# Commission and accept the system

Lesson 3 of [Plan a liquid cooling rollout](https://liquidcooling.fyi/academy/plan-a-liquid-cooling-rollout.md), 15 minutes.

Commissioning proves that the system works before IT load arrives. Plan it as a series of gates. Do not start a gate until the gate before it has passed. A typical sequence 1. Pressure-test the facility loop, flush it, fill it and record a baseline of water quality. 2. Check the factory acceptance t…

The rest of this lesson is for learners enrolled in the course. [See how Plan a liquid cooling rollout works](https://liquidcooling.fyi/academy/plan-a-liquid-cooling-rollout.md).

Also on the [web page](https://liquidcooling.fyi/academy/plan-a-liquid-cooling-rollout/commission-and-accept-the-system).