CareFusion LTV 1100 Page 70 Service Manual Download | Manualshive

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p/n 18603-001, Rev. J

LTV

®

1200, 1150, and 1100 Ventilator Service Manual

Page 6-31

Watchdog Test

The watchdog timer is used to verify that essential parts of the software are running at the
correct times. If the software does not update the watchdog timer correctly, the watchdog
timer causes the ventilator to inop. This item tests that the watchdog timer is operating
correctly.

To run the watchdog test:

1) Press

Select

while

WDOG TEST

is displayed in the VENT MTNCE menu.

2) The ventilator will restart, and begin the normal POST tests:



At the end of POST the audible alarm will sound and a

RESET

alarm message will be

displayed and the ventilator will resume operation.



Press

Silence Reset

twice to clear the alarm.

If the Watchdog Test fails:

Problem

Possible Cause

What To Do

Vent does not reset when
watchdog test is performed.

Defective main board.

Replace the main board. See

Chapter 8 - Main Board Assembly

for

instructions.

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Summary of Contents for LTV 1100

Page 1: ...LTV 1200 1150 and 1100 Ventilator Service Manual P N 18603 001 Rev J ...

Page 2: ...ion History Revision Level Revision Date Rev A ECO 4188 September 2006 Rev B ECO 4950 March 2008 Rev C ECO 5407 July 2008 Rev D ECO 5640 June 2009 Rev E ECO 6002 July 2009 Rev F ECO 6291 April 2011 Rev G ECO 7040 February 2012 Rev H ECO 81024 February 2013 Rev J ECO 81227 March 2013 ...

Page 3: ...8 8500 763 398 8403 fax ltvservice carefusion com 49 931 4972 0 tel 49 931 4972 423 fax Any product malfunctioning issues that fall under Medical Device Directives Essential Requirements should be directed to CareFusion Germany 234 GmbH support vent eu carefusion com carefusion com LTV 1200 LTV 1150 and LTV 1100 are trademarks belonging to CareFusion Corporation Copyright 2006 2013 CareFusion Corp...

Page 4: ...iod of one 1 year from the date of shipment or 8 800 hours as measured on the usage meter whichever comes first with the following limitations The battery is warranted for ninety 90 days from date of shipment CareFusion will at its option either repair replace or issue credit for products that prove to be defective during the warranty period For warranty service or repair the product must be retur...

Page 5: ...Requirements should be directed to CareFusion Germany 234 GmbH Notice to Users Unsafe Operation Servicing the LTV 1200 1150 or 1100 ventilator without a complete and thorough understanding of its attributes may result in unsafe operating conditions It is important that this manual be read and understood in its entirety before servicing the ventilator Warnings and Cautions Section Read the section ...

Page 6: ...rcuit 4 6 Chapter 5 Preventative Maintenance 5 1 Recommended Maintenance Schedule 5 1 Before Initial Use 5 2 Storage Maintenance 5 2 Daily Maintenance 5 2 Monthly Maintenance 5 2 10 000 Hour 2 Year Maintenance 5 3 30 000 Hour Maintenance 6 Year Maintenance 5 3 Chapter 6 Maintenance Calibration 6 1 Operating Theory 6 1 Pneumatic Schematic Detail 6 3 Vent Maintenance 6 4 Entering Vent Maintenance Mo...

Page 7: ... After performing any maintenance 8 3 Boots Protective 8 4 Boots Temporary Removal 8 5 Boots Permanent Removal 8 7 Boots Reinstallation 8 10 Boots New Installation 8 13 LTM LTV mounting assembly installation and removal 8 16 Current Model LTM Instructions 8 17 LTM mounting assembly permanent removal current LTM 8 18 LTM mounting assembly re installation current LTM 8 19 LTM mounting assembly new i...

Page 8: ...old Tube Routing Table 8 120 Solenoid Mount Assembly 8 126 Thermo Conductive Motor Board Heatsink Pad 8 129 Thermo Conductive Turbine Pad 8 130 Turbine Manifold 8 131 Chapter 9 Final Checkout Test 9 1 Checkout Test Selection 9 1 General Checkout 9 2 General Checkout Worksheet 9 9 Power Checkout 9 13 Power Checkout Worksheet 9 16 Performance Checkout 9 18 Performance Checkout Worksheet 9 27 12 Hour...

Page 9: ...Page viii LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J Torque Values E 17 Appendix F Index F 1 ...

Page 10: ...tor See the LTV 1200 1150 or 1100 Ventilator Operator s Manuals for information on setting up and operating the ventilator Getting Assistance If a problem occurs while maintaining the LTV 1200 1150 or 1100 ventilator or if you require additional information contact a service technician who has been trained and certified by CareFusion to service the LTV 1200 1150 or 1100 ventilator or CareFusion at...

Page 11: ...the ventilator are listed here General and specific warnings and cautions also appear throughout this manual where they are most meaningful WARNING Warning statements contain information about circumstances or practices that may cause serious and undesirable results or expose the patient or operator to danger CAUTION Caution statements contain information about circumstances or practices that may ...

Page 12: ... personnel under the direction of a physician and in accordance with applicable state laws and regulations Unauthorized Parts or Accessories Serious harm to the patient may result from the use of unauthorized parts or accessories Only items expressly approved by CareFusion may be used in conjunction with the LTV 1200 1150 or 1100 ventilator Ventilator Checkout Tests Be aware that gas is not delive...

Page 13: ...ways wear a grounded anti static wrist strap when handling the ventilator with the case open Electrostatic discharge can damage the internal electronics Verification of Operation After opening the ventilator and performing any maintenance verify proper operation of the ventilator by performing the checks and calibrations recommended in Chapter 9 Final Checkout Test Ventilator Sterilization To avoi...

Page 14: ...a protective earth ground electrode IEC 417 Symbol No 417 IEC 5333 Type BF equipment To mark type BF equipment complying with IEC Publication 601 IEC 417 Symbol No 417 IEC 5031 Direct Current Indicates on the rating plate that the equipment is suitable for direct current only to identify relevant terminals IEC 417 Symbol No 417 IEC 5032 Alternating current Indicates on the rating plate that the eq...

Page 15: ...Page 1 6 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 16: ... are Test Test used to Alarm Test Verify that the audible alarm is working correctly Display Test Verify that the ventilator displays are working correctly Control Test Verify that the ventilator buttons and the Set Value knob are working correctly Leak Test Test the patient circuit for leaks Vent Inop Alarm Test Verify that the Vent Inop alarm is working correctly The Vent Check Menu is set up as...

Page 17: ...AC power source Verify that the External Power and Charge Status LEDs are illuminated or flashing 3 Press and hold down Select While holding Select press On Standby to turn the ventilator on REMOVE PTNT is displayed if it does not display repeat steps 2 through 4 An audible alarm alternating on off tone sounds while REMOVE PTNT is displayed 4 Clear the alarm by pressing the Silence Reset button Th...

Page 18: ...at the audible alarm sounds When the alarm has sounded for at least 2 seconds press Select again The audible alarm is silenced and the next menu item is displayed 3 Verify a confirming audible chirp sounds after the alarm is silenced If the ventilator fails the alarm test see Chapter 7 Troubleshooting for more information NOTE Although the LTV 1200 Front Panel is shown the test is applicable to th...

Page 19: ...l dots of the dot matrix window displays and all LEDs are illuminated 3 To end the display test press Select again and the next menu item is displayed NOTE The displays for the External Power Vent Inop and Charge Status LEDs are not tested by the display test The External Power and Charge Status LEDs are tested when the AC adapter is connected to the ventilator see page 2 2 The Vent Inop LED is te...

Page 20: ...Time Green Low Pressure O2 Source LED3 Green Pressure Support Green Control Lock LED Green O2 O2 Flush 3 Green PEEP Green Sensitivity Green Patient Effort LED Green High Pressure Limit alarm Red External Power LED Not tested Low Pressure alarm Red Charge Status LED Not tested Low Minute Volume alarm Red Battery Level LED Amber On Standby LED Green Vent Inop LED Not tested Volume Mode LED2 Green Si...

Page 21: ...LED display window The control test is used to verify that the ventilator buttons and the Set Value knob are working correctly To run the control test 1 Press Select while CONTROL is displayed 2 SELECT is displayed in the display window NOTE Although the LTV 1200 Front Panel is shown the test is applicable to the LTV 1150 and 1100 Ventilators ...

Page 22: ...ow Minute Volume LOW MIN VOL Silence Reset SILENCE On Standby ON STNDBY Volume Pressure4 MODE VOL PRS Assist Control SIMV CPAP MODE A C S C Inspiratory Expiratory Hold4 IE HOLD Manual Breath MANUAL BRTH Low Pressure O2 Source5 LOW PRES O2 Control Lock CONTROL LOCK Set Value Knob rotate Left ROTATE LEFT Set Value Knob rotate Right ROTATE RIGHT PEEP PEEP 4 Test the Set Value knob by turning it clock...

Page 23: ...rcuit 3 Connect the patient circuit to the ventilator 4 With a clean gloved hand or 4 X4 gauze pad occlude the proximal end of the patient circuit 5 Press Select while LEAK is displayed NOTE The leak test cannot be run until the ventilator has been running for 60 seconds If you attempt to run the leak test before the warm up period has completed a WARMUP xx message will be displayed When the warm ...

Page 24: ...e real time airway pressure d Sets the flow valve to a near closed position The display shows FLOW xx x Lpm where xx x is the flow through the flow valve e After several seconds the display shows LEAK xx xx PASS or LEAK xx xx FAIL indicating the leak test results 7 The leak test will fail if the flow through the flow valve is 1 0 Lpm NOTE The leak test may be performed without occluding the patien...

Page 25: ...3 seconds DO NOT press Silence Reset 3 Observe the ventilator for 15 seconds and verify that both of the following occur The alarm tone sounds continuously for a full 15 seconds The Vent Inop LED illuminates continuously for a full 15 seconds 4 When the test is complete silence the alarm by pressing Silence Reset 5 Verify a confirming audible chirp sounds after the alarm is silenced If the ventila...

Page 26: ...1 Turn the Set Value knob to scroll through the main menu entries VENT OP ALARM OP VENT CHECK etc until EXIT is displayed 2 Press Select while EXIT is displayed Alternatively press Control Lock repeatedly until normal ventilation mode is restored After performing POST the ventilator begins ventilation using the previously stored settings ...

Page 27: ...Page 2 12 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 28: ...tivity in the displayed units For some items transducer counts can also be displayed Pressing Select while a specific transducer is displayed shows additional data for that transducer Display Real time Data AP xx xx c mH20 Airway pressure as measured at the patient wye using the high side proximal sense line FDb xx xx c mH20 Flow differential pressure as measured at the patient wye using the bi di...

Page 29: ...ucer count display is not available for this item FTb x xx Lpm Flow in Lpm calculated from the differential pressure measured at the patient wye using the bi directional transducer Transducer count display is not available for this item LEAK xx xx Lpm Leak flow calculated from the differential pressure transducer measured at the patient wye during exhalation FVd xx xx c mH20 Differential pressure ...

Page 30: ...ended Be sure to wipe away any residual cleaner CAUTION Ventilator Sterilization To avoid irreparable damage to the LTV Ventilator do not attempt to sterilize it Cleaning Agents To avoid damaging the ventilator s plastic components and front panel do not use cleaning agents containing ammonium chloride other chloride compounds more than 2 glutaraldehyde phenols or abrasive cleaners Ventilator Imme...

Page 31: ...y occur This is normal Clear the HW FAULT alarm by using the Silence Reset button 3 Gently bathe the filter in a solution of mild detergent and warm water 4 Rinse thoroughly in warm water 5 Examine the filter for excessive wear or damage Discard and replace with a new filter if necessary 6 Allow the filter to thoroughly air dry before reinstallation 7 Reinstall the filter 8 Reposition the filter g...

Page 32: ...pulling it out 2 Gently bathe the filter in a solution of mild detergent and warm water 3 Rinse thoroughly in warm water 4 Examine the filter for excessive wear or damage Discard and replace with a new filter if necessary 5 Allow the filter to thoroughly air dry before reinstallation 6 Reinstall the filter CAUTION Wet or Damp Filters Do not install a wet or damp filter into the LTV Ventilator This...

Page 33: ...rnal oxygen supply To clean or replace the O2 Inlet Filter 1 Disconnect the high pressure O2 hose from the oxygen block on the left side of the ventilator 2 Using a pick gently remove the rubber O Ring from inside the O2 inlet port Use caution Do not damage the O Ring while removing it Tip the ventilator to allow the O2 Inlet Filter to slide out 3 Clean the filter using a mild cleanser warm water ...

Page 34: ...ing it back into the O2 inlet port Replace the O Ring making sure it is completely tucked under the retaining lip on the inside of the O2 inlet port 6 Reconnect the high pressure O2 line CAUTION Wet or Damp Filters Do not install a wet or damp filter into the LTV Ventilator This could damage the ventilator ...

Page 35: ...ed with your patient circuits and patient circuit components for assembly disassembly care and cleaning recomendations The illustration here is provided for reference Exhalation Valve Assembly Always leak test the patient breathing circuit after assembly or cleaning WARNING Leak Testing Patient Circuits Leak test the patient circuit with all accessories connected before connection to the patient F...

Page 36: ...30 000 hours or six years whichever comes first 10 Replace the Turbine Manifold assembly13 Replace the Solenoid Manifold Replace the Flow Valve Replace the Rotary Switch assembly Replace the O2 Blender LTV 1200 only Replace the Solenoid Mount assembly Replace the PEEP Accumulator Replace the Fan assembly Replace all Silicone Tubing Check the Thermo Pads for compression and replace if necessary Thi...

Page 37: ...y green at the end of 24 hours of charging the internal battery should be replaced Daily Maintenance Each day of operation do the following Check the external air filter clean or replace if necessary In dusty or high humidity environments the filter may need to be cleaned often Check the fan filter clean or replace if necessary In dusty or high humidity environments the filter may need to be clean...

Page 38: ...e power board the internal air inlet filter or the Oxygen Blender Inlet filter and the Alarm Sounder Assembly see Chapter 8 Component Removal and Replacement 30 000 Hour Maintenance 6 Year Maintenance After every 30 000 hours of operation or 6 years whichever comes first perform a complete ventilator maintenance To perform a 30 000 hour maintenance do the following Perform all items on the Monthly...

Page 39: ...Page 5 4 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 40: ...ventilation settings Gas exiting the Rotary Compressor Turbine output port enters another Silencer This chamber dampens acoustic noise from the Rotary Compressor Turbine Upon exiting the silencing chamber the gas flow splits in two paths Gas flow for ventilation diverts to the Flow Valve while excess flow is recirculated through the Bypass Valve to the inlet Accumulator Silencer The Bypass Valve m...

Page 41: ...ure is used in conjunction with the airway pressure transducer by the LTV software to control delivered PEEP A Differential Pressure transducer is provided to measure the delta pressure developed across the flow transducer The transducer is auto zeroed to ambient pressure and the sense lines are purged to prevent moisture migration into the transducer The Oxygen Blender LTV 1200 only accepts press...

Page 42: ...p n 18603 001 Rev J LTV 1200 1150 and 1100 Ventilator Service Manual Page 6 3 Pneumatic Schematic Detail ...

Page 43: ...he ventilator maintenance tests are used to verify the ventilator is working correctly troubleshoot problems with performance and perform maintenance procedures such as calibration The maintenance menu is set up as follows VENT MTNCE CALIBRATION SERVO SOLENOID STEP TEST WDOG TEST CONFIG CLEAR EXIT ...

Page 44: ...de VENT MTNCE and should not be used to ventilate a patient during these tests The Ventilator Maintenance menu is not enabled when the ventilator is powered up normally To enable the Ventilator Maintenance menu 1 Turn the ventilator off 2 Place the ventilator in an ESD safe environment and use ESD controls 3 Remove the back panel of the ventilator For instructions see Chapter 8 Component Removal a...

Page 45: ...cording calibration results is provided at the end of this section To Enter the Calibration Menus 1 Rotate the Set Value knob until VENT OP is displayed Press Select 2 Rotate the Set Value knob until COM SETTING is displayed then press Select 3 Rotate the Set Value knob until DATA is displayed then press Select 15 4 Press Control Lock then turn the Set Value knob until VENT MTNCE displays 5 Press ...

