I'm sure that the -200 and -300 are the same. So...
L and R systems the reservoirs contain 28 Ltrs and there is 7.6 Ltrs remaining below stack pipe level.
Centre Sys. the reservoir contains 41.7 Ltrs and there is 4.5 Ltrs remaining below stack pipe level.
And JFI. For the L and R systems the stack pipe supplies the EDP, the ACMP being fed from the bottom of the tank.
For the Centre sys ACMP 2, both ADP's and the RAT are fed from the stack pipe. ACMP 1 being fed from the bottom of the tank.