| GENERAL CHARACTERISTICS ITEM DESCRIPTION | RECEIVES AND PROCESSES THE PULSED OUTPUT FROM THE MOTOR SPEED SENSOR; OUTPUT IS A RELAY OPEN OR CLOSURE DEPENDING UPON FAN SPEED; RELY IS SPDT TYPE; RELAY INDICATES THE LOW-SPEED CONDITION; AUTOMATICALLY RESETS; ON INCREASING RPM - OPEN BELOW 1500 RPM, CHANGE FROM OPEN TO CLOSED BETWEEN 1500 AND 2057 RPM, CLOSED ABOVE 2057 RPM; ON DECREASING RPM - CLOSED ABOVE 2057 RPM, CHANGE FROM CLOSED TO OPEN BETWEEN 1500 AND 2057 RPM, OPEN BELOW 1500 RPM |