Page 46: ...12 Operating Procedure in the LTV 1100 Operators Manual P N 21106 001 for detailed information Ensure the ventilator is turned on for a minimum of 5 minutes to warm it up prior to calibration If the Main Board was replaced re configure the ventilator s configuration settings See Configuration section starting on page 6 32 of this chapter for further details Check the test fixture manometer for the...

Page 47: ...calibration you will need the following equipment Calibration Syringe assembly16 P N 11471 with a T connection to a pressure manometer 0 90 cmH2O 16 The Calibration Syringe is available separately or as part of the Maintenance Calibration Kit P N 11566 A 60 cc mL Syringe with a calibration U Tube test hose P N 18559 001 may also be used ...

Page 48: ...e pressure supply tube Low Flow Transducer Port Leak Test 6 Connect the appropriate tube from the test fixture to the Low Flow transducer port on the right side of the ventilator and pinch off other unused tubes 7 Using the test fixture manometer as the pressure measurement instrument apply 50 55 cm H2O pressure to the ventilator with the syringe 8 Pinch off the pressure supply tube near the syrin...

Page 49: ... near the syringe to hold the pressure steady 4 Observe the numbers displayed in the Tidal Volume window When the displayed value is stable press Select Record the number that was displayed when you pressed Select on the Calibration Worksheet AP 0 C MH2O is displayed 5 With the high and low pressure sense lines disconnected from the side of the ventilator so that the connection s are open to ambie...

Page 50: ...lock off the unused Luer fitting for each step in this procedure Syringe with a T connection to a test lung or other large compliance reservoir and a male Luer fitting 18 To calibrate the flow differential transducer 1 Press the Select button while FLOW DIFF is displayed FD 30 C MH2O is displayed 17 The Calibration Syringe is available separately or as part of the Maintenance Calibration Kit P N 1...

Page 51: ... stable press Select Record the number that was displayed when you pressed Select on the Calibration Worksheet FD 30 C MH2O is displayed 4 Connect the male Luer fitting from the calibration syringe assembly to the high pressure female Luer fitting Pinch off the tubing between the calibration syringe assembly and the female Luer fitting and increase and maintain the pressure at 30 0 0 2 cmH2O Obser...

Page 52: ...table press Select Record the number that was displayed when you pressed Select on the Calibration Worksheet FD 4015 70 AD is displayed 8 Connect the male Luer fitting from the Calibration Syringe assembly to the high pressure female Luer fitting Increase and maintain the pressure until a value of 3945 to 4085 is displayed in the Tidal Volume window If necessary add a large amount of compliance su...

Page 53: ...ial calibration you will need the following equipment Calibration syringe assembly19 P N 11471 with a T connection to a pressure manometer 0 90 cmH2O 19 The Calibration Syringe is available separately or as part of the Maintenance Calibration Kit P N 11566 A 60 cc mL Syringe with a calibration U Tube test hose P N 18559 001 may also be used ...

Page 54: ...valve differential transducer 1 Press the Select button while VALVE DIFF is displayed VD 15 C MH2O is displayed 2 Disconnect both flexible tubes from the valve differential transducer on the analog board NOTE See instructions beginning on page 8 33 for tube routing diagrams tables and instructions ...

Page 55: ...t the tube from the syringe to the high pressure port of the valve differential transducer and observe the numbers displayed in the Tidal Volume setting window When the displayed value is stable press Select Record the number that was displayed when you pressed Select on the Calibration Worksheet PPP is displayed if the calibration was successful 5 Reconnect the flexible tubes from the solenoid ma...

Page 56: ... pressure steady Increase and maintain the pressure at 30 0 0 2 cmH2O Observe the numbers displayed in the Tidal Volume setting window When the displayed value is stable press Select Record the number that was displayed when you pressed Select on the Calibration Worksheet PPP 0 C MH2O is displayed 4 Disconnect the tube from the syringe to the PEEP pilot pressure transducer Observe the numbers disp...

Page 57: ...t port cap and connect the high pressure gas source to the O2 inlet port Set the O2 supply to 50 0 2 PSI 2 Turn off the O2 supply 3 Observe the gauge and record any drop in pressure Requirements The leakage rate shall be 1 PSI in one 1 minute 4 Record the leakage value on the Calibration Worksheet To calibrate the O2 inlet pressure transducer 1 Press the Select button while O2 INLET is displayed O...

Page 58: ...press Select O2 0 PSI is displayed 4 With the O2 inlet port open to ambient room air observe the values in the Tidal Volume window When value stabilizes record the number on the Calibration Worksheet Press Select MOTOR DRIVE is displayed if the calibration was successful If CAL FAIL appears at any time press Select to exit the calibration When O2 INLET is displayed press Select and perform the cal...

Page 59: ...tor off and disconnect the AC adapter before attaching the calibration tool 1 Turn the ventilator OFF and disconnect the AC adapter from the unit 2 Disconnect the 4 wire flow valve cable from J4 on the motor board and connect it to the male 4 wire connector on the calibration tool Connect the female 4 wire connector from the calibration tool to J4 on the motor board Connect the calibration tool to...

Page 60: ...x is displayed where the xxx is a numeric value 6 Set the calibration tool to ΦB The Phase B amp meter will show a positive value Turn the Set Value knob on the ventilator right or left until the amp meter reads 600ma or as close as possible and press Select ΦB 600ma xxx is displayed where the xxx is a numeric value 7 The Phase B amp meter will show a negative value Turn the Set Value knob on the ...

Page 61: ...a multimeter to measure frequency Connect the meter test leads as follows black lead to the meter COM connection red lead to the meter V connection 3 Set the meter selector to Voltage alternating or DC and change to a frequency measurement Hz 4 Connect the black meter test lead to chassis ground on the ventilator Touch the red meter test lead to PIN 15 of connector J5 on the Motor PCBA as shown be...

Page 62: ...ract 4000 and subtract this adjustment value from 4000 Example If the measured T S value is 3750 then the actual turbine speed setting should be 4250 If the measured T S value is 4250 then the actual turbine speed setting should be 3750 8 The actual T S shall be 3600 to 4600 RPM 9 Record the actual T S value on the Calibration Worksheet This value is used in the Performance Checkout patient port p...

Page 63: ...ral Checkout in Chapter 9 Final Checkout Test for test requirements 3 Install an O2 Sampling Tube See Back Panel Reinstallation in Chapter 8 Component Removal and Replacement for detailed instructions CAUTION Final Tubing Check Anytime internal flexible tubing is removed or replaced check to ensure all tubes have been correctly routed point to point and layering are fully connected on the ports or...

Page 64: ...50 FD Narrow Ambient Enter displayed value 128 3968 FD Narrow 4015 70 AD Enter value displayed under Tidal Volume window 3945 4085 FD Narrow Ambient Enter displayed value 128 3968 Valve Differential Pressure VD 15 cmH2O Enter displayed value For Software Version 05 04 1915 2340 For Software Version 05 04 1915 2521 VD Ambient LTV 1200 1150 Enter displayed value 40 328 VD Ambient LTV 1100 Enter disp...

Page 65: ...calibration procedure completely and in the stated order CAUTION Recalibration of the flow valve When recalibrating the flow valve this procedure must be followed completely and in the listed order of events Calibration of the valve differential see page 6 14 and stepper motor see page 6 20 must be performed prior to performing flow valve calibration 1 Determine the current configuration of the fl...

Page 66: ...eps 8 Turn the SERVO mode off by navigating to SERVO OFF and press the Select button 9 Rotate the Set Value knob to CONFIG Press the Select button and navigate to FLOW VALVE and press Select 10 Based off of the previous flow reading adjust the VHome value UP to DECREASE the flow or DOWN to INCREASE the flow and press the Select button to set the new value 11 Repeat steps 5 through 10 until the flo...

Page 67: ...livery Display Purpose Tidal Volume Sets the flow valve step position Insp Time Sets the flow in Lpm O2 Sets the delivered O2 High Pres Limit Low Pres Sets the turbine speed To turn off the servo functions press Select while SERVO OFF is displayed Servo functions are automatically turned off when you enter the Calibration menu To modify a SERVO setting 1 Press the associated button to select the c...

Page 68: ... OFF ExhDiffP OFF PPin OFF PPout OFF O2 1 OFF LTV 1200 only O2 2 OFF LTV 1200 only O2 3 OFF LTV 1200 only O2 4 OFF LTV 1200 only EXIT Use the Set Value knob to rotate between solenoid options To change the state of any solenoid press Select while it is displayed in the window Pressing Select toggles the state of the solenoid on and off Solenoids are automatically set to the off state when you ente...

Page 69: ...tor will begin to actuate continuously for approximately seven 7 minutes During the test the status monitor window display will change continuously To the right side of the display a numeric value will appear for example 3 to indicate the maximum number of step errors that have occurred during the test Upon completion of the test the status monitor window will automatically display the results of ...

Page 70: ...erating correctly To run the watchdog test 1 Press Select while WDOG TESTis displayed in the VENT MTNCE menu 2 The ventilator will restart and begin the normal POST tests At the end of POST the audible alarm will sound and a RESET alarm message will be displayed and the ventilator will resume operation Press Silence Reset twice to clear the alarm If the Watchdog Test fails Problem Possible Cause W...

Page 71: ... TEMP COMP SERIAL NUM25 CONFIG EXIT 1 Use the Set Value knob to rotate between options 2 To select an option press Select while it is displayed in the window 3 Pressing Control Lock exits to the previous menu without making any selections The menu selections are described further in the following pages NOTE The configuration menus are used to configure many models of LTV 25 The Serial Number menu ...

Page 72: ... for the selected unit The model selected should match the model number on the front of the ventilator The menu is set up as follows MODEL LTV 1200 LTV 1150 LTV 1100 LTV 1000 LTV 900 LTV 950 LTV 800 LTV EXIT CAUTION Configuration Errors Selecting an incorrect model number will not upgrade the unit and will cause features to be enabled or disabled inappropriately 1 The model selection can be checke...

Page 73: ...osition options 2 To select a home position press Select while it is displayed in the window 3 Pressing Control Lock exits to the previous menu without making any modifications to the home position 4 The valve home position selection can be viewed during normal operation in the VENT OP menu For information on Flow Valve Calibration procedures see Flow Valve Calibration in this chapter WARNING Inco...

Page 74: ...e range when the unit is warm or when the unit is cold The Configuration menu is set up as follows TEMP COMP TCOMP ON TCOMP OFF TCOMP EXIT If the Temperature Compensation is set to Off set it to On as follows 1 Press Select while TCOMP is displayed in the window 2 Rotate the Set Value knob until TCOMP ON is displayed 3 Press Select 4 Pressing Control Lock exits to the previous menu without making ...

Page 75: ...matically restored The selections clear the following data from the EEPROM memory Option Action CLR EVENTS Clears the event trace All events and associated dates times and data are removed CLR CONTROLS Clears the control settings All settings will be returned to their default values CLR CAL Clears the calibration records Once this is done the unit must be recalibrated CLR BAD REC Reclaims all inco...

Page 76: ...aintenance menu 1 Press Select while EXIT is displayed 2 VENT MTNCE is displayed To access the other main Extended Features menu options turn the Set Value knob to the desired item and press Select 3 To return the ventilator to normal operation see the instructions under Vent Maintenance Exit at the beginning of this section ...

Page 77: ...Page 6 38 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 78: ...ons Displays and Buttons Includes problems with control and window displays and with setting controls Ventilator Performance Includes problems with delivered or monitored pressure volume or PEEP accuracy sensitivity and triggering Advanced Vte Diagnostic Procedures Includes advanced diagnostic procedures for troubleshooting Vte problems involving transducer accuracy drift the pneumatic system and ...

Page 79: ...ure support breath terminated by time set under TIME TERM Pressure support breaths are normally terminated when the flow drops below the set percentage of the peak flow Pressure support breaths may also terminate on time when the variable time limit is reached before the flow drops to the set level See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for an explanation of the FLOW TERM and T...

Page 80: ...rols See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for an explanation of Control Limiting A display or LED does not illuminate Wrong model selected If an incorrect model is selected some controls may not be lit and will not operate Verify the model number selected in VENT MTNCE MODEL matches the model number on the front of the ventilator See Chapter 6 Maintenance Calibration for inst...

Page 81: ...l intensity and all other controls are dimmed See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for an explanation of how to use the controls Controls are limited A control s value may be limited by the current settings of other controls To change the value of the current control change the value of the flashing controls See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for an ex...

Page 82: ...he LTV 1200 1150 or 1100 Ventilator Operator s Manual for an explanation of this feature LPPS OFF is displayed LPP ALARM has been set to VC PC ONLY This is an informational message only See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for an explanation of this feature f PEEP OFF is displayed The High Breath Rate and High PEEP alarms are turned off This is an informational message only S...

Page 83: ... during the SBT mode of ventilation This is an informational message only See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for an explanation of this feature SBT HI OFF is displayed The SBT High Breath Rate alarm is turned off during the SBT mode of ventilation This is an informational message only See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for an explanation of this feat...

Page 84: ...d low pressure sense lines to be sure they are correctly attached and securely seated at both the ventilator and wye ends Verify lines are not occluded or pinched Internal flexible tubing occluded or pinched Internal flexible tubing has pinhole leaks or leaking at connections This problem will often be accompanied by XDCR FAULT alarms Open the vent and verify that none of the flexible tubes connec...

Page 85: ... The sense lines are not designed to be removed from either the wye or the Luer fittings If the sense lines have been removed and replaced incorrectly they may not seal correctly when replaced Replace the patient wye and sense lines with a known good assembly Failed auto zero Perform an auto zero under XDCR ZERO See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for more information VHome ...

Page 86: ... the wye are occluded Check high and low pressure sense lines to be sure they are correctly attached and securely seated at both the ventilator and wye ends Check the Luer fitting connections for leaks Check the elbow connectors at the wye to be sure they have not loosened or been broken loose Verify lines are not occluded or pinched Exhalation drive line leaking or loose Exhalation valve leaking ...

Page 87: ...uvers in between the upper and lower loop of the bypass flexible tube before seating the back cover If the bypass flexible tube is leaking replace it VHome setting does not match flow valve Correct the VHome setting See Chapter 6 Maintenance Calibration Failed calibration Recalibrate the vent See Chapter 6 Maintenance Calibration for instructions If the problem reoccurs after careful recalibration...

Page 88: ...fy the line is securely seated and not leaking Exhalation drive line leaking or loose Exhalation valve leaking during inspiration Check the exhalation drive line at both the ventilator and exhalation valve ends Verify the line is securely seated and not leaking Verify the exhalation valve is not leaking during inspiration If it is leaking open the exhalation valve and remove the diaphragm Reseat t...

Page 89: ...the back panel being sure to fit the louvers in between the upper and lower loop of the bypass flexible tube before seating the back cover If the bypass flexible tube is leaking replace it Internal flexible tubing occluded or pinched Internal flexible tubing has pinhole leaks or leaking at connections This problem will often be accompanied by XDCR FAULT alarms Open the vent and verify that none of...

Page 90: ...ation drive line at both the ventilator and exhalation valve ends Verify the line is securely seated and not leaking Failed auto zero Perform an auto zero under XDCR ZERO See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for more information VHome setting does not match flow valve Correct the VHome setting See Chapter 6 Maintenance Calibration Failed calibration Recalibrate the ventilator...

Page 91: ...er 6 Maintenance Calibration Failed calibration Recalibrate the vent See Chapter 6 Maintenance Calibration for instructions If the problem reoccurs after careful recalibration a transducer may be drifting excessive in Chapter 8 for instructions Internal flexible tubing occluded or pinched Internal flexible tubing has pinhole leaks or leaking at connections This problem will often be accompanied by...

Page 92: ...alation drive line at both the ventilator and exhalation valve ends Verify the line is securely seated and not leaking Pressure Control or Pressure Support set below PEEP Verify the control values are appropriately set Failed auto zero Perform an auto zero under XDCR ZERO See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for more information Leak Compensation is not on Verify that the Lea...

