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STATE OF CALIFORNIA <br />Mechanical Systems CALIFORNIA ENERGY COMMISSION <br />CERTIFICATE OF COMPLIANCE NRCC-MCH-E <br />Project Name: Orange County Credit Union TI Report Page: (Page 5 of 10) <br />Date Prepared: 2025-10-14T13:44:46-04:00 <br />Generated Date/Time:Documentation Software: Energy Code Ace <br />CA Building Energy Efficiency Standards - 2022 Nonresidential Compliance Report Version: 2022.0.000 <br />Schema Version: rev 20220101 <br />Compliance ID: 336887-1025-0003 <br />Report Generated: 2025-10-14 10:44:55 <br />H. FAN SYSTEMS & AIR ECONOMIZERS <br />2 Low-turndown single-zone VAV fan system must be capable of and configured to reduce airflow to 50 percent of <br />design airflow and use no more than 30 percent of the design wattage at that airflow. No more than 10 percent of the <br />design load served by the equipment shall have fixed loads. <br />3 Fan system allowance includes fan system base allowance. <br />4 Filter pressure loss can only be counted once per fan system. <br />5 Complex Fan System means a fan system that combines a single cabinet fan system with other supply fans, exhaust <br />fans, or both. <br />6 Computer room economizers must meet requirements of 140.9(a) and will be documented on the NRCC-PRC-E <br />document.. <br />H. EXHAUST AIR HEAT RECOVERY 140.4(q), 170.2(c)4O <br />01 02 03 04 05 06 07 08 09 10 11 <br />Fan System <br />Name Qty <br />Hours of <br />Operation per <br />Year <br />Design Supply <br />Airflow Rate <br />Outdoor <br />Airflow <br />% Outdoor Air <br />at Full Design <br />Airflow <br />Exemptions to <br />Exhaust Air <br />Heat Recovery <br />Requirement <br />per 140.4(q) & <br />170.2(c)4O <br />Exhaust Air <br />Heat Recovery <br />140.4(q) & <br />170.2(c)4O <br />Type Of Heat <br />Recovery Rating <br />Required <br />Recovery Ratio <br />Energy <br />Recovery <br />Bypass <br />RTU-2 Supply <br />Fan 1 < 8,000 15,300 2,880 19 No Exemptions <br />Apply Not Required     <br />Fan Energy Index (FEI) <br />01 02 03 <br />Name or Item Tag FEI Exception FEI <br />RTU-2 Fans Variable Air Volume Fan System 0.95