Active frost protection for circular pipes with a diameter of 100, 125, 150 or 160 mm with mixing flap.
Cabinet is made of galvanized sheet metal, servo drive and anti-frost thermostat F2000 N. are mounted on the cabinet.
When the temperature drops below this set temperature, the damper will start to close the cold outside air supply to the unit and warm air from the mechanical room will be mixed into the outside air. Raising the air temperature at the inlet to the recuperator will ensure that it defrosts.