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Event Year 9 2019 11 13 15 17 19 Month Jun 4 M&V Observation System drained to facilitate pipe leak repair Event Cause Pipe leak Resolution Pipe repaired Control board replaced on HPWH1. HPWH1 operated for a few hours and then was idle again. Resolved connection issues, and data began logging again within 1 day Mechanical contractor cleaned strainer and power cycled equipment – resolution to Event 14 Building maintenance staff cleaned strainer and power cycled equipment – resolution to Event 16 Building maintenance staff cleaned strainer and power cycled equipment – resolution to Event 18 10 2019 2019 Jun 18 Jul 17 Nov 6 Site visit to address non-stop flow through the system HPWH1 operable again HPWH1 entered idle status HPWH1 entered idle status A valve was overlooked when the water was turned back on after the leak repair See Event 7 Error code - low flow / high entering water temperature Adjusted valve, so that normal flow resumed 2019 Jun 28 12 Maintenance visit. Visit to address history of repeated idle periods for HPWH1. 2019 Building maintenance staff power cycled the equipment so it resumed operation – resolution to Event 7 2019 Aug 1 14 2019 Sep 19 Energy monitoring data outage Remote connection to data communication protocols interrupted Issue detected and mechanical contractor alerted 16 2019 Oct 14 HPWH1 operable again See Event 14 Unknown error code‡ – see Event 17 Issue detected and building maintenance alerted 2019 Nov 18 18 2019 2019 Dec 6 Dec 9 HPWH1 operable again HPWH1 entered idle status See Event 16 Unknown error code‡ – see Event 19 Issue detected and building maintenance alerted HPWH1 operable again See Event 18 BONNEVILLE POWER ADMINISTRATION 26PDF Image | CO2 Heat Pump Water Heater Multifamily Retrofit
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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
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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