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Pilot's Operating Handbook
Section 7
Description
Edition 0 - October 31, 2013
Rev. 6
Page 7.9.5
CAS messages
are displayed in the MFD CAS window :
-
BLEED TEMP
indicates that an overtemperature was detected by either the
Bleed Temperature Switch (BTSW) or the Overheat Thermal Switch (OTSW).
-
BLEED OFF
indicates that either the BLEED switch is in OFF position or that
a system malfunction was detected by the GASC. The Flow Control and Shut
Off Valve (FCSOV) is automatically closed in flight if either a cabin inlet
overtemperature, or a BDPS or FCSOV failure is detected.
-
BLEED OFF
is displayed 45 seconds after landing if a fault on the Overheat
Thermal Switch was detected by the GASC during flight.
-
CABIN ALTITUDE
indicates that the cabin altitude is over 10000 ft.
-
CABIN DIFF PRESS
indicates that the cabin differential pressure is
over 6.4 psi (441 mb). The DUMP switch could be used in case of necessity to
depressurize the cabin.
-
CPCS BACKUP MODE
indicates that the GASC cannot compute optimal
cabin altitude due to a system malfunction. Under this condition, the GASC will
control the cabin altitude to 9800 ft default value.
-
MAX DIFF MODE
indicates that the PRES MODE switch is set to MAX DIFF.
Protection - Safety
Cabin is automatically depressurized as soon as the airplane is on ground through
landing gear switches (airplane on ground) or, if necessary, by actuating DUMP
switch located on ECS panel (in normal operation, this switch is protected and locked
by a cover).
Overpressure and negative relief safety are managed by both OFV and SFV. The
safety functions are ensured by independent pneumatic modules fitted on both
valves, which override the GASC control when necessary.
The DUMP switch allows the pilot to open the OFV in order to depressurize the cabin.
The OFV is fitted with a cabin altitude limitation device which overrides the DUMP
function and forces the closure of the OFV if the cabin altitude reaches 14500 ft.
PIM - DO NOT USE FOR FLIGHT OPERATIONS