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BLEED valve is displayed cross-line amber to
indicate disagreement.
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Abnormal Operation 61/62
Conversely, if the X BLEED valve should fail to
close in automatic mode, i.g. after the APU BLEED
has been switched off, it is displayed in-line amber
accompanied by an ECAM caution.
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Accordingly, the engine bleed valves and the HP valves are
displayed amber, if their position disagrees with the normal
position.
NEXT
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EXIT
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EENNGGIINNEE11BBLLEEEEDDFFAAUULLTT
EENNGG11BBLLEEEEDDFFAAUULLTT++WWIINNGGAA//IIOONN
VVAARRIIOOUUSSAABBNNOORRMMAALLIINNDDIICCAATTIIOONNSS
LLEEFFTTWWIINNGGLLEEAAKK
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Normal Operation 3/62
You are in the Preliminary Cockpit
Preparation phase.
To better illustrate what occurs
in the pneumatic system, select the
ECAM BLEED page using the
ECAM control panel.
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You are in the Preliminary Cockpit
Preparation phase.
No. Press the BLEED key on the
Ecam Control Panel.
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You are in the Preliminary Cockpit
Preparation phase.
No. Press the BLEED key on the
Ecam Control Panel.
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Normal Operation 6/62
Let’s talk about the indications on
the ECAM BLEED page...
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Normal Operation 7/62
The engine identification numbers
are displayed amber because the
engines are not running.
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Normal Operation 9/62
During preliminary cockpit
preparation all white lights must be
extinguished.
With the ENG BLEED pb sw in the
lights out position, the bleed valves are
automatically controlled by the system.
Observe the symbology on the
ECAM. The bleed valves are cross-line
green because they are fully closed.
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Normal Operation 10/62
The HP valves are also
automatically controlled by the
system. They are displayed crossline
green to indicate that they are
fully closed.
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Normal Operation 11/62
The bleed temperature is
displayed in green.
The bleed pressure is displayed in
amber because there is no pressure
supplied.
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Normal Operation 12/62
The GND HP connection
indication is always displayed in
green when the aircraft is on the
ground whether the GND unit is
connected or not.
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Normal Operation 13/62
You also have to check that the X
BLEED selector is in AUTO position.
Observe the indication on the
ECAM.
The X BLEED valve is displayed
cross-line green because it is
automatically closed by the system.
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Normal Operation 14/62
Since the APU BLEED pb sw is
selected off, the APU BLEED valve is
displayed cross-line green,
indicating that it is closed.
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Normal Operation 15/62
The next step during Cockpit
Preparation is to switch the APU
BLEED on. We have already started
the APU for you.
Swiittcchh APU BLLEED oonn !!
Note : Do not use APU BLEED if
GND HP air is connected.
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The next step during Cockpit
Preparation is to switch the APU
BLEED on. We have already started
the APU for you.
Noo,, Prreessss tthhee APU BLLEED ppbb ssw !!
PNEUMATIC MENU Normal Operation 17/62
The next step during Cockpit
Preparation is to switch the APU
BLEED on. We have already started
the APU for you.
Noo,, Prreessss tthhee APU BLLEED ppbb ssw !!
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Normal Operation 22/62
Observe the indications :
• the APU BLEED valve is displayed in-line
green indicating it is now open
• the left side bleed pressure and temperature
are displayed in green because they are in normal
range
• the X-BLEED valve is automatically opened :
it is displayed amber during transit and in-line
green when fully open
• the right side bleed pressure and temperature
are displayed in green
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Normal Operation 23/62
As you have learned in the APU
chapter, the memo APU BLEED is
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空客a320飞机概述2(81)
