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EN
TRANSPORT, STORAGE AND OPERATING CONDITIONS
OPERATING TRANSPORT
AND STORAGE
TEMPERATURE 10°C to 37°C (50°F to 98°F) -30°C to -70°C (-22°F to -94°F)
RELATIVE HUMIDITY 15% to 95%,
no condensation
15% to 95%,
no condensation
ALTITUDE 0 to 1828 meters -
ATMOSPHERIC PRESSURE 80 kPa ~ 101 kPa 80 kPa ~ 101 kPa
ENVIRONMENT Dry, well-ventilated,
dust-free and pollution-free
Away from electromagnetic inter-
ference
Placed upright and vertical at all
times
ELECTRICAL North America: 115V, 50Hz
Rest of the world: 230V, 50Hz
-
2. USING YOUR M50 OXYGEN CONCENTRATOR
WARNING: Do not use extension cords or electrical adapters.
1. Choose a location for your concentrator that allows it to draw in air freely. Make sure the device is at
least 30 cm away from walls, furniture, curtains, or any other item that may restrict airflow to the device.
Do not place the device near any heat source.
2. After reading and understanding the contents of this manual, plug the power cord into a grounded wall
outlet.
3. Do either Step A or Step B below.
A. If you are not using a humidifier, connect your nasal cannula to the oxygen outlet.
B. If you are using a humidifier, follow the steps below:
i. Remove the humidifier cap by turning it counter clockwise.
ii. Fill the humidifier bottle with distilled or cooled, pre-boiled water between the min and max mark-
ings.
iii. Replace the humidifier cap and tighten until secure.
iv. Mount the filled humidifier on top of the M50 Oxygen Concentrator using the hook and loop fas-
tener.
v. Tighten the hook and loop fastener to secure the humidifier to the device.
vi. Connect the cannula to the oxygen outlet and humidifier inlet.
NOTE: Replace the water in your humidifier bottle on a daily basis.
4. Press the power switch to the On [I] position.
5. After turning on your M50 Oxygen Concentrator, allow at least 30 minutes for oxygen delivery to reach
optimal concentration.
6. If using a humidifier, make sure that the humidifier bottle is secure:
a. Use your finger to gently block the oxygen outlet on the humidifier bottle for 20 seconds.
b. Once the float in the flow meter drops to the bottom of the gauge, remove your finger.
c. If the bottle makes a whistling sound - it means that the humidifier is properly secured to your
device.
d. If you cannot hear this sound, remove the humidifier bottle, unscrew the cap, replace tightly and
repeat the above test.
e. If no whistling sound is heard after taking these steps, contact your home care provider.
7. Adjust the oxygen flow so that the float mark is centered on the line marking the flow rate prescribed
by your physician:
a. Turn the flow control dial clockwise to increase the output flow rate.
b. Turn the flow control dial anti-clockwise to decrease the output flow rate.
8. Connect your oxygen tube to the oxygen outlet and put on your cannula as directed by your home care
provider.
9. When you are not using the oxygen concentrator, press the power switch to the O [O] position to turn
o the power.
