Change System Mode on CCU Mully Mulheran July 05, 2019 14:31 Updated Follow 1. Select 'System' in the upper-left. 2. Select either 'Off', 'Auto', 'Cool Only', or 'Heat Only'. Related articles Connect Tablet to Control Mote (Seating the CCU) Changing Schedule in Facilisight Central Control Unit (CCU) Installation Comments 0 comments Please sign in to leave a comment.