Containment Vacuum & Leakage Monitoring

Question 1

Start stop setpoints for CV pumps

Answer 1

Starts: +0.1 psi above partial pressure setpoint or switch to hand
Stops: -0.1 below or +0.2 above setpoint, SI, or switch to hand

Question 2

What causes the CV suction trip valves to close?

Answer 2

Phase 1 containment isolation signal