Demand-based ventilation

15 July, 2006

Vent-Axia’s Sentinel ventilation system is designed to provide the required level of ventilation in rooms with variable occupancy.

The Sentinel ventilation system from Vent-Axia is designed to provide appropriate ventilation for rooms used by varying numbers of people during the day. The system is triggered by people entering or leaving rooms or by atmospheric conditions in the area. Automatic sensors and controllers manage Sentinel according to the maximum demand of the building zone. The system controls airflow and pressure to maintain air quality within preset limits — including controlling carbon-dioxide levels, temperature, humidity and air quality. Applications include classrooms, meeting rooms and hotel bathrooms. To provide the level of control required, fans are fitted with electronically commutated DC motors. Fan units are available with one or two fans for run and standby and automatic load sharing in high-duty applications. Fan sizes range from 100 to 500 mm, with airflows from 10 to 1200 l/s at pressures up to 650 Pa with backward-curved impellers. Vent-Axia’s commercial project team offers advice on installation and selection, guidance on solutions to meet the requirements of legislation, project management and after-sales support and maintenance.

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