Design & Engineering Services Demand Control Ventilation for Commercial Kitchen Hoods ET 07.10 Report Prepared by: Design & Engineering Services Customer Service Business Unit Southern California Edison June 30, 2009 Demand Control Ventilation for Commercial Kitchen Hoods ET 07.10 Acknowledgements Southern California Edison’s Design & Engineering Services (D&ES) group is responsible for this project. It was developed as part of Southern California Edison’s Emerging Technology program under internal project number ET 07.10. D&ES project manager Angelo Rivera conducted this technology evaluation with overall guidance and management from Paul Delaney. For more information on this project, contact [email protected]. Disclaimer This report was prepared by Southern California Edison (SCE) and funded by California utility customers under the auspices of the California Public Utilities Commission. Reproduction or distribution of the whole or any part of the contents of this document without the express written permission of SCE is prohibited. This work was performed with reasonable care and in accordance with professional standards. However, neither SCE nor any entity performing the work pursuant to SCE’s authority make any warranty or representation, expressed or implied, with regard to this report, the merchantability or fitness for a particular purpose of the results of the work, or any analyses, or conclusions contained in this report. The results reflected in the work are generally representative of operating conditions; however, the results in any other situation may vary depending upon particular operating conditions. Southern California Edison Design & Engineering Services June 2009 Demand Control Ventilation for Commercial Kitchen Hoods ET 07.10 ABBREVIATIONS AND ACRONYMS MUA Make-Up Air cfm Cubic Feet Per Minute DCV Demand Control Ventilation HVAC Heating Ventilation and Air Conditioning IR Infrared MDL Micro Data Loggers CT Current Transducers FLA Full Load Amps hp Horse Power SF Supply Fan Southern California Edison Page i Design & Engineering Services June 2009 Demand Control Ventilation for Commercial Kitchen Hoods ET 07.10 FIGURES Figure 1 Commercial Kitchen Exhaust Hood Styles1 ..........................4 Figure 2 Commercial Kitchen MUA Configuration types2 ...................5 Figure 3 Melink Intelli-HOOD HARDWARE (Courtesy of Melink®).........7 Figure 4 Melink Intelli-Hood Heat and Smoke Detection (Courtesy of Melink®) .................................................................8 Figure 5 Monitoring Equipment Installation ................................... 10 Figure 6 Typical Demand Usage for EF 160 at Desert Springs Marriott ................................................................... 18 Figure 7 Typical Demand Usage for EF 8 at The Westin Mission Hills . 20 Figure 8 Typical Demand Usage for EF 1,2,3 at El Pollo Loco............ 22 Figure 9 Typical Demand Usage for EF 1 at Panda Express .............. 24 Figure 10 Typical Demand Usage fro EF 1 at Farmer Boys ............... 26 Figure 11 Desert Springs Marriott Hood 1 System A ....................... 28 Figure 12 Desert Springs Marriott Hood 2 System A ....................... 29 Figure 13 Desert Springs Marriott Hood 3 System A ....................... 29 Figure 14 Desert Springs Marriott Hood 1 System B ....................... 30 Figure 15 Desert Springs Marriott Hood 2 System B ....................... 30 Figure 16 Desert Springs Marriott Hood 3 System B ....................... 31 Figure 17 Typical Demand Usage for EF 159 at Desert Springs Marriott ................................................................... 31 Figure 18 Typical Demand Usage for EF 161 at Desert Springs Marriott ................................................................... 32 Figure 19 Typical Demand Usage for EF 162 at Desert Springs Marriott ................................................................... 32 Figure 20 Typical Demand Usage for EF 163 at Desert Springs Marriot..................................................................... 33 Figure 21 Typical Demand Usage for EF 164 at Desert Springs Marriott ................................................................... 33 Figure 22 Westin Mission Hills Hood 1 .......................................... 34 Figure 23 Westin Mission Hills Hood 2 .......................................... 35 Figure 24 Westin Mission Hills Hood 3 .......................................... 36 Figure 25 Typical Demand Usage for EF 7 at Westin Mission Hills ..... 36 Figure 26 Typical Demand Usage for EF 9 at Westin Mission Hills ..... 37 Figure 27 Typical Demand Usage for EF 10 / MUA at Westin Mission Hills......................................................................... 37 Figure 28 Typical Demand Usage for SF 2 at Westin Mission Hills ..... 