Heater controlled via external 6..24V PWM signal.
Equipped with an extra safety thermostat set at 70°C to protect internal components.
PS – mechanical protection against loss or insufficient airflow with differential pressure switch. The heater if not allowed to heat unless a minimum airflow of 1,5m/s is reached.
By ordering the PS, an internal contactor for power supply is added to the heater as well.
Upon request internal contactor for power supply can be added in the heater.