Originally Posted by
vilas
There is no checklist but ECAM which doesn't even tell you to start the APU leave alone using bleed. One live Engine is capable of all air-conditioning loads and also single bleed two pack operation. The APU is started for electrics so in case the only generator fails you don't land up in ELEC EMER. APU bleed is only used in case of overweight landing to provide better gradient, again not necessary you can just switch off the pack in approach.
The use of APU Bleed is mentioned in the Engine Shut Down checklist towards the end.