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Scope <br />ECM‐2 <br />Pre Retrofit Source Post Retrofit Source <br />Supply Airflow, Cfm 47000 Model number 47000 Submittal <br />% Ventilation 20% Assumption 10%Submittal <br />Setback Ventilation 0% <br />Heating Setpoint 70 Assumption 70 Assumption <br />Average Heating Return Air Temperature 72 Assumption 72 Assumption <br />Heating Setpoint Setback Assumption 68 Assumption <br />Average Heating Return Air Temperature Setback Assumption 66 Assumption <br />Heating Hours Cutoff (Heating used below this tempera 70 Assumption 70 Assumption <br />Heating Efficiency 85% Assumption 90% <br />Cooling Hours Cutoff 72 75 Energy Code <br />Cooling Setpoint 72 75 <br />Cooling Return Air Temp 74 77 <br />Cooling Return Air Relative Humidity 60% Assumption 60%Assumption <br />Cooling Setpoint Setback 77 <br />Cooling Return Air Temp Setback 79 <br />Chiller Tonnage 135 Nameplate 160 Cutsheet <br />Chiller IPLV  kW/ton 0.815 cutsheet with 10% derate for age 0.749 Cutsheet <br />CHW Pump Motor HP 0 None existing 2 Assumption <br />CW Pump Motor HP 0 None existing 2 Assumption <br />CHW Pump Load Factor 100%100% <br />CW Pump Load Factor 100%100% <br />Pump Efficiency 95%95% <br />Avg. Pump Speed 100%100% <br />Fan Horsepower 75 Assumption 75 Cutsheet <br />Average Fan Speed 100%100% <br />Average Fan Load Factor 100%100% <br />Average Fan Efficiency 86%Assumption 86%Assumption <br />Average Fan Speed‐Unoccupied 100%75% <br />Average Fan Load Factor‐Unoccupied 100%75% <br />Heat Recovery System Efficiency, Heating, % =60% Assumption <br />Heat Recovery System Efficiency, % =60% Assumption <br />ERV Hp 0.2 Assumption <br />ERV Avg Fan Speed 100% Assumption <br />ERV Load Factor 100.0% Assumption <br />ERV Fan Efficiency 86.0% Assumption <br />Natural gas Therms 6497.38 <br />Electric Savings ‐53410.63 <br />Savings <br />South Bend MPAC <br />Replace DX AHU‐1 with new unit and new VAV controls <br />AHU‐1 Upgrade <br />Inputs