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[TRNSYS-users] Type56 Latent Load, NType10



In my Heating Type Manager under Humidification, I’ve set the desired rel. humidity (RH) to an Input that lets the RH float up to 100% during off-hours (for the moment, ignoring the prospects of condensation on building surfaces) and only be brought down to 60% during business-hours.  I have the Ntype10 plotted and I’m a bit confused why I’m getting a dehumidication load when I’ve allowed the RH to float up to 100%.  By my Input definition for the Humidification, I have “-40*[Vent] +100” %.  When the [Vent] is off (control signal is 0), RH reverts to 100%.  Doesn’t this effectively turn off the Humidification when the vent is off, resulting in a zero latent load?  In the documentation, a load of positive value is dehumidification and negative value is humidification.  I interpret this to mean the dehumidification energy required to maintain the RH setpoint under Humidification in the Heat Type Manager.

 

Can someone please clarify how the Humidification and Ntype10 relate to one another, if at all?

 

Thanks in advance.

 

Sincerely,

 

Kent Beason

Schlitterbahn Development Group

830-609-8904 m

830-608-8040 f