YUN YANG YRR-04 Addressable Manual Call Point
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- With status LEDs indicating “Monitoring”, “Activate”, and “Error”.
- Address coding by binary coded dip switch for easier setting.
- Two-wire multi-transmission.
- Stable communication with resistance to noise and disturbances.
- Self-test functions for circuit disconnection and activation.
- Expandable to connect with photoelectric smoke, rate of rise heat and fixed temperature heat detectors, and no need for external power supply.
- In-built no voltage control output, activation confirmation function.