Hi Olivier,
Although a bit old, perhaps the steps outlined here for creating custom AHUs could be utilized for this case?
communities.bentley.com/.../creating-custom-ahu-for-bentley-building-mechanical-systems-and-aecosim-building-designer
Although a bit old, perhaps the steps outlined here for creating custom AHUs could be utilized for this case?
communities.bentley.com/.../creating-custom-ahu-for-bentley-building-mechanical-systems-and-aecosim-building-designer