Air
Life
®
nCPAP Driver Service Manual
2008, Cardinal Health
Page 7 of 81
2.10
Pressure Relief
The Driver is equipped with two pressure relief systems. Both systems are self-resetting if the
high pressure condition is resolved.
Electronic —
An automatic vent valve system preset to vent to ambient air when a High
Pressure alarm (patient pressure) occurs.
Mechanical —
An internal relief valve is preset to vent if circuit drive pressure exceeds 211
±11 cm H
2
O (3 ± 5% psig).
2.11
Flow Limit
The Driver includes an electronic flow limit to prevent the delivery flow from exceeding 3 lpm
over Target Flow, or 15 lpm, whichever is lower. The Target flow may be increased by the
operator to compensate for larger leaks. The Driver has a High Priority Low Flow Limit alarm
that activates if the measured flow rate is < 3 lpm.
2.12
IEC 60601-1 Classification
Internally Powered Equipment, Type BF, IPX 1. This equipment is rated for continuous
operation. This equipment is not suitable for use in the presence of flammable anesthetics.
CAUTION
Although this device meets the requirements of current EMC/RFI legislation,
this does not guarantee immunity from all sources of radiated energy. Some
mobile telephones and other products containing radio transmitting
components may cause a malfunction of the device and should not be used in
the vicinity of the device.
2.13
Storage and Operating Conditions
Safe for storage at -20°C to +60°C
Relative humidity of 15% to 95% non-condensing
Atmospheric pressure 0.6 to 1.4 Bar.
Operating environment temperature is +5°C to +40°C
Keep dry and do not expose to direct sunlight
This product meets the EMC requirements of IEC60601-1
WARNING
The patient accessories for use with the Air
Life
®
nCPAP Driver are for single
patient use only. Disposable accessories include generators, fixation device,
prongs, masks, heated wire breathing circuits, and humidification chambers.
DO NOT STERILIZE OR REUSE
