Consulting-Specifying Engineer - February 2009 - (Page 24) Retrofitting controls BY KEN LOVORN, PE, Lovorn Engineering Assoc. Inc., Pittsburgh office lighting Lighting controls have many options, and can save building owners money by reducing electric costs. L 24 ighting controls are becoming popular tools for reduction of energy usage and, thereby, reduction of the electrical utility costs in today’s office environments. While most codes are not retroactive, some building owners opt to go for the obvious energy savings by reducing the total lighting “ON” time, reaping a secondary benefit of positive publicity by showing an interest in having their buildings become more green and, therefore, more attractive to prospective tenants. This article covers control functions and options; it does not cover lighting control protocols, such as Digital Addressable Lighting Interface (DALI). These topics may be covered in a future article. Consulting-Specifying Engineer • FEBRUARY 2009
Table of Contents Feed for the Digital Edition of Consulting-Specifying Engineer - February 2009 Consulting-Specifying Engineer - February 2009 Contents Viewpoint News M/E Roundtable Codes & Standards Electrical Modernization: A Tale of Two Hospitals Retrofitting Office Lighting Controls Case Study New Products Equipment Lifecycles Advertiser Index Green Space Consulting-Specifying Engineer - February 2009 Consulting-Specifying Engineer - February 2009 - (Page BB1) Consulting-Specifying Engineer - February 2009 - (Page BB2) Consulting-Specifying Engineer - February 2009 - Consulting-Specifying Engineer - February 2009 (Page Cover1) Consulting-Specifying Engineer - February 2009 - Consulting-Specifying Engineer - February 2009 (Page Cover2) Consulting-Specifying Engineer - February 2009 - Consulting-Specifying Engineer - February 2009 (Page 1) Consulting-Specifying Engineer - February 2009 - Consulting-Specifying Engineer - February 2009 (Page 2) Consulting-Specifying Engineer - February 2009 - Contents (Page 3) Consulting-Specifying Engineer - February 2009 - Contents (Page 4) Consulting-Specifying Engineer - February 2009 - Viewpoint (Page 5) Consulting-Specifying Engineer - February 2009 - Viewpoint (Page 6) Consulting-Specifying Engineer - February 2009 - News (Page 7) Consulting-Specifying Engineer - February 2009 - News (Page 8) Consulting-Specifying Engineer - February 2009 - News (Page 8a) Consulting-Specifying Engineer - February 2009 - News (Page 8b) Consulting-Specifying Engineer - February 2009 - News (Page 9) Consulting-Specifying Engineer - February 2009 - News (Page 10) Consulting-Specifying Engineer - February 2009 - M/E Roundtable (Page 11) Consulting-Specifying Engineer - February 2009 - M/E Roundtable (Page 12) Consulting-Specifying Engineer - February 2009 - M/E Roundtable (Page 13) Consulting-Specifying Engineer - February 2009 - M/E Roundtable (Page 14) Consulting-Specifying Engineer - February 2009 - M/E Roundtable (Page 15) Consulting-Specifying Engineer - February 2009 - M/E Roundtable (Page 16) Consulting-Specifying Engineer - February 2009 - Codes & Standards (Page 17) Consulting-Specifying Engineer - February 2009 - Electrical Modernization: A Tale of Two Hospitals (Page 18) Consulting-Specifying Engineer - February 2009 - Electrical Modernization: A Tale of Two Hospitals (Page 19) Consulting-Specifying Engineer - February 2009 - Electrical Modernization: A Tale of Two Hospitals (Page 20) Consulting-Specifying Engineer - February 2009 - Electrical Modernization: A Tale of Two Hospitals (Page 21) Consulting-Specifying Engineer - February 2009 - Electrical Modernization: A Tale of Two Hospitals (Page 22) Consulting-Specifying Engineer - February 2009 - Electrical Modernization: A Tale of Two Hospitals (Page 23) Consulting-Specifying Engineer - February 2009 - Retrofitting Office Lighting Controls (Page 24) Consulting-Specifying Engineer - February 2009 - Retrofitting Office Lighting Controls (Page 25) Consulting-Specifying Engineer - February 2009 - Retrofitting Office Lighting Controls (Page 26) Consulting-Specifying Engineer - February 2009 - Retrofitting Office Lighting Controls (Page 27) Consulting-Specifying Engineer - February 2009 - Retrofitting Office Lighting Controls (Page 28) Consulting-Specifying Engineer - February 2009 - Retrofitting Office Lighting Controls (Page 29) Consulting-Specifying Engineer - February 2009 - Case Study (Page 30) Consulting-Specifying Engineer - February 2009 - New Products (Page 31) Consulting-Specifying Engineer - February 2009 - New Products (Page 32) Consulting-Specifying Engineer - February 2009 - New Products (Page 32a) Consulting-Specifying Engineer - February 2009 - New Products (Page 32b) Consulting-Specifying Engineer - February 2009 - Equipment Lifecycles (Page 33) Consulting-Specifying Engineer - February 2009 - Equipment Lifecycles (Page 34) Consulting-Specifying Engineer - February 2009 - Equipment Lifecycles (Page 35) Consulting-Specifying Engineer - February 2009 - Equipment Lifecycles (Page 36) Consulting-Specifying Engineer - February 2009 - Equipment Lifecycles (Page 37) Consulting-Specifying Engineer - February 2009 - Equipment Lifecycles (Page 38) Consulting-Specifying Engineer - February 2009 - Advertiser Index (Page 39) Consulting-Specifying Engineer - February 2009 - Green Space (Page 40) Consulting-Specifying Engineer - February 2009 - Green Space (Page Cover3) Consulting-Specifying Engineer - February 2009 - Green Space (Page Cover4)
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