Data centres today are evolving at an unprecedented pace. With the rise of artificial intelligence (AI) and high-performance computing (HPC), traditional cooling methods are struggling to keep up. The demands of these technologies push heat loads to levels that make air cooling systems inefficient and costly. Rittal’s Direct Liquid Cooling (DLC) offers a revolutionary solution to address these challenges, combining cutting-edge technology with sustainability and scalability.

Understanding Direct Liquid Cooling

Direct Liquid Cooling works by dissipating heat directly at the source—processors or other heat-generating components. Instead of relying on air, DLC uses liquid as a primary cooling medium, offering superior thermal performance. This approach significantly reduces the energy required for cooling, making it a more sustainable and cost-effective solution.

Key Features and Benefits of Rittal DLC

1. Efficiency at the Core:
   • Optimised for AI and HPC: DLC manages high power densities with precision, ensuring consistent system performance even under heavy workloads.
   • Enhanced Energy Savings: By transferring heat more efficiently than air systems, DLC reduces energy consumption and operational costs.
2. Scalable Design:
   • DLC solutions are modular, allowing businesses to expand their cooling capacity as needed.
   • The “pay-as-you-grow” model ensures cost-effectiveness for data centres of all sizes.
3. Sustainability:
   • DLC systems contribute to lower CO₂ emissions by minimising energy waste.
   • As sustainability becomes a critical metric for modern businesses, DLC aligns with global green initiatives.
4. Reliability and Redundancy:
   • Hot-swappable components and N+1 redundancy provide uninterrupted operation, reducing downtime risks.
   • Advanced monitoring systems ensure proactive maintenance and consistent performance.

The Rittal DLC Portfolio

Rittal offers a comprehensive range of DLC solutions tailored to various IT environments:

• Rear Door Heat Exchangers (Liquid-to-Air):
  • Designed for servers that do not require direct facility water.
  • Key specifications: 38 kW cooling capacity, redundant pumps, and CE-certified components.
• Side Coolers:
  • Compact and efficient, with up to 55 kW cooling performance for both 19” and 21” racks.
  • Ideal for smaller spaces without sacrificing power or reliability.
• CDU Systems (Liquid-to-Liquid):
  • In-Rack: Supports cooling up to 150 kW per rack, ensuring seamless integration.
  • In-Row: Scales up to 1 MW, perfect for large-scale deployments requiring high-efficiency cooling.

A Fully Integrated Solution

Rittal’s DLC is more than just cooling technology—it is part of a holistic approach to data centre management. Features include:

• Monitoring and Control Modules: Centralised system control with advanced sensors and fail-safe hot-swappable modules.
• Power Management: Integrated power distribution systems for seamless operation.
• Customisable Manifolds: Fully configurable to suit specific cooling needs, whether for 19” racks or OpenRack V3 configurations.

With the rapid growth of AI and HPC, efficient cooling solutions like Rittal’s Direct Liquid Cooling are essential for businesses looking to stay competitive while meeting sustainability goals.

Read More: https://www.rittal.com/au-en/products/Innovations/Direct-Liquid-Cooling0