LTV 1150 - Page 266

Page 9-10 LTV
®
1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
LTV
®
1200/1150 SERIAL NUMBER: _____________
TEST
DESCRIPTION
STEP
#
MEAS.
VALUE
REQUIREMENT
PASS
/ FAIL
Patient Assist Port
Connect Patient Assist Cable, Normally
Closed (P/N 10779), reconnect AC
adapter, power ventilator up and clear
all alarms.
6)A)
Measure plug resistance. 6)B) Resistance ≤2.3 ohm
Change High Pres Limit setting to 5
(create alarm) and measure plug
resistance.
6)C) Resistance >1.0 mega ohms
Return High Pres Limit setting to 100
and clear all alarms.
6)D)
Turn ventilator off, leaving alarm
sounding and measure plug resistance.
6)E) Resistance >1.0 mega ohms
Press Silence Reset to clear alarm and
measure plug resistance.
6)F) Resistance ≤2.3 ohm
Disconnect Patient Assist Cable,
Normally Closed (P/N 10779) and
connect Patient Assist Cable, Normally
Open (P/N 10780).
6)G)
Power ventilator up, clear alarms and
measure plug resistance.
6)H) Resistance >1.0 mega ohms
Change High Pres Limit setting to 5
(create alarm) and measure plug
resistance.
6)I) Resistance ≤2.3 ohm
Return High Pres Limit setting to 100
and clear all alarms.
6)J)
Turn ventilator off, leaving alarm
sounding and measure plug resistance.
6)K) Resistance ≤2.3 ohm
Press Silence Reset button to clear
alarm and measure plug resistance.
6)L) Resistance >1.0 mega ohms.
Burn In
Set Current Date 7)A) Current Date:
Date Format:
Set Time to 23:15
7)B) Time is 23:15:
Note Usage Meter 7)C) Note usage meter
Operate ventilator on test lung for 1 Hr 7)D) No alarms occur.
Power vent off and on,
Check Date
7)E) Date has incremented correctly.
Check Time 7)F) Time has incremented correctly.
Verify Usage Meter 7)G) Usage meter has incremented correctly.
Oxygen Enrichment (oxygen leakage)
LTV
®
1200: Connect a 50 ± 2 PSIG
oxygen source to the ventilator.
Set the O
2
% setting to 100%.
LTV
®
1150: Connect a 1.0 to 1.5
PSIG oxygen source to the ventilator.
Operate for a minimum of 2 minutes.
Extract the tube approximately 0.5 inch
per breath.
8)A)
Peak % O
2
measurement taken from inside
the unit must be < 25%.