FAQ : our answers to your questions

Solar streetlights have several advantages over conventional streetlights connected to the electricity grid:

– Easy to install:

• Less than 10 minutes per installation

– Sustainable solution:

• No lead
• 100% recyclable

– No trenching, no cabling

• Minimized installation costs

– No electricity bill:

• No operating costs

Sunna Design’s ambition is to guarantee a quality lighting service to isolated or non-electrified areas, even in countries with extreme climatic conditions: high heat, cold, humidity, typhoons, hurricanes, etc.

Sunna Design offers you products with:

– A Plug & Play system

– French manufacturing quality

– A design allowing a high longevity

– Supervision and remote control

– Exclusive management of energy and lighting

Contact us for more information!

Sunna Design’s solar streetlights are designed and manufactured in France in our factory near Bordeaux. The products are all CE certified and meet the essential requirements of Directive 2014/108/EC and Directive 2014/30.EU through the application of the following harmonized standards:

– EN 62 479: 2010
– EN 55 015: 2013
– EN 61 547: 2009
– CISPR 15: 2016/A1: 2015
– EN 300 328 V1.9.1 (2015-02)
– EN 301 489-17 V2.2.1: 2012
– EN 301 489-1 V1.9.2: 2011
– EN 62 493: 2010

– IP65-IP67 standard: totally protected against dust and water projection from all directions.

– IK07 standard: resistant to the shock of a mass of 0,5 kg dropped at 40 cm above the tested object.

– IK08 standard: resistant to the shock of a mass of 1,25 kg dropped at 40 cm above the tested object.

In addition, 14 technological patents have been filed thanks to the developments of our Sunnarchitects.

Our solar street lamps have been optimized to ensure a 12-year lifespan on the whole product. Rather than guaranteeing each component independently, Sunna Design has chosen to guarantee the whole product for 6 years under normal conditions of use (1 cycle per day, operating temperature range from -40°C to 70°C).

The products are designed to light up all night, 365 nights a year without interruption of service, thanks to the unique intelligent lighting management system developed by our Sunnarchitects. Our products have an autonomy of 2 to 5 nights without any recharge, depending on the configured lighting profile.

Sunna Design’s products are robust (low wind surface, resistance to category 5 cyclones, resistance to saline environments such as seaside) and autonomous (5 days of autonomy, operation in flood-prone/flooded areas, independence from the electrical network), which make them fully functional in extreme climatic areas and/or during natural disasters. In addition, the products operate over a wide temperature range: from -40°C to +70°C.

In addition to meeting all applicable standards, all of our components are carefully selected and their quality is controlled with a drastic test upon receipt. We also ensure compliance with our quality criteria on all our products leaving the factory via a systematic test before shipment. Our “Factory of the Future” is certified ISO 9001 since 2015. This certification defines the requirements for the implementation of a quality management system in order to continuously improve customer satisfaction and provide compliant products and services.

All our components are recyclable or recoverable:

– The solar panel has a very long lifespan. After 25 years, it will produce at least 80% of its initial power. It can therefore still be used, or recycled (currently up to 96%) for the manufacture of new solar panels.

– The NiMH battery does not contain toxic chemicals, unlike lead batteries. It is 98% recyclable. The extraction of nickel allows the manufacture of various materials including stainless steel.

– The cover is made of “ABS PMMA” which makes it totally recyclable

A solar street lamp provides public lighting anywhere, even in isolated areas (non-electrified) that are difficult to connect to the network, and this in a completely autonomous way. During the day, the solar panel converts light into electricity which is stored in the battery. At night, the battery restores the electrical energy to power the LED module and thus light up the area. The autonomous street lamp detects night and day thanks to its solar panel: as long as the solar panel produces electricity, it is daytime; when the solar panel no longer produces electricity for several consecutive minutes, it is nighttime.

Sunna Design offers several lighting profiles allowing precise management of the energy available in the battery. The night is divided into 3 phases: beginning of the night, middle of the night and end of the night. By modulating the lighting intensity over these three periods, Sunna Design street lamps provide you lighting 365 nights a year without any interruption in service during the night.

Our Sunnarchitects assist you in the development of your project. To do so, they carry out various studies (photometry, autonomy, etc.) that allow you to determine the lighting management program that best suits your needs. These studies are conducted according to the specific criteria of your project:

– Project location (GPS coordinates)

–Weather data history

– Type of area to be lit

– Area to be lit (length and width, in the case of a road)

– Desire mast height

– Lighting standards to be followed

– Light levels to be respected

The SunnAPP© application allows you to modify the lighting profile at any time during the use of the product if it is no longer suitable. It offers different available profiles, determined according to your location.

The management of lighting profiles offered by Sunna Design allows to ensure nights without interruption of service (“anti blackout function”), with an autonomy up to 5 days. The system provides 2 days of autonomy in nominal mode, and up to 5 days in economy mode (the luminous flux is gradually reduced to guarantee an uninterrupted service).

Motion detection allows providing more powerful lighting only when needed. Here is an example of a lighting profile offered by Sunna Design:

This feature makes it possible to combine quality, lighting power and autonomy. Sunna Design offers presence detection as an option for iSSL+, iSSL Maxi, UP1 and UP2 products.

Sunna Design solar streetlights have been designed to be installed as easily and quickly as possible thanks to:

– Their all-in-one architecture

– Their battery placed behind the solar panel, at the top of the pole

– A simple fixing system for standard poles

All components are assembled and tested in our factory. Upon receipt of our products, all you have to do is mount them on the pole.

Our solar streetlights are assembled in 5 minutes. Installing a Sunna Design solar street lamp does not require any special technical skills or specific tools. The use of an elevating platform or lifting equipment will facilitate the work but it is not mandatory.

The solar panel needs to receive maximum sunlight. It is therefore important to install the solar street lamps in open areas, avoiding all type of shading (trees, buildings, etc.) or light pollution.

Our Sunnarchitects have developed a quick and simple way to manage your products: the SunnAPP©. This tool assists you during installation and commissioning, but also to optimize the use of the products (management of lighting profiles, real-time monitoring and performance history, monitoring of the operating status of your installation, etc.) and to provide you with any necessary assistance in the analysis and treatment of any malfunction.

No technical maintenance is required on Sunna Design products. The only maintenance required is the cleaning of the solar panel. It is recommended to do it 2 to 5 times a year depending on the place of installation.

Sunna Design offers the option of using tamper-proof screws with a fixing system integrated into the mast to prevent anyone from removing the product. The PV are sealed to the panel which makes it impossible to remove them without breaking them. The NiMH battery can only be used with the SunnaCORE©, making it impossible to use for other applications.

Sunna Design pays particular attention to supporting its customers throughout the use of its products. To this end, the company offers a real service guarantee and therefore provides its own after-sales service on the entire product. In case of failure, Sunna Design brings you a complete technical support on problem detection and resolution manipulations. Depending on the nature of the failure, the repair intervention may be carried out on site by our sales agents or our network of certified partners, or entrusted to our factory.

Sunna Design has also developed a remote management tool: the SunnAPP©. (see “What is the SunnAPP©?”).