Pilot's Operating Handbook
Section 7
Description
Edition 1 - January 15, 2018
Rev. 0
Page 7.8.4
BATT BUS bar is directly connected to the battery ; it is protected by a fuse, located in
EPS box, and a breaker, located in the front cargo compartment on C2 frame left side.
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NOTE
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The electrical distribution of bus bars is described in figure 7.8.3.
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Emergency use
With both generators de-activated in flight, it is still possible to use battery power to
supply all airplane systems maintaining SOURCE selector on BATT position.
In order to save battery power, it is possible to shed the charges which are not
essential for flight safety, for that set :
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ESS BUS TIE switch to EMER position
In this configuration, only ESS BUS 1, ESS BUS 2 and BATT BUS bars are supplied.
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NOTE
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Supplying BUS 1, BUS 2, BUS 3 and BUS 4 bars is always possible, resetting
temporarily ESS BUS TIE switch to NORM position.
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PIM - DO NOT USE FOR FLIGHT OPERATIONS