ADDITIONAL CENTER TANK (ACT)

[Ratman]

Good morning
My question is in the A300 model there is an AUX button on the fuel panel that is used to manually activate the ADDITIONAL CENTER TANK fuel transfer to the central tank, but in ECAM this auxiliary tank does not appear so I don't know if this button does anything in this model
I verified that on the A310 model this button exists like the auxiliary tanks in the ECAM and the system works correctly