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Innovative natural ventilation control solution launched by SE Controls

26 September 2012

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Maintaining precise control over indoor air quality, temperature and energy consumption are key considerations for buildings using natural ventilation (NV) systems and SE Controls’ new compact NVLogiQ room controller provides an innovative solution to meet these requirements.

Using new control and performance algorithms developed in conjunction with Loughborough University’s Building Energy Research Group, NVLogiQ not only provides advanced monitoring and control of NV systems in individual rooms or zones, but also combines integrated data logging for detailed building performance and environment analysis, offline.

NVLogiQ constantly monitors indoor air quality, temperature and humidity and via separate PSU’s (power supply units) and actuators, automatically manages the operation of windows, louvres and vents within a building’s natural ventilation (NV) system, as well as controlling the heating.

Capable of being used as a stand-alone controller or as a networked solution throughout a building, NVLogiQ is perfectly suited to classrooms, offices and other NV applications that demand a stimulating and comfortable environment.

The NVLogiQ room controller has a compact footprint of just 160mm x 105mm, enabling it to be located almost anywhere within a building, often in close proximity to desks and work areas, allowing the precise monitoring of carbon dioxide (CO2), temperature and humidity to maintain indoor air quality and comfort levels.

In addition, NVLogiQ’s integral data logging capability presents a range of opportunities for consultants, contractors and facilities mangers to not only verify a building’s NV design and performance, but to also enable accurate post occupancy evaluation to be easily undertaken.

SE Controls’ Natural Ventilation Division Manager, Nick Hudleston, explained: “Being able to verify the actual performance of building’s natural ventilation system against the original design specifications and modelling provide consultants with valuable information and data for future projects.”

He added: “Also, for contractors and those responsible for managing the building, the same data can be used for detailed post occupancy analysis, allowing the NV strategy to be ‘tailored’ precisely to the needs of the occupants, while optimising energy efficiency and comfort.”

CO2 temperature and relative humidity readings are continuously displayed on NVLogiQ’s integral LCD screen while a red, amber and green ‘traffic light’ display gives a constant indication of indoor air quality. A manual over-ride capability is also built in to the room controller, allowing staff to temporarily open or close windows, louvres or other ventilation devices.

NVLogiQ’s versatile and powerful control structure has been designed to enable it to be used in a range natural ventilation strategies including cross ventilation and single sided ventilation as well as managing passive ventilation and night purging.

“From the outset, we designed NVLogiQ to provide an unrivalled mix of features, control and precision to help take indoor air quality, comfort and energy management of natural ventilation systems to the next level,” continued Nick Hudleston. “The innovative operating algorithms, integral data logging and the unobtrusive design enables it to address a range of NV control and building management requirements in a highly versatile package.”
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SE Controls’ new training centre hosts international visitors

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Contact Details

No. 120, Ground Floor, Defence Colony, Second Avenue, Chennai - 600032. Tamil Nadu. India
Tel:  +91 44 4850 2034
Email:  SECIN@secontrols.com