G2S A20 / G2S C20 User Manual V1.0
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must be equipped with a safety (entrainment) valve.
• In order to minimize the risk of CO
2
rebreathing, the patient should observe the following
instructions:
- Use the accompanying tube and mask provided by BMC.
- Do not wear the mask for more than a few minutes while the device is not operating.
- Use only masks with vent holes. Do not block or try to seal the vent holes in the exhalation
port.
CAUTION!
• When using the tube with a diameter of 15mm, set the tube of the Patient Menu to 15mm
(see Section 14.2 “Options of the Patient Menu and Corresponding Descriptions”).
11.5 Using Oxygen with the Device
Oxygen may be added at the mask connection. Please observe the instructions listed below
when using oxygen with the device.
WARNINGS!
• Connect the oxygen tube to the oxygen inlet of the mask.
• The oxygen supply must comply with the local regulations for medical oxygen.
• Turn on the device before turning on the oxygen. Turn off the oxygen before turning off the
device. Explanation of Warning: When the device is turned off, but the oxygen flow still exists,
oxygen may accumulate within the device's enclosure and pose a fire hazard. Turning off the
oxygen before turning off the device will prevent oxygen accumulation in the device and
reduce the risk of fire. This warning applies to CPAP devices.
• Oxygen supports combustion. Keep the device and the oxygen container away from heat,
open flames, any oily substances, or other sources of ignition. DO NOT smoke in the area
near G2S A20 / G2S C20 or the oxygen container.
• Sources of oxygen should be located more than 1 m from the device.
• When using oxygen with this system, a Pressure Valve must be placed in-line with the
patient circuit between the device and the oxygen source. The pressure valve helps prevent
the backflow of oxygen from the patient circuit into the device when the unit is off. Failure to
use the pressure valve could result in a fire hazard.
• Do not connect the device to an unregulated or high pressure oxygen source. The pressure
of oxygen source does not exceed the work pressure of the device.
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