The Pre-Occupancy purge demand comes from the configuration of the Auxiliary features in Climatix Mobile or '6AUX1-I'/'6AUX2-I' under the menu of I/O Configuration on the inbuilt display.
During pre-occupancy purge on the call of heating or when there is no cooling/heating demand, the damper position is MIN POS.
During pre-occupancy purge on the call of cooling, the damper position is MIN POS if outside air is not suitable for economizing. If outside air is suitable for economizing, the damper is fully open.