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[EnergyPlus_Support] Re: Solar collectors: "Branches cannot handle all the flow"
Hi,
I've allready tried to put all my branches passive but it still doesn't work! I'm really upset!
If you have any other idea...
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Abdelali Ait El Cadi <abdelali.aitelcadi@...> wrote:
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> hi,
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> i've never worked on solar collectors modelling.
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> i've another alternative for you, if the flow rate value is not so important in your model, make all branches passive one to avoid flow control.
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> i hope that will work.
>
>
> --- On Thu, 5/28/09, davylagre <davylagre@...> wrote:
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> From: davylagre <davylagre@...>
> Subject: [EnergyPlus_Support] Re: Solar collectors: "Branches cannot handle all the flow"
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Date: Thursday, May 28, 2009, 10:17 AM
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> Hello,
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> Thanks for your post! Unfortunately, it doesn't solve my problem! I put 0 in maximum flow rate for each branch but the same error still occurs!
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> In your case, have you ever work in solar collectors modeling?
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> --- In EnergyPlus_Support@ yahoogroups. com, Abdelali Ait El Cadi <abdelali.aitelcadi @...> wrote:
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> >
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> > hello,
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> >
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> > i had the same problem in my hydronic low radiant system, and i solve it by putting 0 in maximum flow rate for each branch, because this field is required for air loops and not for water loops.
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> > --- On Wed, 5/27/09, davylagre <davylagre@ ..> wrote:
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> > From: davylagre <davylagre@ ..>
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> > Subject: [EnergyPlus_ Support] Solar collectors: "Branches cannot handle all the flow"
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> > To: EnergyPlus_Support@ yahoogroups. com
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> > Date: Wednesday, May 27, 2009, 12:13 PM
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> > I'm trying to model solar collectors (again!). I want to model solar collectors as follows:
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> > oooooooooo
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> > oooooooooo (o = solar collector)
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> > oooooooooo
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> > oooooo
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> > When I model collectors as follows:
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> > oooooooooo
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> > o
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> > o
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> > o
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> > An error occured :
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> > ** Severe ** Branches cannot handle all the flow. Possible causes could be absence of Bypass,
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> > ** ~~~ ** or components that are manually sized incorrectly. Consider autosize where possible.
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> > ** ~~~ ** To fix add a Bypass branch or size the other ACTIVE/PASSIVE branches to equal the loop flow
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> > ** ~~~ ** Occurs in Plant Loop=DHW LOOP
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> > ** ~~~ ** Occurs for Splitter=DEMAND SPLITTER
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> > But, all my components are autosize!! Thus, my installation doesn't have any bypass, so I don't want to model bypass!
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> > Is there anybody able to solve this problem?
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> >
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