BA 002: PSS 7000 BA Set

Question 1

When does the electronic low pressure warning activate?

Answer 1

84 BAR

Question 2

When does the pneumatic low pressure warning activate?

Answer 2

74 BAR +/-5

Question 3

When the battery drops below 5.5 volts, how long is left to use the BA set?

Answer 3

2 hours

Question 4

What is the name of the BA facemask?

Answer 4

The FPS (face protective system) 7000 facemask

Question 5

What are the two buttons on the LDV and what do they do?

Answer 5

First breath button
Stops air escaping the set until the first breath is taken

Additional flow button
Provides additional air into the mask

Question 6

What are the benefits of having a positive pressure inside the mask?

Answer 6

If a leak occurs, the pressure is released outwards instead of outside air rushing into the mask

Question 7

What is the reducer and where is it mounted?

Answer 7

The reduce assists in the reduction of cylinder pressure to a breathable pressure (6-9 BAR). The LDV then supplies the breathable pressure to the mask

Mounted on the backplate

Question 8

What is the inline connection, and what is the second person connection? What couplings do they both use?

Answer 8

Inline connection
Main connection from the LDV to the set

Second person connection
Used in the case of another BA wearers needing to share the same air

Both use quick release couplings (QRC)

Question 9

What are the three non-kink hoses on the BA set, and where do they go?

Answer 9

High pressure - electronic management unit (EMU)
Medium pressure - to the LDV via the inline connection
Medium pressure - to the second person connection

Question 10

What does the Bodyguard 7000 do?

Answer 10

Gives a visual indication to the BA wearer of the air consumption within the cylinder and time to warning device in minutes

Question 11

The Bodyguard 7000 continuously monitors the BA set, and can display what five features?

Answer 11

Available air pressure of the cylinder
Time of warning (TOW)
Time to warning (TTW)
Motion sensor and automatic distress signal unit (ADSU)
Button activated manual distress unit (DSU)

Question 12

What are the four features of STOPCAB?

Answer 12

Positive pressure
Speech diaphragm
Additional flow button
Stable air flow it low breathing resistance

Question 13

What do the three LED indicators on the Bodyguard 7000 show?

Answer 13

Green - operational mode, key removed
Red and blue - warning mode
Blue - telemetry signal

Question 14

What does ADSU stand for, and what is it?

Answer 14

Automatic distress signal unit

The alarm is emitted when the pre-alarm has reached 15 second without movement of the Bodyguard 7000

Question 15

What does DSU stand for, and what is it?

Answer 15

Manual audible alarm that can be activated by pressing the orange button on the Bodyguard 7000

Question 16

What can temporarily effect the operation of the Bodyguard 7000?

Answer 16

High intensity magnetic flux fields, such as body scanner chambers

Question 17

What colour are the tally’s of the SDBA and the EDBA?

Answer 17

SDBA - yellow

EDBA - red

Question 18

What three things need to be written in the tally of your BA set?

Answer 18

The role and name of wearer
Cylinder pressure
Entry time into the risk area

Question 19

A complete BA set must include what seven things?

Answer 19

Bodyguard key
Tally
Personal line
Cable cutters
Cylinder
Cylinder cover
Log book

Question 20

What does LDV stand for, and what does it do?

Answer 20

Lung demand valve

Supplies air at a breathable pressure to meet the demands of the wearer

Question 21

What is the name of the LFB breathing apparatus set?

Answer 21

Drager PSS 7000 breathing apparatus set

Question 22

What is the working duration of the SDBA?

Answer 22

31 minutes at 50 litres per minute

Question 23

How much does the Drager PSS 7000 set weigh?

Answer 23

15.5kg

Question 24

What does STOPCAB mean?

Answer 24

Self contained
Two stage
Open circuit
Positive pressure
Compressed
Air
Breathing apparatus

Question 25

Name some features of the FPS 7000 facemask?

Answer 25

Anti dermatitic rubber
Five adjustable strap harness
Inner mask to prevent misting and the build up of carbon dioxide
Speech diaphragm to aid communication
Non-return valves in inner mask
Can be converted to a respirator - replace LDV with a P3 cartridge

Question 26

What is the PSS Merlin telemetry module, and what does it do?

Answer 26

Battery powered unit that transmits and received audible and visual alarm signal data, to and from the PSS Merlin Entry Control Board