DOC AIRBUS | AMM A320FGALLEY SUPPLY CONTROL - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
1. General
The galley assembly is divided into several parts:
** ON A/C NOT FOR ALL The galley assembly is divided into several parts:
- Aft galley,
- Forward galley.
NOTE: For some more information (Ref. AMM D/O 24-56-00-00).
Furthermore, the galley supply control powers two AC and DC sheddable busbars. 2. Component Location
** ON A/C NOT FOR ALL | FIN | FUNCTIONAL DESIGNATION | PANEL | ZONE | ACCESS DOOR | ATA REF |
|---|---|---|---|---|---|
| ** ON A/C ALL | |||||
| 2XA | P/BSW-ELEC/GALLEY | 35VU | 210 | 24-26-00 | |
3. System Description
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
If the OFF legend of COMMERCIAL pushbutton switch (commercial load shed) is off (pushbutton switch pressed in), galley general supply can be controlled from flight compartment overhead panel 35VU by means of GALLEY pushbutton switch (normal operation when the pushbutton is pressed in).
The galley general supply is controlled from the cockpit ELEC panel 35VU by means of the GALY & CAB pushbutton switch (normal operation when the pushbutton is pressed in).
** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL The galley general supply is controlled from the cockpit ELEC panel 35VU by means of the GALY & CAB pushbutton switch (normal operation when the pushbutton is pressed in).
4. Operation/Control and Indicating
A. Galley Automatic Shedding
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL
If only one generator is available, galley(s) (primary feeders controlled by the relay 6XA) and sheddable busbars (controlled by the relay 10XA) are automatically shedded. White GALLEY SHED indication appears on the ELEC page of the lower ECAM display unit (no light on GALY & CAB pushbutton switch).
Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL Galley Supply Control - Block Diagram ** ON A/C NOT FOR ALL B. Overload detected by a GCU
If an overload is detected:
GALLEY indication is displayed on the lower ECAM DU, STATUS page.
If an overload is detected:
- amber FAULT legend illuminates on GALY & CAB pushbutton switch,
- auto display of the ELEC page on the lower ECAM display unit,
- MASTER CAUT light + single chime + amber message on the upper ECAM display unit confirm the overload.
GALLEY indication is displayed on the lower ECAM DU, STATUS page.
NOTE: On ground, it is possible to supply all galleys:
- either with the APU GEN: If I > 277 A, galleys automatic shedding,
- or with the EXT PWR: without galleys automatic shedding.