AEROPRAKT-22LS Pilot Operating Handbook
A22LS-POH-04
39
the instrument panel). The fuses are required to protect the electrical system and consumers
from short circuit and must be of appropriate type and size.
MASTER switch controls power supplies of all onboard consumers (except for the engine
ignition system and consumers with their own built-in power source, e.g. GPS) together with
the electrical switches for separate consumers. The engine ignition system may be switched
ON/OFF only with the ignition switches.
Electrical system wiring depends on the electrical equipment/instruments installed in the
aircraft and therefore has main and additional (optional) portions. The respective wiring
diagrams are shown on