[EnergyPlus_Support] Plant-condenser control problem

["olifpp" <olifpp@xxxxxxxxx>]

Hi all: I have a problem with the chillers control, we set up two 
chillers totally, and there are three operation schemes: 
scheme1: only the little chiller runs when the demand load is small;
 scheme2: the bigger one begins to run as the demand load becomes 
enough large;
scheme3: the little chiller and the bigger one run together when the 
demand load becomes more;
The problem is that how to set up the value in the COOLING LOAD 
RANGE BASED THE OPERATION?  What is meaning of the Load Range Lower 
Limit 1 and the Load Range Upper Limit 1 values?
1.	for scheme 1, is Load Range Lower Limit 1 is equal to zero? 
And is Load Range Upper Limit 1 equal to the nominal capacity of the 
little chiller?
2.	for scheme 2, is Load Range Lower Limit 1 equal to the 
nominal capacity of the little chiller? And the Load Range Upper 
Limit 1 equal to the nominal capacity of the bigger chiller?
3.	for scheme 3, is Load Range Lower Limit 1 equal to the 
nominal capacity of the bigger chiller? And the Load Range Upper 
Limit 1 equal to the sum of the bigger chiller nominal capacity and 
the little chiller nominal capacity?




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