Pilot's Operating Handbook
Section 7
Description
Edition 0 - March 05, 2019
Rev. 1
Page 7.9.2
Stand-by generator
Stand-by generator supplies a 28-volt stand-by direct current which may be used in
case of main generator failure.
Generator connection with main bus bar is controlled through GENERATOR selector
set to ST-BY, it will be effective when connection conditions are met.
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NOTE
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Stand-by generator will not supply airplane if source switch is on GPU.
In order to prevent possible errors during flight, access to ST-BY position
requires a double action from the pilot (pull to unlock). On ground, avoid using
stand-by generator at full load.
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Battery
The battery provides the power required for starting when no ground power unit is
available and is a power supply source when engine driven generators are stopped.
The battery is always connected to BATT BUS bus bar except when crash lever is
pulled down.
Battery connection to main bus bar is controlled through SOURCE selector set to
BATT position.
BAT OFF
lights on when battery is isolated from the main bus and when main bus is
supplied through another source.
Ground power receptacle
The ground power receptacle allows connection to a ground power unit.
Ground power receptacle connection with main bus bar is controlled through
SOURCE selector when set to GPU position, it will be effective when connection
conditions are met.
When SOURCE selector is set to GPU position, the battery and ground power unit are
connected simultaneously on main bus bar.
PIM - DO NOT USE FOR FLIGHT OPERATIONS