THE SEC OND UNIT OF THE V. I. LENIN NUCLEAR POWER STATION, LENINGRAD

For reliable control over the core and for ensuring safety during charging, a temporary control and safety system was used together with the regular control and safety system. It effected control of the neutron flux, the reactivity and emergency shutdown, and it comprised six emergency shutdown rods (scram rods), four manual controls, and also the neutron source actuator with a control switch and a position indicator.