This is what I got storming in my mind,

1 Existing Tracer SC w VAV ect up and running properly

2 If i want to add 1 mini split and 6 wall hungs ect , what equipment( Boards) would be needed? im thinking "maybe" a controller" and 7 UCM modules?then one com line back to the front end?

3 simple start and stop switch

4 What about graphics?

Thx in Advanced