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Re: [EnergyPlus_Support] ZoneHVAC:ForcedAir:UserDefined





The man to ask is Brent, but I don't think he's with the e+ team anymore.
brent.griffith@xxxxxxxx
Is the last email contact I have from him. I've not used any of the "custom" objects and you'll most likely have to ask the helpdesk support. This is a very advanced topic.

Mit freundlichen GrüÃ?en- Sent from my iPhone (excuse the brevity)

i. A.
Jean Marais
b.i.g. bechtold
Tel.   +49 30 6706662-23

On 18.06.2014, at 19:57, "jones.aidan.t@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

 

Hi,

I'm using the user-definedzone HVAC object and I have come across the following problem:
The outlet air temperature can be set from the inlet temperature, but the outlet water temperature cannot.

In EMS, a simple example:
set T_out_air = T_in_air,
set T_out_water = T_in_water,

The air assignment works fine, but the water does not.

I tried sending a temperature from a sensor elsewhere in the system, but that didn't work.
The line below works just fine, however.

set T_out_water = 31,

Has anyone come across a similar issue with the user-defined zone HVAC object?
I think there's a serious bug in the object. It looks to me as if the component can't read in plant (water) temperatures.

Thanks

Aidan




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Posted by: "jeannieboef@xxxxxxxxx" <jeannieboef@xxxxxxxxx>


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