A Global company ROSENBERG GROUP ROSENBERG VENTILATOREN-ECOFIT-ETRI - - PowerPoint PPT Presentation

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A Global company ROSENBERG GROUP ROSENBERG VENTILATOREN-ECOFIT-ETRI - - PowerPoint PPT Presentation

Aug 21, 2022 234 likes •815 views

A Global company ROSENBERG GROUP ROSENBERG VENTILATOREN-ECOFIT-ETRI FOUNDED IN 1981 WITH HEADQUARTERS IN KUNZELSAU GERMANY 14 PRODUCTION FACILITIES IN EUROPE, ASIA & NORTHAMERICA 45 SALES OFFICES IN ALL CONTINENTS 1400 EMPLOYEES WORLDWIDE

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ROSENBERG GROUP

ROSENBERG VENTILATOREN-ECOFIT-ETRI

FOUNDED IN 1981 WITH HEADQUARTERS IN KUNZELSAU GERMANY 14 PRODUCTION FACILITIES IN EUROPE, ASIA & NORTHAMERICA 45 SALES OFFICES IN ALL CONTINENTS 1400 EMPLOYEES WORLDWIDE

A Global company

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Germany - France - Italy - Czeck Republic - Hungary - Croatia Spain - Turkey - Egypt - China - Singapur - Canada - Mexico

AC & EC MOTORS (EXTERNAL ROTOR MOTORS) FAN IMPELLERS AIR HANDLING & ENERGY RECOVERY UNITS SHEET METAL PARTS AND ACCESORIES CAST ALUMINIUM PARTS

https://www.youtube.com/watch?v=LGYqcm1zMI4

Integrated manufacturer

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14 to 40“ diameter 500 to 19,500 CFM Available with EC or AC MOTOR Low Sound Spectrum Multilple materials and Fin configuration

Axial

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12 to 28“ diameter, backward curved inclined 600 to 11,000 CFM Available with EC or AC motor Factory balanced Multilple materials and configurations

Plug Fans

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7 to 22“ diameter, forward inclined curve Up to 7,000 CFM Available with EC or AC motor Multilple materials and configurations available

Blowers

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Up to 11,000 CFM per fan Built in redundancy Compact and Flexible Retrofit and new designs

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EC FAN GRID

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7

COMPACT & MODULAR DESIGN Unobox

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Our fans are powered by our

  • wn external rotor motor.

5 different sizes available. AC & EC configuration

OUR MOTORS

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What about it?

EC TECHNOLOGY

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INTELLIGENT AND EFFICIENT MOTORS

EC TECHNOLOGY

Information Energy

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COMMITMENT WITH ENERGY WISE SOLUTIONS

EC MOTORS

* According to: DIRECTIVE 2009/125/EC of the European Parliament and of the Council of 21 October 2009

Air is our element… we offer intelligent solutions to move air efficiently no matter whether it is… Requirements which must be fulfilled… by increasing energy efficiency to step up the protection of the environment and the security of the energy supply*…

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EC MOTORS

Electronically Commutated Motor

Commutation means the position-dependent switching of the electric current.

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… move air efficiently… Technology

Source: DC – Motor Wikimedia.org * BDC = Brushed DC Motor, ** BLDC = Brushless DC Motor

AC

BDC

*

EC

No Commutation Mechanical Commutation Electrical Commutation (BLDC**)

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AC Motors

Type of Electrical Motors

14

Squirrel Cage Aluminum Alloy Rotor Winding Stator – Housing Life Time Variable Speed Control Lamination Rotor Flange

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BDC Motors

Types of electric motors

15 Source: DC – Motor Wikimedia.org * BDC = Brushed DC Motor, no Rosenberg product

Stator not shown Winding Commutator Rotor Shaft Variable Speed Control Life Time

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EC Motor

Types of electric motors Permanent Magnets Hall Sensors Rotor Cable Inlet Electronic Stator Windings Variable Speed Control Life Time

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Principles of operation

Technology

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Principles of operation

Technology

18 Source: 1-Cent Coin wikipedia.org * Power Section device opened

Alternating Current Direct Current Motor Voltage Rectifier DC link Inverter
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Principles of operation

Technology

M

U V W + −

M

U V W + −

M

U V W + −

M

U V W + −

M

U V W + −

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Life Time

Technology

Source: VFD danfoss.com

AC EC EC VFD

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Variable Speed Control

Technology

Permanent Magnet Hall-Sensor

Position detection by Hall Sensors: a) Commutation b) Speed Sensing

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22 22

AC EC 50-65 % 70-85 %

> 90 %

1-phase 3-phase

IE4

*

Generation of auxiliary phase Ohmic losses, Slippage Ohmic-, Friction, Magnetic Loses

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The Rosenberg Group 23

All of this in one package

EC-Technology-What is included??? AC-Fan Motor Protection Shielding VFD Power supply

for accessories 10 V & 24 V

Integrated Control Soft-Start PFC / Power filter EMC-Filter

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ROSENBERG’S EC MOTOR FAMILY

EC MOTOR PORTAFOLIO

GD 84 4” GD 112 5” GD 150 6” GD 220 8”

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Rosenberg Group

CONTINUOUSLY IMPROVING AND TESTING TO ACHIEVE AND IMPROVE PERFORMANCE ROSENBERG TESTING & RESEARCH LABORATORY IS TUV CERTIFIED (GERMANY & FRANCE) PERFORMANCE DATA 100% TESTED IN ALL OUR PRODUCTS

