Electric heaters precautions when installing

electric fan heaters in use should pay attention to these points: The following winter, when the temperature 0 ℃ windshield will be a layer of ice and frost. Efficient electric heater when starting the engine, the water temperature rose above 40 ℃, the manipulation identified by signs placed defrost position, the position of the cycle into the indoor cycle, open the blower motor into third gear position, and the motor speed highest, make it work for 3-5 minutes, then you can put into a gear, second gear position according to defrost situation. Best not to leave the cab driver during this period, such as found motor does not turn, the motor gear should be immediately returned to the closed position, to avoid burn shifting resistors. When the outside temperature is low, the cab drivers and passengers for a long time, there will be frost glass, can be manipulated into position location and outdoor defrost cycle, the motor can be placed in a block or two gear positions, so that we can in addition to frost clean. When no external sand and dust, can put into circulation outside that cabin air fresh. If dust or sand, and when the weather is too cold, the circulation into the indoor cycle, avoid sand and dust into the cab.