BUILDING MANAGEMENT SYSTEMS
The frequency at which emergency lighting is tested can vary depending on system type (i.e. maintained emergency lighting or non-maintained), but it should be tested monthly via a flick test, as well as the annual ‘full duration’ test, stipulated by the 5266-1 regulation. Full EML lighting discharge tests can take up to six hours per circuit – a significant time and cost investment, particularly if an external contractor is required. The availability of DALI-based automated, wireless
NG SMART TO DELIVER NABILITY
plan, execute, monitor and report on the status of emergency lighting systems is another way for facilities managers to proactively manage and maintain a key system in the building.
emergency self-testing solutions conform to the IEC 62386-202 standard, providing facilities managers with the peace of mind that they are compliant with current regulations, while saving huge amounts of budget and time. A wireless cloud based connected platform
can remotely monitor the status of all lights in real-time, detecting any faults or failures instantly. This reduces the need for regular manual inspections, saving both time and labour costs. Wireless systems like this also have the capability to schedule both functional and duration tests for DALI emergency lights. Self-testing solutions are enabling facilities
managers to streamline the process from the comfort of a desktop, with automated scheduling and reporting, including the scheduling of all functional and duration tests. This functionality enables pinpoint accuracy on the location of
system faults, through floorplan visualizer and comprehensive reports and archiving capabilities, providing an increased layer of insights for building managers.
THE FUTURE OF SMART BUILDINGS There will come a point in the future where smart buildings are the industry standard. However, to reach that point, new buildings will need to be designed using a smart approach, while existing stock will need to be upgraded with retrofittable technology. Building automation will play a key role in this, particularly given its ability to be introduced into existing buildings. With this in mind, there is no doubt that the
incorporation of smart technologies is undoubtedly helping to revolutionise building management and all the related benefits that come with eliminating waste, ensuring compliance and streamlining system usage to match occupancy requirements. Early adoption of these technologies will help businesses to reduce their carbon footprint and stay ahead of the curve. To support this, as a business, Cosmicnode will continue to innovate to provide robust solutions that enhance benefits and reduce costs.
Cosmicnode
https://cosmicnode.com
SUSTAINABLE BUILDING AUTOMATION ENHANCES HERITAGE HOTEL B
uilt between 1723 and 1727, the heritage-listed 328-room Bellevue Hotel Dresden is the only remaining building complex on the famous Große
Meißner Gasse, which was the scene of politically significant events such as the reunification of Germany in 1989 and the G8 summit in 2007. When the new owner decided to comprehensively modernise the building services, particular focus was placed on correcting the manual regulation of the room temperature via the radiators as well as the outdated fan convectors. These remained in operation when guests were absent and had been proven to lead to energy losses and increased energy costs. Arndt Badsanierung was awarded the contract for the installation of energy- and cost-efficient room air conditioning solutions. For this, the company relied on room thermostats and radiator valves from Thermokon’s ‘EasySens’ wireless system, which makes use of the EnOcean energy harvesting solution. “The key to the energy- and cost-efficient design of the room air
conditioning was the decision to equip it with state-of-the-art technology and integrate it into the building management system. As a result, the hotel’s technical service is now able to centrally control all room statuses and device functions,” explained Mario Arndt, managing director of Arndt Badsanierung. To ensure resource-efficient operation, the fan coils were replaced with
fan coil units with energy-efficient ec motors and low noise levels. The radiators and fan coil units were linked to the presence detector and are now controlled depending on the occupancy status of the rooms – if the presence detector detects that a room is empty, a defined standby temperature is activated via the building management system. If a guest is present, the system enables individual control by the guest. “The use of high-quality sensor systems from Thermokon, in particular
the combination of the JOY room thermostat with Modbus interface and the EnOcean-based energy self-sufficient SAB+ electronic radiator valves and SRW03 wireless window contacts, was essential for the successful automation of the heating technology,” emphasizes Timon Deisel, Thermokon sales manager, Germany. With its flat housing, scratch-resistant acrylic glass surface and backlit LCD display, JOY blends in with the look of the room and makes controlling the indoor climate simple and precise. Communication
with the building management system takes place via the integrated Modbus interface. Networking with the SAB+ radiator valve and the SRW03 window contact is radio-based. Thanks to their solar
cells and intelligent energy harvesting, the two solutions reduced the installation work at the Hotel Bellevue to a minimum. By eliminating the need for regular battery changes, they also reduce the hotel’s personnel costs during operation. Furthermore, as soon as the status monitoring of the window contact detects an open window, the room air conditioning is automatically deactivated. “This project demonstrates the benefits of our energy harvesting technology and our sensor products. The use of alternative energy sources from the environment, such as temperature, movement and light in this case, as well as our integrated battery-free wireless switches and window contact sensors, which provide information about open windows, for example, have contributed to increasing the energy and cost efficiency of the Bellevue Hotel Dresden,” explained Markus Florian, CCO at EnOcean. Savings were also achieved by reducing downtimes, saving on cabling and
through external pre-assembly of the components. In addition, Thermokon worked with Wago to develop a concept based on ready-to-plug-in cabling of the components via Winsta-Box. That way, commissioning in the rooms could be carried out quickly, safely, and error-free via plug & play.
EnOcean
www.enocean.com/en/
www.essmag.co.uk
ENERGY & SUSTAINABILITY SOLUTIONS - Summer 2024
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