Step 2: The reference model

When all the information is gathered, the reference model can be created. This consists of 3 sections, the Plant Room (boilers, CHP, …), the end units (radiators, AHU, DHW), and the control strategy keeping it all together.

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General tips before we get started:

• Under System peripherals, you can find a sensor, which should be placed as often as possible, for example on pipes by boilers and end units, right before and after low loss headers, in by-passes, and so forth. This will be a great help later on (when you are checking if the reference model works correctly) and will not influence the system at all.

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• To keep a good overview of your model, it is very useful to utilise the labels and add in nomenclature and other information.

  • As an example, here is some useful info for boiler:

    • Power [kW], Pressure loss [mbar], water capacity [l]

Now, we can get started with drawing in the plant room/Energy Centre