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Re: [EnergyPlus_Support] How to insert an HeatExchanger:AirToAir:SensibleAndLatent


Hi Jean,
unfortunately I haven't read about the object you mentioned yet. I forgot to report the severe error pointed by e+ during the idf simulation. It shows me a list of severe errors like these:

   ** Severe  ** Node REHEAT INLET SUPPLY NODE RECP0A1 connects to no component
   **   ~~~   ** Occurs in Supply Air Path=AIR LOOP DEMAND SIDE SUPPLY PATH 1
   **   ~~~   ** Check the connection to a ZoneHVAC:EquipmentConnections object
   **   ~~~   ** Check if this component is missing from the Supply Air Path
   ** Severe  ** Node REHEAT INLET SUPPLY NODE RECP0A2 connects to no component
   **   ~~~   ** Occurs in Supply Air Path=AIR LOOP DEMAND SIDE SUPPLY PATH 1
   **   ~~~   ** Check the connection to a ZoneHVAC:EquipmentConnections object
   **   ~~~   ** Check if this component is missing from the Supply Air Path
   ** Severe  ** Node REHEAT INLET SUPPLY NODE RECP0A3 connects to no component
   **   ~~~   ** Occurs in Supply Air Path=AIR LOOP DEMAND SIDE SUPPLY PATH 1
   **   ~~~   ** Check the connection to a ZoneHVAC:EquipmentConnections object
   **   ~~~   ** Check if this component is missing from the Supply Air Path
... and so on.

Maybe I forgot to link something, but as I said before, I'm not really expert and first of all, I would like to listen to your indications.

Thanks,
Marco

On Tuesday, April 22, 2014 10:08 AM, Jean Marais <jeannieboef@xxxxxxxxx> wrote:

Hi Marco,
I've never seen anyone on the forum try this. I'm not sure this object can be put on non-supplyside branches, i.e. I don't think it will work. I suspect this, because this object ties in closely with controller:outdoorair (i.e. the outdoor air mixing damper) and economizer function. I think you'll have to look for another object for the job. Perhaps the ZoneHVAC:EnergyRecoveryVentilator?


2014-04-22 9:52 GMT+02:00 <<mailto:m.aldegheri@xxxxxxxxx>m.aldegheri@xxxxxxxxx>:
>  
Dear all,
> 
> I would like some information about the HeatExchanger:AirToAir:SensibleAndLatent.
> 
> I have a mec vent network for a residential building.
> 
> At the moment the modeled network is the one shown in the svg I uploaded and I created it via DesignBulder.
> 
> But each flat in this building has an heat exchanger. In this way I should change the original network dividing the air flux in branches, one for each flat, and inserting in each of them an heat exchanger.
> 
> Now, my idea is to create one splitter and one mixer for each flat and put the heat exchanger before the inlet splitter and after the outlet mixer.
> I upload also a sort of scheme.
> 
> My problem is that: I'm not very expert in modelling HVAC but I'm trying. In the idf I uploaded, there is what I did to realize the nodes connections for the exchanger and the rest of the network, but things are not working correctly.
> 
> Could anyone, try to explain me if and how could I reach my intent?
> 
> Thanks,
> Marco 





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