What should be done to maintain proper operation of a sprinkler system?

Maintaining the proper operation of a sprinkler system involves ensuring that any adjustments or repairs are conducted by trained personnel. This is crucial because sprinkler systems are complex and require specialized knowledge to operate and adjust correctly. Trained personnel are equipped to understand the system's mechanics and can identify and resolve issues that may arise, ensuring that the system functions effectively during a fire emergency.

Proper maintenance includes routine inspections, testing of the system components, and making adjustments or repairs when necessary. This ensures that the system is always ready to respond in the event of a fire, minimizing damage and enhancing safety.

In contrast, regularly replacing all sprinkler heads may not be necessary unless they are damaged or outdated, which can incur unnecessary costs and labor. Restricting access to the system might limit the ability for necessary maintenance checks to be performed, potentially leading to unnoticed issues. Keeping the system completely inactive would obviously defeat its purpose and compromise safety, as it would not function during an emergency. Thus, allowing trained personnel to handle adjustments is the best practice for maintaining the efficiency and reliability of a sprinkler system.