FLIGHT MANUAL
Doc. No. SP2006FMENKT
December 20, 2006
7 - 13
Section 7
Airplane and System
Description
7.13 Electrical system
The airplane is equipped with 14
V
DC electrical installation. A
generator with power of 250 W is the primary source of electrical
energy. The secondary source of energy is the accumulator
12V/16Ah that is located in the engine compartment on the fire wall.
It is used for engine starting and in case of generator failure as an
emergency source of energy and also serves as the smoothing filter
of power system.
DC voltage is distributed to individual systems by main busbar.
Each system is protected by circuit breaker. If overloading of any of
the circuits occurs, then the circuit breaker is pulled out. Circuit
beakers are listed in the Aircraft Maintenance and Inspection
Procedures.
After switching
Master switch
on and by turning the ignition key
to
START
position the starter is activated. The starter is power
supplied from the accumulator before engine start. After engine has
been started and idle RPM reached, generator starts supplying
current into electrical network.
7.13.1 Lighting
Airplane can be equipeed with a external lighting.
External lighting can be composed of position lights and
anticollision beacons which are located in wing tip and landing
headlight which is located in left wing leading edge or in the lower
engine cowling. Position lights are switched by
POS. LIGHTS
switch and anticollision beacon by BEACON switch. Landing
headlight is switched by
LDG LIGHT
(or
REFLECTOR
) switch.
7.13.2 Electrical system scheme
See Aircraft Maintenance and Inspection Procedures -
Supplements.
