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Solar Sensor: Testing and Inspection

INSPECTION

SUNLOAD SENSOR

TROUBLE SYMPTOM:
- Sensor identifies that sunlight is at maximum. Then, A/C system is controlled to COOL side.
- Sensor identifies that sunlight is at minimum. Then, A/C system is controlled to HOT side.

NOTE: When the sunload sensor is checked indoors or in the shade, an open circuit might be indicated. Always check the sunload sensor at a location exposed to direct sunlight.

WIRING DIAGRAM

Wiring Diagram:






Step 1-5: