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E-Jet Series
E-Jet Series
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  • WINDSHIELD HEATING (1) (2) BUTTON
  • ICE PROTECTION ENGINE (1) (2) BUTTON
  • WING ICE PROTECTION BUTTON
  • ICE PROTECTION MODE SELECTOR KNOB
  • ICE PROTECTION TEST SELECTOR KNOB
  1. Systems Guide
  2. Overhead Panel

ICE PROTECTION

PreviousPRESSURIZATIONNextAIR COND / PNEUMATIC

Last updated 1 year ago

WINDSHIELD HEATING (1) (2) BUTTON

PUSH IN: activates the respective windshield heating system. Only operates if there are at least 2 AC electrical sources. If only single AC power source is available only the left windshield heat is powered.

PUSH OUT: Deactivates the respective windshield heating system.

ICE PROTECTION ENGINE (1) (2) BUTTON

PUSH IN: Automatic operation. Engine cowls are heated with high stage bleed from the respective engine.

PUSH OUT: Deactivates the respective engine anti-ice system.

WING ICE PROTECTION BUTTON

PUSH IN: Automatic operation. Allows wing anti-ice protection to operate according to the ice protection mode selector setting or MCDU setting. If 1 bleed air or one engine fails, xbleed valve automatically opens and uses opposite bleed for both wings.

PUSH OUT: Deactivates the wing anti-ice system.

ICE PROTECTION MODE SELECTOR KNOB

AUTO: If an icing condition is detected during flight, the ice detectors command the wing and engine anti-ice valves to open and remain activated for 2 minutes after the icing condition is no longer detected.

  • For taxi out and takeoff, anti-icing operation must be set in the MCDU.

  • For taxi in, mode selector knob must be selected to ON if icing is anticipated or encountered.

ON:

  • Inflight: Overrides system logic, activating the anti-ice system

  • Ground: Activates the anti-ice on the ground.

    • Engine anti-ice whenever an engine is running

    • Wing anti-ice at wheel speed above 40kts

ICE PROTECTION TEST SELECTOR KNOB

OFF: Spring-loaded position. Normal position.

Wing anti-ice system tests itself during flight 10min after takeoff or at 10.000ft AGL, whichever occurs first.

  • EICAS message A-I WING VLV OPEN will be displayed