Systems Guide

A318/A319/A320/A321

Professional

SYSTEMS

Systems guide

Vol

04-03-49

11 July 2018

OVERHEAD PANEL

TK PUMPS (push button switch), pump the fuel from the wing tanks to the engines.

• ON Pump is energized

• OFF Pump is deactivated

• FAULT When the delivery pressure drops FAULT will be lit in amber, suppressed when OFF

setting is selected

CTR TK XFR (push button switch), pump the fuel from the center tank to the wing tanks

• ON XFR valve is open when MODE selector is in MANual mode

• OFF XFR valve is closed

• FAULT Lit in amber in case of wing tank overflow

MODE SEL (push button switch),

• AUTO Center tank XFR is automatic, open when wing tanks are not full, closed when center

tank is empty

• MAN Center tank XFR is manually controlled with CTR TK XFRpush button switches

• FAULT Lit in amber when:

o Centre tank has more than 250 KG (550 LB) of fuel and the right or left-wing tanks less

than 5000 KG (11000LB). The fault indicates a problem with the fuel transfer or an

incorrect fuel loading

o The MODE selector has been set to MANual

X FEED (push button switch)

• OFF Valve closed, no light

• ON Valve opens, white ON illuminated

• OPEN Green OPEN illuminated

ECAM FUEL SYSTEM DISPLAY