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[EnergyPlus_Support] question about Economizer





Dear e+ users.
 
I want to apply the economizer in the VAV system(AHU) like following.
 
Economizer Type FixedDryBulb
Economizer Lockout NoLockout
Economizer Upper Temperature Limit 23
Economizer Lower Temperature Limit
Economizer Upper Enthalpy Limit  
 
In this case, when the outdoor air temperature is lower than 23C, does the system set the outdoor air flow rate over the minimum value even in heating(winter season)??
 
Then, If I the value like following,  
 

Economizer Type

FixedDryBulb
Economizer Lockout NoLockout
Economizer Upper Temperature Limit 23
Economizer Lower Temperature Limit 18
Economizer Upper Enthalpy Limit  
 
How much the system set the outdoor air flow rate and how is the flow rate decided when the outdoor temperature is between 18C and 23C??
(Minimum Limit Type is FixedMinimum.)
 
 
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