Self-tests
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
3-7
3.4.2 Hardware requirements
Table 3-3 lists the hardware requirements for EST.
3.4.3 Running EST
Warning
• Before running EST, you must disconnect the ventilator from the patient. Running
EST while the ventilator is connected to the patient can injure the patient.
• A fault identified in EST indicates the ventilator or an associated component is
defective. A defective ventilator or associated component should be repaired before
the ventilator is returned to service, unless it can be determined with certainty the
defect cannot create a hazard for the patient, or add to the risks which may arise
from other hazards.
Caution
To ensure accurate EST operation, run EST after the ventilator has been powered on for
at least 10 minutes.
Table 3-3: Hardware requirements for EST
Description
Manufacturer or model or Covidien part number
Ventilator breathing circuit
To use as test circuit: G-061208-00 or equivalent (adult, reusable, without
heated wire)
NOTE:
To ensure compliance compensation functions correctly, the user must
run EST or SST with the circuit configured as intended for use on the
patient.
Stopper, wye (no. 2)
G-061574-00 or local supplier
Stopper, inspiration port (no. 3)
G-061575-00 or local supplier
Oxygen source, 40 to 90 psi
(275 to 620 kPa)
Local supplier
Warning
Due to excessive restriction of Air Liquide™*, Australian, and Dräger™* hose assemblies, reduced FIO
2
levels
may result when oxygen inlet pressures < 50 psi (345 kPa) are employed. Make sure oxygen inlet pressure is
approximately 50 psi (345 kPa) when using these hose assemblies, to maintain correct FIO
2
levels.
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