Table 341: Refrigerant Charge Correction Calculations Assumptions Term Unit Values Source , Unit capacity for cooling From nameplate EDC Data Gathering , Unit capacity for heating From nameplate EDC Data Gathering EER, Energy Efficiency Ratio. For A/C From nameplate EDC Data Gathering and heat pump units < 65,000 , SEER should be used for cooling savings. Default: See See Table 323 Table 323 From nameplate EDC Data Gathering IEER, Integrated energy efficiency ratio of the baseline unit. Default: See See Table 323 Table 323 From nameplate EDC Data Gathering SEER, Seasonal Energy Efficiency Ratio. For A/C and heat pump units > 65,000 , Default: See EER should be used for cooling savings. See Table 323 Table 323 HSPF, Heating Seasonal Performance From nameplate EDC Data Gathering Factor. For heat pump units > 65,000 , COP should be used for heating savings. Default: See See Table 323 Table 323 From nameplate EDC Data Gathering COP, Coefficient of Performance. For heat pump units < 65,000 , HSPF should None Default: See See Table 323 be used for heating savings. Table 323 , Equivalent Full-Load Hours for Default: See 1 mechanical cooling Table 324 Based on Logging, BMS EDC Data Gathering data or Modeling , Equivalent Full-Load Hours for Heating See Table 326 1 RCF, COP Degradation Factor for Cooling None See Table 342 2 CF, Demand Coincidence Factor Decimal See Table 325 1 1000, convert from watts to kilowatts Conversion Factor 11.3/13, Conversion factor from SEER to None 3 EER, based on average EER of a SEER 13 unit Note: For air-source air conditioners and air-source heat pumps, subtract 0.2 from the required baseline efficiency rating value if unit has heating section other than electric resistance.
Table 341: Refrigerant Charge Correction Calculations Assumptions Term Unit Values Source , Unit capacity for cooling From nameplate EDC Data Gathering , Unit capacity for heating From nameplate EDC Data Gathering EER, Energy Efficiency Ratio. For A/C and heat pump units < 65,000 , SEER should be used for cooling savings. From nameplate EDC Data Gathering Default: See Table 323 See Table 323 IEER, Integrated energy efficiency ratio of the baseline unit. From nameplate EDC Data Gathering Default: See Table 323 See Table 323 SEER, Seasonal Energy Efficiency Ratio. For A/C and heat pump units > 65,000 , EER should be used for cooling savings. From nameplate EDC Data Gathering Default: See Table 323 See Table 323 HSPF, Heating Seasonal Performance Factor. For heat pump units > 65,000 , COP should be used for heating savings. From nameplate EDC Data Gathering Default: See Table 323 See Table 323 COP, Coefficient of Performance. For heat pump units < 65,000 , HSPF should be used for heating savings. None From nameplate EDC Data Gathering Default: See Table 323 See Table 323 , Equivalent Full-Load Hours for mechanical cooling Default: See Table 324 1 Based on Logging, BMS data or Modeling EDC Data Gathering , Equivalent Full-Load Hours for Heating See Table 326 1 RCF, COP Degradation Factor for Cooling None See Table 342 2 CF, Demand Coincidence Factor Decimal See Table 325 1 1000, convert from watts to kilowatts Conversion Factor 11.3/13, Conversion factor from SEER to EER, based on average EER of a SEER 13 unit None 3 Note: For air-source air conditioners and air-source heat pumps, subtract 0.2 from the required baseline efficiency rating value if unit has heating section other than electric resistance.
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