VPAP® III, VPAP III ST, VPAP III ST-A
Contents
1. Accessories amp Features Language English v Serial Number 20030062550 Main PCB Number 20030062550 Software Version 5x36501 03 Mask Type Mirage 7 Tube Length 2 meters 7 Humidifier None 7 F SmartStart Stop Iv Mask Alarm Cancel Default 3 Enter the unit s product code and serial number which is located on the base of the unit 4 Press the Default button to enter the default settings 5 Press the Set button to load the settings into the flow generator Note Ensure the time and date settings are correct for your region Select Settings gt Set tme and date to view and modify these settings as required If the clinical settings could not be recorded and the unit was reset to the factory default settings the patient will need to be notified so they can have their settings reloaded Replacing the cable harness with switch and humidifier connector With the blower assembly and Main PCB removed remove the PCB insulator PCB insulator VPAP III ST A VPAP Ill VPAP III ST 34 VPAP III VPAP III ST VPAP III ST A Service Manual 2 Slide the humidifier connector out of its housing by depressing the two locks at the side of the connector while pushing it upwards Location of locks 3 Locate the switch at the rear of the unit e For older version VPAP Ill and IIl ST units push down the tabs on the top of the switch while also pushing it forwards out of the re2. 100 240V 50 60Hz 2A 5 Replacing major subassemblies 19 5 Turn the module upside down and release the locking tabs that are holding the flexible cable H 1118 fe pau att Locking tabs r r N 6 Gently pull out the flexible cable Remove the filter 7 Take hold of the lower end of the air filter cover and pull it out and away from the unit Remove the top case 8 With the interface assembly removed turn the unit upside down and undo the four screws holding on the top case using a Phillips head screwdriver Screws Screws 20 VPAP III VPAP III ST VPAP III ST A Service Manual 9 Turn the unit right side up and carefully lift off the top case allowing the flexible cable to slip through the top case VPAP III with top case removed Power Supply PCB Blower module Flexible cable Replacing the blower module assembly Caution The following procedures should be completed exactly as written to ensure sensor tubes GY are not kinked or compressed If replacing the blower to reduce noise from the unit complete the procedures in Appendix B Noise reduction upgrade The application of foam rather than replacing the blower may help to reduce noise Disconnect the sensor tube and elbow from the blower outlet connector on the blower Sensor tube and elbow 5 Replacing major subassemblies 21 3 Turn it over towards the left and rest it on the jig 4 Using a small screw
3. 19210 R330 7057 Z331 19233 30941 30951 30949 30956 Americas only 30914 30915 30917 30939 30955 30958 30959 30960 30961 30962 30963 6 Replacement parts list 55 Warning Calibration procedures All calibration procedures should be carried out whenever the Main PCB or blower has been replaced Warnings and cautions Incorrect connection of mains voltage can result in dangerous voltages being present on the equipment chassis Incorrect orientation of leads and plugs during reassembly can lead to equipment damage upon power up While the VPAP III uses an isolated power supply it is recommended that isolation transformers are used for added safety while working with the cases opened up and power switched on Note Always wait at least 10 seconds after the mains power is switched off before switching it on again This allows the capacitors in the power supply to discharge Any abnormal resonance noise or vibration of the unit must be investigated before the unit is returned to the owner Equipment required e ResMed Spirit 2 1 Service Software 30967 or available in service software kit 30966 which includes null modem cable oxygen sideport connector closed bubble cushion standard mask frame and security key Note Instructions for installing the Spirit 2 1 Service Software can be found in Appendix C Installing the service software e Calibrated manometer 0 30 cm H20 range e Calib
