R **ON A/C 106-149, 303-399, 401-499,
Item (D) is replaced by amber XX when the related value is transmitted not valid by the SDAC.
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When the generator is off the set voltage/load/frequency is replaced by OFF (in white).
Q. Item 15 - IDG 2 status (low pressure/disconnection)
Case 1 R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 008)
**ON A/C ALL
Under IDG1 or IDG2 an amber message LO PR may be displayed
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
when a low press information is transmitted to the SDAC. R **ON A/C 106-149, 303-399, 401-499,
when a low press information is transmitted to the SDAC, together with an engine running and IDG not disconnected (transmitted valid) **ON A/C ALL
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
Case 2 The amber message DISC is displayed when the related IDG is disconnected as transmitted by the SDAC.
R **ON A/C 106-149, 303-399, 401-499,
Case 2 The amber message DISC is displayed when the related IDG is disconnected as transmitted valid by the SDAC, together with the IDG oil low press valid.
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ELEC Page - Display of the Parameter: IDG STATUS
Figure 008
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Case 3 When this information is not valid or not available from the SDAC nothing is displayed in this area.
R. Item 16 - IDG 2 outlet temperature indication The temperature for the IDG outlet is normally displayed in green. It is displayed flashing when over 147.C. it is displayed in amber when over 180 .C. The display can vary from -99.C to 999.C.
S. Item 17 - External power operation
Case 1
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 009)
**ON A/C ALL
EXT PWR (item A) is displayed when the external power is available, or
the line contactor is on.
It is normally displayed in white. It is displayed in amber when the
voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V -120V. It is displayed in amber when outside this range. The display can
vary from 0 to 999V.
The frequency is displayed in green when inside the range 390Hz - 410Hz.
It is displayed in amber when outside this range. The display can vary
from 0 to 999Hz.
Case 2
STAT INV (item A) is displayed when the static inverter is available, as
correctly received from the FWC bus.
It is normally displayed in white. It is displayed in amber when the
voltage or frequency below is amber.
The voltage (item B) is displayed in green when inside the range 110V -120V. It is displayed in amber when outside this range.
The frequency is displayed in green when inside the range 390Hz - 410Hz.
It is displayed in amber when outside this range.
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ELEC Page - Display of the Parameters: APU GENERATOR, EXTERNAL POWER
Figure 009
R 1EFF : 1 1 1CES 106-149, 303-399, 401-499, 1 111 31-67-24 Page 20 Aug 01/05
Case 3 When the conditions are such that neither the EXT PWR nor the STAT INV has to be displayed, the space concerned remains blank.
T. Item 18 - AC Essential busbar indication
Case 1
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 010)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
The outlined AC ESS indication is displayed in green when the bus is on, as transmitted by the SDAC.
R **ON A/C 106-149, 303-399, 401-499,
The AC ESS indication is displayed in green when the bus is on, as transmitted by the SDAC.
**ON A/C ALL
Case 2
It is displayed in amber when the bus is off.
R **ON A/C 106-149, 303-399, 401-499,
Case 3 It is replaced by amber XX when the bus status is not available from the SDAC.
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
Case 3 It is not displayed (outline empty) when the bus status is not available from the SDAC.
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ELEC Page - Display of the Parameters: AC BUSBARs, AC ESS BUSBARs
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