[EnergyPlus_Support] Humidity Control

["civilnug" <civilnug@xxxxxxxxx>]

Hi All,

I have a single zone single duct : constant volume : reheat system, 
with a cooling coil, followed by a fan, followed by a humidifier on 
the air loop and a reheat coil just before the zone. In winter the 
temperature and RH are at their set levels but in the summer the RH 
levels are too high. (I need the RH to be 50% +/- 5% year round as the 
zone is a gallery storage area). I have SET POINT MANAGER:SINGLE ZONE 
MAX HUM with the control node set to the fan outlet and SET POINT 
MANAGER:SINGLE ZONE MIN HUM with the control node set to the 
humidifier outlet. I also have SINGLE ZONE COOLING with the control 
node set to the fan outlet node.

I was wondering could it be a clash of control nodes causing the 
problem or is it something else entirely.

Thanks,
John.






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