38 Southern California Edison Page ii Design & Engineering Services June 2009 Demand Control Ventilation for Commercial Kitchen Hoods ET 07.10 Figure 29 Typical Demand Usage for SF 3 at Westin Mission Hills ..... 38 Figure 30 El Pollo Loco Hood 1 .................................................... 39 Figure 31 El Pollo Loco Hood 2 .................................................... 40 Figure 32 Typical Demand Usage for MUA at El Pollo Loco ............... 40 Figure 33 Panda Express Hood 1 ................................................. 41 Figure 34 Panda Express Hood 2 ................................................. 42 Figure 35 Typical Demand Usage for EF 2 / MUA at Panda Express ... 42 Figure 36 Farmer Boys Hood 1 .................................................... 43 Figure 37 Farmer Boys Hood 2 .................................................... 44 Figure 38 Farmer Boys Hood 3 .................................................... 45 Figure 39 Typical Demand Usage for EF 1 at Farmer boys ............... 45 Figure 40 Typical Demand Usage for EF 2 at Farmer Boys ............... 46 TABLES Table 1 Overall Field Evaluation Results..........................................2 Table 2 Overall Field Evaluation Results For All Sites ...................... 15 Table 3 Desert Springs Marriott Exhaust Fan Results ...................... 16 Table 4 Desert Springs Marriott MUA Results................................. 17 Table 5 Westin Mission Hills Results ............................................. 19 Table 6 El Pollo Loco Results ....................................................... 21 Table 7 Panda Express Results .................................................... 23 Table 8 Farmer Boys Results....................................................... 25 EQUATIONS Equation 1 Percentage Average kW Reduction ............................... 14 Equation 2 Average Daily Operational Hours ................................. 14 Southern California Edison Page iii Design & Engineering Services June 2009 Demand Control Ventilation for Commercial Kitchen Hoods ET 07.10 CONTENTS EXECUTIVE SUMMARY _______________________________________________ 1 INTRODUCTION ____________________________________________________ 3 Objective ..............................................................................3 CONFIGURATIONS _________________________________________________ 4 Baseline................................................................................5 Demand Control Ventilation System..........................................6 Hardware .........................................................................6 Controls...........................................................................7 APPROACH_______________________________________________________ 9 Monitoring Equipment .............................................................9 TEST SITE DESCRIPTIONS_____________________________________________ 11 Desert Springs Marriott ......................................................... 11 Westin Mission Hills .............................................................. 12 El Pollo Loco ........................................................................ 12 Panda Express ..................................................................... 12 Farmer Boys........................................................................ 13 RESULTS AND DISCUSSION___________________________________________ 14 Desert Springs Marriott ......................................................... 15 Westin Mission Hills .............................................................. 18 El Pollo Loco ........................................................................ 20 Panda Express ..................................................................... 23 Farmer Boys........................................................................ 25 CONCLUSIONS ___________________________________________________ 27 Recommendations................................................................ 27 APPENDIX A – DESERT SPRINGS MARRIOTT ______________________________ 28 Kitchen Hood Description.................................................. 28 APPENDIX B – WESTIN MISSION HILLS__________________________________ 34 Kitchen Hood Description.................................................. 34 APPENDIX C – EL POLLO LOCO ______________________________________ 39 Southern California Edison Page iv Design & Engineering Services June 2009 Demand Control Ventilation for Commercial Kitchen Hoods ET 07.10 Kitchen Hood Description.................................................. 39 APPENDIX D – PANDA EXPRESS ______________________________________ 41 Kitchen Hood Description.................................................