Systemair VEF - 1 - EC fan 1(125 mm) extract & 1(125 mm) exhaust connection

Main features: Compact extract unit for easy installation in many positions Energy efficient EC motors 100% speed controlled with 0-10V signal Cooker hoods to control the Cupboard fans are available Demand control ventilation available with the external sensors Insulated casing for low noise level Easy to access the internal components for inspection and service Cupboard EC fans come in three versions with insulated casing manufactured from galvanized steel. Installation in any mounting position is possible and fans can be regulated between 0 to 10V with the built-in potentiometer or with the 2 different controllers either On/off, 3 step or 0-10V. You can also connect either C02 or RH% sensor(s) directly to the cupboard fan. The sensor will then automatically control the fan speed depending on indoor environment. This setup called "demand control ventilation" gives not only a good indoor air quality regulation but also a higher energy class - B. There are also three variants of Systemair cooker hoods for d...