VENTILATION UNITS
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VENTILATION UNITS CATALOGUE 2021

About Blauberg Group Electrical Connection Diagram Ventilation Units Backward Curved

Blauberg Group manufactures and sells a complete range of hi-tech energy-efficient ventilation equipment offering a balanced mix of innovative technology, contemporary design and traditional German quality. The group’s main products include domestic fans, single-room ventilation units, heat recovery units, industrial fans and air handling units, parts and accessories for customized system configurations as well as bespoke ventilation solutions. Due to our product diversity, we do our best to meet the ndividual needs of our clients in various countries with i the best combination of price...

Blauberg Motoren was born in Munich, Germany, like own direction of fans and motors manufacturing and integral part of Blauberg Group. Starting with manufacturing AC motors with external rotors for own needs, for now Blauberg Motoren produce wide range of motors and fans with EC and AC technology for clients all around the world. It includes axial fans, backward curved fans, forward curved fans, blowers. We are proud to be presented in products of our clients — world famous manufactures of ventilation, heat, home appliance and other equipment, and be part of their success. For now Blauberg...

FAN MOTORS THE MOTORS ARE POWERED BY DIRECT OR ALTERNATING CURRENT. A direct current motor is powered by a direct power supply. An alternating current motor is powered by an alternating power supply. Alternating current motors are the most widely used motors because the basic electric grid in the country has alternating power supply. ALTERNATING CURRENT MOTORS HAVE TWO TYPES: Synchronous electric motors are alternating current motors with a rotor that rotates synchronously with a magnetic field; Asynchronous electric motors are alternating current motors with the magnetic field frequency...

TYPE KEY AC centrifugal fans AR31-2DN-1.1 A – ventilation unit R – type of impeller series KRR (steel) 31 – Impeller diameter 310 mm 2 – Number of poles (2/4/6/8) D – 400 V 50 Hz (Three–phase motor) N – Standard motor IEC standard 1.1 – motor power (kW) ELECTRICAL CONNECTION DIAGRAM Type D T1 T2 T3

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Frequency [Hz] Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection VENTILATION UNIT

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection VENTILATION UNITS

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection

AC CENTRIFUGAL FAN Features Materials: Impeller – welded sheet steel Frame – aluminium Terminal box – aluminium Direction of rotation: clockwise Type of protection: IP55 Insulation class: 155(F) to 130(B) Mode of operation: S1 Bearing: preloaded bearing DE Motor protection: (A) without (Standard) Technical data Performance Nominal voltage curve [VAC] Sound pressure level [dBA] Electrical connection

Technical changes reserved. Illustrations and texts are non-binding. 03/2021