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Ventilation Units - ZeroBox Twin

Ventilation Units - ZeroBox Twin
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Ventilation boxes of very low noise level. With two centrifugal fans of high performance.

ZeroBox ® Twin General description A complete range of centrifugal ventilation units of very low noise level, solid, versatile and easy to mount. Designed to satisfy the most demanding up-to date installations. To make the installation easier there are available a wide range of accessories: ﬂexible gaskets, shutters, grills, circular and rectangular hoppers, dampers, duct silencers, electrical heating, ﬁltering modules and special accessories on request. Casing made of galvanised sheet steel with a 50 mm layer of mineral wool, that insulates from noise and external temperature. impellers,...

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Controller The CM-2 is a controller designed for ventilation installations which, the lack of air can cause an important problem. The system is based on the use of two fans; one of them is operating while the other one is on standby (A and B). It works by detecting electric current or the air ﬂow that the motor produces while working. If one motor fails a signal goes to the controller, to turn on the reserve motor. With the aim of balancing the decline of power of both motors, the option exists for making them work in alternate mode on cycles of the same duration, from four minutes to 24...

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