Re: [EnergyPlus_Support] humidity ratio = -999

[Linda Lawrie <linda@xxxxxxxxxxxxxx>]

That's a default value -- I think there was something wrong
with this setpoint manager, but not sure this is  applicable. 
That is an initial set value and either is never reset or something is
off and that value is the fall back position.

At 07:22 AM 12/6/2013, fpasserini.tn@xxxxxxxxx wrote:


> In the output as "System
> Node Setpoint Humidity Ratio" I get -999 kgWater/kgDryAir
> (constantly) in all the nodes. What can be the reason of this error?
> There are AHUs for the dehumidification and I imposed 
>
> SetpointManager:MultiZone:Humidity:Maximum,
>     SM 0terra mag_uff_sud2,  !- Name
>     Air Loop 0terra mag_uff_sud2,  !- HVAC Air Loop
> Name
>    
> 0.005,                  
> !- Minimum Setpoint Humidity Ratio {kgWater/kgDryAir}
>    
> 0.012,                  
> !- Maximum Setpoint Humidity Ratio {kgWater/kgDryAir}
>     Air Loop 0terra mag_uff_sud2 AHU/1 Cooling Coil Air
> Outlet Node;  !- Setpoint Node or NodeList Name
>
> The values of "Site Outdoor Air Humidity Ratio Environment" are
> normal (between 0.006 and 0.019 kgWater/kgDryAir).

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