CareFusion LTV 1200 Service Manual page 289

®
LTV SERIAL NUMBER: _____________
TEST
DESCRIPTION
Solenoids
Step position 100, turbine speed 4000
ExhPilot solenoid deactivated
(OFF):
ExhPilot solenoid activated (ON):
Step position 100, turbine speed 4000
Purge solenoid deactivated (OFF):
Purge solenoid activated (ON):
PPin and PPout solenoids activated
(ON):
Turbine speed 10
PPin solenoid deactivated (OFF):
PPout solenoid deactivated (OFF):
15 cmH O to high flow transducer port:
2
Apres solenoid activated (ON):
15 cmH O to low & high flow transducer
2
ports:
Pinch off inlet pressure, purge solenoid
activated for 3 sec., then deactivate.
Calculated change in Pressure:
15 cmH O to low & high flow transducer
2
port:
ExhDiffP solenoid deactivated
(OFF):
ExhDiffP solenoid activated (ON):
15 cmH O to high flow transducer port:
2
Pinch off the input pressure line
Page 9-30
STEP MEAS.
# VALUE
9)A)
9)B)
9)C)
9)D)
9)E)
9)F)
9)G)
9)H)
9)I)
®
LTV 1200, 1150, and 1100 Ventilator Service Manual
REQUIREMENT
Pressure at exhalation drive port must =
0 ± 0.1 cmH O
2
Pressure at exhalation drive port must
be ≥14 cmH O
2
Pressure at the High & Low flow
transducer ports = 0 cmH
2
Pressure at the High & Low flow
transducer ports ≥ 14 cmH
Pressure at the exhalation drive port
must be ≥14 cmH O
2
Leakage rate must be ≤ 1 cmH
one minute
PPP value under the RT XDCR DATA
menu must be ± 0.5 cmH O of the
2
measured pressure.
Pressure at exhalation drive port must =
0 ± 0.1 cmH O
2
AP: 0 cmH O ± 0.5 after activation
2
FDw: 0 cmH O ± 0.5 after activation
2
FDw display must not change by more
than 0.5 cmH O before and after
2
activating solenoid
FDw display must read 0 ± 0.5 cmH
FDw display must read AP ± 0.5 cmH
FDw display must read 15 ± 0.5 cmH
p/n 18603-001, Rev. J
PASS
(P) /
FAIL
(F)
O
O
2
O within
2
O
2
O
2
O
2