particular piece of equipment being configured if for example the installation mode at block 1102 is initiated in response to a new piece of equipment connected to the controller the interview question generator can be configured to present to the installer only those questions pertaining to the new equipment the interview question generator can also be configured to suggest a default answer based on any previous responses based on any previous controller settings and or based on settings which are commonly selected for that particular piece of equipment for example with respect to the selection of the number of stages for heating the user interface can be configured to default to a common answer or response of u201c 2 u201d while providing the installer with the ability to select among other numbers of heating stages e g u201c 0 u201d u201c 1 u201d u201c 3 u201d u201c 4 u201d u201c 5 u201d u201c 6 u201d etc if desired the suggestion of a default answer can be accomplished for example by highlighting or flashing the answer on the display screen by moving a selection indicator adjacent to the answer on the display screen or by other suitable means fig1 a 13z are schematic drawings of an illustrative hvac touchscreen interface 1200 showing an illustrative implementation of the flow diagram depicted in fig1 in a first view depicted in fig1 a the interface 1200 can be configured to display a main installation menu screen 1202 on the display panel 1204 providing the installer with the choice of configuring one or more hvac system components the main installation menu screen 1202 can include for example a u201c full set up u201d.