LTV 1200 User manual

p/n 18603-001, Rev. C LTV®1200/1150 Ventilator Service Manual Page i
Revision History
Revision Level Revision Date
Rev. A, ECO 4188 September 2006
Rev. B, ECO 4950 March 2008
Rev. C, ECO 5407 July 2008
Contact Information
Cardinal Health
Pulmonetic Systems
17400 Medina Rd., Suite 100
Minneapolis, Minnesota 55447-1341
Phone: [phone]
Office Fax: [phone]
Customer Care Center Phone: [phone], ext. 2
Customer Care Center Fax: [phone]
Sales/Marketing E-mail: [email protected]
Customer Care Center E-mail: [email protected]
Pulmonetic Systems Website: http://www.pulmonetic.com
LTV®1200 and LTV®1150 are trademarks belonging to Pulmonetic Systems
Copyright ©2008 Pulmonetic Systems, Minneapolis, Minnesota.

Page ii LTV®1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
User/Owner Responsibility
This manual is intended for use only by service personnel who have been trained and
authorized by Pulmonetic Systems to service the LTV® 1200/1150 ventilator.
Pulmonetic Systems does not condone or approve of service activity on its products by
untrained and unauthorized personnel. Pulmonetic Systems is not responsible for any
unauthorized repairs or any repairs made by unauthorized procedures.
Use of an incorrect part or failure to exercise due care in the installation, removal, servicing,
checkout or calibration of parts and equipment may result in damage or malfunction of the
equipment. This may also result in damage to property and injury including death.
The purchaser and installer of these parts shall bear full responsibility and liability for the
above. All maintenance performed within the applicable warranty period must be authorized
in advance by a Pulmonetic Systems’ Service representative in order to retain the warranty
status of the subject unit.
Warranty
Pulmonetic Systems warrants that the LTV®1200/1150 ventilator is free from defects in
material and workmanship for a period 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.
Pulmonetic Systems 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 returned to Pulmonetic Systems or a
service facility designated by Pulmonetic Systems, shipping prepaid by the Buyer.
LIMITATION OF WARRANTY
Ordinary maintenance, as specified in the LTV®1200/1150 Ventilator Operator’s and
Service Manuals, is not covered under the foregoing warranty
The foregoing warranty does not apply to defects resulting from:
1) Improper or inadequate maintenance of the unit;
2) Improper use or misuse of the unit;
3) Unauthorized modifications or repair to the unit;
4) Use of the unit with unauthorized accessories, e.g. external battery or AC adapter.
5) Operation of the unit outside the specified environment.
NO IMPLIED WARRANTIES
This warranty is exclusive. There are no other warranties expressed or implied.
LIMITATION OF LIABILITY
Pulmonetic Systems shall not be liable for loss of profits, loss of use consequential
damages, or any other claim based on breach of warranty. Pulmonetic Systems’ liability for
damages of any kind shall be limited to the purchase price of the defective unit.

p/n 18603-001, Rev. C LTV®1200/1150 Ventilator Service Manual Page iii
Notices
The LTV®1200/1150 ventilator complies with limitations as specified in IEC 601-1-2 for
Medical Products. It does however, use and radiate radio frequency energy.
The function of this machine may be adversely affected by the operation of other nearby
equipment, such as high frequency surgical diathermy equipment, short-wave therapy
equipment, defibrillators or MRI equipment.
European Regulatory Requirements per 93/42/EEC Medical Device Directives
Pulmonetic Systems European Representative for vigilance reporting within the European Community
is:
MediMark® Europe Sarl.
11, rue Emile Zola. BP 2332
F-38033 Grenoble Cedex 2. France
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Any product malfunctioning issues that fall under Medical Device Directives Essential Requirements
should be directed to MediMark.
Notice to Users
Unsafe Operation - Servicing the LTV®1200/1150 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 on Warnings and Cautions carefully
before attempting to service or operate the LTV®1200/1150 ventilator. General warnings
and cautions which apply any time you use the ventilator are listed in the front of this
manual. General and specific warnings and cautions also appear throughout the text where
they are most meaningful.
Use and Maintenance - Any questions regarding installing, setting up, operating, or
maintaining the LTV®1200/1150 ventilator, should be directed to a service technician who
has been trained and certified by Pulmonetic Systems to service the LTV®1200/1150
ventilator or Pulmonetic Systems using the contact information at the front of this manual.

