• Author / Uploaded
• TeguhDepe

Citation preview

A 320 FIRE PROTECTION SYSTEM REVIEW

Presented by Teguh D Prayitno Command course 2017

Description  Fire and Overheat detection and Extinguishing system

 Smoke detection and Extinguishing system

 Smoke detection system  Portable Fire Extinguisher Command Course 2017 / tdp144853

2

Command Course 2017 / tdp144853

3

FDU

FDU

FDU Command Course 2017 / tdp144853

4

 When a sensing element is subjected to heat, it sends a signal to the FDU. As soon as both loops A and B detect temperature at a preset level, they trigger the fire warning system.

Warning system is not affected by failure of a loop (break or loss of electrical supply). In case of failure of one loop, the second one secures the aircraft.

If the system detects an APU fire

Command Course 2017 / tdp144853

5

while the aircraft is on the ground, it shuts down the APU automatically and discharges extinguishing agent. In flight, The flight crew controls the discharge of the fire extinguisher bottle, from the APU FIRE panel

FDU process all the warning and cautions originating in the sensing elements :

 Fire warning appears in case of : 1. Fire signal from both loop A & B or 2. Fire signal from one loop when the other is faulty, or 3. Break in booth loops occuring within 5 sec of each other ( flame effect ), or

4.

A fire test is performed

 The Loop fault cautions appear if 1. One loop is faulty or, 2. Both loop is faulty or, 3. FDU is fails Command Course 2017 / tdp144853

6

The ENG 1 FIRE pb sw illuminates red, SQUIB and DISCH lights illuminate,

MASTER WARN light flashes,

CRC sounds,

ENG 1 FIRE warning appears on ECAM

FIRE light illuminates on the ENG panel. Command Course 2017 / tdp144853

7

APU FIRE pb sw illuminates red, SQUIB and DISCH lights illuminate,

MASTER WARN light flashes,

CRC sounds

APU FIRE warning appears on ECAM

Note : During APU Fire Test,MASTER WARN light, the CRC and an APU FIRE warning on the ECAM only appeared when AC power is available

Command Course 2017 / tdp144853

8

There is an additional FIRE light for the APU and a guarded APU SHUT OFF pb located on the EXTERNAL POWER panel Command Course 2017 / tdp144853

9

 Each engine is equipped with 2 extinguisher bottle

 The discharge of the bottles is activated by an associated pb sw. The pushbuttons are located on the FIRE panel on the overhead panel.

Command Course 2017 / tdp144853

10

 For the APU, there is one fire extinguisher bottle. It’s discharge is activated either by a pb, or automatically if there is an APU fire when the aircraft is on the ground

Command Course 2017 / tdp144853

11

       

Silence aural warning Arms the Fire Ex squibs Closes LO Press Fuel Valve Closes HYD fire shut off valve Closes ENG bleed valve Closes PACK flow contrl valve Cuts off FADEC power supply Deactivated IDG

Engine : Engine 1 (2) Fire Pushbutton Agent 1 & 2 Pushbutton

APU: APU Fire Pushbutton Agent Pushbutton Command Course 2017 / tdp144853

      12 

Shut down APU Silence aural warning Arms the APU Fire Ex squibs Closes LO Press Fuel Valve Shut off the APU fuel pump Closes APU bleed and X bleed Valve Deactivates APU GEN

During the walk-around, We have to check that the APU Fire extinguisher overpressure indication (red disc) is in place. This is an indication that the fire bottle has not been discharged.

Command Course 2017 / tdp144853

13

Command Course 2017 / tdp144853

14

A smoke detection system is provided for the avionics. Its detector is located in the air extraction duct.

Command Course 2017 / tdp144853

15

When it detects smoke for more than 5 seconds :

A single chime sounds

Master Caution lights up ECAM displays a caution on E/WD SMOKE Light on EMER ELEC Panel lights up BLOWER & EXTRACT FAULT, on VENTILATION Panel lights up

If smoke is detected > 5 minutes, the Caution can be cleared, but it remains latched, and can be recalled, On the Ground a dual FWC reset eill unlatch the caution Command Course 2017 / tdp144853

16

Command Course 2017 / tdp144853

17

Consist of :  one smoke detector in each lavatory  A CIDS decoder encoder unit that links the detector to the entire CIDS system.

Command Course 2017 / tdp144853

18

One smoke detector is installed in each lavatory extraction duct. Command Course 2017 / tdp144853

19

When a detector dinds smoke in lavatory, it sends a signal to CIDS,which transmits it to the FWC for warning in cockpit, and The integrated Smoke Detection Function (SDF) of the CIDS initiates following indications/warnings in the cabin

CIDS SDF Command Course 2017 / tdp144853

20

FWC

COCKPIT :

MASTER WARN light flashes, SMOKE LAVATORY SMOKE warning appears on ECAM

Command Course 2017 / tdp144853

21

CABIN :

On the FAP (Flight Attendant Panel) or related AAP (Additional Attendant Panel) the red SMOKE warning indication comes on

Command Course 2017 / tdp144853

22

The amber call light, mounted on the outside wall of the lavatory, and the amber light on the related ACP (Area Call Panel) flash

The cabin loudspeakers give a predefined chime (e.g. a triple chime, repeated every 30 s) for a lavatory smoke alert Command Course 2017 / tdp144853

