14 Mar 2018 | Aeroventic
4.0
EC centrifugal fans with motor enclosures

ebmpapst.com

Cooking contaminates the surrounding air with substances such as grease vapors and combustion gases, and it also generates a lot of heat and moisture. That makes the installation of air-handling units (AHUs) necessary in commercial kitchens in order to extract cooking odors while also supplying fresh air from outside. For this application, ebm-papst has developed a centrifugal fan with an EC motor outside the air flow.

AHUs ensure that the air quality in kitchens and serving areas and throughout dining areas remains hygienically unobjectionable – while also preventing annoying odors.

Special requirements

EC centrifugal fans with motor enclosures - 1Specially optimized for kitchen exhaust: the RadiPac’s motor has been encapsulated away from the air flow. Airborne grease cannot affect it.

 

Fans used in AHUs have to satisfy special requirements. According to VDI guideline 2052, which concerns ventilation systems for kitchens, their motors may not lie directly in the path of air flows bearing particulates. In addition, incoming air must be kept free of contaminants and, according to DIN EN 16282 (Equipment for commercial kitchens - Components for ventilation in commercial kitchens), the fans need to be easily accessible and easy to clean. At the same time, they have to regulate the humidity and temperature in the rooms.

The solution: motor enclosures

ebm-papst has modified its proven RadiPac series of EC centrifugal fans specifically for AHUs in commercial kitchens. In accordance with the guidelines, it removed the motor and the control electronics from the air flow, effectively preventing the buildup of greasy or oily deposits on them. The underpressure prevailing around the fan’s intake causes cool outside air to be drawn in through a hose to cool the EC motor so that the fan and the control unit can reach their full output. For users, that makes planning as reliable as possible thanks to realistic performance data. And the fans are easy to install with plug & play connection.

Intake nozzle for installation on outer walls

An intake nozzle prepared for installation on the outer wall of the AHU is included with the fans, which are supplied in sizes 400, 450 and 560 and will be available in the spring of 2018.

Katrin Lindner 
Trade press coordinator 
Phone: +49 7938 81-7006 
Fax: +49 7938 81-97006 
Katrin.Lindner@de.ebmpapst.com 

ebm-papst Mulfingen GmbH & Co. KG 
Germany 
Bachmühle 2 
74673 Mulfingen
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