[Equest-users] how to model steam absorption chiller in eQUEST

Aaron 565520032 at qq.com
Tue May 13 01:59:18 PDT 2014


Hi John
 Thanks for you swift and useful help.
 One more question,  steam meter is not neccessary to add to the steam loop, is it?
  Thank you
  
                    Aaron Zhou
  

 

 ------------------ Original ------------------
  From:  "John Aulbach";<jra_sac at yahoo.com>;
 Date:  Mon, May 12, 2014 11:46 AM
 To:  "Aaron"<565520032 at qq.com>; "equest-users"<equest-users at lists.onebuilding.org>; 
 
 Subject:  Re: [Equest-users] how to model steam absorption chiller in eQUEST

 

  Aaron:
  
 Size the pump for the btus the chiller will require in hot water load, then set the pump kW to Zero. Pump will still work ,just not use any energy. You will need a steam boiler connected to the chiller, with probably a 100% efficiency. In that way, you are essentially firing the chiller with steam.
  
 John R. Aulbach, PE
 

    
From: Aaron <565520032 at qq.com>
To: equest-users <equest-users at lists.onebuilding.org> 
Sent: Sunday, May 11, 2014 8:33 PM
Subject: [Equest-users] how to model steam absorption chiller in eQUEST

 
  Hi guys
      I'm modelling a steam absorption chiller, but seems not easy. I've set the chiller as below.  I set heating source as Hot water loop, because seems steam is not available for absorption chiller.
     
  
 I set steam meter for steam source, 
 
  
 but error appears after running the model saying absorption chiller must have a pump for absorption steam loop as below.
 
 please, could anyone give some guide on this problem for me?
  
 thanks
  
                              Aaron
  
  
  
  
  


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