Page 93: ... is low Perform the Advanced FiO2 Diagnostic Procedures see page 7 27 Failed calibration Recalibrate the vent See Chapter 6 Maintenance Calibration for instructions If the problem reoccurs after careful recalibration a transducer may be drifting excessively Replace the analog board See Analog Board Assembly in Chapter 8 for instructions Internal flexible tubing occluded or pinched Internal flexibl...

Page 94: ...ecalibrate the vent See Chapter 6 Maintenance Calibration for instructions If the problem reoccurs after careful recalibration a transducer may be drifting excessively Replace the analog board See Analog Board Assembly in Chapter 8 for instructions Internal flexible tubing occluded or pinched Internal flexible tubing has pinhole leaks or leaking at connections Open the vent and verify that none of...

Page 95: ...heck the elbow connectors at the wye to be sure they have not loosened or been broken loose Verify lines are not occluded or pinched Failed calibration The monitored PEEP can be viewed using the RT XDCR DATA display See Real Time Transducer Data in Chapter 3 for instructions on using RT data If the monitored PEEP is significantly different from the actual PEEP the calibration may be off or the tra...

Page 96: ...the Advanced Vte Diagnostic Procedures see page 7 23 Delivered volume is high Diaphragm is incorrectly seated in the exhalation valve Open the exhalation valve and remove the diaphragm Reseat the diaphragm and snap the valve cap back in place See Cleaning the Reusable Exhalation Valve and Patient Circuit in Chapter 4 for a diagram of the exhalation valve assembly Ventilator won t trigger at sensit...

Page 97: ... occluded or pinched Check the exhalation drive line at both the ventilator and exhalation valve ends Verify the line is securely seated and not leaking Pressure Control or Pressure Support set below PEEP Verify the control values are appropriately set Failed auto zero Perform an auto zero under XDCR ZERO See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for more information Bypass flexib...

Page 98: ...mine if all solenoids are working correctly Perform the Advanced Vte Diagnostic Procedures see page 7 23 Ventilator is on gas is not delivered and turbine is not running RT XDCR DATA item TS shows speeds at or near 0 Defective or disconnected turbine The SERVO test may be used to set the turbine speed explicitly See Chapter 6 Maintenance Calibration for instructions on using the servo test The tur...

Page 99: ...er board Replace the power board See Power Board Assembly in Chapter 8 for instructions Defective thermo conductive heat sink pads Open the ventilator and inspect the two thermo conductive heat sink pads one attached to the back panel and one between the turbine manifold and the upper weldment Patient circuit leaks Ventilator must run harder to maintain PEEP Perform a Leak Test and reseat or repla...

Page 100: ...ressure transducer may be faulty and the analog PCBA should be replaced See Analog Board Assembly in Chapter 8 for instructions If the figures for FDw change by more than 50 the Flow Sensor transducer may be faulty and the analog PCBA should be replaced See Analog Board Assembly in Chapter 8 for instructions If the figures for AP and FDw change by less than 20 the unit passes this test and the Pne...

Page 101: ...lows Attach a test lung with a compliance of 10ml cmH2O and a resistance of 5 cm L sec Set Rise time Profile 5 Set Inspiration Time 1 0 sec Set Sensitivity OFF Set Pressure Control Flow Termination OFF 2 Set Pressure Control to 50 cmH2O and measure the Peak Inspiration Pressure PIP with a calibrated pressure meter If reading is between 46 to 54 cmH2O the unit is functioning properly If reading is ...

Page 102: ...so the connection is open to ambient air When the display value stabilizes verify the FDb readout is within 0 5 cmH2O O2 Oxygen Inlet Pressure 1 Apply 50 PSI to the high pressure oxygen inlet port and verify the readout is applied pressure 1 PSI 2 Disconnect from the ventilator so the connection is open to ambient air When the display value stabilizes verify the readout is 0 0 5 PSI Transducer Tol...

Page 103: ...ils the Step Test replace the flow valve See Flow Valve Assembly in Chapter 8 for instructions If the unit passes the Step Test proceed to the next step 3 Select SERVO ON and using a calibrated flow meter measure the output flow in 10 liter increments from 10 Lpm to the peak calculated flow To adjust the set flow rate see Servo in Chapter 6 for instructions If the peak flow is above 50 Lpm increas...

Page 104: ...ng for damage or leaks and replace any damaged components Perform a Calibration Check as follows 1 Power the unit up in VENT CHECK and select RT XDCR DATA O2 2 With the inlet open to ambient verify the readout is 0 5 PSI 3 With 50 PSI applied to the inlet verify the readout is 50 1 0 PSI 4 If either step fails recalibrate the transducer and repeat the test If the test still fails the oxygen transd...

Page 105: ... the power board and the blender O2 tube Pisco connector to the O2 pressure transducer on the analog board 3 Connect a calibrated flow meter to the blender output barb fitting and a 50 psi O2 source to the blender O2 inlet 4 Set DIP switch 5 to ON 5 Power the ventilator On in VENT MTNCE mode select SOLENOID and set solenoids 1 through 4 to Off 6 Verify each of four solenoid s output flow is 0 0 Lp...

Page 106: ...Assembly in Chapter 8 for instructions Vent Inop LED is on and ventilator is not ventilating Vent in Standby After the vent has been turned off and the external power is reconnected the Vent Inop LED is lit This is normal Press On Standby button to turn ventilator on Ventilator was running on internal battery and battery became depleted Connect ventilator to good external power source Vent Inop Po...

Page 107: ...es not reach full capacity after several charge cycles vent should run for more than 40 minutes on nominal settings replace the internal battery See Internal Battery Pack in Chapter 8 for instructions Defective power board If the battery won t charge completely after replacing it there may be a problem with the charge circuit on the power board Replace the power board See Power Board Assembly in C...

Page 108: ...han 40 minutes on nominal settings replace the internal battery See Internal Battery Pack in Chapter 8 for instructions Defective power board If the battery won t charge completely after replacing it there may be a problem with the charge circuit on the power board Replace the power board See Power Board Assembly in Chapter 8 for instructions Battery Charge Status LED is flashing red Defective pow...

Page 109: ... 3 seconds or for as long as the condition exists Some alarms such as HIGH PRES may clear almost immediately and the alarm will sound for only 3 seconds High pressure alarm delay is on HP DELAY is set to DELAY 1 BRTH or DELAY 2 BRTH When a high pressure condition is detected the HIGH PRES message is displayed and the High Pres Limit control is flashed If the HP DELAY option is set to NO DELAY the ...

Page 110: ...Board Assembly in Chapter 8 for routing information Defective exhalation drive solenoid Replace the solenoid manifold See Solenoid Manifold Assembly in Chapter 8 for instructions Repeated DISC SENSE alarms Circuit disconnected from patient wye or vent Exhalation valve disconnected from wye Check the circuit and exhalation valve to verify the circuit is securely connected and the valve is intact Op...

Page 111: ...leaking at connections This problem will often be accompanied by XDCR FAULT alarms Open the vent and verify that none of the flexible tubes connected to the solenoid manifold or analog board are pinched or leaking See Internal Flexible Tubing in Chapter 8 for routing information Defective transducer on analog board Replace the analog board See Analog Board Assembly in Chapter 8 for instructions De...

Page 112: ... power boards Replace the flow valve See Flow Valve Assembly in Chapter 8 for instructions Defective motor board Replace the motor board See Motor Board Assembly in Chapter 8 for instructions Defective power board Replace the power board See Power Board Assembly in Chapter 8 for instructions Repeated HW FAULT alarms fan not turning ventilator gets excessively hot Event Log shows FAN FLT1 Defective...

Page 113: ...ich causes the ventilator to go inoperative other than pressing and holding the On Standby button Event Log shows LN VENT1 This is a normal feature Press the Silence Reset button twice to clear the alarm RESET alarm Repeated RESET alarms Event Log shows CRC STACK POST or RUNAWAY RESET alarms CRC POST RUNAWAY STACK Check the Event Trace to determine the kind of error See the LTV 1200 1150 or 1100 V...

Page 114: ...al Patient circuit and or Exhalation valve occluded Disassemble clean and reassemble the Patient Circuit and Exhalation Valve See Cleaning the Reusable Exhalation Valve and Patient Circuit in Chapter 4 for a diagram of the exhalation valve assembly Internal problem with the ventilator If problem reoccurs immediately contact a certified CareFusion service technician Remote Alarm System does not wor...

Page 115: ...l System Contact Patient Assist Call System manufacturer or service personnel Internal problem with the ventilator Immediately contact a certified CareFusion service technician Patient Assist Call System generates a pulsating tone or light and manufacturers instructions indicate it should be a continuous tone or light PNT ASSIST option set to PULSE Set PNT ASSIST option to NORMAL See the LTV 1200 ...

Page 116: ...d reseat or replace the leaking parts or connections See the LTV 1200 1150 or 1100 Ventilator Operator s Manual for instructions Internal problem with the ventilator If problem reoccurs immediately contact a certified CareFusion service technician Repeated SBT f Vt alarms Total Breath Rate f is less than the set SBT f Vt alarm value Check SBT f Vt alarm value See the LTV 1200 1150 or 1100 Ventilat...

Page 117: ...ventilator to verify the opening is not blocked Alarm sounder disconnected Open the back of the ventilator and verify the alarm sounder is properly connected See page 8 55 for instructions Defective alarm sounder Replace the alarm sounder See page 8 55 for instructions Defective power board Replace the power board See Power Board Assembly in Chapter 8 for instructions Alarm Test Confirming audible...

Page 118: ...tructions Handle the ribbon cable carefully to avoid scratching or damaging it Front panel ribbon cable damaged Defective switch Replace the front panel See Front Panel in Chapter 8 for instructions Defective main board Replace the main board See Chapter 8 Main Board Assembly for instructions LEAK Test Leak test fails Circuit connections or accessories are leaking Wye is not properly capped Reseat...

Page 119: ...hapter 8 for instructions Vent Inop Alarm Test LED portion of Vent Inop Alarm test fails Vent Inop LED fails to illuminate Replace Main PCBA See Main Board Assembly in Chapter 8 for instructions Power PCBA does not drive Vent Inop LED Replace Power PCBA See Power Board Assembly in Chapter 8 for instructions Vent Inop Alarm Test Vent Inop alarm audible tone and or LED did not last 15 seconds fail P...

Page 120: ...ange to a larger lung Monitored volumes very high on test lung Test lung with small aperture connected directly to wye Some test lungs have a narrow opening or a restrictor which may cause jetting and cause the flow differential to be read incorrectly To reduce the jetting effect add a short extension between the test lung and the wye if clinically advisable Very small ET tube connected directly t...

Page 121: ...Page 7 44 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 122: ...wear a grounded anti static wrist strap when handling the ventilator with the case open Electrostatic discharge can damage the internal electronics NOTE When servicing the ventilator always refer to the Back Panel Reinstallation instructions in this chapter for a comprehensive list of components that should be replaced or updated or tasks that must be completed before closing up the ventilator Tra...

Page 123: ...tenance and Calibration processes or Component Removal and Replacement procedures see Appendix E Reference Information Calling for Assistance If a problem occurs while maintaining the LTV 1200 1150 or 1100 ventilator or if you require additional information you can contact a trained Technical Support representative at CareFusion Respiratory Systems 22745 Savi Ranch Parkway Yorba Linda California 9...

Page 124: ...replacing the back panel Several checks must be made before reinstalling the back panel Follow the guidelines listed under Back Panel Reinstallation in this chapter After performing any maintenance After performing maintenance on the LTV 1200 1150 or 1100 the tests detailed in Chapter 9 Final Checkout Test must be run Some maintenance procedures also require that the LTV 1200 1150 or 1100 ventilat...

Page 125: ... to allow removal of the back panel Permanent Removal for permanent removal of the boots Reinstallation to reinstall boots after ventilator maintenance New Installation to install new boots where they were not previously installed WARNING Mounting Screw Use Internal damage to the ventilator may result if the wrong length mounting screws are used when installing or removing external accessories Acc...

Page 126: ...ght position on a clean dry surface 2 Using a Philips screwdriver remove the two flat head mounting screws and finish washers in the legs of the upper boot and the two flat head mounting screws and finish washers in the sides of the upper boot as indicated in the illustration 3 Retain the screws and finish washers for reuse when the upper boot is reinstalled 4 Remove the upper boot 28 Contained in...

Page 127: ...ps head screwdriver to remove the four flat head mounting screws and finish washers in the sides of the lower boot as indicated in the illustration below 2 Retain the screws and finish washers for reuse when the lower boot is reinstalled 3 Remove the lower boot 30 See Appendix E Reference Information External Accessories Screw Location Type and Length for additional information ...

Page 128: ...the two flat head mounting screws and finish washers in the sides of the upper boot as shown in the illustration on the next page 3 Remove the upper boot and insert and thread two 1 4 pan head mounting screws of the correct length into the screw holes in the ventilator s back panel as shown in the illustration on the next page WARNING Specific boot screw location Make sure that the correct screw i...

Page 129: ...anels as shown in the illustration Finish washers should be already in place 5 Torque tighten the mounting screws to these specified values Torque tighten the screws in the back panel of the ventilator to 60 in oz 0 42 Nm Torque tighten the two screws in the sides of the ventilator to 20 in oz 0 14 Nm CAUTION Damage to finish washers Do not over tighten screws to avoid damage to the finish washers...

Page 130: ... illustration below 2 Remove the lower boot and insert and thread four 1 4 flat head mounting screws with finish washers into the screw holes in the ventilator s side panels as indicated in the illustration below Finish washers should be already in place 3 Torque tighten all four screws to 20 in oz 0 14 Nm CAUTION Damage to finish washers Do not over tighten screws to avoid damage to the finish wa...

Page 131: ...s four screw holes with the corresponding holes in the ventilator back and side panels 3 Insert and thread two 1 2 4 40 flat head mounting screws with finish washers through the screw holes in the sides of the upper boot as indicated in the illustration on the next page 4 Insert and thread two 3 8 flat head mounting screws with finish washers through the screw holes in the legs of the upper boot a...

Page 132: ...ighten the mounting screws to these specified values Torque tighten the screws in the legs of the boot to 60 in oz 0 42 Nm Torque tighten the screws in the sides of the boot to 20 in oz 0 14 Nm CAUTION Damage to finish washers Do not over tighten screws to avoid damage to the finish washers ...

Page 133: ... holes with the corresponding holes in the ventilator side panels 3 Insert and thread four 1 2 4 40 flat head mounting screws with finish washers through the screw holes in the sides of the lower boot as indicated in the illustration below 4 Torque tighten all four screws in the boot to 20 in oz 0 14 Nm CAUTION Damage to finish washers Do not over tighten screws to avoid damage to the finish washe...

Page 134: ...shown in the illustration on the next page Move the boot down into position on the top of the ventilator and align its four screw holes with the corresponding holes in the ventilator back and side panels 4 Insert and thread two 1 2 flat head mounting screws with finish washers through the screw holes in the sides of the upper boot as indicated in the illustration on the next page 5 Insert and thre...

Page 135: ...ighten the mounting screws to these specified values Torque tighten the screws in the legs of the boot to 60 in oz 0 42 Nm Torque tighten the screws in the sides of the boot to 20 in oz 0 14 Nm CAUTION Damage to finish washers Do not over tighten screws to avoid damage to the finish washers ...

Page 136: ...ottom of the ventilator and align its four screw holes with the corresponding holes in the ventilator side panels Ensure the orientation arrows on the bottom of the boot are aligned up as shown below 3 Insert and lightly thread four 1 2 flat head mounting screws with finish washers through the screw holes in the sides of the lower boot as indicated in the illustration below 4 Torque tighten all fo...

Page 137: ...t LTM to LTV mounting bracket 1 p n 18081 001 Phillips screwdriver with torque meter 7 64 Allen wrench In order to accommodate an LTM Graphics Monitor an LTM LTV mounting assembly must be attached to the LTV 1200 1150 or 1100 ventilator To access internal components of the LTV ventilator for service the mounting bracket must be removed This section is divided into four sub sections to accommodate ...

