R 1EFF : 106-149, 303-399, 401-499, 1 31-67-24Page 22 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL
When the bus is shed as transmitted by the SDAC, a SHED amber message is
displayed under the bus symbol rectangle.
The space for SHED is blank if the bus is not shed, or when the
information is not available from the SDAC.
R **ON A/C 106-149, 303-399, 401-499,
U. Item 20 - APU Generator operation
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
V. Item 19 - APU Generator operation
**ON A/C ALL
Case 1
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 009)
**ON A/C ALL
APU GEN is displayed in white with the space below empty, when the APU is in the standby mode: the APU/MASTER SW P/BSW is OFF (information from the SDAC) and the APU is not available (information from the ECB via the SDAC) or in an unknown status. Case 2 APU GEN (item A) is displayed in white when the values below are all displayed in green. It is displayed in amber when at least one of the parameter below is amber. The load (item B) is displayed in green. It is displayed in amber when there is an overload. The display can vary from 0 to 999%. The voltage (item C) is displayed in green when inside the range 110V -120V. It is displayed in amber when outside this range. The voltage can vary from 0 to 999V. The frequency (item D) 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.
1EFF : ALL 1 31-67-24Page 23 1 1 Aug 01/05 1 1 1CES 1
Case 3
APU GEN (item A) is displayed in amber when the APU P/B SW is OFF.
OFF (item E) is displayed underneath in white.
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
W. Item 20 - IDG 2 outlet temperature
Refer to item 16 as the same principles apply.
R **ON A/C 106-149, 303-399, 401-499,
X. Item 21 - IDG 2 outlet temperature
Refer to item 16 as the same principles apply.
**ON A/C ALL
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
Y. Item 21 - Galley Shed message
R **ON A/C 106-149, 303-399, 401-499,
Z. Item 19 - Galley Shed message
**ON A/C ALL
This message is displayed in white when the information: main galley shed is valid as transmitted by the SDAC, it is not displayed when the information is not valid or when it is not correctly transmitted by the SDAC.
AA. Item 22 - IDG 1 operation (low pressure/disconnection)
Refer to item 15 as the same principles apply.
AB. Item 23 - Generator 1 operation
Refer to item 14 as the same principles apply.
AC. Item 24 - AC Busbar 1 indication
Refer to item 13 as the same principles apply.
1EFF : ALL 1 31-67-24Page 24 1 1 Aug 01/05 1 1 1CES 1
AD. Item 25 - Essential TR supply indication This link is displayed in green when the AD ESS BUS contactor (15XE1) is on, with the EMER GEN line contactor off (relays 12XE and 2XE are off).
AE. Item 26 - Essential TR operation
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 006)
**ON A/C ALL
The title ESS TR (item A)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 007)
**ON A/C ALL
is normally displayed in white, except when the voltage and current below are displayed in amber, then the title is also displayed in amber. Item B The voltage is normally displayed in green. It is displayed in amber when outside the range 25V - 31V. The voltage is replaced by amber XX, when not correctly transmitted by the SDAC. The display can vary from 0 to 99V. Item C The current is normally displayed in green. It is displayed in amber when below 5A. The current is replaced by amber XX, when not correctly transmitted by the SDAC. The display can vary from 0 to 999A. When the ESS TR contactor is off (3PE not energized) and the EMER GEN line contactor also off (12XE and 2XE not energized) the space for the voltage and current remain blank and the title ESS TR is white.
1EFF : ALL 1 31-67-24Page 25 1 1 Aug 01/05 1 1 1CES 1
2. ELEC Page links
_______________
A. DC Links
Item (1)
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 011)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 012)
**ON A/C ALL
TR1 to DC1 busbar connection
This link is displayed in green when thr TR1 contactor is ON (5PU1
energized).
It is not displayed when the contactor is OFF, or when the information is
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