Dahua – DHI-HY-1022 – Loop Addressable Fire Alarm Control Panel

Addressable Fire Alarm Control Panel is designed to provide early warning fire detection, display fire information and inform people to evacuate. With two-wire and polarity-free technology, it connects with other mated products to construct a fire alarm control system. This system offers flexibility in both design and operation to meet the demands of various projects.

• Two-wire and polarity-free: The system loop line adopts two-wire and polarity-free communication power supply technology without external
  power supply.
• Strong anti-interference, convenient wiring, improved system reliability and stability, easy construction and installation, reduced project cost, and convenient later stage maintenance.
• Intuitive display: 480 × 272 4.3’’ LCD screen provides a highly intuitive interface, allowing the user to fully setup the system without the need of any external tool.
• Ultra-long history record: Save historical events for a long time that can be inquired and printed in various ways such as time and type.
• Intelligent power supply: With automatic switching between the main and backup power and the charging and discharging functions, it ensures the stable power supply of the system to the greatest extent
• Protection design: Short circuit, open circuit and overcurrent protection to ensure stable operation.