Yk 025-32924-000 Temperature Sensor: Functions and Applications

1. Precise Temperature Monitoring
It captures real-time temperature data for chilled water, cooling water, refrigerant liquid lines, suction lines, and discharge lines, providing critical feedback signals for unit control.

2. Closed-Loop Temperature Control
Working in conjunction with the control board, it regulates compressor load, electronic expansion valve opening, and water pump speed to stabilize outlet water temperature and ensure optimal cooling and heating efficiency.

3. Protection and Fault Diagnosis
Upon detecting excessive temperatures (high or low) or sensor circuit faults (short circuits or open circuits), it triggers high-temperature protection, anti-freeze protection, and low/high-pressure alarms to prevent compressor burnout.

4. Stable System Operation
It prevents operational disruptions—such as nuisance shutdowns, temperature fluctuations, reduced energy efficiency, and increased energy consumption—that can result from temperature signal drift.

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