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HPWH Performance Report 11.4 Vancouver Island Site 4 (Rheem) Vancouver Island Site 4 is a 246-L (65 gallon) integrated Rheem unit that performed with an aCOP of 1.73 over 324-day monitoring period with an average ambient air temperature of 16.2°C (61°F) and a daily water draw of 65 litres (17 gallons). The residents of this site went on holiday for 22 days in April of 2017. During this time, there was no water draw and hence no useful work done by the hot water heater. The heat pump still ran to maintain hot water temperature negatively impacting performance. Site Unit Type Tank Size Beginning Date Ending Date Days of Monitoring Period 246-L V. Island Site 4 Rheem [65-gal] 16.2°C V. Island Site 4 1.73 [61°F] 3/30/17 65 LPD [17 GPD] 4/5/17 324 48°C 16°C Site aCOP Average Ambient Air Temp Average Water Flow Average Hot Water Temp Average Inlet Water Temp [119°F] [61°F] Figure 57: Vancouver Island Site 4 Monthly Performance Estimated Energy Savings: Table 47: Vancouver Island Site 4 Energy Savings 3 2 1 0.85 0.86 2.61 2.44 2.53 25 20 15 10 5 2.22 2.19 2.21 1.89 1.67 1.16 0.86 00 January February March April May June July August September October November December COP Average Air Temperature Site aCOP Water Heating Load Delivered kWh/day [kBtu/day] Calculated Baseline Energy (kWh) Rheem Energy (kWh) Energy Savings (kWh) % Savings V. Island Site 4 1.73 2 [8] 1,019 522 497 49% 63 COP Ambient Air Temperature (°C)PDF Image | CO2 Integrated Heat Pump Water Heater
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
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