A320 CH24

1. OIL OUT TEMP OF APU SENT TO ECB
2. EMER GEN IS 3 PHASE 5KVA IS IN W/W DRIVEN BY BLUE HYD
3. STATIC INV IS 1 PHASE
4. TR’S HAS 200A OUTPUT
5. STATIC INV HAS 1KVA OUTPUT
6. 4XP (AC ESS BUS) NORMALLY POWERED BY AC BUS 1
7. RAT EXT DONE BY BAT POWER
8. TR #2 POWERED FROM EXT POWER WHEN MAINT BUS AND FROM AC BUS 2 WHEN EXT POWER ON
9. 6PP (DC GND/FLT  BUS) POWERED FROM TR 2 IN MAINT BUS AND FROM DC BUS 2 IN EXT POWER ON
10. IF TR2 FAIL 6PP AUTO SUPPLY BY TR1
11. YELLOW CB MEANS WE HAVE TO PULL THEM IN BAT ONLY
12. 4PP (DC ESS BUS) NORMALLY POWERED BY 3PP (DC BAT BUS)  AND ESS TR IF BOTH TR’S FAIL  AND BATT2 IN EMER GEN OR ESS TR FAIL
13. IF EMER GEN FAIL , GCU OFF THE EXCITE FIELD , GLC AND SOL VALVE
14. IN ESS TR FAIL  RAT & EMER GEN FAULT COMES ON 
15. RAT EXT SOL SUP BY HOT BUS1 BUT AFTER DELAY FROM PMG OF CSM/G
16. CSM VALVE SOL SUP BY BAT2
17. DC BAT BUS NORMALLY POWERED BY DC BUS 1(1PP)
18. AC ESS SHED BUS (8XP) AND DC SHED BUS ARE DISCONNECTED IN EMER GEN FAIL
19. ESS TR POWERS  DC ESS BUS POWERED BY EMER GEN 
20. ESS TR POWERED BY AC ESS BUS & EMER GEN
21. MAIN GALLEY SHED IN SINGLE ENG AND IF NOT AUTO SHED BTC LOCKOUT INHIBITED TO ALLOW GALLEY SW SELECT OFF
22. GLC (GEN LINE CONT) IS IN COCKPIT
23. THERE IS 6HOLE CT IN FWD CARGO AND 3 HOLE CT IN IDG TO ENSURE CONTINUITY
24. IDG OIL COOLER BYPASS VLV OPEN IF OIL TEMP < 40°C AND
1. 140°C : ADVISORY
2. 185°C : MASTER CAUTION
3. 200°C : THERMAL DISCON AND IDG MUST REPLACED
25. EMER GEN IS CSMG (CONSTANT SPEED MOTOR GEN)
26. GAPCU (GND & AUX  POWER CONT  UNIT) CONTROLS APU AND EXT GEN
27. GPCU IN CLASSIC VER REPLACED BY GAPCU
28. GAPCU HAS PTC (POSITIVE COEFFICIENT TEMP) LIGHT ON IN SHORT CIRCUIT  DET
29. GAPCU HAS IMR (INTERLOCK MONITOR RELAY) WHICH INTERLOCKS VOLTAGE  BETWEEN 13 AND 42VDC
30. GCR (GEN CONT RELAY & PRR  (POWER READY RELAY) TRIPPED IF POR (POINT OF REGULATION) REACH:
1. >130V OR <101
2. 435HZ
3. 50A
31. LGCIU SENDS SIG TO GAPCU TO ENABLE COMMUNICATION BETWEEN GCU & GAPCU & CFDIU
32. COMMERCIAL  SW OFF THEN :

a.       CABIN & CARGO LIT’S OFF

b.      WATER & TOILET SYS INOP

c.       DRAIN MAST HEAT INOP

d.      GALLEY OFF

e.      ENTERTAINMENT OFF

27. IF APU OVER LOAD THEN BOTH GALLEY AUTO SHED
28. IF IDG OVERLOAD IT MUST MANUALLY SHED
29. 2 EGIU (ELECT GEN INTERFACE UNIT) CONVERT ANALOG TO ARINC FOR SDAC
30. EACH EGIU HAS 2 CHANNEL:

a.       CH1 FOR OWN SIDE GCU

b.      CH2 FOR APU OR EXT PWR (EGIU1 CONN TO EXT PWR)

