Control board base, type 5/EC-ZI, run-on timer and interval, 8 power levels

• The control board is located in the filter frame and is easily accessible after removing the front panel.
• In combination with a Silvento ec blower insert or ec clamping fan, numerous control functions are possible.

• Seven ventilation levels: 0, 15, 20, 30, 40, 45, 50, 60 m³/h
• Adjustable delay time: 0, 15, 30 min.
• Interval setting optionally selectable: 30 min ventilation every 4 hours, 15 min ventilation every 2 hours
• Power-on delay: Off, 45 or 120 seconds
• Free slot for additional motion detector module