I am trying to model the HVAC system of the building that I'm studying for my thesis and am having some difficulties regarding which fields I should fill and which not. I have filled the fields up to group-airflow and I don't know what to do after that.

I read in the BigLadderSoftware site that Sizing:Zone, Sizing:System, and Sizing:Plant will be generated by the HVAC system so, I guess I don't have to fill anything in these fields?

Also, do I have to create nodes and branches? Or do I just fill the fields that are required for my HVAC system?

The HVAC system that exists in the building is a 2 pipe fan-coil so, so either choose the 4 pipe option or the ideal loads one.

I am trying to model the HVAC system of the building that I'm studying i study for my thesis and i am having some difficulties regarding which fields I i should fill and which not. I not! i have filled the fields up to group-airflow group-airflow and I don't i dont know what to do after that.

that. I read in the BigLadderSoftware big ladder software site that Sizing:Zone, Sizing:System, Sizing:Zone, Sizing:System, and Sizing:Plant Sizing:Plant will be generated by the HVAC tha hvac system so, I i guess I don't i dont have to fill anything aynthing in these fields?

fields, right?? Also, do I i have to create nodes and branches? Or do I branches?? or i just fill the fields that are required for my HVAC system?

hvac system?? The HVAC hvac system that exists in the building buidling is a 2 pipe fan-coil fancoil so, so i either choose the 4 pipe option or the ideal loads one.one.
I am tottaly lost with this ,as i am a new user, so your help is needed!!!