If you are the engineer running a large ice-making system and one building is unsatisfied with chilled water supply, what should you do?

The appropriate action when faced with a building unsatisfied with the chilled water supply is to put an additional chilled water pump online. This option directly addresses the issue of insufficient chilled water delivery by increasing the capacity of the system, ensuring that the building receives the necessary flow of chilled water to meet its cooling demands.

By adding a pump, you enhance the overall circulation and pressure within the chilled water system, potentially improving the supply to multiple areas, including the building experiencing dissatisfaction. This proactive approach helps maintain system stability and prevents further issues related to temperature and supply, which might arise from overloading a single pump or existing equipment.

In contrast, lowering the temperature of the water, while it may seem beneficial, would not necessarily increase the supply to the building and could lead to uneven cooling and system strain. Decreasing the workload of the system might alleviate pressure temporarily but may not resolve the issue of inadequate chilled water supply. Shutting off supply to the building is counterproductive, as it would only exacerbate the situation and create further dissatisfaction. Therefore, adding an additional chilled water pump is the most effective solution to ensure proper chilled water delivery.