Appendix B: Tables Table 5: RTF Lighting Calculator Controls Questions Category Response Options Installed Location Fixture, ceiling, wall Occupancy Sensor Control Strategy Occupancy, vacancy Occupancy Sensor Time Delay Setting Open-ended Bi-Level Switching or Dimming Control Manual, occupancy, photocell, scheduling Strategy Daylight Sensor Switching Stepped (if so, number of stepped levels), continuous Window Orientation North, south, east, west Source: RTF Lighting Protocols Interview Guide Table 6: RTF Lighting Calculator Savings by Control, Building and Space Types Lighting Control Impact Control Applicable Applicable SUTs Type Savings Building Types Fraction (CSF) Manual Light Switch Hours of Use 0% All All Daylight Controls – Fixture Wattage 30% Office, School K-12 Open Office, Classroom Continuous Dimming Daylight Controls – Fixture Wattage 20% Multi-Step Dimming Occupancy Sensor Hours of Use 30% College/University, Classroom, Parking Area Lighting, Garage/Exterior, Occupancy Sensor Hours of Use, 40% Parking Garage, Classroom, Aisle w/ Daylight Sensor – Fixture Wattage School K-12, Lighting Continuous Warehouse Dimming Occupancy Sensor Hours of Use, 35% w/ Daylight Sensor – Fixture Wattage Multi-step Dimming Occupancy Sensor Hours of Use 35% w/ Daylight Sensor – On/Off Operation Bi-Level Lighting Fixture Wattage 35% College/University, Classroom, Stairway Office, School K-12 Source: RTF Lighting Calculator
Appendix B: Tables Table 5: RTF Lighting Calculator Controls Questions Category Response Options Installed Location Fixture, ceiling, wall Occupancy Sensor Control Strategy Occupancy, vacancy Occupancy Sensor Time Delay Setting Open-ended Bi-Level Switching or Dimming Control Strategy Manual, occupancy, photocell, scheduling Daylight Sensor Switching Stepped (if so, number of stepped levels), continuous Window Orientation North, south, east, west Source: RTF Lighting Protocols Interview Guide Table 6: RTF Lighting Calculator Savings by Control, Building and Space Types Lighting Control Type Impact Control Savings Fraction (CSF) Applicable Building Types Applicable SUTs Manual Light Switch Hours of Use 0% All All Daylight Controls – Continuous Dimming Fixture Wattage 30% Office, School K-12 Open Office, Classroom Daylight Controls – Multi-Step Dimming Fixture Wattage 20% Occupancy Sensor Hours of Use 30% College/University, Area Lighting, Parking Garage, School K-12, Warehouse Classroom, Parking Garage/Exterior, Classroom, Aisle Lighting Occupancy Sensor w/ Daylight Sensor – Continuous Dimming Hours of Use, Fixture Wattage 40% Occupancy Sensor w/ Daylight Sensor – Multi-step Dimming Hours of Use, Fixture Wattage 35% Occupancy Sensor w/ Daylight Sensor – On/Off Operation Hours of Use 35% Bi-Level Lighting Fixture Wattage 35% College/University, Office, School K-12 Classroom, Stairway Source: RTF Lighting Calculator