The thermostat is turned on too early, which leads to a large cycle of the refrigeration system too early. When the outside temperature is low, the cold air will quickly cool the antifreeze. If the engine water temperature does not come up, there will be no warm air, and the water pump impeller will be damaged or lost, resulting in insufficient flow and no heat flowing through the warm air water tank.
Extended data:
Heat pipe heating system: the heat pipe heat exchanger is vertically installed in the floor of the carriage, with condensation and heat release section above the floor and exhaust gas heating section below the floor. The exhaust gas discharged from the exhaust pipe of the automobile engine is introduced into the heat pipe heat exchanger, and the heat pipe heat exchanger is filled with liquid ammonia.
After being heated, liquid ammonia vaporizes, rises to the upper part of the heat pipe heat exchanger, exchanges heat with air, and heats the air entering from the vent. After the air is heated, it is blown into the carriage by the blower for heating, and the released ammonia condenses and flows back to the lower part, and then the next working cycle is completed.
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