31. DURING START BATT2 THEN PMG SUPP THE CSMG
32. RAT AUTO EXT IF AC BUS1 & 2 LOST AND A/S>100KTS
33. EMER GEN INOP<100KNT SO INV SUPP THE ESS BUS UNTIL 50 KNT
34. BELOW 100 KNT DC ESS BUS SUP BY BAT2
35. BELOW 50 KNT AC ESS OFF
36. STATIC INV SUPP BY HOT BAT1
37. IF EMER GEN FAIL ESS BUS’S ARE SUPP BY BAT 2 & STATIC INV
38. IF EMER GEN FAIL BCL (BAT CHARGE LIMIT) SENDS SIG TO ILLUM THE FAULT LIGHT OF EMER GEN
39. BCL FUNC : 
1. CONTROL BAT CONTACTORS
2. RAT & EMER GEN FAULT CONT
3. STATIC INV MONITORING
4. INHIBITION OF APU START SEQUENCE
40. TO TEST STAT INV PUSH EMER GEN TEST P/B WHICH SIMULATES 50 KNT (NO HYD NEEDED)
41. AC ESS FEED FAULT LIT ON WHEN DOES NOT FEED SO IT MUST SW TO ALTERNATE(AC BUS2)
42. IF GEN1 LINE SMOKE( AT EMER  PWR PNL) ILLUM THEN MUST OFF THE LINE (GLC1 OPENED)
43. WHEN GEN1 LINE P/B OUT , GCU RESET
44. THERE ARE 2 BAT 26.5VDC,23AH,NI-CAD
45. GEN ’S PRIORITY:

1.       OWN SIDE GEN

2.       EXT PWR

3.       APU

4.       OPPOSITE SIDE GEN

42. GCU MONITORS IN & OUT OIL TEMP OF IDG BUT SHOWN ONLY OIL OUT  TEMP ON ECAM
43. IF OUT TEMP FAIL GCU ADDS A NOMINAL VALUE
44. PMG IS ON IDG DIFF OUTPUT GEAR
45. FILTER CLOG POP OUT IF ΔP>50 PSI
46. STATIC INV RUN WHEN
1. APU START TO SUPP FUEL PUMP
2. GEN START ON BAT FOR IGN
3. EMER CONFIG
47. EMER GEN IS IN W/W AND ITS GCU IN L/H AV BAY
48. IDG HAS HYD SERVO VALVE FOR CONTROL FRQ CONT BY GCU REFERENCE FRQ SIG
49. INV FAULTS ARE SENT TO BCL TO MEMORIZE AND DISPLAY ON ECAM
50. IDG DISCONNECTION INHIBITED WHEN ENG NOT RUN(FROM OIL LOW PRESS)
51. TR'S ARE PROTECTED AGAINST OVER HEAT AND MINIMUM CURRENT
52. TR2 MIN CURRENT DETECTION INHIBITED WHEN AC & DC GND/FLT BUS POWERED BY EXTERNAL POWER 
53. EMER GEN TEST P/B CAUSE INVERTER AND  EMER GEN TEST AND BECOME INLINE
54. RAT & EMER GEN P/B CAUSE ACTIVATION OF BOTH EVEN IN GND AND COLD CONDITION 
55. INVERTER INDICATION AVAIL ONLY IN ITS OPERATION 
56. STATIC INVERTER OPERATES IN :
1. APU START TO SUP FUEL PUMP
2. ENG START ON BAT
3. RAT EXTENSION
4. EMER CONFIG 
57.  
58. DC BAT BUS CAN SUP BY BOTH BAT 
59. WHEN ENG START RUN EXCITER FIELD REDUCED INSIDE OF GCU
60. IDG FAULT INDICATED IF OVERHEAT &  LOW OIL PRESS
61. WHEN PARALLEL FEEDERS OPEN GCR AND GLC OPEN
62. ZONE1 FAULT CAUSE GEN OFF BUT FAULT IN  ZONE2 : ALSO AC BUS WILL OFF 
63. DIFF PROTECTION RESET BY ENG P/B (MAX 2 TIMES)
64. PMR (PIN MONITOR RELAY) MONITORS EXT PWR RECEPTACLE VOLTAGE
65. GPCU POWERED IN GND FROM GND CART AND DC BAT BUS 
66. IF  ANY TR FAIL  OTHER TR REPLACED FOR DC BUS BUT DC ESS TRANSFERRED TO ESS TR (FROM DC BAT BUS) 
67. TR'S CAN  RESET FROM MCDU AND A P/B IN AV BAY
68. BAT FAULT IF THERMAL RUNAWAY AND INTERNAL SHORT CIRCUIT  
69. IN EMER CONFIG WHEN APU STARTS BAT BUS CONN TO BAT'S
70. APU START INHIBITED IF EMER CONFIG IF L/G EXT OR BEFORE CSM COUPLE (OR AFTER 45S)
71. ON GND IF BAT BELOW 22V IT ISOLATED
72. ON BAT REFUEL IS POSSIBLE FOR 10MIN IF REF ON BAT NOT SELECTED (NO PWR AVAIL)
73. TO AVOID COMPLETE LOSS OF FUEL PUMPS  SUPP IN SMOKE, GEN 1 LINE P/B IS RELEASED OUT TO OPEN GLC1. BUT GEN 1 IS STILL EXCITED AND SUPPLIES FUEL PUMPS  1LH AND 1RH.