ELOG Solenoid

Solenoid logbook

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Entry time:	Wed Jan 15 13:55:10 2025
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> Got pager call at 16:20 this afternoon. Solenoid had tripped on PL > temperature. Arrived at about 17:00. Did a print screen of the striptool > graph and solenoid screen. See files Prtscrn1_april25_2004.doc and > Prtscrn2_april25_2004.doc. System was in idle running mode. LHE heater at > about 30%, buffer tank press at21.5 psig, shield heater at 37.5%. The > jumper is still on the back of the vacuum guage PIC901. The compressor > building backup air compressor was tripped again, I reset it. HIC 141 was > set to 0.46 , I set it to 1.1 (closed position). Set solenoid inlet and > outlet HIC's to valve closed positions. Energized warm return HIC's then > slowly opened warm return valves to vent pressure in solenoid. Cracked open > solenoid inlet valves to get abot 1.5 barA pressure on PI143 and PI146. LHe > level started to drop. Contiued slowly until all LHe boiled away. PI143 and > PI146 at about 5 barA. Had to adjust turbine speeds and shield heat. Opened > cold returns then closed warm returns. Gradually increased solenoid inlet > valves until wide open. Adjust turbine speeds and shiled heater. At about > 21:00 stable // cold return cooling. Temperatures dropping gradually. See > files april25_2004_2113.BMP and april25_2004_2114.BMP > > Have powerlead supply valve HIC142 open to 0.46 during cooling just to see > what happens. Time now about 21:42. Leaving system in // cold return > cooling. Should be ready for series switch over in the morning. Encoding: HTML ELCode plain Suppress Email notification

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