Page 138: ...mporary removal current model LTM Parts required for replacement Tools required None Phillips screwdriver with torque meter 1 Use a small Philips screwdriver and remove the five back panel mounting screws and the LTM mounting assembly as shown Retain the screws for reuse when the mounting assembly is reinstalled ...

Page 139: ...see instructions on page 8 17 2 Insert five 1 4 back panel replacement mounting screws from the replacement screws kit P N 11149 and torque tighten to 60 in oz 0 42 Nm 3 You may need to apply some pressure to the back panel and housing to correctly align the threads and insert the screws WARNING Mounting Screw Use Internal damage to the ventilator with resulting harm to the patient may result if t...

Page 140: ...own in the illustration below 2 Place the mounting assembly onto the ventilator and align the screw slots with the corresponding screw holes in the ventilator 3 Insert and thread five 4 40 X 3 8 pan head screws P N 10879 through the screw slots in the legs and top of the mounting bracket as indicated in the illustration 4 Torque tighten all five mounting screws to 60 in oz 0 42 Nm You may need to ...

Page 141: ...rong length mounting screws are used when installing or removing external accessories Accessory mounting screws Refer to the information supplied with replacement screws kit P N 11149 to determine the appropriate accessory mounting screws or accessory replacement screws to use when removing or exchanging external accessories on an LTV 1200 1150 or 1100 ventilator The following illustration shows t...

Page 142: ...t onto the ventilator and align the mounting bracket screw slots with the corresponding screw holes in the ventilator 5 Insert and thread five 4 40 X 3 8 pan head screws P N 10879 through the screw slots in the legs and top of the mounting bracket as indicated in the illustration 6 Torque tighten all five mounting screws to 60 in oz 0 42 Nm You may need to apply some pressure to the back panel and...

Page 143: ...crew use Internal damage to the ventilator may result if the wrong length mounting screws are used when installing or removing external accessories Accessory mounting screws Refer to the information supplied with the replacement screws kit P N 11149 to determine the appropriate accessory mounting screws or accessory replacement screws to use when removing or exchanging external accessories on an L...

Page 144: ...ly remove the LTM LTV mounting bracket 1 Lay the disconnected ventilator on a clean dry surface Use a 7 64 Allen wrench to remove the three mounting block screws and mounting block as shown below Retain the screws for reuse when the mounting block is reinstalled 2 Use a small Philips screwdriver and remove the five ventilator back panel mounting screws and LTM LTV mounting bracket as shown Retain ...

Page 145: ... mounting bracket 1 Remove the LTM LTV mounting block and bracket see instructions on page 8 23 2 Insert five 1 4 back panel replacement screws from the replacement screws kit P N 11149 and torque tighten to 60 in oz 0 42 Nm 3 You may need to apply some pressure to the back panel and housing to correctly align the threads and insert the screws WARNING Specific bracket replacement screw location Us...

Page 146: ...acket on the ventilator and align its screw slots with the screw holes in the ventilator back panel 2 Insert five 4 40 3 8 ventilator back panel mounting screws P N 10879 and torque tighten to 60 in oz 0 42 Nm You may need to apply some pressure to the back panel and housing to correctly align the threads and insert the screws WARNING Screw location Use of incorrect screws can cause ventilator fai...

Page 147: ...t must be removed in order to mount the LTM LTV mounting bracket See page 8 7 for instructions 1 Lay the disconnected ventilator on a clean dry surface use a Philips screwdriver and remove the five back panel mounting screws as shown in the illustration below 2 Orient the ventilator and mounting bracket as shown in the illustration on the next page position the bracket on the ventilator and align ...

Page 148: ... screws P N 10879 and torque tighten to 60 in oz 0 42 Nm You may need to apply some pressure to the back panel and housing to correctly align the threads and insert the screws 4 Orient the mounting block to the mounting bracket as shown in the illustration and align its three counter bored holes to the corresponding PEM nuts on the bracket 5 Insert three mounting block screws use a 7 64 Allen wren...

Page 149: ...side 3 Remove the 3 flat head screws from the top of the ventilator as shown 4 Lift the back panel off by separating the back panel at the top edge pulling up gently and sliding the bottom edge out from under the connecting upper Weldment edge at the bottom of the case Remove the back panel carefully so the long tab extending to the oxygen blender is not bent or damaged 5 Turn the back panel on ed...

Page 150: ... in Chapter 6 you will need to measure the turbine speed as shown on page 6 22 before replacing the back panel This is required in order to complete the Final Checkout tests in Chapter 9 1 Before replacing the back panel verify that any DIP switch settings have been restored to their correct positions as shown below 2 Turn the ventilator face down 3 Check the serial number on the back of the venti...

Page 151: ...cting the Flow Differential transducer to the solenoid manifold does not loop past the edge of the power PCBA 11 Verify that no tubing is kinked or twisted and that it will not be pinched when compressed by the back panel Refer to the routing instructions tables and diagrams beginning on page 8 33 to check the tubing routing Always check ALL tube routing for kinks or compression that might result ...

Page 152: ...pling Tube as shown in the illustration through the louver in the side panel between the Solenoid Manifold and the Analog PCBA under the Flow Differential Transducer over the tube attached to Solenoid Manifold port 9 side port between the Valve Differential Transducer low and high pressure ports under the Airway Pressure Transducer port under the Pisco connector over the Motor PCBA beside the Moto...

Page 153: ...r the ventilator Slide the bottom edge of the back panel beneath the connecting upper Weldment edge at the bottom of the case Be sure that the louvers in the bottom edge of the back panel are hooked under the bypass tube from the turbine to the flow valve 21 Align the back panel so the long tab over the oxygen blender block lines up correctly Check that the battery leads are clear of the motor boa...

Page 154: ... has been removed it must be reattached as originally configured in order to ensure the proper operation of the ventilator CareFusion recommends that technicians review and become familiar with the existing tubing configuration prior to removing individual tubes and strictly adhere to the replacement instructions provided when reattaching them point to point and layering Tubing Overview Diagram ...

Page 155: ...ting 11834 or 18339 006 Silicone Clear 0 188 0 005m 0 094 0 002m O D I D 3 25 0 1 0 083m 1 Between port 3 on solenoid manifold airway pressure transducer PT6 10458 or 18337 001 Silicone Clear 0 156 0 004m 0 094 0 002m O D I D 3 70 0 1 0 094m 1 Between port B on accumulator PEEP pilot pressure transducer PT2 10458 or 18337 003 Silicone Clear 0 156 0 004m 0 094 0 002m O D I D 4 70 0 1 0 118m 1 Betwe...

Page 156: ... 0 005m 0 094 0 002m O D I D 5 50 250 0 140m 1 Between flow valve bottom nylon fitting elbow fitting from valve diff transducer PT7 Solenoid Manifold Tube Routing Table Solenoid Manifold Port Number Port Tubing Routed Tubing Tubing Assy P N 1 Onto the high pressure port on the Valve Differential Transducer PT7 through a tee elbow subassembly 18624 001 2 Onto the Flow Differential Transducer PT4 18...

Page 157: ...port 1 18336 005 Pilot in Middle Through a wye subassembly onto the tee fitting in a tube tee subassembly attached to Solenoid Manifold port 9 18336 004 Pilot in Bottom Into a plug subassembly 18336 003 Pilot out Top N A nothing attached to this port Pilot out Middle To a tee fitting positioned next to the louver on the side panel 18336 006 Pilot out Bottom Through a wye subassembly onto the tee f...

Page 158: ...ry cable from the Power PCBA see instructions on page 8 28 2 Review and become familiar with the existing tubing configuration prior to removing individual tubes and strictly adhere to the replacement instructions when reattaching them point to point and layering 3 Remove only the tubing or components that needs replaced upgraded or removed in order to access other components requiring service all...

Page 159: ...with subassembly construction and initial tube attachment requirements to the Solenoid Manifold and Solenoid Mount assemblies the instructions are grouped together and sequenced as necessary to accommodate all required tubing point to point connections routing and layering configurations 1 Inspect all flexible tubes for excessive wear tears or cuts and replace if worn or damaged See Tubing Table i...

Page 160: ...bing P N 11834 Port 8 2 40 of tubing P N 11834 2 Insert the smaller end O D of Elbow fitting P N 11592 into 0 62 of tubing P N 11834 and attach the tubing to manifold port 7 3 Construct a Tee Elbow subassembly as follows Insert Tee fitting P N 18186 001 into 1 10 and 0 62 of tubing P N 11834 Insert the larger end O D of the Elbow fitting P N 10958 into the open end of the 0 62 of tubing ensure tha...

Page 161: ... 9 5 Attach the Tee Elbow subassembly to solenoid manifold port 1 oriented as shown with the open end of the tee facing towards the tube on port 2 the open end of the elbow facing towards the Purge Solenoids 6 Attach the Tube and Tee subassembly to solenoid manifold port 9 so that the open end of the tee is oriented as shown when the tubing is bowed over as shown 7 As applicable install the Soleno...

Page 162: ... each top end 2 of Wye fitting P N 18185 001 and a 0 50 tubing P N 10456 to the bottom end insert Restrictor P N 18551 022 red in center up to a maximum of 0 50 into either one of the top tubes big end inserted last 3 Construct a Filter subassembly as follows insert Filter P N 18552 001 screen in center up to a maximum of 0 50 into a 1 60 tubing P N 10456 tapered end inserted first 4 Construct a T...

Page 163: ...d restrictor will slide farther into tube during attachment attach the other top tube of the Wye subassembly onto the bottom port of the Pilot out solenoid attach the end of the Filter subassembly tube with the filter onto the top port of the Pilot in solenoid filter will slide farther into tube during attachment attach the open end of the Tee subassembly to the middle port of the Pilot out soleno...

Page 164: ...A P N 18242 001 for installation as follows attach 0 50 of tubing P N 10456 to the high and low pressure ports onto at least two thirds of the height of the fittings on the Valve Differential Transducer attach 0 85 of tubing P N 10626 onto the Flow Differential Transducer 2 As applicable install the Analog PCBA see instructions on page 8 57 ...

Page 165: ...t 4 onto ventilator side panel Low Pressure port port 8 over tubing from port 4 and onto ventilator side panel High Pressure port 2 Insert the elbow fitting attached to the Tee and Elbow subassembly on Solenoid Manifold Port 1 into the tubing on the High Pressure port on the Valve Differential Transducer the Tee and Elbow subassembly is routed under the Flow Differential Transducer and PEEP Pilot ...

Page 166: ...ten each to 20 in oz 0 14Nm 2 Position the Purge Solenoid Power PCBA cable connectors temporarily out of the way as shown and route the 4 wire cable on the Pilot Solenoid Power PCBA cable assembly under the Accumulator mounting tab on the Manifold to Back Panel Spacer and between the Purge Solenoids and the Turbine Manifold Attach the connector to the 4 wire connector JP16 on the Power PCBA The co...

Page 167: ...o position loop and position the excess Pilot Solenoid Power PCBA cable as shown in the illustration 4 Attach the Solenoid Mount assembly to the end of the Manifold to Back Panel Spacer using the screw P N 17682 103 4 24 X 3 8 pan head and washer P N 18032 001 on the Solenoid Mount 5 Align and hold the Solenoid Mount parallel to the Solenoid Manifold so that it does not touch it and torque tighten...

Page 168: ... in the Tee and Elbow subassembly attached to Solenoid Manifold port 1 8 Route the Tee subassembly between the tubes on Solenoid Manifold ports 3 and 4 under the elbow fitting on port 7 and between Solenoid Manifold ports 6 and 7 the tee on the end of the tube must be positioned at the opening of the Louver to the outside of the LTV 9 Insert the elbow fitting attached to the tubing on Solenoid Man...

Page 169: ...lenoids over previously installed tubing and under the Accumulator mounting tab on the Manifold to Back Panel Spacer as shown 2 Route the clear tube from the Flow Valve between the ventilator side panel Exhalation Valve and Low Pressure ports over previously installed tubing and onto Solenoid Manifold port 5 3 Attach the tube from Solenoid Manifold port 6 over the clear tube from the Flow Valve an...

Page 170: ... from Solenoid Manifold port 9 onto port A of the Accumulator 6 Attach the open end of the 3 70 tube from the PEEP Pilot Pressure Transducer onto port B of the Accumulator 7 Align and lower the Accumulator into position on the spacer mounting tabs verify the tubing from ports A and B are not kinked and do not overlap 8 Insert two 7 16 pan head screws P N 10433 through the Accumulator mounting tabs...

Page 171: ...ort 2 under the tube and tee attached to Solenoid Manifold port 7 over the previously attached tubing through the notch in the Analog PCBA and onto the Flow Differential Transducer port as shown do not loop past the edge of the Power PCBA into the area for the Internal Battery 3 Route the 3 wire Flow Valve cable from the Flow Valve over previously installed tubing and the Accumulator Attach the co...

Page 172: ...ding the Pisco connector to ensure they are both properly attached 6 Route the 4 wire Flow Valve cable over previously installed tubing and attach the connector to the 4 wire connector J4 on the Motor PCBA as shown The connector is keyed to fit only one way and will snap into place when properly aligned for clarity a warning label WARNING DO NOT DISCONNECT WHILE UNIT IS ON attached to the 4 wire c...

Page 173: ...it only one way and will snap into place when properly aligned 9 Attach the Purge Solenoid connectors 2 onto the Purge Solenoids either connector onto either solenoid with the wire loop over previously installed tubing as shown hold the Purge Solenoids in place while attaching the cable connectors CAUTION Final Tubing Check Anytime internal flexible tubing is removed or replaced check to ensure al...

Page 174: ...he accumulator 1 Reconnect the flexible tubes to the accumulator 2 Tuck the flexible tube from Port B of the accumulator down between the purge solenoids and the turbine manifold spacer Attach the accumulator to the spacer using two 2 7 16 pan head screws P N 10433 and verify the tubing from ports A and B are not kinked and do not overlap Torque the mounting screws to 60 in oz 0 42 Nm 3 Reconnect ...

Page 175: ...Page 8 54 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 176: ... N 10435 Phillips screwdriver with torque meter Grounded anti static wrist strap To replace the Sounder Assembly 1 Remove the ventilator back panel and disconnect the internal battery cable from the power board see instructions on page 8 28 Remove the left and right soft side panels 2 Disconnect the 2 wire sounder connector from the power board 3 Remove the 1 4 pan head screw from the sounder brac...

Page 177: ...under assembly wire connector should be indexed towards the vertical tab on the power board connector When properly seated it will snap into place 10 Install an O2 Sampling Tube48 See Back Panel Reinstallation in Chapter 8 Component Removal and Replacement for detailed instructions 11 Verify that no tubing is kinked or twisted and that it will not be pinched when compressed by the back panel Refer...

Page 178: ... meter Grounded anti static wrist strap To replace the Sounder Assembly 1 Remove the ventilator back panel and disconnect the internal battery cable from the power board see instructions on page 8 28 Remove the left and right soft side panels 2 Disconnect the 2 wire sounder connector from the power board 3 Remove the 1 4 pan head screw from the sounder bracket previous version or sounder assembly ...

Page 179: ...e vertical tab on the power board connector When properly seated it will snap into place 9 Install an O2 Sampling Tube49 See Back Panel Reinstallation in Chapter 8 Component Removal and Replacement for detailed instructions 10 Verify that no tubing is kinked or twisted and that it will not be pinched when compressed by the back panel Refer to the configuration instructions tables and diagrams begi...

Page 180: ...atic wrist strap To replace the analog board 1 Remove the back panel of the ventilator and disconnect the internal battery cable see instructions on page 8 28 2 Detach the 6 flexible tubes from the analog board one orange tube from the flow valve one tube from the accumulator and 4 from the solenoid manifold NOTE Tubing Configurations When disconnecting tubes note their positions and review the in...

Page 181: ... Disconnect the Pisco connector from the oxygen pressure transducer To do this pinch the collar on the Pisco connector away from the Analog board as shown LTV 1200 only 5 Disconnect the 2 wire flow valve thermistor cable from the power board 6 Remove the two green screws that attach the analog board to the power board and remove the analog board ...

