SAVING ENERGY AND THE ENVIRONMENT

INTELLIGENT LIGHTING DESIGN AND CONTROL

Intelligent Environments that SIMPLY Respond

ECOsystems puts the emphasis on the practical implementation of building automation and regularly works with engineering consultants and architects to complete successful upgrades and/or new developments.

As systems integrators, ECOsystems integrates an existing BMS with the C-Bus lighting management system to provide one system to control the total development. We call this integration our Energy Automation System (EAS).

C-Bus is a comprehensive lighting control system, which includes switches, touch screens, relays and sensors.

By integrating two systems at a very deep level, we can manage all plant and lighting in a commercial building through a single interface.

INTEGRATED EXAMPLES

Walker/C-Bus Integration

McDonald's Head Office (now 57 Wellington Street, Auckland)

In a 2004 project, an 18 month old 5 storey office building in Auckland was retrofitted with our EAS including integrated control of all heating, cooling, lighting and hot water. We installed daylight sensors (which dim the lights when there is sufficient daylight to reduce energy costs) and Passive Infrared (PIR) sensors (which turn lights on when someone walks into the zone and off again after detecting no movement). Not only is the comfort and security of the building better than ever, the energy savings will pay for the project in around 3 years.

This integration has won us a number of Energy Wise Awards.

See Projects for a summary of a few of our additional commercial projects.

Whether your project calls for an integrated system, only C-Bus or a building management system, we would be pleased to help you.

C-Bus/DALI Integration

Conservation House, Department of Conservation Head Office

ECOsystems Limited was commissioned to achieve maximum energy savings through the use of energy efficient practices, smart lighting technology and a Clipsal C-Bus system interface.

Daylight Harvesting

ECOsystems utilized natural daylight coming in through the windows on Willis and Manners Streets as well as the light coming in from the two atriums. Every desk on the office floor has a component of natural daylight and at any stage during the day; the lights in each area dim to achieve energy savings. Light level sensors placed strategically on the floors read the level of natural light coming in and adjust the amount of light the DALI light fittings emit to maintain a suitable light level on the desks to minimise energy wastage. In addition to maintaining the light levels, ECOsystems also placed numerous occupancy detectors in all the office and common areas. The occupancy detectors, when triggered, will turn on the lights in the occupancy area as well as contributing to common area lights. A pre-determined time after the sensing no occupancy, the lights are turned off to save energy.

DALI Lighting Control

A major challenge faced was that the dimming areas and occupancy areas were not the same; in fact they ran perpendicular to each other. This meant that any standard dimming or occupancy control could not be used. ECOsystems used a Clipsal C-Bus DALI gateway to talk to the DALI light fittings. This meant that each light fitting could be addressed and treated as an independent light circuit without having to run a separate cable to the switchboard.

ECOsystems developed and tested a logic module within the C-Bus unit that enabled complete control of the light fittings. By employing this logic control, ECOsystems were able turn on the fittings to the correct light level when triggered by the occupancy detectors. Without the use of C-Bus logic there would have been no other way to achieve the degree of control that was required.

C-Bus Interface

In addition to light level control, the C-Bus system is interfaced into the security, fire and BMS systems. Based on occupancy levels, the C-Bus system will control the air conditioning in the respective areas achieving further energy savings. There is also the facility to extend the system to control presentation and conferencing equipment.

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ECOsystems Limited, Level 2, 17 Raroa Road, Lower Hutt, NEW ZEALAND