CERN Accelerating science

CCR responsibilites

Besides operation and monitoring of cryoplant and all that entails:

• Cool down - standard sequence: Warm/testing, drifting, 75 K statndby, cooldown to 4.2 K, Cold-standby, cooldown 4.2 to 1.9 K, nominal.
• Green light for powering (i.e. switching power converters on). Presumably this green light will be powerable sector by powerable sector.
• Quench recovery - will be automatic, monitoring progress etc.
• Green light for powering after quench which will include cryo operator's OK
• Monitoring insulation vacuum
• Warm up
• Will not be responsible for monitoring Quench Protection System