Hi Ranjan,
I don't work with these keyins much myself so am unsure why you might be seeing these results. My first guess is that perhaps you are seeing the non-graphic elements used to support Drawing View resymbolization... try setting the configuration variable BB_DVDATASETELEMENTS to 0, restart ABD, and then try the above again - do the results change?
For the second item, you do need both DataGroup and Family + Part data loaded as part of any project selected. Has your project changed in some way since you last placed HVAC components?
I don't work with these keyins much myself so am unsure why you might be seeing these results. My first guess is that perhaps you are seeing the non-graphic elements used to support Drawing View resymbolization... try setting the configuration variable BB_DVDATASETELEMENTS to 0, restart ABD, and then try the above again - do the results change?
For the second item, you do need both DataGroup and Family + Part data loaded as part of any project selected. Has your project changed in some way since you last placed HVAC components?