Chapter 8
8-20
Esprit® Ventilator Service Manual © Respironics, Inc.
REF 580-1000-02 G
Performance Verification
8. The oxygen flow accuracy test is complete.
Pressure Accuracy (Test 5)
The pressure accuracy test verifies the accuracy of the inhalation and
exhalation pressure transducers.
1. If the ventilator is not already in diagnostic mode, simultaneously
press the
ALARM RESET
and
100% O
2
keys on the front panel for
approximately five seconds while turning ventilator power on, then
touch
OK
to enter diagnostic mode.
2. Connect a patient circuit and analyzer to the ventilator as shown in
3. Set the analyzer’s function to read cmH
2
O (set pressure range to
measure at least 120 cmH
2
O).
4. Touch
Safety
on the Hardware screen to energize (white background)
the safety solenoid.
5. Touch
Exhalation
on the Hardware screen and set it to 1470 steps
Figure 8-19: Diagnostic Mode - Selecting Exhalation Position
6. Touch
Air
and set the flow to 1 LPM.
165 LPM
148.5 to 181.5 LPM
0 LPM
0 ± 0.1 LPM
Touch
Oxygen
and set
the flow to:
Check that analyzer and
Oxygen Flow
displays read: