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TMUIC9E01-P02 LEVEL 3
EFFECTIVITY 30-45-00 Page 5
Aug 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
EFFECTIVITY Page 101
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TMUIC9E01 LEVEL 3
EFFECTIVITY 30-45-00 Page 6
Aug 31/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
EFFECTIVITY Page 102
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30 - ICE AND RAIN PROTECTION
30-71-00 DRAIN MAST ICE PROTECTION SYSTEM
PRESENTATION
General
Control Supply
Users
Control Unit
Monitoring
Test
Self Examination
TMUICEJ02 LEVEL 1
EFFECTIVITY 30-71-00 Page 1
May 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
EFFECTIVITY Page 103
ALL
DRAIN MAST ICE PROTECTION SYSTEM
PRESENTATION
GENERAL
The waste water from the galley and lavatory
compartment wash basins is dumped overboard through
drain masts.
CONTROL SUPPLY
To protect drain masts against ice formation,
electrical heating, through an automatically
controlled system, is provided when the aircraft is
electrically supplied.
USERS
The flexible heater foil, bonded on the drain mast
tube, is temperature regulated via a sensor and powered
by the drain mast heating Control Unit.
The AC POWER supply line, within the drain mast, is
provided with a thermal switch opening at 57°C (135°F).
It will regulate the temperature in case of normal
temperature control failure.
CONTROL UNIT
The Control Unit regulates the temperature of the drain
mast tube. The correct operation of the system is
monitored by the BITE function of the Control Unit.
Each Control Unit regulates the heating temperature
of the associated drain mast tube between 5°C (40°F)
and 15°C (59°F).
MONITORING
The system status is sent to the Cabin
Intercommunication Data System (CIDS) for indication
on the Forward Attendant Panel (FAP) and the
Programming and Test Panel (PTP).
The failure of the heater (HTR) or Control Unit (CU)
is indicated on the FAP (CIDS CAUTION light), on the
PTP and on the front face of the Control Unit (HTR and
CU lights).
The drain mast data is stored in the Centralized Fault
Display Interface Unit (CFDIU).
TEST
To perform a complete test of the drain mast system,
two tests must be carried out,
one from the Programming and Test Panel (PTP), and the
second on each Control Unit.
If test is satisfactory :
- on the PTP, the message "DRAIN MAST TEST OK" is
displayed,
- on the front face of the Control Unit, HTR and CU
lights are on as long as the associated TEST pushbutton
is pressed in.
TMUICEJ02-T01 LEVEL 1
EFFECTIVITY 30-71-00 Page 2
May 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
EFFECTIVITY Page 104
ALL
DRAIN MAST ICE PROTECTION SYSTEM PRESENTATION
TMUICEJ02-P01 LEVEL 1
EFFECTIVITY 30-71-00 Page 3
May 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
EFFECTIVITY Page 105
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SELF EXAMINATION
How do you perform a complete test of the drain
mast heating system ?
A - From PTP.
B - From test pushbutton of the Control Unit.
C - Both.
TMUICEJ02 LEVEL 1
EFFECTIVITY 30-71-00 Page 4
May 31/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
EFFECTIVITY Page 106
ALL
30 - ICE AND RAIN PROTECTION
30-71-00 DRAIN MAST ICE
PROTECTION-CIDS-PTP UTILIZATION
CONTENTS:
Drain Mast Ice Protection-PTP Utilization
TMUICEL01 LEVEL 3
EFFECTIVITY 30-71-00 Page 1
Sep 30/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
EFFECTIVITY Page 107
ALL
DRAIN MAST ICE PROTECTION-CIDS-PTP UTILIZATION
SYSTEM STATUS
DRAINMAST FAIL
In our example, a failure has been detected on the
drain mast ice protection system.
TMUICEL01-T01 LEVEL 3
EFFECTIVITY 30-71-00 Page 2
Sep 30/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 30 ICE & RAIN PROTECTION
UF94200
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