john.worden@LIGO.ORG - posted 17:20, Saturday 06 June 2015 - last comment - 17:28, Saturday 06 June 2015(18943)
YEND temperature control
The YEND is having trouble keeping cool in the hot part of the day. We can make adjustments on maintenance day or sooner if needed.
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TJ and I talked on the phone and decided that I should proceed and turn off the remaining heat in the VEA. We will monitor the response tonight. Tomorrow or Tuesday Bubba and I need to lower the chilled water setpoint at YEND. For some reason it is 10F higher than Xend. I thought we had made the site rounds and set all chillers for the spring heating season.