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CO2 Integrated Heat Pump Water Heater

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CO2 Integrated Heat Pump Water Heater ( co2-integrated-heat-pump-water-heater )

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HPWH Performance Report 10. Sanden Site Descriptions and Performance 10.1 Rossland Site 1 (Sanden) Observed data: Rossland Site 1 is a 315-litre (83-gallon) Sanden unit for which 468 days of metered data are included in the Winter performance results. This unit performed relatively well over the winter period delivering a COP of 2.62 even with a relatively cold average ambient temperature of 4.9°C [40.8°F] over the 15 months of data. Figure 21 shows the average monthly COP of Rossland Site 1 along with the average ambient air temperature over that month. Site Unit Type Tank Size Beginning Date Ending Date Days of Monitoring Period Data Rossland Site 1 Rossland Site 1 Table 16: Rossland Site 1 Summary Sanden 315 L [83 gal] 11/5/16 2/16/18 Table 17: Rossland Site 1 Variables 4.9°C 102 LPD 52.9°C 2.62 [40.8°F] [27 GPD] [127.1°F] Figure 21: Monthly aCOP Rossland Site 1 468 11.0°C [50.9°F] Site COP Average Ambient Temp Average Water Flow Average Hot Water Temp (°F) Average Inlet Water Temp (°F) 5 4 3 2 1 0 3.99 4.00 July Average Air Temperature 25 20 15 10 5 0 -5 -10 2.66 2.12 2.80 2.47 3.77 3.92 September 2.01 January 2.07 February March April May June COP August October November 1.80 December 3.42 22 COP Air Temperature (°C)

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