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www.siemens.com/SED2 Answers for infrastructure.

SED2 variable speed drives –

for simple, energy-saving

HVAC operation

Controlling equipment with high power consumption

with minimum maintenance and operation costs

Answers for infrastructure.

Megatrends driving the future ■

The megatrends – demographic change,

urbanization, climate change and glo-

bali zation – are shaping the world today.

These have an unprecedented impact

on our lives and on vital sectors of our

economy.

Innovative technologies to answer ■

the associated toughest questions

Throughout a 160-year history of pro-

ven research and engineering talent,

with more than 50,000 active patents,

Siemens has continuously provided its

customers with innovations in the ar eas

of healthcare, energy, industry and in-

frastructure – globally and locally.

Increase productivity and efﬁ ciency ■

through complete building life cycle

management

Building Technologies offers intelligent

integrated solutions for industry, com-

mercial and residential buildings and

public infrastructure. Over the entire

fa cility’s life cycle, our comprehensive

and environmentally conscious port -

fo lio of products, systems, solutions and

ser v ices in the ﬁ elds of electrical instal -

la tion technology, building automation,

ﬁ re safety and electronic security,

ensures the:

– optimum comfort and highest energy

efﬁ ciency in buildings,

– safety and security for people,

processes and assets,

– increased business productivity.

The information in this document contains general descriptions of technical options available,

which do not always have to be present in individual cases. The required features should therefore

be speciﬁed in each individual case at the time of closing the contract.

All third-party products shown are trademarks of their respective companies.

Siemens Switzerland Ltd

Industry Sector

Building Technologies Division

International Headquarters

Gubelstrasse 22

6301 Zug

Switzerland

Tel +41 41 724 24 24

Siemens Building Technologies

Industry Sector

Brunel House

Sir William Siemens Square, Frimley

Camberley

Surrey, GU16 8QD

United Kingdom

Tel +44 1276 696000

Siemens Ltd

Industry Sector

Building Technologies Division

Units 1006-10

10/F, China Resources Building

26 Harbour Road

Wanchai, Hong Kong

Tel +852 2870 7888

Summary of content (6 pages)

PAGE 1
Answers for infrastructure. ■ Megatrends driving the future The megatrends – demographic change, urbanization, climate change and globalization – are shaping the world today. These have an unprecedented impact on our lives and on vital sectors of our economy.
PAGE 2
■■ Secure investment thanks to convincing performance SED2 variable speed drives offer highest investment protection, thanks to their high reliability, long life cycle, and exceptional simplicity. For example, the bypass function assures operation of fans or pumps even in case of a failure. Minimized mains harmonics prolong the life cycle. Free accessibility and easy exchange of components enable quick, cost-efficient maintenance. Standardized modules for all SED2 reduce costs for logistics and storing.
PAGE 3
THDI (%) Energy Consumption Ventilation % 100 100 Outlet Damper 80 No filtering more than 120% 60 50 Energy Saving Area with 3% line reactor with 5% line reactor with DC link choke 40 SED2 Variable Speed Drive 20 0 50 100 Volume Flow % 0 Typical 6-pulse VSD Typical speed-torque characteristic of a variable torque pump or fan Comparison of THDI (Total Harmonic Distortion Current) – overall harmonic power distortion Saving costs with less energy consumption and high efficiency ■■ Energy-savi
PAGE 4
Frame size FSA IP20 Frame size FSB/C IP20 Frame size FSA/B/C IP20 Frame size FSD/E IP20 Frame size FSF IP20 Overview of SED2 products ■■ Variable speed drives for all requirements SED2 variable speed drives are available in different designs and sizes. The power range of the IP20 devices ranges from 0.37 kW to 90 kW. The IP54 designs range from 1.10 kW to 90 kW.
PAGE 5
SED2 variable speed drives – all the features you could want for HVAC applications Onboard kWh meter 1 8 The SED2 variable speed drives have an integrated kWh meter that is displayed via the keypad. The meter can be reset to start metering predefined by the user. Direct connection of an LG-Ni 1000 sensor for temperature control The BOP included as standard is fully removable and interchangeable with all frame sizes.
PAGE 6
Application examples Demand-controlled fans Energy-efficient realization of customerspecific demands: Air quality sensors, controllers as well as the know-how from Siemens guarantee an on-demand operation of your ventilation system. The fans are controlled exactly to the actual demand of fresh air. Thus, cost and energy savings of up to 60% are possible. N1 M1 AQ T F1 T B1 M1 T LON I/F module TXI1.