Page 182: ...ables diagrams and instructions on page 8 33 To the valve differential transducer high side from the tee fitting to port 1 of the solenoid manifold To the pilot pressure transducer from port B of the accumulator To the flow differential transducer large diameter port from port 7 of the solenoid manifold To the flow differential transducer small diameter port from port 2 of the solenoid manifold th...

Page 183: ...n O2 Sampling Tube50 See Back Panel Reinstallation in Chapter 8 Component Removal and Replacement for detailed instructions 8 Verify that no tubing is kinked or twisted and that it will not be pinched when compressed by the back panel Refer to the routing instructions tables and diagrams beginning on page 8 33 to check the tubing routing Always check ALL tube routing for kinks or compression that ...

Page 184: ...t cleaning brush To clean or replace the External Inlet filter 1 Gently pinch the external inlet filter and remove it from its housing on the left side of the ventilator 2 Clean the filter using a mild cleanser and warm water Rinse the filter thoroughly to remove all traces of the cleanser and gently wring it out Allow the filter to dry completely before replacing it in the ventilator 3 Inspect th...

Page 185: ... closest to the power board Flow direction indicator should be directed towards the inside of the unit 7 Replace the 2 screws P N 10499 and nuts P N 10342 holding the fan assembly in place Screws should be torqued to 40 in oz 0 28 Nm Care should be taken to be sure the DIP switch settings are not changed DIP switches are located directly below the fan assembly 8 Connect the 2 wire connector from t...

Page 186: ...nd pulling it out NOTE If you touch the fan blades while removing the fan filter grill or filter a HW FAULT may occur This is normal Clear the HW FAULT alarm by using the Silence Reset button 3 Gently bathe the filter in a solution of a mild liquid detergent and warm water 4 Remove all detergent by thoroughly rinsing the filter in warm water 5 Examine the filter for damage discard and replace if n...

Page 187: ...flow valve connector from the motor board 3 Disconnect the Pisco connector from the oxygen pressure transducer on the analog board as shown LTV 1200 only 4 Disconnect the 3 wire flow valve connector from the power board 5 Disconnect the orange flow valve tube from the analog board and the tube connecting the flow valve to the solenoid manifold at port 5 NOTE Tubing Configurations When disconnectin...

Page 188: ...peak flow Vcalc is relatively low 30 LPM In these situations cleaning of the Flow Valve poppet is an acceptable repair action 1 Position the Flow Valve Assembly as in FIGURE 1 2 Press and hold the Flow Valve Push Rod inward at the rear of Flow Valve Assembly such that the Flow Valve Poppet is positioned as far towards the step motor as allowed 3 Use a non metallic object such as a wood handled cot...

Page 189: ... Manual p n 18603 001 Rev J FIGURE 1 4 Wrap the alcohol wipe around the Flow Valve Poppet as shown below in FIGURE 2 and pull forward and back several times to wipe the surface of the Flow Valve Poppet See FIGURE 3 for detail of Poppet surface FIGURE 2 ...

Page 190: ...he Flow Valve Poppet surface 7 Re install Flow Valve Assembly into ventilator following the instructions in this chapter 8 Measure the delivered flow of the ventilator by performing Step 8 Servo Test of the Performance Checkout as outlined in Chapter 9 Performance Checkout 9 If measured flow is not within the specified limits recalibrate the Flow Valve per Chapter 6 Flow Valve Calibration and repe...

Page 191: ...e shipped with 6 00 clear silicone tubing to accommodate use on most LTV ventilators For use with LTV 1200 1150 and 1100 ventilators the tube must be cut to a total length of 5 00 0 250 prior to installing the new Flow Valve 3 New Flow Valve assemblies are also shipped with Spiral Wrapping on the 4 wire connector cable For use with LTV 1200 1150 and 1100 ventilators the Spiral Wrap must be gently ...

Page 192: ...be slipped into place without rolling or damaging the valve sealing gasket 4 Slide the new flow valve assembly into place Be sure not to catch any tubing or wiring under the manifold while it is being installed The flow valve must be lined up so the screw seats on the inside of the upper weldment fit into the keyed slots in the bottom of the flow valve assembly 5 Once the screw seats are in the sl...

Page 193: ...rough the notch in the analog PCBA and connect it to JP8 on the power board as shown The cable should tuck behind the capacitors on the power board to avoid strain NOTE Make certain the Thermistor Cable does not interfere with the flow valve operation and that it does not strain the tubing connected to the solenoid manifold and analog PCBA ...

Page 194: ...solenoid manifold See internal flexible tube routing tables instructions and diagrams on page 8 33 11 Connect the 3 wire connector to the power board and the 4 wire connector to the motor board Both connectors are keyed to install in one direction only and will snap into place when properly connected 12 Reconnect the Pisco connector to the oxygen pressure transducer on the analog board LTV 1200 on...

Page 195: ...stallation in Chapter 8 Component Removal and Replacement for detailed instructions 19 Verify that no tubing is kinked or twisted and that it will not be pinched when compressed by the back panel Refer to the configuration instructions tables and diagrams beginning on page 8 33 to check the tubing routing Always check ALL tube routing for kinks or compression that might result in restricted flows ...

Page 196: ...sconnecting tubes note their positions and review the internal flexible tube routing tables instructions and diagrams beginning on page 8 33 If tubing needs to be replaced consult the tables and instructions in Internal Flexible Tubing beginning on page 8 33 for tubing diameters lengths and routing diagrams 3 Disconnect the Pisco connector from the oxygen transducer on the analog board LTV 1200 on...

Page 197: ... assembly and remove the two screws holding down the accumulator Move the solenoid mount assembly and the accumulator from the spacer Remove the spacer and set aside away from the ventilator NOTE The analog board solenoid manifold and solenoid mount assembly cable may be left attached to the power board 12 Remove the power board see instructions on page 8 105 The analog board may be left attached ...

Page 198: ...or on the keypad ribbon cable open as shown below and carefully remove the ribbon cable from the connector 14 Using a dental pick or flat tip screwdriver lift one corner of the membrane panel and overlay Pull the membrane panel and overlay away from the upper weldment Removing the panel will destroy it 15 Remove all adhesive or panel parts from the front of the upper weldment The surface must be c...

Page 199: ...nto place making sure the adhesive is well seated in all places 5 Turn the ventilator over Reconnect the ribbon cable see instructions on page 8 86 Be careful not to scratch the ribbon cable 6 Replace the power board see instructions on page 8 105 7 Replace the alarm sounder see instructions on page 8 55 8 Reconnect the 2 wire fan connector 4 wire rotary switch connector and 2 wire sounder connect...

Page 200: ...433 Screws should be torqued tightened to 60 in oz 0 42 Nm 14 Replace the motor board Use care when aligning the pass through connectors see instructions on page 8 94 15 Reinstall the flow valve assembly and reconnect the orange and clear flow valve tubing see instructions on page 8 66 16 Reconnect the 3 wire flow valve connector to the power board The connector is keyed to fit in only one directi...

Page 201: ...ge 8 29 23 Enter the Ventilator Checkout menu by powering up the ventilator while holding the Select button Run the Display Test see instructions on page 2 4 Running this test assists in the proper alignment of the overlay panel 24 While running the display test install the overlay panel on the front of the ventilator Remove the paper backing from the top side of the membrane panel and apply the o...

Page 202: ...short duration transports The length of time the ventilator will operate on battery power is a function of many factors such as settings charge level and condition or age of the battery therefore the use of the internal battery as a standard operating practice is not recommended To remove and replace the battery pack 1 Position the LTV 1200 1150 or 1100 ventilator as shown front side down on a cle...

Page 203: ...connector and cable from their protective enclosures 4 Press the connector release latch disconnect the battery wire connector and set the original battery aside 5 Set the replacement battery on the battery cover and reconnect the battery connector 6 Position the battery over the compartment fully insert the connector into the connector enclosure and route the cable into the recessed area under th...

Page 204: ...attery compartment keep the battery connector wires between the case and the side of the battery not under or above the battery 9 Close the battery cover replace the battery cover screws and use a torque driver and 3 32 hex bit to torque tighten to 120 in oz 0 84Nm 10 Prior to initial use of the ventilator charge the replacement battery by plugging the ventilator into an AC power source for 24 hou...

Page 205: ... or CareFusion Store the ventilator at temperatures less than 60 C 140 F A new battery should be charged on standby for 24 hours prior to use on a patient CAUTION Storage Temperature Storing the LTV ventilator and or the internal battery at temperatures above 60 C 140 F for long periods can damage the internal battery and cause expected battery duration to degrade Battery Disposal The LTV 1200 115...

Page 206: ...r dental pick if necessary Be careful not to damage the edge of the filter as it must seal against the adjacent surfaces 3 Clean the filter using a gentle cleanser and a soft brush Dry the filter completely 4 Inspect the filter for damage If the filter screen is not intact shows signs of damage or if the edge is damaged replace with a new filter 5 Orient the filter as shown with the thickest foam ...

Page 207: ...ctions on page 8 94 NOTE Tubing Configurations When disconnecting tubes note their positions and review the internal flexible tube routing tables instructions and diagrams beginning on page 8 33 If tubing needs to be replaced consult the tables and instructions in Internal Flexible Tubing beginning on page 8 33 for tubing diameters lengths and routing diagrams 4 Disconnect the Pisco connector from...

Page 208: ... set spacer aside away from the ventilator NOTE The analog board solenoid manifold and the solenoid mount assembly cable may be left connected to the power board 12 Remove the power board see instructions on page 8 105 Take care not to catch the power board on the sounder bracket while removing it 13 Slide the ZIF connector on the keypad ribbon cable open and carefully remove the ribbon cable from...

Page 209: ...o hex standoffs 15 Hold the ribbon cable out of the way and remove the main board CAUTION Damage to the ribbon cable Do not scratch the ribbon cable with the edge of the board even minor scratches on the connections can cause the keypad connections to fail 16 Remove the memory board from the main board see instructions on page 8 92 ...

Page 210: ...ide the ZIF connector closed CAUTION Damage to the ribbon cable Attempting to insert the ribbon cable into a closed ZIF connector will damage the ribbon cable and you may have to replace the front membrane panel 20 Reattach the memory board to the main board see instructions on page 8 92 21 Replace the power board see instructions on page 8 105 22 Replace the alarm sounder see instructions on page...

Page 211: ...s at the connecting ends and replace worn or damaged tubes if necessary NOTE Tubing Configurations When disconnecting tubes note their positions and review the internal flexible tube routing tables instructions and diagrams beginning on page 8 33 If tubing needs to be replaced consult the tables and instructions in Internal Flexible Tubing beginning on page 8 33 for tubing diameters lengths and ro...

Page 212: ...ressure transducer on the analog board LTV 1200 only 37 Reconnect the 4 wire connector from the flow valve and the 3 wire and 5 wire connectors from the turbine to the motor board These connectors can only be installed in one direction and will snap into place when properly connected 38 Reconnect the 2 wire flow valve temperature connector to the power board The connector can only be installed in ...

Page 213: ...roneous operation may result from the installation of incompatible software Generally LTV ventilator software is designed to be backwards compatible Parts required for replacement Tools required Programmed Memory PCBA P N 17476 001 Grounded anti static wrist strap To remove the Memory Board 1 Remove the ventilator back panel and disconnect the internal battery cable from the power board see instru...

Page 214: ...Back Panel Reinstallation in Chapter 8 Component Removal and Replacement for detailed instructions 4 Reconnect the internal battery and replace the back panel see instructions on page 8 29 5 To verify the new software version power up the vent and enter the Extended Features menu Select VENT OP and rotate the knob until the VER string is displayed Verify that the version string displayed matches t...

Page 215: ...t strap To replace the Motor Board 1 Remove the back panel of the ventilator and disconnect the internal battery cable see instructions on page 8 28 2 Disconnect the 4 wire connector from the flow valve and the 3 wire and 5 wire connectors from the turbine 3 Remove the 4 motor board mounting screws 4 Pull the motor board straight up and off the mating power board connectors Be careful to pull the ...

Page 216: ...nto the mounting holes in the motor board and torque tighten to 60 in oz 0 42 Nm 5 Reconnect the 4 wire connector from the flow valve and the 3 wire and 5 wire connectors from the turbine The connectors are keyed to fit in only one direction and will snap into place when properly connected 6 Install an O2 Sampling Tube60 See Back Panel Reinstallation in Chapter 8 Component Removal and Replacement ...

Page 217: ... Mylar P N 14206 Torque screwdriver 120 in oz 0 84 Nm When replacing the O2 blender assembly LTV 1200 or O2 Block LTV 1150 and 1100 it is easiest to remove several components and replace them together These will be done in the following order Remove the back panel and disconnect the battery Remove the left soft side Remove the motor board LTV 1200 only Remove the flow valve Remove the turbine mani...

Page 218: ... see instructions on page 8 94 4 Disconnect the O2 blender 8 wire connector from the power board LTV 1200 only 5 Disconnect the O2 tube from the Pisco connector on the oxygen pressure transducer on the analog board as shown LTV 1200 only 6 Remove the flow valve see instructions on page 8 66 7 Remove the two 2 screws securing the accumulator to the turbine manifold spacer and loosen or remove the o...

Page 219: ...d beneath the turbine may adhere to the turbine when it is removed or may remain attached to the case If the thermo conductive pad remains attached to the case check it for damage or hardening and replace it if necessary If the pad comes out with the turbine replace it with a new pad To replace the thermo conductive pad 1 Peel the thermo conductive pad off 2 If there is adhesive residue left on th...

Page 220: ...d turbine manifold 3 Make a loose loop with a cable tie and slide it over the tube that connects the turbine manifold to the oxygen blender O2 Block Connect the tube to the barbed fitting on the oxygen blender O2 Block 4 Using a cable tie tool tighten the cable tie to 2 tension The cable tie tool should trim the tail off close to the connector To install the Turbine Manifold and Oxygen Blender O2 ...

Page 221: ...over the inside lip of the grommets aligned with the edge of the side panel and oriented as shown in the illustrations Screws should be torqued to 60 in oz 0 42 Nm For the LTV 1150 and 1100 Replace the four 4 O2 Block mounting screws P N 10627 Green O2 port cap P N 14446 and four 4 plastic shoulder washers P N 10630 Screws should be torqued to 60 in oz 0 42 Nm NOTE If the upper clips are not prope...

Page 222: ...ire connectors from the turbine to the motor board The connectors are keyed to fit in only one direction and will snap into place 9 Replace the single 1 screw and washer attaching the solenoid mount assembly to the turbine manifold spacer See instructions on page 8 128 Torque the screw to 120 in oz 0 84Nm 10 Inspect the orange seal on the side of the flow valve If it is damaged remove and replace ...

Page 223: ... the accumulator to the turbine manifold spacer See instructions on page 8 53 Torque both screws to 60 in oz 0 42 Nm 14 Reconnect the 3 wire flow valve connector to the power board The connector is keyed to fit in only one direction and will snap into place when properly connected 15 LTV 1200 Only Insert the O2 tube from the blender into at least 1 2 the Pisco connector attached to the oxygen pres...

Page 224: ...ce the internal inlet filter see instructions on page 8 85 20 Replace the left soft side see instructions on page 8 117 21 Install an O2 Sampling Tube62 See Back Panel Reinstallation in Chapter 8 Component Removal and Replacement for detailed instructions 22 Verify that no tubing is kinked or twisted and that it will not be pinched when compressed by the back panel Refer to the routing instruction...

Page 225: ...r replace the O2 inlet filter 1 Disconnect the high pressure O2 hose from the oxygen block on the left side of the ventilator 2 Using a pick remove the rubber O ring from inside the O2 inlet port Tip the ventilator to allow the O2 inlet filter to slide out 3 To clean the filter use a mild cleaner warm water and a soft brush Rinse the filter thoroughly to remove all traces of the cleanser Allow the...

Page 226: ...stallation NOTE Tubing Configurations When disconnecting tubes note their positions and review the internal flexible tube routing tables instructions and diagrams beginning on page 8 33 If tubing needs to be replaced consult the tables and instructions in Internal Flexible Tubing beginning on page 8 33 for tubing diameters lengths and routing diagrams 3 Disconnect the Pisco connector from the oxyg...

