LTV 1150 - Page 260

Page 9-4 LTV
®
1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
5) Reconnect the external power AC adapter and verify the audible alarm terminates. Press
the Silence Reset button to clear the alarm and perform the following tests:
Ventilator Settings and Procedure Performance Requirement
A) Set the vent to the following
settings and operate for at least
two minutes:
Mode: Volume, Assist/Ctrl
Low Press O
2
: Off (LTV
®
1200)
Breath Rate: 12
Tidal Volume: 500
Insp. Time: 1.0 sec
Pressure Support: 0
O
2
%: 21 (LTV
®
1200)
Sensitivity: 3
High Pressure Limit: 100
Low Pressure Alarm: 5
Low Min Vol: 1.0
PEEP: 5 cmH
2
O
High PEEP Alarm: Off
Low PEEP Alarm: Off
High f Alarm: Off
Selected Monitors should read as follows:
Exhaled Tidal Volume (VtE): 383 to 633 ml
I:E Ratio : 1:3.8 to 1:4.2
Total Breath Rate (f): 12 bpm
Total Minute Vol (VE): 4.6 to 7.6 L
No alarms activate
B) Set the O
2
% control to 22%
(LTV
®
1200 only).
LOW O2 PRES alarm activates
C) Reset O
2
% to 21% and clear the
alarm (LTV
®
1200 only). Set the
Low Min Vol alarm to 10 L.
LOW MIN VOL alarm activates
D) Reset the Low Min Vol alarm to
1.0 and clear the alarm. Set the
Low Pressure alarm to 60.
LOW PRES alarm activates
E) Reset the Low Pressure alarm to
5 and clear the alarm. Set the
High Pres Limit to 10 cmH
2
O
below the Peak Inspiratory
Pressure.
HIGH PRES alarm activates.
F) Reset the High Pres. Limit alarm
to 100 and clear the alarm.
G) Connect a 50 ± 2 PSIG oxygen
source to the inlet port of the
oxygen blender and set the O
2
%
setting to 60%. Connect an
external oxygen monitor to the
patient circuit (LTV
®
1200 only).
External oxygen monitor should read 55 to
65% O
2
No alarms activate.
H) Reset O
2
% control to 21 and
disconnect the oxygen source
and monitor (LTV
®
1200 only).