Warwick Digital Laboratory
Working closely with M&E contractor CA Sothers and Hoare Lee Consulting Engineers, SE Controls implemented a natural ventilation system comprising of 165 automatic opening vents and a standalone control system to improve the internal air quality and thermal comfort of the occupants.
SE Controls designed and installed a full stand alone natural ventilation control system, offering local power supplies distributed within the floor voids close to the Automatic Opening Vents to ensure expensive wiring costs are kept to a minimum. SE Controls implemented master controllers, TAC Xenta modules that were programmed with SE Controls ventilation strategy, that operate the OS2’s via a dedicated building LON network.
The master control panels continuously monitor the temperature of each room or zone according to a 7 day, 24 hour schedule. Within each zone if the temperature rises above a prescribed set point, the window and atrium vents will automatically begin to open to ventilate the stale warm air out of the building. The system includes an outside temperature sensor, and wind speed sensor that triggers closure of the windows in higher wind speeds of 8m/s to protect the occupants from draughts and the building from damage, thus maintaining the internal comfort for occupants. Within each zone local manual override key switches were installed to provide occupant control, especially important to ensure occupant acceptance of such a system.
If the building’s heating system becomes active, the vents automatically close via the OS2 controller to maintain the comfort of the internal environment and to reduce the waste of heating energy.
During the summer months a night cooling strategy is implemented that allows the buildings thermal mass to store and circulate cooler night air. This process further reduces the internal daytime temperatures in the building, thus prolonging the duration that is perceived by occupants as comfortable.
Client: Warwick Manufacturing Group
Architect: Edward Cullinan Architects
Specification: Natural ventilation system