DOC AIRBUS | AMM A320FPOWER PLANT - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
1. General
The central component of the power plant is the APU. It is installed in a fireproof compartment between FR80 and FR84. The access doors 315AL and 316AR (Ref. AMM D/O 52-42-00-00), which together are the lower compartment wall, permit installation, servicing and removal of the APU.
** ON A/C NOT FOR ALL The central component of the power plant is the APU. It is installed in a fireproof compartment between FR80 and FR84. The access doors 315AL and 316AR (Ref. AMM D/O 52-42-00-00), which together are the lower compartment wall, permit installation, servicing and removal of the APU.
2. Component Location
** ON A/C NOT FOR ALL 
Power Plant - Component Location| FIN | FUNCTIONAL DESIGNATION | PANEL | ZONE | ACCESS DOOR | ATA REF |
|---|---|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||||
| 4005KM | APU | 315 | 71-71-00 | ||
3. System Description
The APU consists of the following subsystems:
The APU consists of the following subsystems:
- APU Mounts (Ref. AMM D/O 49-12-00-00)
- Air Intake System (Ref. AMM D/O 49-16-00-00)
- Power Plant Drain System (Ref. AMM D/O 49-17-00-00)
- Engine (Ref. AMM D/O 49-20-00-00)
- Engine Fuel and Control (Ref. AMM D/O 49-30-00-00)
- Ignition and Starting (Ref. AMM D/O 49-40-00-00)
- Air (Ref. AMM D/O 49-50-00-00)
- Engine Controls (Ref. AMM D/O 49-60-00-00)
- Indicating (Ref. AMM D/O 49-70-00-00)
- Exhaust (Ref. AMM D/O 49-80-00-00)
- Oil (Ref. AMM D/O 49-90-00-00)