Page iv LTV®1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
Contents
Notices .........................................................................................................................................iii
Chapter 1 - Introduction.................................................................................. 1-1
Getting Assistance ....................................................................................................................1-1
Operator’s Safety Information ...................................................................................................1-2
Warnings ...................................................................................................................................1-3
Cautions ....................................................................................................................................1-4
Symbols.....................................................................................................................................1-5
Chapter 2 - Ventilator Checkout Tests .......................................................... 2-1
Alarm Test .................................................................................................................................2-3
Display Test...............................................................................................................................2-4
Control Test...............................................................................................................................2-6
Leak Test...................................................................................................................................2-8
Vent Inop Alarm Test ..............................................................................................................2-10
Exit ..........................................................................................................................................2-11
Chapter 3 - Real-Time Transducer Data ........................................................ 3-1
Chapter 4 - Cleaning, Disinfecting and Sterilizing........................................ 4-1
Cleaning the Ventilator..............................................................................................................4-1
Cleaning or Replacing the Fan Filter......................................................................................... 4-2
Cleaning or Replacing the Inlet Filter........................................................................................4-3
Cleaning or Replacing the O2Inlet Filter (LTV® 1200 Only)......................................................4-4
Cleaning the Exhalation Valve and Reusable Patient Circuit ...................................................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 Mode......................................................................................... 6-5
Vent Maintenance Entry Alarm .............................................................................................6-6
Calibration .................................................................................................................................6-6
Airway Pressure Calibration..................................................................................................6-7
Calibrate the Airway Pressure Transducers .........................................................................6-9
Flow Differential Calibration ................................................................................................6-10
Valve Differential Calibration...............................................................................................6-13
PEEP Pilot Pressure Transducer Calibration .....................................................................6-16
O2Inlet Pressure Calibration (LTV®1200 Only) .................................................................6-17
Motor Drive Calibration .......................................................................................................6-19
Measure Turbine Speed (T/S) ............................................................................................6-21

p/n 18603-001, Rev. C LTV®1200/1150 Ventilator Service Manual Page v
Vent Maintenance Exit........................................................................................................ 6-23
Calibration Worksheet ........................................................................................................ 6-24
Flow Valve Calibration ............................................................................................................ 6-25
Flow Valve Calibration Worksheet ..................................................................................... 6-28
Servo....................................................................................................................................... 6-29
Solenoid.................................................................................................................................. 6-30
Step Test ................................................................................................................................ 6-31
Watchdog Test........................................................................................................................ 6-32
Configuration .......................................................................................................................... 6-33
Model Selection ...................................................................................................................... 6-34
Flow Valve Home Position...................................................................................................... 6-35
Temperature Compensation................................................................................................... 6-36
Configuration Menu Exit .........................................................................................................6-37
CLEAR.................................................................................................................................... 6-38
Vent Maintenance Menu Exit.................................................................................................. 6-39
Chapter 7 - Troubleshooting...........................................................................7-1
Displays and Buttons ................................................................................................................ 7-2
Ventilator Performance............................................................................................................. 7-7
Advanced Diagnostic Procedures .......................................................................................... 7-23
Advanced Vte Diagnostic Procedures................................................................................ 7-23
Advanced FiO2Diagnostic Procedures (LTV®1200 Only)................................................. 7-27
Power and Battery Operation ................................................................................................. 7-29
Alarms..................................................................................................................................... 7-32
Checkout Test Failures........................................................................................................... 7-40
Test Lung Operation ............................................................................................................... 7-43
Chapter 8 - Component Removal and Replacement.....................................8-1
Training and Authorization........................................................................................................ 8-1
Service Record ......................................................................................................................... 8-1
Tools ......................................................................................................................................... 8-2
Calling for Assistance ............................................................................................................... 8-2
Before removing the back panel............................................................................................... 8-3
Before replacing the back panel ............................................................................................... 8-3
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 installation (current LTM).................................................... 8-20
LTM/LTV® mounting bracket (earlier model LTM) .............................................................. 8-22
LTM/LTV mounting bracket temporary removal (earlier model LTM) ................................ 8-23
LTM/LTV mounting bracket permanent removal (earlier model LTM) ............................... 8-24
LTM/LTV®mounting bracket, reinstallation (for earlier model LTM) .................................. 8-25
LTM/LTV®mounting bracket new installation (earlier model LTM) .................................... 8-26