23

Each lavatory is equipped with a wastebin fire extinguisher, which installed above the waste bin in each lavatory. Each fire extinguisher has these main components : ‐ A spherical container with a mounting bracket. ‐ A discharge tube with a fusible plug. ‐ A pressure gauge indicating extinguisher condition. ‐ An identification label Note: The indicator on the gauge must show into the green area to ensure full operation in case of a fire. 24

If there is a fire in the waste bin, the fire extinguisher operates automatically. When the temperature in the waste bin increases to approximately 79 °C (174.2 °F), the fusible plug installed in the end of the discharge tube melts and lets the agent flow into the waste bin

Command Course 2017 / tdp144853

25

Command Course 2017 / tdp144853

26

A total of six smoke detectors are installed in the cargo compartments. 2 detectors in a cavitiy. There are one cavity in the forward compartment, 2 cavities in the aft compartment. Each detector is linked to one of the two detection loops

Command Course 2017 / tdp144853

27

The CIDS receives signals from the detectors and transmits them to the ECAM, which displays a warning in the cockpit and associated with SMOKE light on overhead panel. Smoke in a cavity activates the cargo smoke warning if :  Both detectors detect it  One detector detects it while the other is INOP Note: expect the SMOKE warning to remain after agent discharge, even if the smoke source is extinguished. Gases from the smoke source are not evacuated, and smoke detectors are sensitive to the extinguishing agent. 28

SMOKE light on overhead panel

CRC sounds

SMOKE warning appears on ECAM

MASTER WARN light flashes, Command Course 2017 / tdp144853

29 COND

page is displayed on the SD.

Only one fire bottle protects the cargo fire extinguishing system,this bottle supplies 3 nozzles, 1 on FWD and 2 in AFT compartment. The bottle has 2 discharges head, one for each compartment.

Command Course 2017 / tdp144853

30

This button ignites the suib to discharge the extinguishing agent in corresponding compartment Within 60 sec after pressing DISCH pb, this amber lt comes on, indicates that the agent bottle has fully discharged

Command Course 2017 / tdp144853

Notice that both DISCH lights illuminate. This is because there is only one fire extinguisher bottle for both cargo compartments. It means there is no fire agent left for a possible other CARGO compartment SMOKE or FIRE warning.

31

Command Course 2017 / tdp144853

32

Command Course 2017 / tdp144853

33

consists of a thumb operated valve lever and twistable handle. A CO2 cartridge is fitted in the handle, twisting the handle causes the cartridge to be punctured by a hollow pin. The pressure is fed to the bottle and the water charge is expelled via the nozzle when the valve is depressed. Antifreeze compound (glycol) has been added to the water. The water fire extinguisher may be used to fight fire of solid materials, class “A” fire, mostly fires in the cabin, or fires in the waste containers. Command Course 2017 / tdp144853

34

 DESCRIPTION  H2O Cylinder is green or blue in color  Duration is approximately 30 – 45 seconds  Discharge range: min 12 feet.  CAUTION

Never use it on burning liquids (class "B"), electrical fires (class "C"), and pantry or cockpit fires. Most inflammable liquids are lighter than water and will start floating on water, spreading out the fire. When sprayed on electrical fires, the danger of electrocution exists.

Command Course 2017 / tdp144853

35



PRE FLIGHT CHECK :

 Validity  Quantity  Secure  Wire seal in place  Co2 Cartridge intact  HOW TO OPERATE : a. Grasp unit and turn handle to the right as far as possible. b. Hold H2O upright with thumb on top of lever. c. Press lever to discharge. d. Aim at base of flame. e. Sweeping motions (side to side) to erase the flames Command Course 2017 / tdp144853

36

 DESCRIPTION

 Cylinder is red color  Duration is approximately 7 – 10 seconds  Discharge range : 1 – 1,5 meters  CAUTION The concentrate agent, or the products created by the heat of the fire, is toxic when inhaled.The extinguisher is not recommended for use in confined spaces, however should it be used in such an area, after the fire is out, ventilate immediately.For electrical fires, remove the power source as soon as possible Command Course 2017 / tdp144853

37

 WARNING

Avoid discharging directly on person. If the extinguisher is to be discharged in the cockpit, all crewmembers are to wear oxygen masks and use 100% oxygen with (EMERGENCY) selected.  CHECK     

Validity Quantity Secure Safety Pin is firmly in place Pressure gauge indicator is in the green section

Command Course 2017 / tdp144853

38

 HOW TO OPERATES a. Grasp unit and pull Safety pin. b. Hold hallon upright with thumb on top of trigger.

c. Aim at base of fire (at flames or smoke). Do not get too close as the discharge stream may scatter the fire's fuel source and avoid breathing vapors, fumes and heated smoke as much as possible. d. Press trigger and spray hallon agent at base of flame in quick, sweeping motions (side to side) to erase the flames. When the extinguishing agent comes in contact with the fire, the fire will flare and appear to grow larger. Don't panic. This condition is a normal and temporary reaction before the agent suppresses the fire. After fire is out, carefully watch for "Flashback". e. (Discharge can be stopped by releasing trigger) Command Course 2017 / tdp144853

39

Command Course 2017 / tdp144853

40