APPARATUS FOR THE AUTOMATIC CONTROL OF BLOWERS FOR THE CONTROLLED VENTILATION OF HEAT EXCHANGERS

摘要

Apparatus for automatically controlling ventilators of heat exchangers, especially for ventilating condensers of an air conditioning plant with two heat exchangers having each a blower with a temperature controlled changeover switch (11) in the current supply line for the blower motors (8, 9) for shifting the blower motors from series to parallel operation when a selectable temperature is exceeded.