Page vi LTV®1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
Back Panel ..............................................................................................................................8-28
Back Panel, Removal..........................................................................................................8-28
Back Panel, Reinstallation ..................................................................................................8-29
Internal Flexible Tubing...........................................................................................................8-33
Tubing Overview Diagram ..................................................................................................8-33
Tubing Table .......................................................................................................................8-34
Solenoid Manifold Tube Routing Table...............................................................................8-35
Solenoid Mount Tube Routing Table ..................................................................................8-36
Tubing Removal/Replacement Instructions ........................................................................8-37
Accumulator ............................................................................................................................8-53
Alarm Sounder Assembly........................................................................................................8-55
Analog Board Assembly..........................................................................................................8-57
External Inlet Filter ..................................................................................................................8-62
Fan Assembly..........................................................................................................................8-63
Cleaning the Fan Filter........................................................................................................8-64
Flow Valve Assembly ..............................................................................................................8-65
Front Panel..............................................................................................................................8-71
Internal Battery Pack...............................................................................................................8-77
Caring for the Internal Battery.............................................................................................8-80
Internal Inlet Filter....................................................................................................................8-81
Main Board Assembly .............................................................................................................8-82
Memory Board.........................................................................................................................8-88
Motor Board Assembly............................................................................................................8-90
O2Blender Assembly / O2Block .............................................................................................8-92
O2Blender Filter (LTV®1200 only) .......................................................................................8-100
Power Board Assembly.........................................................................................................8-101
Right and Left Soft Side Panels ............................................................................................8-113
Rotary Switch (Set Value Knob) Assembly...........................................................................8-114
Solenoid Manifold Assembly .................................................................................................8-116
Solenoid Manifold Tube Routing Table.................................................................................8-116
Solenoid Mount Assembly.....................................................................................................8-122
Thermo Conductive Motor Board Heatsink Pad ...................................................................8-125
Thermo Conductive Turbine Pad ..........................................................................................8-126
Turbine Manifold....................................................................................................................8-127
Chapter 9 - Final Checkout Test..................................................................... 9-1
Checkout Test Selection ...........................................................................................................9-1
General Checkout .....................................................................................................................9-2
General Checkout Worksheet...............................................................................................9-8
Power Checkout......................................................................................................................9-11
Power Checkout Worksheet ...............................................................................................9-13
Performance Checkout ...........................................................................................................9-15
Performance Checkout Worksheet ..................................................................................... 9-23
12 Hour Burn-in .......................................................................................................................9-28
12 Hour Burn-in Worksheet ................................................................................................9-30
Appendix A - Ventilator Specifications .........................................................A-1
Appendix B - Glossary....................................................................................B-1
Appendix C - Service Record Form ...............................................................C-1

p/n 18603-001, Rev. C LTV®1200/1150 Ventilator Service Manual Page vii
Appendix D - Event Trace .............................................................................. D-1
Appendix E - Reference Information ............................................................. E-1
Conversion Factors................................................................................................................... E-1
Extended Features Map ...........................................................................................................E-2
External Accessories Screw Location, Type and Length ......................................................... E-5
Parts, Replacement .................................................................................................................. E-7
Settings, Dip Switch................................................................................................................ E-10
Settings, Front Panel Controls and Extended Features ......................................................... E-11
Tools, Required ...................................................................................................................... E-12
Transducer Calibration, Acceptable A/D Counts .................................................................... E-16
Torque Values ........................................................................................................................ E-17
Appendix F - Index...........................................................................................F-1

p/n 18603-001, Rev. C LTV®1200/1150 Ventilator Service Manual Page 1-1
Chapter 1 - I NTRODUCTION
This manual describes how to perform routine maintenance, troubleshooting, and repairs on
the LTV®1200/1150 ventilator. It is designed for use by service personnel who have been
trained and authorized by Pulmonetic Systems. Do not perform any of the procedures in
this manual unless you are trained and authorized for service on LTV®1200/1150
ventilators.
This manual contains what you need to know to:
1) Perform preventative maintenance.
2) Calibrate the ventilator.
3) Perform routine troubleshooting.
4) Remove and replace major components of the ventilator.
See the LTV®1200 Ventilator Operator's Manual (P/N 18247-001) or the LTV®1150
Ventilator Operator’s Manual (P/N 19159-001) for information on setting up and operating
the ventilator.
Getting Assistance
If a problem occurs while maintaining the LTV®1200/1150 ventilator or if you require
additional information, contact a service technician who has been trained and certified by
Pulmonetic Systems to service the LTV®1200/1150 ventilator or Pulmonetic Systems at:
Cardinal Health
Pulmonetic Systems
17400 Medina Rd., Suite 100
Minneapolis, Minnesota 55447-1341
Phone: [phone]
Office Fax: [phone]
Customer Care Center Phone: [phone], ext. 2
Customer Care Center Fax: [phone]
Sales/Marketing E-mail: [email protected]
Customer Care Center E-mail: [email protected]
Pulmonetic Systems Website: http://www.pulmonetic.com

Page 1-2 LTV®1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
Operator’s Safety Information
All Operators must read and understand the following information about Warning, Caution
and Note statements before operating the LTV®1200/1150 ventilator.
General warnings and cautions which apply any time you use 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 result
in equipment damage.
NOTE
“Note” statements contain additional information to assist in the proper operation of the
ventilator.