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User name Jin Huang
Log entry time 17:42:41 on October 9,2010
Entry number 334097
keyword=Open up JT valve of Loop2 (LH2) to 47.8%(+2%)Heater on Loop2 was low (10+Walts). Therefore its JT valve was opened by 2% to increase its coolant supply. Current heater power is around 30W with 10uA beam. Seems good enough for following 10uA beam running.
PS: tried JT valve "step open" couple times before it actually responded. Seems the GUI/software have problem.
FIGURE 1
FIGURE 2
