CareFusion LTV 1200 Service Manual page 282

8) Perform a Servo test.
Connect the ventilator to a high pressure oxygen source. Connect an oxygen sensor to
the patient outlet port of the ventilator (for fastest response), or to the Patient Circuit
Wye.
NOTE
Oxygen source and tested O
®
LTV 1150, or 1100 model, set turbine speed and flow only.
A) Set flow (listed under Insp. Time) to 10,
turbine speed (listed under High Press
alarm) to 4000, and % O
to 40 PSI. Press Manual Breath.
B) Set flow to 10, turbine speed to 5000,
and % O to 90, O
2
Press Manual Breath.
C) Set flow to 50, turbine speed to 4000,
and % O to 60, O
2
Press Manual Breath.
D) Set flow to 90, turbine speed to 7000,
and % O to 90, O
2
Press Manual Breath.
E) Return flow setting to 10 Lpm.
9) Perform a Solenoids test.
A) Set the step position to100,
turbine speed to 4000, and turn
on only the ExhPilot solenoid.
After reading, turn the ExhPilot
solenoid off.
B) Set the step position to 100,
turbine speed to 4000, and turn
only the Purge solenoid on.
After reading, turn the Purge
solenoid off.
C) Turn the PPin and PPout
solenoids on.
88
If Flow is not within the specified limits, recalibrate the Flow Valve (see page 6-25) and repeat the
Performance Checkout tests.
p/n 18603-001, Rev. J
% only apply to the LTV
2
to 30, O
2
Inlet to 50 PSI.
2
Inlet to 60 PSI.
2
Inlet to 50 PSI.
2
®
LTV 1200, 1150, and 1100 Ventilator Service Manual
®
1200 model. When testing the
®

LTV 1200 - Flow (BTPD) must be
10  0.5 Lpm.
Inlet
®

LTV 1150 & 1100 - Flow (BTPD)
2
must be 10 ± 1.0 Lpm.
 must be 30  3%.
% O
2
®

LTV 1200 - Flow (BTPD) must be
10  0.5 Lpm
®

LTV 1150 & 1100 - Flow (BTPD)
must be 10 ± 1.0 Lpm.
 must be 90  5%.
% O
2
 Flow (BTPD) must be 50  7.5 Lpm
 must be 60  5%.
% O
2
 Flow (BTPD) must be 90  13.5 Lpm
 must be 90  5%.
% O
2

Pressure at the exhalation drive port must
be 0 ± 0.1 cmH
2
after activating the solenoid.

Pressure at the High and Low flow XDCR
ports must be 0 ± 0.1 cmH
14 cmH O after activating the solenoid.
2

Pressure at the exhalation drive port must
be ≥ 14 cmH
O.
2
88
88
88
88
O before and  14 cmH
O before and ≥
2
Page 9-23
O
2