Water-powered alarm bells have been the acoustic alarm in sprinkler systems for a long time. Even today they are found in many properties.
One alarm bell is installed per group of sprinklers, usually on the external facade of the protected building, and connected to the corresponding alarm valve station via a dedicated pipe line. The alarm bells are operated not only in case of a real alarm, but also as part of the weekly alarm tests.
However, regular testing of the alarm bells consumes a lot of water and can cause problems, even permanently: if the alarm bells are activated, oxygenated water is backfed into the sprinkler system and increases the tendency of corrosion in the pipe system. In many cases, water leaks uncontrollably on the facade and thus causes a risk to pedestrians through puddles or even ice. Over the years, adverse water quality can also damage the pipes between alarm valve stations and alarm bells.
Why accept all this if there is the option of an electrical alarm system?
The conversion to an electrical alarm system brings your sprinkler system up to the current state of the art.
Instead of alarm bells two redundant acoustic alarms are installed on the external facade with an optical display on each alarm valve station. The FMZ suitable 5000 M + fire alarm and extinguishing control panel - or another appropriate CPU - controls the electric alarm devices in the event of an alarm and in the operating state monitors the connection cables for wire breakage and short circuit.
As a result, you are not only spared high water consumption and potential problems that are caused by the use of water for the activation of the alarm devices. In the future you can schedule less time for the weekly alarm tests – because an alarm test with electrical alarm equipment can be performed significantly faster than with water-driven alarm bells.
And, incidentally, with electrical alarm equipment your exterior looks more upscale...
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