Page 227: ...taching the accumulator to the spacer and remove the accumulator from the turbine manifold spacer 10 Remove the four 4 screws that secure the turbine manifold spacer to the turbine manifold Carefully remove the turbine manifold spacer and set it aside away from the ventilator 11 Remove the analog board see instructions on page 8 57 12 Disconnect the 4 wire solenoid mount connector from JP16 on the...

Page 228: ...rtion of the pigtail cable assembly 15 Disconnect the 4 wire pigtail cable assembly connector from JP6 on the power board and slide the pigtail cable assembly out of the keyed round hole of the upper weldment and set aside 16 Disconnect the two 2 wire connectors from the purge solenoids and remove the mounting nut from the solenoid manifold 17 Insert a power PCB separator tool P N 11599 into the g...

Page 229: ...est edge of the tool resting on the main PCBA below the power board Hold the lower portion of the tool against the turbine manifold and rotate the handle backwards and down toward the top surface of the turbine manifold to separate the power and main PCBA mating connectors see Cut away illustration below 19 Lift out the power board flexing the left side panel slightly out of the way ...

Page 230: ...00 1150 and 1100 Ventilator Service Manual Page 8 109 NOTE The solenoid mount assembly accumulator and remaining tubing may be left attached to the solenoid manifold assembly 20 Remove the solenoid manifold from the power board ...

Page 231: ... header The power board should seat on the main PCBA such that the pins on the main PCBA are visible through the top of the connector on the power board 3 Thread two 3 16 pan head screws P N 14372 through the power board into the standoffs on either side of the 64 pin female connector on the power board Torque tighten to 60 in oz 0 42 Nm 4 Insert two 7 16 pan head screws P N 10433 one into the mou...

Page 232: ...noid manifold mounting screw P N 10607R as shown and torque tighten to 20 in oz 0 14 Nm 8 Thread one 1 4 solenoid manifold mounting nut P N 10342 onto the power board mounting stud protruding through the solenoid manifold as shown in the illustration torque tighten to 20 in oz 0 14 Nm CAUTION Do not over tighten the mounting screws Over tightening of the mounting screw or nut may result in leaks o...

Page 233: ...und hole in the upper weldment 12 Slide the electrical connector interface bracket down through the recess in the molded strain relief of the pigtail cable assembly 13 Insert and thread two 1 4 flat head screws P N 10430 through holes in the left sidewall of the upper weldment and into the threaded bosses on the electrical connector interface bracket Torque tighten both screws to 60 in oz 0 42 Nm ...

Page 234: ... power board LTV 1200 only 16 Verify the power board mating connector pins are straight and place the Motor PCBA on the four threaded stand offs on the power board and orientated such that the connector pins on the power board are indexed into the matching connector holes in the Motor PCBA 17 Using finger pressure press down on the Motor PCBA at the location directly above the pins and connector f...

Page 235: ...When the Motor PCBA is correctly seat on the power board the pins on the power board should visibly protrude through the top of the connector on the Motor PCBA 18 Thread four 7 16 pan head screws P N 10433 into the mounting holes in the Motor PCBA and torque tighten to 60 in oz 0 42 Nm ...

Page 236: ... 42 Nm See page 8 57 for instructions 22 Ensure that the flexible tube from port B of the accumulator is tucked between the purge solenoids and the turbine manifold Replace the turbine manifold spacer using four 4 7 16 pan head screws P N 10433 Torque tighten to 20 in oz 0 14 Nm 23 Connect the purge solenoid cables from the power board to the purge solenoids Orientation does not matter 24 Reattach...

Page 237: ...ectors from the turbine to the motor board The connectors are keyed and will snap into place when properly connected 31 Reconnect the 3 wire flow valve connector to the power board The connector is keyed and will snap into place when properly connected 32 Reconnect the Pisco connector to the oxygen pressure transducer on the analog board LTV 1200 only 33 Reconnect the 4 wire flow valve connector t...

Page 238: ...r 19119 002 Handle Attachment 1 each side P N 10118 Phillips screwdriver with torque meter Grounded anti static wrist strap To replace the right or left soft side panel 1 Remove the 10 flat head screws and gray finish washers from the right or left side of the ventilator as shown 2 Pull off the soft side panel and set aside the handle attachment 3 Position the new soft side panel and the handle at...

Page 239: ...he underside of the knob to make this easier Be careful not to damage the edge of the faceplate around the knob 2 Remove the ventilator back panel and disconnect the internal battery cable see instructions on page 8 28 3 Disconnect the 4 wire flow valve connector from the motor board 4 Disconnect the Pisco connector from the oxygen pressure transducer on the analog board See diagram on page 8 33 5...

Page 240: ...ue to 60 in oz 0 42 Nm 17 Reconnect the tubing to the airway pressure transducer on analog board 18 Reconnect the 3 wire flow valve connector to the power board The connector is keyed and will snap into place when properly aligned 19 Reconnect the Pisco connector to the oxygen pressure transducer on the analog board 20 Reconnect the 4 wire flow valve connector to the motor board The connector is k...

Page 241: ...ow Differential Transducer PT4 18337 003 3 Onto the Airway Pressure Transducer PT6 18337 006 4 Onto the side panel low pressure Flow Transducer port male Luer fitting on outside of panel 18339 003 5 From the Flow Valve clear tubing 10455 6 Onto side panel Exhalation Valve port barbed fitting on outside of panel 18339 005 7 Onto the Flow Differential Transducer through a tube elbow subassembly 1862...

Page 242: ... 8 61 for list 7 Remove the analog board See instructions on page 8 57 8 Remove the two 2 screws securing the accumulator to the turbine manifold spacer 9 Disconnect the two 2 wire connectors from the Purge Solenoids 10 Remove the flow valve assembly see instructions on page 8 66 11 Disconnect the three 3 flexible tubes from the Flow Xducer and Exh Valve fittings on the side panel of the ventilato...

Page 243: ...eters lengths and routing diagrams 17 Disconnect all flexible tubing from the solenoid manifold WARNING Mounting Screw Use Make sure the correct length mounting screws are used as specified in the instructions or internal damage to the ventilator may result Installing the new solenoid manifold 1 Reattach the flexible tubes to the solenoid manifold ports 2 3 4 6 7 and 8 following the tube routing t...

Page 244: ...e turbine manifold Check to make sure the tube does not get pinched as you tighten down the four 4 7 16 spacer screws P N 10433 Torque the screws to 20 in oz 0 14 Nm 6 Attach the solenoid mount assembly to the spacer using one 1 4 24 x 3 8 pan head screw P N 17682 001 Torque to 120 in oz 0 84 Nm See page 8 45 for wire routing instructions 7 Attach the accumulator to the spacer using two 2 7 16 pan...

Page 245: ...board 15 Reconnect the 2 wire connectors to the purge solenoids orientation does not matter 16 Reattach the flexible tubes from ports 2 and 7 of the solenoid manifold to each side of the differential pressure transducer on the analog board route the smaller diameter tube through the adjacent notch in the analog board 17 Reattach the tube from port 3 of the solenoid manifold to the airway pressure ...

Page 246: ... Chapter 8 Component Removal and Replacement for detailed instructions 24 Verify that no tubing is kinked or twisted and that it will not be pinched when compressed by the back panel Refer to the routing instructions tables and diagrams beginning on page 8 33 to check the tubing routing Always check ALL tube routing for kinks or compression that might result in restricted flows prior to closing th...

Page 247: ...or to disconnecting or removing any of the tubes note their positions and review the tube routing configurations tables instructions and diagrams beginning on page 8 33 To remove the solenoid mount assembly 1 Disconnect the 4 wire flow valve connector from the motor board 2 Disconnect the Pisco connector from the oxygen pressure transducer of the analog board LTV 1200 only See instructions on page...

Page 248: ...tor remain in the tubes 7 Remove the three 3 tubes from the pilot in solenoid and the two 2 tubes from the pilot out solenoid 8 Disconnect the two 2 wire connectors from the pilot in and pilot out solenoids To replace the solenoid mount assembly 1 Reconnect the 2 wire connector red wires to the pilot in solenoid and the 2 wire connector black wires to the pilot out solenoid 2 Reconnect the flexibl...

Page 249: ...t the orange flow valve tube to the flow valve differential pressure transducer of the analog board and the clear flow valve tube to port 5 of the solenoid manifold assembly 10 Reconnect the 2 wire flow valve temperature connector to the power board The connector is keyed to fit in only one direction and will snap into place when properly connected 11 Install an O2 Sampling Tube68 See Back Panel R...

Page 250: ...y adhesive residue left on the inside of the back panel remove it by washing with a mild cleanser 4 Remove the protective backing from the new thermo conductive pad and place it on the inside surface of the back panel as shown 5 Remove the protective cover from the face of the thermo conductive pad 6 Install an O2 Sampling Tube69 See Back Panel Reinstallation in Chapter 8 Component Removal and Rep...

Page 251: ...00 hour service The turbine heat sink pad is located between the inside of the upper weldment and the turbine Parts required for replacement Tools required Thermo Conductive Turbine Pad P N 10129 Phillips screwdriver with torque meter Grounded anti static wrist strap Mild cleanser To replace the thermo conductive turbine pad see instructions for removing and replacing the turbine manifold on page ...

Page 252: ...m When replacing the turbine manifold assembly it is easiest to remove several components and replace them together These will be done in the following order Remove the back panel and disconnect the battery Remove the left soft side Remove the motor board Remove the flow valve Remove the turbine manifold and oxygen blender LTV 1200 or O2 Block LTV 1150 and 1100 as a unit Disconnect the oxygen blen...

Page 253: ...t the O2 blender 8 wire connector from the power board LTV 1200 only 5 Disconnect the O2 tube from the Pisco connector on the oxygen pressure transducer on the analog board as shown LTV 1200 only 6 Remove the flow valve and disconnect the by pass tubing from the base of the turbine manifold see instructions on page 8 66 7 Remove the two 2 screws securing the accumulator to the turbine manifold spa...

Page 254: ...rmo conductive pad beneath the turbine may adhere to the turbine when it is removed or may remain attached to the case If the Thermo Conductive Pad remains attached to the case check it for damage or hardening and replace it if necessary If the pad comes out with the turbine replace it with a new pad To replace the thermo conductive pad 1 Peel the thermo conductive pad off 2 If there is adhesive r...

Page 255: ...oxygen blender or O2 Block and turbine manifold 3 Make a loose loop with a cable tie and slide it over the tube that connects the turbine manifold to the oxygen blender LTV 1200 or O2 Block LTV 1150 and 1100 Connect the tube to the barbed fitting on the oxygen blender or O2 Block 4 Using a cable tie tool tighten the cable tie to 2 tension The cable tie tool should trim the tail off close to the co...

Page 256: ...y 4 For the LTV 1200 Replace the four 4 blender mounting screws P N 10176 O2 blender cap P N 15016 001 or 13301 001 and four 4 flat metal washers P N 10594 The grounding clips should be positioned over the inside lip of the grommets aligned with the edge of the side panel and oriented as shown in the illustrations Screws should be torqued to 60 in oz 0 42 Nm For the LTV 1150 and 1100 Replace the f...

Page 257: ...nst the power board LTV 1200 only 7 Replace the motor board see instructions on page 8 94 8 Connect the 3 wire and 5 wire connectors from the turbine to the motor board The connectors are keyed to fit in only one direction and will snap into place 9 Replace the single 1 screw and washer attaching the solenoid mount assembly to the turbine manifold spacer See instructions on page 8 128 Torque the s...

Page 258: ... the accumulator to the turbine manifold spacer See instructions on page 8 53 Torque both screws to 60 in oz 0 42 Nm 14 Reconnect the 3 wire flow valve connector to the power board The connector is keyed to fit in only one direction and will snap into place when properly connected 15 LTV 1200 only Insert the O2 tube from the blender into at least 1 2 the Pisco connector attached to the oxygen pres...

Page 259: ... Replace the internal inlet filter see instructions on page 8 85 20 Replace the left soft side see instructions on page 8 117 21 Install an O2 Sampling Tube71 See Back Panel Reinstallation in Chapter 8 Component Removal and Replacement for detailed instructions 22 Verify that no tubing is kinked or twisted and that it will not be pinched or compressed by the back panel Refer to the instructions ta...

Page 260: ...uit Mode FL SENSOR The patient circuit mode Default Setting is Flow Sensor Contact CareFusion or refer to Chapter 12 Operating Procedure in the LTV 1100 Operators Manual P N 21106 001 for detailed information Part Replaced Calibration Required Power Checkout General Checkout Performance Checkout 12 Hour Burn in Alarm Sounder X Analog Board Assembly X X X X X Fan Assembly X X Flow Valve Assembly X ...

Page 261: ...Connect the patient circuit and test lung to the ventilator Do not connect the oxygen supply at this time 2 Run the Ventilator Checkout VENT CHECK Tests Test Result A Alarm Audible alarm must activate for minimum 2 seconds Confirming audible chirp must activate after alarm is silenced B Display All displays must illuminate except Vent Inop C Control As each button is pressed the correct label must...

Page 262: ...s D The following POST messages may be flashed in the message window CPU SRAM INT VECTOR ROM CRC EEPROM 175 EEPROM 275 EEPROM 375 E When the POST tests are successfully passed ventilation begins within 20 seconds 4 Perform the following tests Ventilator Settings and Procedure Performance Requirement A Set the vent to the following settings and operate for a minimum of two minutes Mode Volume Assis...

Page 263: ...e oxygen blender and set the O2 setting to 60 Connect an external oxygen monitor to the patient circuit LTV 1200 only External oxygen monitor should read 55 to 65 O2 No alarms activate H Reset O2 control to 21 and disconnect the oxygen source and monitor LTV 1200 only I Disconnect the high pressure sense line from the ventilator DISC SENSE alarm activates on the next breath J Reconnect the pressur...

Page 264: ...a Patient Assist Cable Normally Closed P N 10779 to the ventilator Patient Assist port reconnect the AC adapter power the ventilator up and clear all alarms B Use a Digital Multi Meter to measure the resistance at the 1 4 plug of the Patient Assist Cable Resistance 4 0 ohm77 C Create a High Pressure alarm by changing the High Pres Limit setting to 5 and measure the plug resistance Resistance 1 0 m...

Page 265: ...tient Assist Port response test using Nurse Call Test Fixture P N 14671 001 A Set the ventilator to the following Breath Rate 15 bpm Tidal Volume 1000 ml Insp Time 1 0 sec Leak Compensation On B Attach the Nurse Call Test Fixture to the ventilator Patient Assist Port C Observe the displayed value for PIP in the status monitor window example 20 cmH2O D Set the High Pres Limit to 2 cmH2O less than t...

Page 266: ...te is not current set the correct date D Navigate to SET TIME and press the Select button to display the time If the displayed time does not match the current time by 10 minutes set the correct time E Turn the ventilator off press the Silence Reset button to clear the audible alarm and wait a minimum of 1 minute F Turn the ventilator on in breathing mode and access the extended features by pressin...

Page 267: ...anel For the LTV 1200 Connect a 50 2 PSIG oxygen source to the inlet port of the ventilator s Oxygen Blender and set the O2 setting of the ventilator to 100 After measurement return O2 setting to 21 For the LTV 1150 and 1100 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 O2 value extrac...

Page 268: ...ontinuously for 15 seconds Confirming audible chirp must activate after alarm is silenced Power On Self Test External Power Audible alarm 3 A Verify audible alarm sounds for 1 sec 3 B Confirming audible chirp occurs after alarm Display Illumination 3 C All LEDS except Vent Inop illuminate for 3 seconds Test Messages 3 D Test messages are displayed Begin Normal Operation 3 E Within 20 seconds of po...

Page 269: ...ation Pressure Operation LTV 1200 1150 only Control Settings Pressure Assist Control Breath Rate 10 Pressure Control 45 Insp Time 1 5 PEEP 5 Rise Time As required 80 4 K Monitors should read as follows PIP 46 to 54 cmH2O No alarms activate Power Alarm Return to normal ventilation mode LTV 1200 1150 only Disconnect AC adapter from ventilator 4 L POWER LOST alarm activates Battery Level LED illumina...

