What is the proper sequence of activating an installed eductor?

The correct sequence of activating an installed eductor is indeed crucial for its effective operation during damage control scenarios. When setting up an eductor, the order of operations is vital for ensuring that water is moved efficiently.

Beginning with the discharge line is important because it allows the water to flow out of the system first. This initial step ensures that any air trapped within the system can escape, preventing airlocks that could hinder the suction process. Next, turning on the firemain establishes the necessary pressure to propel water through the eductor. Lastly, engaging the suction side ensures that the eductor can draw in water efficiently, as there's already a path cleared for both discharge and flow.

By following this approach, the eductor is more likely to prime correctly and function effectively, allowing it to remove water from compartments that require dewatering. This sequence harnesses the principles of fluid dynamics and ensures that the system operates within its design parameters.