just use the fluid cooler.

 

Does anyone know if eQuest can handle this?  If so, any pointers on how to activate the Fluid Cooler? 

 

We also want to run it in series instead of parallel.

ThermaDraft's picture
Offline
Joined: 2011-05-18
Reputation: 0

Yes, the easiest way to address this is to set up your chiller plant, then add a chiller to the water loop and select the type as "water-economizer". Set the type to water economizer and proceed with pumps etc

Per the help file, eQUEST only models this as an "All or nothing" economizer, which makes it very useless unfortunately in all but climate zones 5+

Bob's picture
Bob
Offline
eQUEST UserLEED AP BD+CTRACE 700 User
Joined: 2010-06-30
Reputation: 275

Well good thing I am in climate zone 5 :0)

So when I add a chiller to the loop as a water economizer, it lets me and then when I go to simulate the performance.  It stops halfway through and just crashes.

Any ideas?  This should be something simple but it seems that eQuest doesnt make things easy LOL

ThermaDraft's picture
Offline
Joined: 2011-05-18
Reputation: 0

Hi Bob,

After going through all the options, it has come to my attention that we really want a dry cooler not a fluid cooler.  We want to use fans to pull in the outside air when its below 40 degrees and use that to cool things before they reach the fluid cooler.

Can eQuest do this?

I appreciate your help.

Thanks,

Tab

ThermaDraft's picture
Offline
Joined: 2011-05-18
Reputation: 0