Definition of Terms N = Number of motors replaced Wbase = Input wattage of existing/baseline evaporator fan motor Wee = Input wattage of new energy efficient evaporator fan motor LF = Load factor of evaporator fan motor DCEvapCool = Duty cycle of evaporator fan motor for cooler DCEvapFreeze = Duty cycle of evaporator fan motor for freezer DG = Degradation factor of compressor COP COPcooler = Coefficient of performance of compressor in the cooler COPfreezer = Coefficient of performance of compressor in the freezer PctCooler = Percentage of coolers in stores vs. total of freezers and coolers 8760 = Hours per year Table 335: Variables for High-Efficiency Evaporator Fan Motor Variable Type Value Source Default Table 336 Wbase Variable Nameplate Input Wattage EDC Data Gathering Default Table 336 Wee Variable Nameplate Input Wattage EDC Data Gathering LF Fixed 0.9 1 DCEvapCool Fixed 100% 2 DCEvapFreeze Fixed 94.4% 2 DG Fixed 0.98 3 COPcooler Fixed 2.5 1 COPfreezer Fixed 1.3 1 PctCooler Fixed 68% 4 Sources: PSC of Wisconsin, Focus on Energy Evaluation, Business Programs: Deemed Savings Manual V1.0, p. 4-103 to 4-106.
Definition of Terms N = Number of motors replaced Wbase = Input wattage of existing/baseline evaporator fan motor Wee = Input wattage of new energy efficient evaporator fan motor LF = Load factor of evaporator fan motor DCEvapCool = Duty cycle of evaporator fan motor for cooler DCEvapFreeze = Duty cycle of evaporator fan motor for freezer DG = Degradation factor of compressor COP COPcooler = Coefficient of performance of compressor in the cooler COPfreezer = Coefficient of performance of compressor in the freezer PctCooler = Percentage of coolers in stores vs. total of freezers and coolers 8760 = Hours per year Table 335: Variables for High-Efficiency Evaporator Fan Motor Variable Type Value Source Wbase Variable Default Table 336 Nameplate Input Wattage EDC Data Gathering Wee Variable Default Table 336 Nameplate Input Wattage EDC Data Gathering LF Fixed 0.9 1 DCEvapCool Fixed 100% 2 DCEvapFreeze Fixed 94.4% 2 DG Fixed 0.98 3 COPcooler Fixed 2.5 1 COPfreezer Fixed 1.3 1 PctCooler Fixed 68% 4 Sources: PSC of Wisconsin, Focus on Energy Evaluation, Business Programs: Deemed Savings Manual V1.0, p. 4-103 to 4-106.
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