DIMO Lighting was awarded the project to install, test and commission a lighting management system for the lobby, banquet hall and break-up room in the main building of the new Anantaya Resort & Spa in Chilaw. Equipped with modern audio and video equipment, these facilities can accommodate up-to 300 guests at any given time specifically designed to host special corporate events and meetings. The installed lighting management system by DIMO would give users the ability to control the lighting levels according to the requirements of the occasion while enhancing the beauty of the architectural design structure of the building.

The scope of the project was to provide the required light fittings followed by the commissioning of a lighting management system, using KNX, a network communications protocol used for intelligent buildings and DALI (Digitally Addressable Lighting Interface) compatible devices.

This gives users the ability to control the lighting levels by setting specific scenes to increase the comfort level of occupiers in addition to improving energy efficiency.

Eighty (80) units of Davis fluorescent lights and one hundred and ninety (190) units of Vossloh-Schwabe LED downlights, all of which are DALI compatible, were supplied and installed. The lighting management devices were selected from the Siemens Gamma product range.

The devices included a power supply unit, a USB interface, DALI switching/dimming actuators, DALI electronic control gears (ECGs) and touch screens to choose the necessary lighting scenes. In addition, the switches installed were provided from the Siemens Delta Vega range.

This project was the first lighting management project done by DIMO using the KNX system. These systems are still at its infancy in Sri Lanka and is predicted to be substantially increased in usage and hence, this may well be one of the first such installations in the country.

Note: A DALI network consists of a controller and one or more lighting devices (e.g., electrical ballasts and dimmers) that have DALI interfaces. The controller can monitor and control each light by means of a bi-directional data exchange. The DALI protocol permits devices to be individually addressed and it also incorporates Group and Scene broadcast messages to simultaneously address multiple devices.


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