Equipped with infrared PIR allows for automatic lowering of temp. or the standstill of the apparatus if it does not detect the presence of people in the room .Selection and regulation of two room temp. Comfort or Economy 5-45°C with anti freeze function. The presence detector can be excluded position OFF. In the AUTO mode when it detects with the infrared PIR the presence in the room of a person it selects the temp.comfort. If for the the length of an hour it does not detect the presence of people It selects the temp. economy. When again it detects presences it positions itself again in comfort. If people are not present for 8 hours or more It switches off the apparatus and positions itself in Stand-by. The display shows the selected temp. and that of the room and changed colour from blue to red when the temp rises in the room.