Re: [EnergyPlus_Support] Induced air terminal unit

[fred buhl <wfbuhl@xxxxxxx>]

Chaoquin,

5ZoneFPIU.idf does indeed not produce a useful svg file. This will
be logged as a Change Request in our problem tracking system.

On the other hand, FPIUs should size correctly. Please email me your input
and I will take a look - no matter what you do, you shouldn't be gatting
a negative hot water flow rate.

Fred Buhl



zhaicq98 wrote:

>Hi,
>
>I am wondering how the induced air terminal unit SINGLE DUCT:CONST 
>VOLUME:4 PIPE INDUC is autosized. 
>
>I have a setpoint for the primary supply air temperature, but the 
>primary air flow is set as "autosize". The heating and cooling coils 
>in the unit are also set as "autosize". I am not sure how EnergyPlus 
>determines the supply air flow when the actual supply air temperature 
>(different from the primary supply air temperature) is unknown. 
>
>In my simulation, the heating water flow is autosized as a negative 
>number, which really confuses me. 
>
>In addition, I ran the example file 5ZoneFPIU.idf, but no HVAC system 
>diagram was generated. The .svg file says there is error in the input 
>file. 
>
>I will really appreciate if anyone can help me out here. 
>
>-Chaoqin
>
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>
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> 
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>  
>


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