I'm not sure what you have in your MEL, but the Airbus A320 MMEL has this in the (O) procedures.
It looks like two breakers, but in fact it is only one and includes both the ADIRU and AOA. Depending on your specific aircraft, the c/b can be in either position indicated.
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DURING COCKPIT PREPARATION
‐ ADR 2 pb-sw.......................................................... ...................OFF
The F/CTL MAINTENANCE message is displayed on the STATUS SD page.
‐ AIR DATA SWITCHING selector...............................................F/O 3
‐ ADIRS/ADIRU/2/26VAC AND AOA (location 121VU N08 or N09) C/B................................... Pull
AFTER ENGINE START
‐ Use the RCL pb-sw on the ECAM control panel, in order to recall the NAV ADR 2 FAULT alert.
‐ On the EWD, check that the ADR 2...OFF procedure is not displayed.
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