A320 Flight Controls & Cargo Heat

A320 Flight Controls & Cargo Heat
by jerome meriweather

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Flight Deck Photos and/or Graphic Representation

ELAC Switch

ON - Engages the associated elevator and aileron computer.
OFF - Disengages associated computer.
Fault Light - Illuminates amber:
- When a failure is detected
- During ELAC power up test.

SEC 2/3 Switch

FAC Switch

HOT AIR Switch

AUTO - Automatically controls Cargo Heat pressure regulating valve.
OFF - Closes Cargo Heat pressure regulating valve and reset fault circuit.
Fault Light - Illuminates amber when duct overheat is detected and extinguishes when temperature drops and OFF is selected. System then resets with ISOL VALVE switch ON.

AFT ISOL Valve Switch

AUTO - Opens inlet and outlet Isolation valves and activates extraction fan provided there is no smoke detected in the AFT cargo compartment.
OFF - Closes inlet and outlet Isolation valves and turns off extraction fan.
Fault Light - Illuminates amber when either inlet or outlet valve is in disagreement with the selected position.

Temperature Selector
Adjust temperature for AFT Cargo compartment.