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[EnergyPlus_Support] Re: European radiators, EN442, baseboard rating

Thanks Jean marais

I am modelling an existing building and need to put in a capacity in watts, not have E+ size the capacity.  That way, if the installed radiator is too small, E+ will reveal this.

The EU and US rating methods are both simplifications and E+ simplifies what proportion of output is radiative and convective.  The EU method states that the following 2 conditions have the same output.

Room at 15C
Supply at 70 C
Return at 60 C

Room at 25
Supply at 80 C
Return at 70 C

In both cases the difference between average water temperature and room air temperature is 50C.






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