___________________________________________________________________
1. "CAB PRESS Page"
________________
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 001)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 002)
**ON A/C ALL
As shown on the following figure the CAB PRESS page includes:
Item 1
-
the cabin differential pressure, also displayed on the CRUISE page (Ref.
31-67-00)
Item 2
-
the cabin vertical speed, also displayed on the CRUISE page (Ref.
31-67-00)
Item 3
-
the landing field elevation indication, also displayed on the CRUISE page Item 4
-
the cabin altitude, also displayed on the CRUISE page (Ref. 31-67-00) Item 5 and 7
-
the active system indication and mode
Item 6
-
the Safety Valves indication
Item 8 and 13
-
the PACK 1(2) indication
-
the flow control indications from the packs (triangles)
Item 9
-
the outflow valves indications
Item 10
-
the Extract Valve indication
Item 11
-
the VENT Indication
Item 12
-
the INLET Valve indication
Item 13
-refer to item 8
The symbols related to these indications are described hereafter:
1EFF : ALL 1 31-67-21Page 1 1 1 Aug 01/05 1 1 1CES 1
CAB PRESS Page - Display of the parameters 1 to 14
Figure 001
R 1EFF : 106-149, 303-399, 401-499, 1 31-67-21Page 2 1 1 Aug 01/05 1 1 1CES 1
CAB PRESS Page - Display of the parameters 1 to 13
Figure 002
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 31-67-21Page 3 1201-299, 301-302, 1May 01/05 1 1 1CES 1
A. Cabin Differential Pressure (delta P)
Item 1
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 001)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 002)
**ON A/C ALL
(1) The needle and delta P digital value are normally green. (case 1)
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 003)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 004)
**ON A/C ALL
(2)
Case 2 the needle and the digital value are green in the range -0.4 to 8.5 PSI. The digital value is green and pulsing in the range:
1.5 < delta P < 8.5 PSI
and A/C in final approach.
It stops pulsing when the value drops below 1 PSI.
(case 2)
(3)
They become amber when:
delta P analog value < minus 0.4 PSI
or 8.5 PSI < delta P analog value
(case 3)
1EFF : ALL 1 31-67-21Page 4 1 1 Aug 01/05 1 1 1CES 1
CAB PRESS Page - Display of the parameter: CABIN DIFFERENTIAL PRESSURE
Figure 003
R 1EFF : 1 1 1CES 106-149, 303-399, 401-499, 1 111 31-67-21 Page 5 Aug 01/05
CAB PRESS Page - Display of the parameter: CABIN DIFFERENTIAL PRESSURE
Figure 004
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 Page 631-67-21
1201-299, 301-302, 1 May 01/05
1 1
1CES 1
(4) If delta P is not available:
-
the digital value is replaced by amber XX
-
the needle goes out of view.
(case 4)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(5) delta P range the delta P value can vary from -9.9 to 31.9 PSI in 0.1 PSI steps.
R **ON A/C 106-149, 303-399, 401-499,
(5) delta P range the delta P value can vary from -9.9 to 9.9 PSI in 0.1 PSI steps, for the digital value and from -1 PSI to 9 PSI for the analog value (needle position).
**ON A/C ALL
B. Cabin Vertical Speed
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 005)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 006)
**ON A/C ALL
(1)
(case 1) The needle and V/S digital value are normally green.
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