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Hi Danny, I’m not really an
expert, but here’s what I would do: If your ventilation
system is driven by TRNSYS components (equation cards, …), you simply
have to add an output (or several outputs) for CO2 to your type 157: In Simulation Studio,
open the parameters of type 157, and increase parameter 5 (Number of Outputs)
by 1. A new parameter will
appear just below. In this new parameter, specify the CO2 you want to output. CO2
is usually pollutant #2. (e.g. Then connect these values
to your equation(s) to compute the required fan speeds, which you feed back to
type 157 (using parameter 2, ‘number of links with schedules’). (creates a new parameter
also, ‘CIF Seq. Num. of link with TRNSYS schedule’ -> give the
position of the fan in the &-NET-LI section of the COMIS input file
generated by Simulation Studio). (The word ‘schedule’
is somewhat misleading here, what we mean is any value computed by a TRNSYS TYPE). Werner De : danny roelofsen
[mailto:dannyroelofsen@gmail.com] Dear TRNSYS Users, I am trying to couple Trnsys and Comis to build a multizone model which
can be controlled by CO2 concentrations. I can't figure out how to make the
model's ventilation system react to the CO2 pollution that is generated by the
occupants. Does anyone have a solution, or maybe an example-file so i can
figure out how to do it? I'm a new bee and I might have not explained the problem very well but
any help is appreciated Regards, Danny Roelofsen, Student at Windesheim University, The Netherlands
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