Update 2: I added a gas-filter below the turbine to prevent water clogging.
Note: Titanium layers are applied both on the inside and the outside of the chamber, lest negative pressure 'leaks' into the inlet-pipe and fuel-tank, begetting unwanted reactions, which could destroy the plant. However, since INST-cables have to get inside the chamber, some necessary negative pressure may 'leak'. Press '2' to observe the pressure levels and be careful of unwanted negative pressure.
Explanation: The Isotope-Z is loaded into the chamber in 0-pressure. Once it is in, and the valve is closed, negative pressure is then applied. This begets a photonic reaction generating heat. The rapid-heat-conductor, HEAC, transfers the heat to the steam chamber making the secondary coolant evaporate driving turbines. The steam then escapes into the cooling tower (not a real one). A breakable clone automatically refills the reservoir.
Update: I altered the text boxes to be less misleading.