CareFusion LTV 1200 Service Manual page 267

NOTE
O may exhaust from Air Inlet filter Port and falsely elevate reading. Do not permit
2
exhausted O to enter via the fan intake.
2
7) Perform an Internal Oxygen Enrichment (oxygen leakage) test.
A) Connect an oxygen sensor with a
pump to draw flow through the O
Sampling Tube
replacing the back panel.

For the LTV
Connect a 50 ± 2 PSIG oxygen
source to the inlet port of the
ventilator's Oxygen Blender and
set the O % setting of the
2
ventilator to 100%.
After measurement, return O
setting to 21%.

For the LTV
Connect the O2 inlet port to an
oxygen source providing 1.0 to
1.5 PSIG of oxygen.
B) Operate the ventilator for a
minimum of 2 minutes.
While monitoring the peak O
value, extract the tube
approximately 0.5 inch per
breath.
79
O Sampling Tube, P/N 10544, ~10.0" long, 0.125" O.D. X 0.079 I.D. clear polycarbonate tubing.
2
Page 9-8
2
79
installed prior to
®
1200:
2
®
1150 and 1100:
%
2
®
LTV 1200, 1150, and 1100 Ventilator Service Manual
Peak % O measurement taken from inside
2
the unit must be  25%.
p/n 18603-001, Rev. J