Research, Development & Testing

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The Rosenberg Group 26

ROSENBERG FANS EC FAN GRID

RETROFITING OLD AIR HANDLING UNITS

  • EC MOTOR TECHNOLOGY
  • ON DEMAND SPEED PREPARED
  • EASY CONTROL SET UP
  • REDUNDANT
  • ENERGY EFFICIENT
  • LESS FOOTPRINT
  • EASY TO INSTALL AND MAINTAIN
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Theory of Using Fans in Parallel ECFanGrid

Air Flow is multiplied by maintaining the Pressure 2x2 GKHM 500

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Theory of Using Fans in Parallel Théorie d’utilsation de ventilateurs en parallèle

ECFanGrid

Air Flow is multiplied by maintaining the Pressure

3x3 GKHM 355

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Setting at our Certified Testing Laboratory ECFanGrid

3x3 GKHM 355 2x2 GKHM 500

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Benefits of an ECFanGrid vs Single Fan AHU ECFanGrid

Compact & Flexible Ease of Replacement & Maintenance More Uniform Air Distribution Less Low Frequency Noise Integrated Speed Control Easy to Clean Redundancy / High Availability Weight Reduction

Efficiency

Possible Operating Loss Difficult Replacement Maintenance of Belts Variable Frequency Drive Bigger Footprint

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Flexibility ECFanGrid

Quelle: Schere manufac.de

Fits Always

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Flexibility ECFanGrid

Quelle: Schere manufac.de

Fits Always

7 Fans

533 1067 1600 10750 21500 32250 43000

6 Fans

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405

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Compactness ECFanGrid

Save up to 50 % Space!

1.19 2.37 4

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? ? ? ? ? ? ? ? ? ?

36

Retrofit Replacement Issues ECFanGrid

?

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Ease of Installation ECFanGrid

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Ease of Replacement ECFanGrid

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Redundancy – 3x3 ECFanGrid ECFanGrid manually… …automatic

Fail Safe – Emergency Mode Included

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Air Distribution ECFanGrid

High Spot Air Velocities and an Uneven Air Flow …

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Air Distribution ECFanGrid

Less Spot Air Velocity and a more Uniform Air Flow

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Noise ECFanGrid

Less Low Frequency Noises Moins de bruit de basse fréquence

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Easy to Clean ECFanGrid

Easy to Clean, because ground is accessible

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Customer Interface Interface ECFanGrid

https://www.youtube.com/watch?v=psv8jkR1G94

Group Alarm Potential Free

  • r

24 V Speed Control 0-10 V Enable Potential Free

FOR ALL THE FANS TOGETHER

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Wiring Cabinet ECFanGrid

Main Switch Signals 24 V Supply Terminals n Fuses

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Markets ECFanGrid

Retrofit New AHU

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Retrofit KIT

ECFanGrid Adaptive. Fits in all AHU’S. Manufacturer doesn’t matter. Complete. The Kit includes all mechanical parts (Fans, Cabinet, Grid, Screws). Documented. Installation Guide available. Wiring Diagrams available. Mobile. Fits through standard doors and stairways.

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Retrofit Kit – Installation

ECFanGrid

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Retrofit Selection

ECFanGrid

https://www.youtube.com/watch?v=l0H_fne4YMw https://www.youtube.com/watch?v=2u2_evJd5Wg

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The Rosenberg Group

DATE: AUGUST 2013

SCOPE: SUBSTITUTION OF ONE BELT DRIVEN CENTRIFUGAL FAN INSIDE CUSTOM AHU

AIR VOLUME: 14,000 CFM

50

20 HUNTER ST. W. HAMILTON ON.

BELL CANADA – RETROFIT

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The Rosenberg Group Wednesday, November 13, 2013 51

SPACE RESTRICTIONS

SITE OUTLOOK

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The Rosenberg Group Wednesday, November 13, 2013 52

DISADVANTAGES

OLD CENTRIFUGAL BELT DRIVEN FAN

  • SINGLE MOTOR- NO REDUNDANCY
  • BELT DRIVE- EFFICIENCY LOSES &

MAINTAINANCE PROBLEMS

  • SPACE RESTRAINT
  • LONGER NOISE FILTERS
  • NEED OF A VFD TO CONTROL SPEED
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The Rosenberg Group Wednesday, November 13, 2013 53

FAN HANDLING AND ACCESIBILITY

ROSENBERG EC PLUG FAN

  • EASY TO HANDLE INTO THE JOBSITE
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The Rosenberg Group Wednesday, November 13, 2013 54

RETROFITTING WITH EC FANS

NEW EC FAN GRID

  • BUILT IN REDUNDANCY
  • EASE OF CONTROL
  • EASE OF INSTALLATION
  • UNIFORM PROFILE AIR

VELOCITIES

  • NOISE REDUCTION
  • EFFICIENT
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The Rosenberg Group Wednesday, November 13, 2013 55

ENERGY SAVINGS

AIR HANDLING UNIT RETROFIT WITH EC FAN GRID

Existing Fan (1) 79.50 A 14, 000 cfm 22.37 kW Replacement Fan Array (6 fans) 39.40 A 18, 000 cfm 13.34 kW

40% ENERGY SAVINGS (22.37 kW – 13.34 kW) x 365 day/year x 24 h/day x 0.10 $/kW = 7,910 $/year

* Considering constant speed – Variable speed case savings are

significantly higher with shorter payback EC MOTOR = NO VFD

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Questions & Answers ECFanGrid

Flyer, Contact, References, Installation Videos, …

www.ECFanGrid.com

ECFanGrid@rosenberg-gmbh.com