Table 314: Building Mechanical System Variables for Premium Efficiency Motor Calculations Component Type Value Source HP Variable Nameplate EDC Data Gathering Based on logging, panel data or EDC Data Gathering modeling RHRS Variable Default Table 317 From Table 317 Based on spot metering and EDC Data Gathering nameplate LF Variable Default 75% 1 Early Replacement: Nameplate EDC Data Gathering New Construction or Replace on Burnout: Default comparable standard Variable ηbase Table 315 and Table motor. 316 NEMA Premium (See Table 315 and Table 316) Variable Nameplate EDC Data Gathering ηee Single Motor Configuration: 74% CF Variable 1 Duplex Motor Configuration: 37% Sources: California Public Utility Commission. Database for Energy Efficiency Resources 2005. The coincident peak demand period is 12:00 p.m. to 6:00 p.m., weekdays, May – October. Note that the Energy Independence and Security Act of 2007 restates the definition of General Purpose Electric Motors and classifies them as Subtype I or Subtype II. The term Purpose electric motor means any motor that meets the definition ‘General (Subtype I)’ of as established in the final rule issued by the Department of Energy titled ‘General Purpose’ Efficiency Program for Certain Commercial and Industrial Equipment: Test Procedures, “Energy Labeling, and Certification Requirements for Electric CFR 431), as in effect on the Motors” (10 date of enactment of the Energy Independence and Security Act of 2007. The term Purpose electric motor (Subtype means motors incorporating the design ‘General II)’ elements of a general purpose electric motor (Subtype I) that are configured as one of the following: A U-Frame Motor A Design C Motor A close-coupled pump motor A Footless motor
Table 314: Building Mechanical System Variables for Premium Efficiency Motor Calculations Component Type Value Source HP Variable Nameplate EDC Data Gathering RHRS Variable Based on logging, panel data or modeling EDC Data Gathering Default Table 317 From Table 317 LF Variable Based on spot metering and nameplate EDC Data Gathering Default 75% 1 ηbase Variable Early Replacement: Nameplate EDC Data Gathering New Construction or Replace on Burnout: Default comparable standard motor. NEMA Premium (See Table 315 and Table 316) Table 315 and Table 316 ηee Variable Nameplate EDC Data Gathering CF Variable Single Motor Configuration: 74% Duplex Motor Configuration: 37% 1 Sources: California Public Utility Commission. Database for Energy Efficiency Resources 2005. The coincident peak demand period is 12:00 p.m. to 6:00 p.m., weekdays, May – October. Note that the Energy Independence and Security Act of 2007 restates the definition of General Purpose Electric Motors and classifies them as Subtype I or Subtype II. The term ‘General Purpose electric motor (Subtype I)’ means any motor that meets the definition of ‘General Purpose’ as established in the final rule issued by the Department of Energy titled “Energy Efficiency Program for Certain Commercial and Industrial Equipment: Test Procedures, Labeling, and Certification Requirements for Electric Motors” (10 CFR 431), as in effect on the date of enactment of the Energy Independence and Security Act of 2007. The term ‘General Purpose electric motor (Subtype II)’ means motors incorporating the design elements of a general purpose electric motor (Subtype I) that are configured as one of the following: A U-Frame Motor A Design C Motor A close-coupled pump motor A Footless motor
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