The air-heated parking heater (hereinafter referred to as the heater) main unit is a small-sized fuel oil furnace made of a singlechip, and the furnace body (ie, the heat exchanger) is located in a cover-shaped outer casing constituting the air passage.
The cooling air is sucked into the passage by the heating fan, heated and then blown out, thereby forming a heating system independent of the original heating facility of the vehicle.
After heat up the exchanger, deliver hot air through the fan to carriage, storage equipment, deliver hot air through the fan to carriage, storage equipment, cabin and so on.In such a way, heat can be supplied by the heater to driving cab and passenger compartment, no matter the engine is working or not.