4. Blower inlet connector slides onto inlet seal post Blower outlet connector slides onto post Note Ensure the three vibration mounts are sitting firmly between the blower module and the lower case Location of the vibration mounts MA O28 re Sean 24 VPAP III VPAP III ST VPAP III ST A Service Manual 13 Connect tube 3 to the blower outlet connector on the blower 14 Ensure that the flexible cable is not stuck underneath the blower Note If replacing the sensor tubes ensure they are cut to the following lengths Slimline Tube 1 pressure 170 5mm port fitting Tube 2 225 5mm L shaped Tube 3 connector 120 5 mm Replacing the blower inlet and outlet connectors Grasp both halves of the blower module near the blower outlet connector in order to pull it apart 5 Replacing major subassemblies 25 2 Remove the top half of the blower casing Blower inlet connector Volute Blower outlet connector 3 Remove the volute from the bottom half of the blower casing 4 The blower inlet connector and blower outlet connector can then be removed from the volute 5 Fitthe new blower outlet connector ensuring it is seated properly on the volute as shown below Lip of blower outlet connector seated on volute 26 VPAP III VPAP III ST VPAP III ST A Service Manual 6 Fit the new blower inlet connector ensuring it is seated correctly on the volute Blower inlet connector flush to wall
5. Screws Chassis Front cowl Screws 2 Remove the chassis from the front cowl 44 VPAP III VPAP III ST VPAP III ST A Service Manual 3 Thelocking plate can then be removed from the chassis Locking plate Front muffler seal 4 Slide the locking plate onto the chassis and place the chassis in the front cowl 5 Connect the chassis to the front cowl with the four screws Caution Thread cuttings screws are used in the front muffler seal When replacing a thread cutting A screw turn the screw anti clockwise until it fits into the previously cut thread otherwise the original thread may be stripped out 5 Replacing major subassemblies 45 The HumidAire 2i Opening the HumidAire 2i Separate the water chamber from the docking station by pushing upwards on the latch on the bottom of the water chamber 2 Turn the unit on its side and hold the flow generator with one hand while releasing the bottom catch with the other hand 3 Pull the humidifier away from the unit 46 VPAP III VPAP III ST VPAP III ST A Service Manual Removing components from the water chamber I Lift the catches on the side of the water chamber Water chamber lid Water chamber base The water chamber lid Inside the chamber lid is the seal To remove the seal peel it away from the lid 5 Replacing major subassemblies 47 The water chamber base The heater plate Remove the cross member from the su
6. With the blower module removed lift the power supply out of its mounting slots 2 Disconnect the AC input cable and the DC output cable DC output cable AC input cable 3 Install the new power supply reconnecting both cables and ensuring that the power supply is correctly located in the mounting slots Make sure the wires are located as shown below 5 Replacing major subassemblies 29 Replacing the power supply VPAP III ST A models With the blower module removed lift the power supply out of its mounting slots 2 Disconnect the AC cable DC cable PSU cable harness and the humidifier mains cable PSU cable AC cable esa from switch Humidifier DC cable mains cable from switch 3 Install the new power supply reconnecting all cables and ensuring that the power supply is correctly located in the mounting slots Make sure the wires are located as shown below 30 VPAP III VPAP III ST VPAP III ST A Service Manual Replacing the Main PCB Remove the blower module disconnecting the sensor tubes from both the sensors on the PCB and from the blower module Note Remove the sensor tubes from the PCB by gently twisting and pulling upwards on the tubes to ensure that the pressure ports are not damaged 2 Disconnect the power supply and the humidifier interface cable Screw holding Main PCB Humidifier interface cable 3 Undo the screw securing the PCB to the bottom of the case 4 Place a small sc
