The new ASD+ range from Siemens brings a number of advantages to the aspirating smoke detection market, including the largest coverage currently available.
Siemens has offered ASD systems for a number of years but this new generation features two new detectors – FDA261 and FDA262 – which are specifically designed to provide solutions for larger and more complex projects. A single device can cover an impressive area of up to 6,700 m2 – currently the largest coverage area available on the market. Even for Class A installations with the highest sensitivity requirements, up to 2,000 m2 of detection coverage is achievable with a single ASD+ detector. This makes the technology ideally suited to applications typified by their large open areas, including data centres, retail distribution warehouses and industrial production facilities.
The modular design of ASD+ enables easy replacement of both the detection chamber and the aspirator, all without the need to exchange the entire detector unit. This not only extends the product’s lifetime but also reduces its environmental footprint.
Easy commissioning and maintenance
The new ASD+ Connect app ensures fast and easy digital commissioning in a process which is highly automated and intuitive through a QR-code based approach, reducing commissioning time by up to 20%. The detection performance has been enhanced in ASD+ through optics designed for high sensitivity, with optimisation to perform in harsh dirty environments through improved signal processing which differentiates between smoke and dust. This can be a significant advantage in certain applications, effectively eliminating the risk of false alarms.
Maintenance is vital for any detection system to carry on operating in optimum condition. In the case of conventional point detectors, the high number of devices covering an area or the accessibility of their positioning can create practical difficulties. The capability to position the detection chambers of ASD away from the protected area means that access is often much easier. This is particularly true of the high ceilings which typically characterise warehouses. Floor voids, escalators and other inaccessible areas can also benefit from the easier maintenance of aspirating systems. With Siemens ASD+ data can be provided from the cloud to ensure effective maintenance, with pre-alarm, dust detection, airflow and contamination level data all readily available via a mobile app.
If adding the detectors to an existing Siemens ASD solution, there are no additional hardware costs as ASD+ has been designed to integrate directly on Siemens Fdnet/Cnet loops. In addition, built-in relays allow easy connection to third party systems via onboard relay outputs.
The ASD+ detectors offer adjustable alarm thresholds, providing the flexibility to meet the specific requirements of any application. Future-proofing is built in with the provision of extension slots to enable any upgrades, should they be required.
Planning Support
Alongside the ASD+ detectors, Siemens offers extensive planning and support documents, tools and data. These include application guides, a fire system builder, a BIM and CAD platform and a spec writer to enable specification of a given fire safety system.
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