Page 270: ... Assist Cable Normally Open P N 10780 5 G Power ventilator up clear alarms and measure plug resistance 5 H Resistance 1 0 mega ohms Change High Pres Limit setting to 5 create alarm and measure plug resistance 5 I Resistance 4 0 ohm Return High Pres Limit setting to 100 and clear all alarms 5 J Turn ventilator off leaving alarm sounding and measure plug resistance 5 K Resistance 4 0 ohm Press Silen...

Page 271: ...tch the current time by 10 minutes then set the correct time Turn ventilator off and wait a minimum of 1 minute 6 E Power up ventilator and access extended features 6 F Navigate to VENT OP and press Select 6 G Display Date 6 H The displayed date is the current date Display Time 6 I The displayed time is the current time Oxygen Enrichment oxygen leakage LTV 1200 Connect a 50 2 PSIG oxygen source to...

Page 272: ...rcuit and test lung to the ventilator Ventilator Settings and Procedure Performance Requirement A Set the variable DC voltage source between 14 8V and 15 0V and turn the ventilator on Silence the POWER LOST alarm Normal operation Battery level LED is green Only POWER LOST alarm activates B Slowly reduce voltage until LTV Battery Level LED changes to amber Normal operation DC voltage source is 11 9...

Page 273: ...s flashing amber for a few minutes maximum 1 hour and then goes solid amber 3 Perform an External Power test A Continue with the external AC adapter connected to the ventilator Ventilator runs normally External Power LED shows green Charge Status LED is lit or flashing B Remove external power clear POWER LOST alarm Connect an external DC power source with a voltage between 14 8V and 15 0V using th...

Page 274: ...ace with external power AC adapter Power down the ventilator using the On Standby button F If further testing is not required with the back panel off reinstall the back panel see Back Panel Reinstallation in Chapter 8 G If the ventilator does not require 12 Hour Burn in recharge the ventilator for a minimum of eight 8 hours ...

Page 275: ...larm Slowly reduce voltage until Battery Level LED extinguishes 1 D DC voltage source is 10 0V 0 200 2 Vent Inop LED illuminated Audible alarm sounds Remove DC voltage source and reconnect the internal battery 1 E Battery Duration Battery Charge Test Run unit from internal battery until it shuts down Charge from external power while operating for a minimum of 8 hours 2 A Vent Inop LED lights and a...

Page 276: ...14 8V and 15 0V 3 B Normal operation External Power LED is green Charge Status LED is lit or flashing Slowly reduce the external DC voltage until the External Power LED shows amber 3 C Normal operation External voltage is 11 0V 0 220 2 Charge Status LED is lit or flashing POWER LOW and Audible alarm Slowly reduce the external DC voltage until the External Power LED extinguishes 3 D Normal operatio...

Page 277: ...re suspended and the message SAME PATIENT is displayed after completing POST tests Press the Select button to enable the suspended alarms and begin ventilation with the settings in use during the last power cycle or set the PTNT QUERY menu option to QUERY OFF 1 Perform a Tidal Volume test A Set the ventilator as follows PEEP 5 cmH2O Tidal Volume 1500 ml Breath Rate 6 Insp Time to 6 0 seconds Avera...

Page 278: ...rm a Sensitivity test A Set the ventilator as follows Sensitivity 2 Lpm PEEP 5 Breath Rate 6 Tidal Volume 700 Inspiration Time 2 0 Control Mode Volume B Set Leak Compensation OFF Press and hold the Select button Status monitor window displays ALARM OP Rotate Set Value knob Status monitor window displays VENT OP Press Select button and rotate Set Value knob Status monitor window displays LEAK COMP ...

Page 279: ...0 seconds The Patient Effort LED should not flash during and following the sensitivity being set to 4 Lpm If the Patient Effort LED flashes This condition represents a failure of the sensitivity test F While monitoring the Patient Effort LED disconnect the test lung momentarily during the exhalation portion of the breath cycle The Patient Effort LED should momentarily flash and an inspiration shou...

Page 280: ... to high and low flow XDCR port Record the FDw value Open all connections to ambient air FDw display must read 0 0 5 cmH2O Flow Valve Differential Transducer F Exit the RT XDCR DATA menu and rotate the Set Value knob to the VENT MTNCE menu and press Select G Press Select to enter the Servo menu use the Set Value knob to select ON and press Select Set step position listed under Tidal Volume to 500 ...

Page 281: ...Actual Turbine Speed T S section in Chapter 6 C Set up the ventilator as follows Connect the Turbine Pressure Test adapter to the Patient Outlet port of the ventilator Connect the Turbine Pressure Test adapter to a test hose connected to a manometer If necessary pinch off other unused tubes branching from the test hose D Wait a minimum of one minute for the manometer to reach a stable value before...

Page 282: ...e 90 5 C Set flow to 50 turbine speed to 4000 and O2 to 60 O2 Inlet to 60 PSI Press Manual Breath Flow BTPD must be 50 7 5 Lpm O2 must be 60 5 D Set flow to 90 turbine speed to 7000 and O2 to 90 O2 Inlet to 50 PSI Press Manual Breath Flow BTPD must be 90 13 5 Lpm O2 must be 90 5 E Return flow setting to 10 Lpm 9 Perform a Solenoids test A Set the step position to100 turbine speed to 4000 and turn ...

Page 283: ...after activating the solenoid H Apply 15 0 5 cmH2O to both the low and high flow XDCR ports and turn the ExhDiffP solenoid on After reading turn the ExhDiffP solenoid off FDw display must read 0 0 5 cmH2O before activating the solenoid and must equal AP 0 5 cmH2O after I Apply and maintain 15 cmH2O pressure to the high flow XDCR port FDw display must read 15 0 5 cmH2O 10 Perform a Watchdog test 89...

Page 284: ...TM If the LTV icon is not observed or shown only intermittently then this condition constitutes a FAIL for the LTM compatibility test LTM with software 1 17 or earlier A red exclamation mark is displayed to the right of the LTV icon The exclamation mark may be flashing C Press the Wave button on the LTM Select the Wave screen Waveforms are displayed in all three waveform charts The Vte value displ...

Page 285: ...ual Breath and Select buttons while powering up the ventilator and enter VENT MNTCE B Turn on SERVO mode C Set the step position to 0 in the Tidal Volume window D Measure the flow at the Patient Outlet port of the ventilator Flow must be less than 1 Lpm 90 Using the 3 finger technique enables a modified mode of VENT MTNCE in which testing may be performed but Calibration procedures and changing Co...

Page 286: ...erage monitored tidal volume Average displayed Vte 15 of average measured tidal volume Settings Volume Assist Control PEEP 5 TV 1500 BPM 10 Insp Time 1 5 seconds 1 C Average measured tidal volume Average measured tidal volume BTPD 1500 150ml Average monitored tidal volume Average displayed Vte 15 of average measured tidal volume Breath Rate Settings Volume Assist Control TV 1500 BPM 10 Insp Time 3...

Page 287: ...t wye and wait for at least 2 full breath cycles Set the Sensitivity to 4 Lpm 4 E The Patient Effort LED should not flash during and following the sensitivity being set to 4 Lpm While monitoring the Patient Effort LED disconnect the test lung momentarily during the exhalation portion of the breath cycle 4 F The Patient Effort LED should momentarily flash and an inspiration should immediately begin...

Page 288: ... cmH2O Oxygen Transducer LTV 1200 only At 0 psig applied to O2 inlet port 6 I O2 display must read 0 0 5 psig At 50 psig applied to O2 inlet port 6 J O2 display must read 50 2 psig PEEP Pilot Pressure Transducer 0 cmH2O to all XDCR ports 6 K PPP display must read 0 0 5 cmH2O Patient Outlet Pressure Measure Patient Outlet pressure at actual turbine speed 7 E Must be 55 cmH2O Servo Flow 10 Turbine s...

Page 289: ...9 D PPin solenoid deactivated OFF Leakage rate must be 1 cmH2O within one minute PPP value under the RT XDCR DATA menu must be 0 5 cmH2O of the measured pressure PPout solenoid deactivated OFF 9 E Pressure at exhalation drive port must 0 0 1 cmH2O 15 cmH2O to high flow transducer port 9 F Apres solenoid activated ON AP 0 cmH2O 0 5 after activation FDw 0 cmH2O 0 5 after activation 15 cmH2O to low h...

Page 290: ...s displayed to the right of the LTV icon The exclamation mark may be flashing Press the Wave button and select the Wave screen 11 C 3 waveforms are displayed VTE value on LTM is equal to value in LTV status monitor Set Low Minute Volume alarm to 99 11 D LTM status bar flashes red with the text Low Minute Volume displayed Reset Low Minute Volume alarm to previous value and press Silence Reset butto...

Page 291: ... after completing POST tests Press the Select button to enable the suspended alarms and begin ventilation with the settings in use during the last power cycle or set the PTNT QUERY menu option to QUERY OFF 2 Power the ventilator up and set the ventilator controls to the settings shown below and on the next page Factory defaults with the High Pressure Limit value deliberately set high to avoid unwa...

Page 292: ...5 cmH2O Ventilation Mode Assist Control Volume Pressure Pressure Rise Time Profile 4 Ventilation Mode Assist Control Rise Time Profile 4 O2 O2 Flush LTV 1200 Only 21 3 Run the ventilator for a minimum of 12 hours and verify that no alarms occur 4 If further testing of the ventilator is not required set the ventilator DEFAULT settings as follows A Turn the ventilator off Turn the ventilator on whil...

Page 293: ..._ DATE ____________ TEST DESCRIPTION STEP REQUIREMENT PASS P FAIL F 12 Hour Burn in Connect AC adapter and test lung 1 Power ventilator up and set the ventilator controls to the settings listed 2 Run the ventilator for a minimum of 12 hours 3 Verify that no alarms occur If further testing of the ventilator is not required set the ventilator DEFAULT settings 4 ...

Page 294: ...les between manual or automatic display scrolling and changes monitor displayed n a Inspiratory Expiratory Hold One push toggles monitor window display between normal display INSP HOLD and EXP HOLD While INSP HOLD is displayed a push and hold initiates an Inspiratory Hold 6 seconds maximum While EXP HOLD is displayed a push and hold initiates an Expiratory Hold 6 seconds maximum Inspiratory Time 0...

Page 295: ... 20 C to 30 C only standard atmospheric pressure Variable Flow Termination 10 to 40 15 or 2 Lpm whichever is greater Variable Rise Time 1 to 9 0 1 to 1 0 sec Variable Time Termination 0 3 to 3 0 sec 0 1 sec Bias Flow 0 lpm94 2 lpm95 or 10 lpm96 during exhalation 10 or 1 Lpm whichever is greater SBT Start On Off n a SBT PS 0 30 cmH2O 2 cmH2O or 8 whichever is greater steady state only SBT PEEP 0 20...

Page 296: ... below set PEEP 2 cmH2O or 10 whichever is greater High Pressure Limit 5 to 100 cmH2O 5 to 20 cmH2O 2 cmH2O 21 to 100 cmH2O 4 cmH2O HP Alarm Delay No Delay 1 Breath 2 Breaths Only audible portion of alarm notification is delayed Low Minute Volume 0 1 to 99 liters 15 or the measured total breath rate times 15 ml whichever is greater Low Peak Pressure 1 to 60 cmH2O 2 to 20 cmH2O 2 cmH2O 21 to 60 cmH...

Page 297: ...l 200 ms of inspiration airway pressure drops below 0 125 cmH2O and can t be raised more than 0 5 cmH2O in next 500 ms 0 5 cmH2O n a External Power Lost 9 5 V 2 Hardware Fault Hardware problem detected n a Internal Battery Empty 11 5 V 2 Battery Level LED Red and full volume audible alarm Internal Battery Low 11 9 V 2 Battery Level LED Amber Oxygen Inlet Pres High LTV 1200 Only High pres source 85...

Page 298: ...0 to 4000 ml 15 or 15 ml whichever is greater I E Ratio Measured 99 1 and 1 99 Based on the measured inspiratory exhalation times Accuracy for times are 50 ms or 5 whichever is greater I E Ratio Calculated 1 99 to 4 0 1 based on set breath rate and inspiratory time 5 Mean Airway Pressure 0 to 99 cmH2O 2 cmH2O or 10 whichever is greater O2 Cylinder Duration LTV 1200 Only 0 99 hours and 59 minutes 0...

Page 299: ... Display Function Control Lock Locks front panel controls can be set to Easy or Hard unlocking Manual Breath Generates a machine breath Standby On Puts ventilator in On or Standby state Low Pressure O2 Source LTV 1200 Only Selects Low Pressure O2 Source Silence Reset Silences and resets alarms ...

Page 300: ...evel Sound Level Shall not exceed 50 dBA RMS at one meter Storage and Operating Conditions Specification Tolerance Storage97 Temperature 20 to 60 degrees C n a Humidity 10 to 95 Relative non condensing n a Operating Temperature 5 to 40 degrees C n a Humidity 15 to 95 Relative non condensing n a Orientation The ventilator functions within its performance specifications when operated in any orientat...

Page 301: ...EC 68 2 34 Vibration MIL STD 810E Shock Ground Transport and Helicopter Transport Vibration Spillage The ventilator resists fluid spillage when tested in accordance with the relevant standards specified in IEC 601 1 Clause 44 3 External Surface Temperature External surfaces 50 C ambient temperature of 35 C n a Communications Port Connector Specification Communications RS232 DB9 connector Protocol ...

Page 302: ...minal Power Draw Startup 66 watts Running 36 48 watts Leakage Current Total leakage current to Earth ground for the ventilator with only approved accessories attached shall not exceed 500 microAmps during normal operation per IEC 601 1 Total leakage current to Earth ground for the ventilator shall not exceed one milliAmp when any single fault condition is present per IEC 601 1 Ground Resistance To...

Page 303: ...ery duration following eight 8 hour charge to ventilator shutdown 40 minutes Nominal Load Settings Minimum time from battery full green LED to battery low amber LED and BAT LOW alarm 28 minutes Mode A C PEEP 5 Breath Rate bpm 15 O2 21 Tidal Volume ml 800 Lung Compliance ml cmH2O 50 Insp Time sec 1 5 ET Resistance cmH2O L S 5 87 Sensitivity Lpm 2 Battery Temp 25 o C Minimum time from battery low to...

Page 304: ...60601 test level Compliance Level Electromagnetic environment guidance Electrostatic discharge ESD IEC 61000 4 2 6 kV contact 8 kV air 6 kV contact 8 kV air Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Electrical fast transient burst IEC 61000 4 4 2 kV for power supply lines 1 kV for input output lines 2 kV...

Page 305: ...wing symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people 98 The ISM industrial scientific and medical bands between 150 kHz and 80 MHz are 6 765 MHz to 6 795 MHz 13 553 MHz to 13 567 MHz 26 957 MHz to 27 283 MHz and 40 66...

Page 306: ... 0 12 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be determined using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency r...

Page 307: ...Page A 14 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 308: ...al The maximum period of time allowed between breath starts If the time between breath starts exceeds this interval an Apnea alarm occurs Assist Control Mode A mode of ventilation where the patient receives a minimum number of machine and assist breaths The available breath types are Volume Control and Pressure Control Assist Breath A volume or pressure breath that is initiated by the patient and ...

Page 309: ...ratory phase of a delivered breath for a duration sufficient to determine the Auto PEEP of a patient Extended Features A set of ventilator controls and options that are not associated with Front Panel controls Extended Features are accessed through a menu shown in the display window F See Breath Rate monitored Flow The rate at which gas is delivered to the patient measured in Lpm Flow Trigger A pa...

Page 310: ... ensure the Minimum Inspiratory Time is provided Minute Volume monitored VE The average volume delivered to the patient for the last 60 seconds VE is updated at the end of each breath and is calculated based on the last 8 breaths All breath types are included msec One one thousandth of a second Nm Newton meters A measurement of torque equivalent to 0 007062 inch ounces Non Volatile Memory Memory t...

