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Devices for Special Applications
Lighting
Introduction
5/4
Siemens ET G1 · 10/2008
5
The image "Potential savings quantified" shows the effect of
presence-dependent light control on energy consumption during
the day.
Potential savings quantified
The reduction in energy costs achieved by using light controls that
are time, daylight and occupancy-dependent is approx. 44 %.
Cost efficiency
The cost-effectiveness can also be expressed in the time it takes
to recoup the investment made in the savings method used. Our
example allows the calculation of a payback period of 3.3 years
if using a light control system with KNX components.
Savings of
44 %
Central OFF
Constant light level control
Presence
I2_15426
100%
18%
17%
9%
Central OFF, constant light level control, presence detector
Central OFF, constant light level control
Payback period: 4.7 years
Savings: 18 %
Additional
costs with bus
Years
Energy costs for
conventional lighting
Energy costs for lighting
with GAMMA instabus
Cost of
conventional
installation
Central OFF
Energy costs for
conventional lighting
Energy costs for lighting
with GAMMA instabus
Payback period: 4.3 years
Savings: 35 %
Years
Years
Energy costs for
conventional lighting
Energy costs for lighting
with GAMMA instabus
Payback period: 3.3 years
Savings: 44 %
Cost of
conventional
installation
Cost of
conventional
installation
Additional
costs with bus
Additional
costs with bus
I2_15427
123 456
123 456
123 456
ET_G1_2009_en.book Seite 4 Freitag, 28. November 2008 9:50 09
© Siemens AG 2008
- Building Management Systems 1
- Related Catalogs Contents 2
- Answers for Infrastructure 7
- Totally Integrated Power 8
- Communication 9
- Products und systems 9
- Siemens ET G1 · 10/2008 10
- Industry 11
- Non-residential buildings 11
- Residential buildings 11
- Quality and the Environment 12
- Our Added Extra 13
- Software at your Services 14
- GAMMA instabus 16
- System Accessories 17
- System Products Counters 17
- GAMMA wave Radio System 17
- New Developments 18
- © Siemens AG 2008 19
- DELTA line 20
- DELTA vita 20
- DELTA miro glass 21
- DELTA miro aluminum 21
- DELTA miro wood 21
- DELTA miro color 21
- DELTA ambiente 22
- Display, Operation 23
- Output Devices 67
- Input Devices 75
- Combination Devices 81
- Lighting 100
- Utilization of Daylight 107
- Introduction 108
- Technical specifications 110
- Output functions 111
- Selection and ordering data 112
- Air-Conditioning 117
- Sensors for HCVA 119
- DELTA profil 122
- DELTA style 122
- Room temperature controllers 123
- Actuators for HCVA 126
- Load Management 133
- 9/2 Introduction 135
- 9/3 Intrusion 135
- 9/4 Leakage 135
- 9/5 Fire 135
- Intrusion 137
- Quick-Assembly Systems 141
- Gateways 147
- Interface Converters 147
- KNX network 150
- KNX/Ethernet 151
- KNX/DALI 153
- KNX/USB 155
- KNX/RS232 157
- KNX/infrared 159
- KNX/KNX radio 162
- KNX/EnOcean 163
- KNX/LOGO! 164
- Field level 165
- Automation 165
- Management 165
- 6AV6643-7AC10-0AA0 166
- KNX/telephone 167
- Physical Sensors 169
- Control and 181
- Automation Devices 181
- Logic modules, scene modules 183
- Time switches and accessories 185
- System Products 193
- Counters 215
- Application Examples 249
- Technical Information 265
- Appendix 271
- Explanations 289
- Catalogs 291
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