What must ensure that excessive pressures do not lead to isolation in a solar energy system?

In a solar energy system, it is crucial to manage pressure levels effectively to prevent excessive pressures that could lead to system isolation or failure. A relief device is specifically designed to protect the system by allowing excess pressure to escape. When the pressure in the system exceeds safe limits, the relief device activates, releasing the built-up pressure and thus preventing potential damage to components or complete system isolation.

Relief devices are vital safety features commonly found in various pressure systems, ensuring that the operating conditions remain within safe parameters. They function automatically and are often set to open at a predetermined pressure threshold, which reinforces the reliability and operational safety of the solar energy system.

While pressure gauges, expansion tanks, and shutoff valves each play important roles in managing and monitoring system performance, they do not directly serve the function of preventing excessive pressure from causing isolation in the system. Pressure gauges are used for monitoring, expansion tanks help accommodate thermal expansion, and shutoff valves control flow but do not relieve pressure when it becomes excessive. Therefore, relying on a relief device is essential for maintaining the integrity and safety of a solar energy system.