Page 311: ...tomatically displayed SIMV Synchronized Intermittent Mandatory Ventilation SIMV Mode A mode of ventilation where a minimum number of Machine or Assist breaths are given and the patient is allowed to trigger additional Patient breaths Available Breath types are Volume Control Pressure Control Pressure Support and Spontaneous Spontaneous Breath A breath which the patient starts and cycles Spontaneou...

Page 312: ...DEFINITION Volume Control Breath A machine or assist breath where a user set volume is delivered over a user set time Flow is delivered in a decelerating waveform where the peak and final flows are calculated so that the final flow is 50 of the peak flow Vte See Tidal Volume monitored ...

Page 313: ...Page B 6 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 314: ...ords A Service Record form should be filled out for all types of service including part replacement and calibration An example of a blank Service Record form can be found in this appendix Contact CareFusion to obtain a blank Service Rercord form to complete when servicing a LTV Ventilator Fax mail or email the completed Service Record form to CareFusion Respiratory Systems 22745 Savi Ranch Parkway...

Page 315: ...Page C 2 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J This page left deliberately blank ...

Page 316: ...p n 18603 001 Rev J LTV 1200 1150 and 1100 Ventilator Service Manual Page C 3 ...

Page 317: ...Page C 4 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 318: ...ormation NOTE Additional occurrences 3 or more of the same type of event will update the secondary occurrence line items with the latest date time and associated data The quantity of occurrences will be increased by one 1 for each additional occurrence e g a quantity of 2 will be increased to 3 To view the events 1 Enter the Extended Features menu by pushing and holding the Select button for 3 sec...

Page 319: ...nd the time of the latest occurrence in the secondary occurrence recordings of the same type of event 7 Press Select xx data is displayed xx is the chronological number of the event occurrence data is the data associated with the event the data associated with the first occurrence is displayed in the initial occurrence recordings and the data associated with the latest occurrence in the secondary ...

Page 320: ...ow occurred BAT LOW 14 BATLOW0 Internal battery low exited BAT LOW 15 EXT LST1 External power lost occurred POWER LOST 16 EXT LST0 External power lost exited POWER LOST 17 EXT LOW1 External power low occurred POWER LOW 18 EXT LOW0 External power low exited POWER LOW 19 XDC FLT1 XDCR fault occurred XDCR FAULT 20 XDC FLT0 XDCR fault exited XDCR FAULT 21 O2 LOW 1 O2 pressure low occurred LOW O2 PRES ...

Page 321: ...minute volume exited LOW MIN VOL 49 LO PRES1 Low peak pressure occurred LOW PRES 50 LO PRES0 Low peak pressure exited LOW PRES 51 CLR EVNT Event log cleared N A 52 CLR CTRL Control settings cleared N A 53 SET DATE Date set N A 54 SET TIME Time set N A 55 N A Not used 56 STACK Stack overflow detected RESET 57 POST POST failure RESET 58 RUNAWAY Code runaway detected RESET 59 WDOG TST Watchdog test r...

Page 322: ...overed HIGH f 75 HI PEEP1 Monitored PEEP HIGH PEEP 76 HI PEEP0 Monitored PEEP HIGH PEEP 77 HI SBTf1 Total Breath Rate SBT f 78 HI SBTf0 Total Breath Rate SBT f 79 LO SBTf1 Total Breath Rate SBT f 80 LO SBTf2 Total Breath Rate SBT f 81 HI f VtT1 Rapid Shallow Breathing Index SBT f Vt 82 HI f VtT0 Rapid Shallow Breathing Index SBT f Vt 83 LO f VtT1 Rapid Shallow Breathing Index SBT f Vt 84 LO f VtT0...

Page 323: ...R EVNT 51 Event log cleared N A CRC 41 Memory CRC check failed RESET DEFAULTS 25 Defaults or Set Defaults occurred DEFAULTS DEFAULTS SET DISC 0 10 Circuit disconnect exited DISC SENSE EEPROM 40 EEPROM degraded HW FAULT EXT LOW0 18 External power low exited POWER LOW EXT LOW1 17 External power low occurred POWER LOW EXT LST0 16 External power lost exited POWER LOST EXT LST1 15 External power lost o...

Page 324: ...e occurred LOW PRES LO SBTf1 79 Total Breath Rate SBT f LO SBTf2 80 Total Breath Rate SBT f LOW DIS 09 Low side disconnect DISC SENSE LOW VE 0 48 Low minute volume exited LOW MIN VOL LOW VE 1 47 Low minute volume occurred LOW MIN VOL MON f Vt 86 f Vt value at SBT exit N A NEW PTNT 91 New patient setup N A NO CAL 26 No calibration data found NO CAL DATA O2 HI 0 24 O2 pressure high exited HIGH O2 PR...

Page 325: ...ZERO 45 Turbine set to zero flow occurred HIGH PRES VENT 0 02 Power off None VENT 1 01 Power on None VENT CHK 04 Set vent check Entered VENT CHECK mode WDOG TST 59 Watchdog test run Vent Inop XDC FLT0 20 XDCR fault exited XDCR FAULT XDC FLT1 19 XDCR fault occurred XDCR FAULT XDCR AIR 64 Airway pressure transducer fault XDC FLT1 XDCR BI 63 Differential pressure transducer Bi directional channel fau...

Page 326: ...xample 0100 represents a failed auto zero on the FDw channel HOME ER1 1 or 1 where 1 represents the clockwise direction 1 represents the counterclockwise direction AD MMTCH AD MTCH1 xx A D channel where 0 Flow Differential Narrow FDn 1 Flow Differential Wide FDw 2 Flow Valve Differential FVd 3 Airway Pressure AP 4 Oxygen Pressure O2 5 not used 6 Flow Valve Temperature FVt 7 External Voltage EV 8 B...

Page 327: ...Page D 10 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 328: ...4ºC mmHG at 0ºC mmH2O at 4ºC cmH2O at 4ºC PSI lb in 2 1 14 5039 1 4504 x 10 2 0 491159 3 6127 x 10 2 1 933368 x 10 2 1 4223 x 10 3 1 4223 x 10 2 BAR 6 8947 x 10 2 1 1 x 10 3 3 3865 x 10 1 2 4908 x 10 3 1 3332 x 10 3 9 8068 x 10 5 9 8068 x 10 4 Millibar Hectopascal 68 947 1 x 103 1 33 865 2 4908 1 3332 9 8068 x 10 2 0 98068 IN HG at 0ºC 2 0360 29 529 2 9529 x 10 2 1 7 3552 x 10 2 3 9368 x 10 2 2 89...

Page 329: ...Page E 2 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J Extended Features Map ...

Page 330: ...p n 18603 001 Rev J LTV 1200 1150 and 1100 Ventilator Service Manual Page E 3 Extended Features Map continued ...

Page 331: ...Page E 4 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J Extended Features Map continued ...

Page 332: ...rmanently or temporarily removing or exchanging external accessories Refer to the information on the following page to determine the appropriate external accessories mounting screws or accessories replacement mounting screws location type and length to use when removing or exchanging external accessories on an LTV 1200 1150 and 1100 ventilator WARNING Internal damage to the ventilator may result i...

Page 333: ...Page E 6 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 334: ...0573 Cable Pigtail Assembly 11498 Cable Pilot Solenoids to Power PCBA 18530 001 Cable Thermistor 11399 Clip Grounding 10752 Connector Pisco 10543 Elbow 3 32 x 1 16 tube white nylon 10958 Elbow 1 8 x 3 32 tube white nylon 11592 Fan Assembly 10675 or 14725 001104 Filter 43 micron 18552 001 Filter Inlet Reticulated Foam 10258 Filter Interior Inlet 10629 Filter Oxygen Blender 14313 or 19845 001 Flow V...

Page 335: ... O Ring Rotary Switch 11645 Front Panel Replacement LTV 1200 Switch Membrane Panel 17513 001 LTV 1150 Switch Membrane Panel 17513 006 LTV 1100 Switch Membrane Panel 17298 001 LTV 1200 Overlay Panel English 19811 001 LTV 1150 Overlay Panel English 19812 001 LTV 1100 Overlay Panel English 21049 001 Pad Foot 10598 Pad Memory PCBA Secure 10597 Pad Motor PCBA Thermo Conductive 18341 001 Pad Turbine The...

Page 336: ... 3 16 10176 Seal O2 Donut 10603 Seal Side 10881 Soft Side Left dark gray 10105 Soft Side Right dark gray 10106 Soft Side Left off white 10105 002 Soft Side Right off white 10106 002 Solenoid Manifold Assembly 18528 001 Solenoid Mount Assembly 18607 001 Spacer Manifold to back panel 18142 001 Spring Knob 10443 Standoff 3 16 Hex 11543 Straps Grounding 10593 Switch Rotary with hex nut 11190 Tee reduc...

Page 337: ... 5 OFF 2 Intended for factory use only Force O2 pressure to 50 psi regardless of inlet pressure OFF 3 Intended for factory use only Disallow dimming when on battery and no Front Panel activity after 60 seconds OFF 4 Intended for factory use only OFF 5 OFF Normal operation ON Maintenance mode for calibration OFF 6 Intended for factory use only RTC clock battery connection ON 7 Intended for factory ...

Page 338: ...nea Interval 20 sec Patient Circuit Query Off Com Setting106 Data Patient Query On Control Unlock Easy Patient Size Infant Date Format MM DD YYYY PC Flow Termination Off High f Alarm High f Off PIP LED On High f Alarm Delay 30 sec Rise Time Profile 4 High PEEP Alarm PEEP 5 cmH2O SBT Display f Vt On HP Alarm Delay No Delay SBT FIO2 21 Language English SBT High f Alarm 35 bpm Leak Compensation On SB...

Page 339: ... a full scale of 2000 ml the resulting accuracy is 2000 ml x 2 40 ml Under these conditions reduce the tolerance from 150 ml by the accuracy of the instrument 40 ml for a guard banded tolerance of 1500 ml 110 ml 1390 ml to 1610 ml 500 ml When measuring a volume of 500 ml with a tolerance of 50 ml the resulting minimum accuracy level for instrumentation would be 50 ml 4 12 5 ml If the instrument ac...

Page 340: ...ting accuracy is 100 Lpm x 2 2 0 Lpm Under these conditions reduce the tolerance from 7 5 Lpm by the accuracy of the instrument 2 0 Lpm for a guard banded tolerance of 50 Lpm 5 5 Lpm 44 5 Lpm to 55 5 Lpm 90 Lpm When measuring a flow rate of 90 Lpm with a tolerance of 13 5 Lpm the resulting minimum accuracy level for instrumentation would be 13 5 Lpm 4 3 375 Lpm If the instrument accuracy is 2 of r...

Page 341: ...ing of 90 with a tolerance of 5 the resulting minimum accuracy level for instrumentation would be 5 4 1 25 If the instrument accuracy is 2 of reading at 90 the resulting accuracy is 90 x 2 1 8 Under these conditions reduce the tolerance from 5 by the accuracy of the instrument 2 for a guard banded tolerance of 90 3 87 to 93 Oxygen percentage measurement instrumentation and test equipment Recommend...

Page 342: ...ols are required to perform various procedures on the LTV 1200 1150 and the 1100 ventilator and are available from CareFusion separately or as part of the Maintenance and Calibration Kit P N 11566 107 Pop Rivet tool capable of setting 114 diameter shaft Pop Rivets 108 DISS NIST adapter required to comply with some international gas fittings not included in kit P N 11566 109 In the European Union L...

Page 343: ...854 4030 Ambient 10 400 Flow Differential Narrow FDn 80 70 10 150 Ambient 128 3968 4015 70 3945 4085 Ambient 128 3968 Flow Valve Differential FVd 15 cmH2O 1915 2340 For Software Version 05 04 1915 2521 For Software Version 05 04 Ambient LTV 1200 1150 40 328 Ambient LTV 1100 61 354 PEEP Pilot Pressure PPP 30 cmH2O LTV 1200 1150 999 2493 30 cmH2O LTV 1100 1039 3082 Ambient LTV 1200 1150 135 272 Ambi...

Page 344: ... Main Board mounting Hex standoffs 2 60 in oz 0 42 Nm Manifold to back panel Spacer 4 20 in oz 0 14 Nm Motor Board mounting screws 4 60 in oz 0 42 Nm Oxygen Blender mounting screws 4 60 in oz 0 42 Nm Power Pigtail Interface bracket 60 in oz 0 42 Nm Power Board mounting screws except Solenoid Manifold screws 4 60 in oz 0 42 Nm Protective Boot Upper Leg mounting screws 2 60 in oz 0 42 Nm Protective ...

Page 345: ...Page E 18 LTV 1200 1150 and 1100 Ventilator Service Manual p n 18603 001 Rev J ...

Page 346: ... LOST 9 5 9 13 9 14 POWER LOW 9 14 REMOVE PTNT 2 2 6 6 9 21 RESET 6 31 7 36 SBT 7 38 SBT f 7 38 SBT f Vt 7 39 SBT f 7 38 SBT f Vt 7 39 Vent Inop 2 10 9 2 9 5 9 13 9 14 A 10 XDCR FAULT 7 34 analog board 8 59 8 60 anti static precautions 8 92 assistance 1 1 8 2 autocycling 7 7 7 11 7 20 7 33 B back panel 8 28 8 29 before replacing 8 3 8 29 replacement 8 29 barbed elbow 8 102 8 137 battery 8 81 carin...

Page 347: ...4 2 8 65 inlet filter 4 3 internal inlet filter 8 85 O2 inlet filter 4 4 oxygen blender filter 8 104 patient circuit components 4 6 patient circuits 4 6 ventilator 4 1 cleaning agents abrasive cleaners 4 1 ammonium chloride 4 1 anti bacterial 4 1 chloride compound 4 1 glutaraldehyde 4 1 phenols 4 1 clear calibration 6 36 control settings 6 36 EEPROM 6 36 events 6 36 menu 6 36 component removal 8 1...

Page 348: ...bly 8 64 fan connector 8 75 8 78 filters external inlet 8 63 fan 4 2 8 65 inlet 4 3 internal inlet 8 85 O2 inlet 4 4 8 104 oxygen blender 8 104 wet or damp 4 5 8 65 final checkout tests 12 hour burn in checkout test 9 32 general checkout test 9 2 performance checkout test 9 18 power checkout test 9 13 finish washers 8 8 flow differential bi directional FDb E 16 calibration 6 11 narrow FDn E 16 wid...

Page 349: ...mode DIP 6 24 manifold and blender 8 99 map extended features E 2 measured T S value See turbine speed turbine speed 6 22 mechanical shock 6 26 membrane switch panel 8 77 align 8 78 memory 6 36 board 8 92 MODEL 7 3 7 4 model selection 6 33 motor board 8 94 MRI equipment iii N clear 6 36 notes definition 1 2 2 3 2 6 2 10 O O2 blender see oxygen blender O2 blender filter see oxygen blender filter O2...

Page 350: ...8 123 8 127 options 6 29 pilot in and pilot out 8 127 test 6 29 9 23 SOLENOID 6 29 sounder assembly 8 55 8 57 8 75 connector 8 75 8 78 specifications A 1 step test 6 30 Stepper Motor Calibration 6 20 sterilizing 4 1 storage 5 2 symbols 1 5 T temperature compensation 6 35 tests 12 hour burn in 9 32 alarm 2 3 9 2 battery duration battery charge 9 14 battery level 9 13 breath rate 9 19 control 2 6 9 ...

Page 351: ...nd cable installation 8 50 overview diagram 8 33 plug subassembly 8 41 removal 8 37 removal replacement instructions 8 37 replacement 8 38 solenoid manifold preparation 8 39 solenoid manifold routing 8 120 solenoid manifold tube routing table 8 35 solenoid manifold analog PCBA and external port tubing installation 8 44 solenoid mount preparation 8 41 solenoid mount and subassemblies installation 8...

Page 352: ...atchdog test 9 24 worksheets 12 hr burn in 9 34 battery checkout see power checkout worksheet see power checkout worksheet general checkout 9 9 oxygen checkout 9 31 performance checkout 9 27 power checkout 9 16 9 17 X XDCR FAULT 7 7 7 12 7 33 7 41 XDCR ZERO 7 8 7 10 7 13 7 15 7 19 7 20 Z ZIF connector 8 77 8 87 ...

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