Inditex Rusher

Inditex, the multinational fashion retail giant renowned for its ownership of popular brands such as Zara and Bershka, has embarked on a comprehensive initiative to further enhance the operational and energy efficiency of their physical stores.

Recognizing the crucial role of lighting in their expansive stores, often exceeding 3,500 square meters, Inditex has implemented Casambi-controlled luminaires in some of its key locations. This allows for lighting optimization based on space utilization, a significant consideration given the high energy consumption of such large areas. The benefits of this initiative are exemplified in the Bershka store located in Gallery Vittorio Emanuele II, Milan,

The lighting design

The lighting design for this store focused on creating a visually appealing and uniform aesthetic. Special attention was given to the alignment of luminaires, with two light planes developed for a cohesive and ordered ceiling-mesh appearance. Different lighting scenes were envisioned based on the purpose of specific areas within the store.

The first plane comprises uniform linear lighting without any gaps, while the second upper plane houses 48 V accent projectors with 24-38º optics, serving to emphasize areas and furniture. A significant portion of the store’s display area, with lower heights than the rest, features a black square grid ceiling where the lighting is embedded in perfect order with luminaires that offer very low glare and high visual comfort.

The ‘fast’ fitting rooms share the general lighting of the grid ceiling, while the ‘slow’ fitting rooms, dedicated to personal shopper experiences, feature general ceiling lighting with scenes synchronized with video and music.

The lighting, all with a color temperature of 3000K and a high CRI>90, is wirelessly controlled through Casambi’s Bluetooth® Low Energy-based solution to ensure the correct illuminance levels required across the expansive store.

Centrally Orchestrated Lighting Control

The primary objectives of the wireless smart lighting control for Bershka were manifold: to optimize electricity consumption and prolong the life of luminaires by adjusting intensity levels based on specific applications; to facilitate the programming of bespoke scenes and ease of use thereof; and to streamline the installation process.

Given the magnitude of this store, the challenge lay in orchestrating the simultaneous operation of thousands of luminaires. The solution involved a centralized control system compatible with SCADA, MODBUS, and BACnet protocols, enabling unified and synchronized control across different levels of the building.

The installation consists of eight Casambi networks, which unify a total of 1,400 Casambi nodes, drivers, relays, CBU-DCS modules, sensors, CBU-TED, and CBU-ASD modules, controlling approximately 3,800 luminaires. Operated centrally, the entire system connects the Casambi networks with the BMS control and alarm center. Consequently, the entire store operates cohesively and uniformly, adhering to predefined schedules, specific uses, or designated areas. For example, in areas with natural light input, light sensors adjust the relevant luminaires to reduce over-illumination and related energy waste. Various lighting scenes are activated to accommodate different work modes, such as illuminating only essential lighting during tasks like unloading products or cleaning.

Establishing Smart Lighting Control

The lighting design for this store focused on creating a visually appealing and uniform aesthetic. Special attention was given to the alignment of luminaires, with two light planes developed for a cohesive and ordered ceiling-mesh appearance. Different lighting scenes were envisioned based on the purpose of specific areas within the store.

The first plane comprises uniform linear lighting without any gaps, while the second upper plane houses 48 V accent projectors with 24-38º optics, serving to emphasize areas and furniture. A significant portion of the store’s display area, with lower heights than the rest, features a black square grid ceiling where the lighting is embedded in perfect order with luminaires that offer very low glare and high visual comfort.

The ‘fast’ fitting rooms share the general lighting of the grid ceiling, while the ‘slow’ fitting rooms, dedicated to personal shopper experiences, feature general ceiling lighting with scenes synchronized with video and music.

The lighting, all with a color temperature of 3000K and a high CRI>90, is wirelessly controlled through Casambi’s Bluetooth® Low Energy-based solution to ensure the correct illuminance levels required across the expansive store.

 

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