Datex-Ohmeda Engstrom Carestation, Техническое справочное руководство

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Engström Carestation
5-12 08/07 1505-1018-000
5.2.6 Vent engine
leak test (high O
2
pressure)
Note: The high O2 pressure leak test will not start if the O2 supply pressure is 35 psig or
below.
1. Verify that the inspiratory outlet is open to atmosphere (not plugged).
2. Open the manual O
2
shut-off valve.
3. On the VMB screen:
• Verify that the measured O2 Supp ly Press ure = pipeline pressure.
• Verify that the measured Air Supp ly Press ure = 0.0 psig.
4. On the VCB screen:
• Energize (
!
) the Effort Valve Energized valve.
• Energize (
!
) the Aux iliary Press ure Purge valve.
• Verify that the Exhal ation Flow Valve is energized (
!
).
• Set the Exh alation DAC counts to 60,000.
• Verify that the Air Flow Valve is energized (
!
).
• Set the Air DAC counts to 60,000
(this will release any air pressure in the system).
• De-energize (
"
) the O2 Flow Valve .
5. Plug the following ports:
• INSP iratory outlet.
• EXP iratory inlet.
• Auxiliary pressure port ( Paux ).
6. Close the manual O
2
shut-off valve.
7. On the VCB screen, select High O2 Leak to start the test.
8. After the test is complete (Max 15 seconds):
• Verify that the displayed Leak rate does not exceed 26 ml/min.
• if not, troubleshoot for leaks in the shaded area.
9. Remove the plugs from the INSP iratory, EXP iratory, and Paux ports.
10.On the VCB screen:
• De-energize (
"
) the Effort Valve Energized valve.
• De-energize (
"
) the Aux iliary Press ure Purge valve.
AB.98.086