A320 CH28

1.       OUTER TANK HAS NO PUMP ,FUEL GOES TO INNER VIA INTERCELL VALVE

2.       FOB (FUEL ONBOARD) IND ON FUEL PAGE DUPLICATED IN EWD

3.       EACH REF/DEF VALVE HAS A MAN PLUNGER  TO OPERATE IN ELEC FAIL

4.       FLSCU (FUEL LEVEL SENSING CONT UNIT ) SEND FUEL LEVEL TO FQIC