R 1EFF : 301-399, 1 28-46-00Page 7 1 1 May 01/04 1 1 1CES 1
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF. -------------------------------------------------------------------------------
R 28QJ2 SENSOR-HIGH LVL, RIGHT WING SURGE TK 640 650CB 28-46-16
R CHANNEL A
R 29QJ1 SENSOR-TEMP, LEFT WING TK INNER 540 540AB 28-46-17
R CHANNEL A
R 29QJ2 SENSOR-TEMP, RIGHT WING TK INNER 640 640AB 28-46-17
R CHANNEL A
R 38QJ1 SENSOR-LOW LEVEL, LEFT WING TK INNER 540 540AB 28-46-19
R CHANNEL A
R 38QJ2 SENSOR-LOW LEVEL, RIGHT WING TK 640 640AB 28-46-19
R INNER CHANNEL A
R 39QJ1 SENSOR-LOW LVL (750KG), L WING TANK 540 540AB 28-46-15
R CHANNEL A
R 39QJ2 SENSOR-LOW LVL (750KG), R WING TANK 640 640AB 28-46-15
R CHANNEL A
R 40QJ1 SENSOR-LOW LVL (1500KG), L WING TANK 540 540AB 28-46-15
R CHANNEL A
R 40QJ2 SENSOR-LOW LVL (1500KG), R WING TANK 640 640AB 28-46-15
R CHANNEL A
R 1EFF : 301-399, 1 28-46-00Page 8 1 1 May 01/04 1 1 1CES 1 **ON A/C ALL
3. System Description
__________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 001)
**ON A/C 301-399,
(Ref. Fig. 001A)
**ON A/C ALL
A. Fuel-Level Sensors
The tank level sensing system has sensors which are installed in the tanks as follows:
(1) High Level Sensors: - one in each wing tank 17QJ1 (17QJ2) - one in the center tank 20QJ The high level sensors are installed near the top of each fuel tank. The FLSCUs use signal conditioning to independently monitor the high level sensors. When the high level sensor in a fuel tank becomes wet, the FLSCUs will give a discrete output to:
-close the related refuel valve
-cause the related HI LVL light to come on at the refuel panel (Ref. 28-25-00).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(2) Low Level Sensors:
-three in each wing tank for 750kg (1700lb) fuel levels, 15QJ1 (15QJ2), 16QJ1 (16QJ2) and 39QJ1 (39QJ2)
-two in the center tank for 130kg (290lb) fuel levels 21QJ and 22QJ. The low level sensors in the LH wing tank are installed as follows:
-750kg (1653lb) low level sensors. When the two sensors 16QJ1 and 39QJ1 or the sensor 15QJ1 are continuously dry for 30 seconds the FLSCUs send a fuel low level warning to the ECAM.
The low level sensors in the RH wing tank are installed as follows:
1EFF : ALL 1 28-46-00Page 9 1 1 Aug 01/05 1 1 1CES 1
-750kg (1653lb) low level sensors. When the two sensors 15QJ2 and 39QJ2 or the sensor 16QJ2 are continuously dry for 30 seconds the FLSCUs send a fuel low level warning to the ECAM.
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