Vallox 3722 - Page 4

4
INTRODUCTION
MAIN PARTS OF THE VENTILATION UNIT
R model in the figure
EXTRACT AIR FAN (BEHIND THE PROTECTIVE COVER)
SUPPLY AIR FAN (BEHIND THE EXTRACT AIR DUCT)
OUTDOOR AIR FILTER F7
HEAT RECOVERY CELL
SUMMER/WINTER DAMPER
OUTDOOR AIR FILTER G4
EXTRACT AIR FILTER G4
POST-HEATING RADIATOR (BEHIND THE EXTRACT AIR DUCT)
SAFETY SWITCH
CONTROL PANEL
CARBON DIOXIDE SENSOR
HUMIDITY SENSOR
INTERNAL HUMIDITY SENSOR
INTRODUCTION