unrestricted heating or cooling

[dmitrievii]

Good evening,
Thank you for this amazing code first of all !!!

The Issue about calculation of ΦHC,nd10 (energy_floorAx10)
Calculate ΦHC,nd,un (unrestricted heating or cooling need to reach the required set-point temperature;
ΦHC,nd,un is positive for heating and negative for cooling).
ΦHC,nd,un = ΦHC,nd10 (θair,set − θair,0)/(θair,10 − θair,0) (C.13)

In code it is needed to have NEGATIVE multiplicator
In case of only positive x10 it returns wrong results
(I checked also by mannual calculation)

My suggestion:

    if self.has_heating_demand:
        t_air_set = self.t_set_heating
        # Set a heating case where the heating load is 10x the floor area (10 W/m2)
        energy_floorAx10 = 10 * self.floor_area
    elif self.has_cooling_demand:
        t_air_set = self.t_set_cooling
        energy_floorAx10 = -10 * self.floor_area
    else:
        raise NameError(
            'heating function has been called even though no heating is required')