Ramped CP4 LLCV in 5% increments, every 5 minutes, until it reached 100% full (39% to 63% open). 

Note:  generated alarm in CDS due to overfilling

Attached is a snap of the exhaust flow and pressure as LLCV ramped.

I lowered the fill set point from 92% to 88% and and will redo experiment once CP ramps down to 88%.