Yk 025-47670-000 Temperature Sensor: Structure and Operating Principles

1. Sensing Probe
The brass threaded probe houses a high-precision NTC chip. It establishes direct contact with the high-temperature discharge line; as the temperature changes, its electrical resistance varies precisely, enabling a rapid response to fluctuations in discharge temperature.

2. Signal Transmission
A dual-layer, high-temperature-resistant shielded cable effectively isolates the sensor from strong electromagnetic interference generated by the compressor and inverter, ensuring the stable transmission of temperature signals to the unit’s main control system.

3. Connection Interface
A waterproof, 2-pin connector provides a perfect match with the control boards of York units, ensuring a secure, vibration-resistant connection that prevents accidental disconnection and protects against refrigerant ingress.

4. Operating Principles
The sensor continuously monitors the compressor’s discharge temperature in real-time, feeding resistance-based signals back to the unit’s control unit. This data is utilized to support core safety logic functions, including overheat protection, load regulation, liquid-slugging prevention, and motor burnout prevention.

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