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Level 9 of 11 · AI Data Centre lab

Liquid cooling basics

Level 9 of 11 in the AI Data Centre lab: a free data centre exercise at Intermediate level. A direct-to-chip liquid pod has a fault. Read the coolant supply, return and flow, work out the heat the loop carries, find the leak or the air in the loop, isolate and restore it in the right order.

IntermediateNot started

Goal

A direct-to-chip liquid pod has a fault.

Done when

The acceptance test marks the skills this level practises.

  • Coolant supply, return and flow
  • Heat from flow and temperature rise
  • Finding a leak or air in a loop
  • Isolate, fix and restore a liquid loop

Skills

  • Coolant supply, return and flow
  • Heat from flow and temperature rise
  • Finding a leak or air in a loop
  • Isolate, fix and restore a liquid loop

Before you start

Level 8, Power event drill, comes first. Do it first if the ideas are new to you.

Free, in your browser, nothing to install. Your work is saved on this device. Updated 15 Nov 2026.

11 levels

Levels in the AI Data Centre lab

Walk an AI data hall, rack and cable a GPU server, and size its power and cooling.

  1. Start Safety walk and hall tour
  2. Start Rack and cable a GPU server
  3. Start Rack power budget
  4. Start Cooling hot spot
  5. Start PUE from a month of meters
  6. Start Replace a failed part from a ticket
  7. Start Training job slowdown
  8. Start Power event drill
  9. Start Liquid cooling basics
  10. Start Capacity plan for a new training cluster
  11. Start Energy and cost of a job

Part of the AI Data Centre lab

Walk an AI data hall, rack and cable a GPU server, and size its power and cooling.

Feeds these internships (training, not employment): AI and Machine Learning, Data Science and Analytics, AI Agents and Automation, Electrical Design.

About the AI Data Centre lab

Ready for Liquid cooling basics?

Free, in your browser, with nothing to install.