7. lt 4 n o A 5 XE ritn A le a Bete O ST re ta F P _ A 4 de Buzzer E9026 Serial connector seal PCB insulator R300 7109 R300 7107 Main PCB VPAP III ST A 19304 Main PCB VPAP III ST A US 19305 Flexible cable 19208 6 Replacement parts list 53 54 Power supply assembly VPAP Il HI ST 19275 Also available for VPAP III III ST II ST A Cable harness 24V DC output R300 744 Power supply assembly VPAP III ST A 19306 Main wiring harness VPAP III III ST includes IEC switch R241 729 IEC socket switch VPAP III Ill ST R300 7111 Main wiring harness VPAP III ST A includes switch R241 735 Available as an accessory VPAP III ST A Power cord clip 2pk 26914 VPAP III VPAP III ST VPAP III ST A Service Manual Also available Silicone tubing 1 m length Slimline pressure port fitting L shaped connector HumidaAire 2i spare parts HumidAire 2i knob assembly Note The following HumidAire 2i spare parts are available as accessories Contact your local ResMed office for prices Tub assemblies and docking station Tub assembly UDEL Tub assembly PC Docking station HumidAire 2iC tub assembly PC Other accessories Water chamber heating plate Water chamber O ring Latch UDEL Latch PC Side catches PC Tub main seal Lid side catches PC Lid side catches UDEL Base side catches PC Base side catches UDEL Side catches UDEL
8. RESMED VPAP III VPAP M ST VPAP M ST A Reorder No 248106 3 05 04 SERVICE MANUAL English www resmed com Waking people up to sleep Manufactured by ResMed Ltd Elizabeth MacArthur Drive Bella Vista NSW 2153 Australia Tel 61 2 8884 1000 or 800 658 189 toll free Fax 61 2 8883 3114 Email reception resmed com au ResMed Offices ResMed Corp 14040 Danielson Street Poway CA 92064 6857 USA Tel 1 858 746 2400 or 1 800 424 0737 toll free Fax 1 858 746 2900 Email reception resmed com ResMed UK Ltd 65 Milton Park Abingdon Oxfordshire OX14 4RX UK Tel 44 1235 862 997 Fax 44 1235 831 336 Email reception resmed co uk ResMed Asia Pacific Ltd 97 Waterloo Road North Ryde NSW 2113 Australia Tel 61 2 9886 5000 or 800 991 900 toll free Fax 61 2 9889 1471 Email reception resmed com au ResMed Finland Niittykatu 6 FIN 02200 Espoo Suomi Tel 358 9 8676820 Fax 358 9 86768222 Email reception resmed fi ResMed GmbH amp Co KG RudolfstraBe 10 D 41068 Monchengladbach Deutschland Tel 49 0 2161 3521 0 Reception 49 0 180 22 22 668 Service Telefon 0 06 s Anruf 49 0 180 22 66 888 Wartungstelefon 0 06 s Anruf Fax 49 0 2161 3521 1499 Email reception resmed de ResMed Hong Kong Ltd Room 1714 Miramar Tower 132 134 Nathan Road Tsim Sha Tsui Hong Kong Tel 852 2366 0707 Fax 852 2366 4546 Email reception resmed com hk ResMed Japan Nihonbashi Hisamatsu Bldg 4F 2 28 1 Nihonbashi Hamacho
9. Air tubing kinked or punctured Refit or replace as required Inlet air filter is clogged up Check and replace filter as required Faulty motor Replace motor Damaged pressure sensor Replace Main PCB Unit continually fails pressure e Torn blower outlet connector e Replace blower outlet calibration connector Humidifier not heating up e Humidifier not docked properly e Locate humidifier docking station onto the unit then place the chamber in the docking station The flow generator menu indicates when humidifier is connected e Replace docking station e Replace docking station e Humidifier component failure e Thermal overload protector activated e Flow generator interface failure e Replace humidifier connector 60 VPAP III VPAP III ST VPAP III ST A Service Manual Symptom Possible Cause Cause Flow generator with ae e a not attached e Ensure humidifier is a attached continues to restart correctly attached to flow generator Error message e Pressure sensor adaptor is not Check and refit pressure Check hoses connected properly to flow sensor adaptor as required Key if done generator e Damage to internal air tubing e Replace or repair as required e Pressure sensor adaptor or e Replace as required external hose is damaged Error message e Transducer error e Replace Main PCB System error Call Service Replace blower assembly during normal operation VPAP III ST A only Message e Treatment pre
