30
Instructions for use
|
Dräger BG ProAir
Annex
11.2 Apparatus with on-demand oxygen
dosage: Optimal test sequence with
the Dräger RZ 7000
52320
Block pressure plate
with lever
Pump to fill apparatus
Drain valve
Opens between 10 and 25 mbar
Exhalation valve
Close the inhalation hose
≤ -10 mbar must be reached
Inhalation valve
Close the exhalation hose
≥ 10 mbar must be reached
Test sequence
Positive pressure
Venting
Leak test
Negative pressure
L/min
Flow
Leak-tightness test with
positive pressure
Lower pressure to 7 + 0.5 mbar
Press OK button
Pressure difference ≤ 1 mbar/min
Relief valve
Engage lever
in spring
bridge
Pump to activate
Opens b4 and +8 mbar
Bypass
Open cylinder
Briefly press red button
Audible flow sound
Minimum valve
Low-pressure alarm 1
Engage lever in spring holder
Pressure
b0.5 and 3.0 mbar
Close cylinder
Gently press red button
Warning at approx. 55 bar
Open cylinder
Addition of oxygen for max. 10 s
Pre-purge unit
Low-pressure warning
High-pressure leak-tightness
Open cylinder
≥ 150 bar
No-oxygen
alarm
Pump until alarm sounds
Follow instructions
on Connect ECU
For apparatuses with on-demand oxygen dosage
(approved according to EN 145)
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