A. System FunctionThe windshield anti-ice system keeps the main windshields, in the flight compartment, clear of the ice in all weather conditions.
B. System ComponentsThe primary components of the system are the:
- Four windshield anti-ice inverters (Ref. Fig. 2)
- Four windshield anti-ice controllers (Ref. Fig. 1)
- Two windshield anti-ice switches (Ref. Fig. 1)
- Four windshield heater elements
- Two windshield-heat failure indicators (Ref. Fig. 2)
- Four magnetic indicators
C. System Operation- The four windshield anti-ice inverters and the four windshield anti-ice controllers keep each windshield A panel electrically heated.
- The system is an electro-thermal type which supplier power to the heater elements installed in the windshield A panel. Each windshield A panel has two heater elements which are electrically isolated from each other.