AIRCRAFT OPERATING INSTRUCTIONS
Doc. No. HARMAOIUS
June 01, 2011
7-19
Section 7
Airplane and System
Description
7.15 Supplementary equipment
7.15.1 Ventilation and heating system
Cockpit ventilation is ensured by 2 eye
–
ball vents located on the left
and right of the tip-up canopy frame. Vents are connected to the
NACA scoops through tip-up canopy frame front flaps.
Cockpit heating is provided by air conducted through a hose guided
from a fiberglass collector behind the engine radiator into the heat
exchanger and then into the mixture flap on the firewall and further
through a directional flap to the cockpit floor or to the hot air outputs
through the instrument panel cover as well as into the hollow
spaces of the tip-up frame for defrosting. Hot air quantity is
regulated by the
HOT AIR
knob, cold air quantity is regulated by the
COLD AIR
knob on the instrument panel. Proportion of the cold and
hot air in the heating system can be set continuously. Other knob
below the
HOT AIR
knob serves for air routing to the cockpit floor
or on the canopy glass.
Defog / defrosting of windshield and sides is ensured by hot air
conducted from a cold/hot air mixture flap on the firewall into the tip-
up canopy frame and then through a row of holes onto the glass.
7.16 Navigation and communication equipment
Description of operation of navigation and communication
equipment see Section 9 - Supplements.
Summary of Contents for Harmony LSA
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