Invacare Perfecto2 IRC5PAW Manuel D'utilisation page 21

Flowrate
NOTE: For this procedure, refer to FIGURE 6.5.
NOTE: Take care not to set the flow above RED ring. An oxygen
flow greater than 5 L/min will decrease the oxygen concentration.
1. Turn the flowrate knob to the setting prescribed by your
physician or therapist.
DO NOT change the L/min setting on the flowmeter unless a
change has been prescribed by your physician or therapist.
NOTE: To properly read the flowmeter, locate the prescribed flowrate
line on the flowmeter. Next, turn the flow knob until the ball rises to
the line. Now, center the ball on the L/min line prescribed.
2. If the flowrate on the flowmeter ever falls below 0.5 L/min
more than about one minute, the LOW FLOW alarm will be
triggered. This is a rapid beeping of the audible alarm. Check
your tubing or accessories for blocked or kinked tubing or a
defective humidifier bottle. After rated flow is restored to more
than 0.5 L/min, the LOW FLOW audible alarm will go off.
NOTE: The use of some accessories such as the pediatric flowstand
and the HomeFill compressor will deactivate the Low Flow Alarm.
Flow Knob
Flowmeter
0.5 L/min
Ball
Front Panel
Part No 1163145
SECTION 6—OPERATING INSTRUCTIONS
WARNING
FIGURE 6.5
21
Flowrate
Perfecto ™Series
2