EMERSON Liebert 805411 Precision Cooling Controller

Technical Specifications:

  • Control Capacity: Supports group control of up to 32 air conditioning units, with flexible grouping for backup, rotation, and load balancing.
  • Communication Interfaces:
    • RS485/Modbus RTU for integration with building management systems (BMS).
    • Ethernet for remote monitoring and configuration.
  • Input/Output Signals:
    • Analog inputs for temperature/humidity sensors.
    • Digital outputs for alarm and status indicators.
    • Relay outputs for compressor/fan control.
  • Display: LCD screen with multi-language support for real-time parameter visualization.
  • Power Supply: 24V AC/DC with redundancy options.
Category:
Description
  • Environmental Tolerance:
    • Operating Temperature: -10°C to +60°C.
    • Humidity: 5%–95% RH (non-condensing).
  • Protection Grade: IP54 (dust and water-resistant).

Functional Characteristics:

  • Intelligent Group Control:
    • Automatically adjusts the number of running units based on机房 (data center) load.
    • Implements backup and rotation strategies to prevent competition and extend equipment lifespan.
  • Fault Self-Diagnosis:
    • Detects sensor failures, communication errors, and component malfunctions.
    • Provides alarm codes and maintenance suggestions on the LCD.
  • Remote Management:
    • Enables configuration and monitoring via BMS or web interfaces.
    • Supports multi-level password protection for security.
  • Energy Efficiency:
    • Optimizes cooling output to reduce power consumption.
    • Coordinates unit operation to avoid overlapping functions.
  • User-Friendly Interface:
    • Intuitive menu navigation for parameter settings.
    • Event logging and historical data storage for trend analysis.

Application Scenarios:

  • Data Centers:
    • Manages cooling for server rooms, ensuring temperature and humidity compliance for IT equipment.
  • Telecom Base Stations:
    • Stabilizes environmental conditions for communication hardware in remote locations.
  • Industrial Control Rooms:
    • Maintains optimal operating environments for sensitive electronic systems.
  • Healthcare Facilities:
    • Regulates air quality in MRI rooms, laboratories, and pharmaceutical storage areas.
  • Financial Institutions:
    • Protects critical IT infrastructure in trading floors and data processing centers.

Key Advantages:

  • Scalability: Adapts to facilities of varying sizes by adjusting the number of controlled units.
  • Reliability: Redundant communication and power options minimize downtime.
  • Cost Savings: Reduces energy waste through intelligent load distribution.
  • Ease of Maintenance: Self-diagnostic features simplify troubleshooting and reduce repair time.

Industry Recognition:
The EMERSON Liebert 805411 is widely adopted in sectors requiring high availability, such as finance, healthcare, and telecommunications. Its ability to enhance cooling system efficiency and reliability has made it a preferred choice for mission-critical environments.

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