Lincoln 1634-000-EA, 1633-000-EA service manual Temperature Display

Adjustments of the speed control potentiometer will change resistance at terminals P1 and P2 varying the DC voltage to the motor. The speed of the conveyor motor will increase or decrease as the DC voltage from the board increases or decreases respectively.

NOTE: The conveyor control uses a sensor and magnet, mounted on the conveyor motor that senses motor

speed. Any change in motor load ( ± RPM ) is detected by the sensor and the voltage to the motor is adjusted accordingly.

TEMPERATURE DISPLAY

Closing the power switch supplies line voltage to the primary of the temperature display transformer. The secondary of this transformer supplies 12 VAC to the temperature display. The thermocouple supplies DC millivolts to the temperature display. The display converts this millivolt reading to a temperature reading.

4 Low Profile – 1600 Advantage Series Service Manual – International