What is the PTC Heater?
PTC is a semiconductor ceramic that has a very high Positive Temperature Coefficient (PTC). When power is applied on the PTC, its resistance initially decreases and its temperature increases. This reduction of resistance accounts for the inrush current which usually occurs within the first 5 seconds. As the temperature of the PTC increases and reaches the PTCs Curie Temperature (Tx), its resistance drastically increases, resulting in current reduction. Current reduction also means power reduction and temperature reduction. Thus, the PTC material will try to maintain a constant temperature which in practical applications (near the Curie Temperature) is practically independent of the air flow applied. The PTC heat output can be regulated by the air flow applied in typical applications of heat generation; the higher the air flow, the higher the heat output. Q14. mode functional checking! -Caution-: Every time restart the unit must wait after 3 minutes. The unit memory chip is setting on t