10. 11 8 Flow calibration test 12 9 Blower test 12 10 Audible alarm test 12 11 VPAP III ST A alarm test VPAP III ST A only 12 12 DC power test VPAP III ST A only 13 13 HumidAire 2i test 13 14 Reload clinical settings 15 15 Complete the Service record results form 15 16 Fill out product problem report 15 4 Static PreCauvons sigoore rnes uE NNE 16 5 Replacing major subassemblies 17 Outer components of the flow generator 17 Opening the flow generator 18 Remove the front muffler assembly 18 Removing the interface assembly 19 Remove the filter 20 Remove the top case 20 Replacing the blower module assembly 21 Replacing the blower inlet and outlet connectors 25 Replacing the fuse for VPAP III and VPAP III ST models only 28 Replacing the power supply VPAP III and VPAP III ST models 29 VPAP III VPAP III ST VPAP III ST A Service Manual Replacing the power supply VPAP III ST A models Replacing the Main PCB Installing the serial number and default settings Replacing the cable harness with switch and humidifier connector Replacing the switch for VPAP III and VPAP III ST models only Placing decals on replacement bottom cases Replacing interface assembly components Closing the flow generator Replacing front muffler components The HumidAire 2i Opening the HumidAire 2i Removing components from the water chamber The water chamber lid The water chamber base 6 Replacement parts list ccccesss
11. Chuo Ku Tokyo 103 0007 Japan Tel 81 3 3662 5056 Fax 81 3 3662 5040 ResMed Malaysia Sdn Bhd Suite E 10 20 Plaza Mon t Kiara No 2 Jalan 1 70C Mon t Kiara 50480 Kuala Lumpur Malaysia Tel 60 3 6201 7177 Fax 60 3 6201 2177 Email reception resmed com my ResMed NZ Ltd PO Box 51 048 Pakuranga Auckland New Zealand Tel 0800 737 633 NZ toll free or 64 25 737 633 Fax 0800 737 634 NZ toll free or 64 9 239 0193 Email reception resmed co nz ResMed SA Parc de la Bandonni re 2 rue Maurice Audibert 69800 Saint Priest France Tel 33 0 4 37 251 251 Fax 33 0 4 37 251 260 Email reception resmed fr ResMed Singapore Pte Ltd 238A Thomson Road 12 03 04 Novena Square Tower A Singapore 307684 Tel 65 6284 7177 Fax 65 6284 7787 Email reception resmed com sg ResMed Spain SL C Arturo Soria 245 28033 Madrid Espana Tel 34 93 590 8154 Fax 34 93 590 8153 Email angelo resmed es ResMed Sweden AB Industrigatan 2 S 461 37 Trollhattan Sverige Tel 46 520 420 110 Fax 46 520 397 15 Email reception resmed se Labhardt AG Thannerstrasse 57 CH 4054 Basel Schweiz Tel 41 061 307 9711 Fax 41 061 307 9722 Email info labhardt ch US DESIGNATED AGENT ResMed Corp EU AUTHORISED REPRESENTATIVE ResMed UK Ltd Internet www resmed com Protected by patents AU 697652 AU 699726 AU 713679 EP 0661071 EP 0858352 US 4944310 US 5199424 US 5522382 US 6213119 US 6240921 US 6705315 Other patents pending Protected by de
12. Pas Fail Repaired Pass 246 L min M Pass Fail Repaired Pass 140 12 L min Pass Fail Repaired Pass a DC Power Test H2i and Audible Alarm Tests P NA M Pass Fail Repaired Pass Humid ire 2i M Pas Fail Repaired Pass a Repaired Pass YPAP Ill STA Alarm Tests NA M Pass Fal Repaired Pass Audible Alarm 7 Pass JT Fail m Complete Service Reload Clinical Settings V Completed Complete Problem Report Completed V N A 16 Fill out product problem report If any problems are found with the flow generator fill out the Service request form in Appendix A of this manual and send it to ResMed in Sydney for review and logging The address may be found on the first page of this manual Check the appropriate Fill out product problem report box in the Service details window Save the file If a hard copy of the form is needed press the Print button at the top of the window Close the Record of Service window 3 General inspection and servicing 15 Warning 16 4 Static Precautions Prior to disassembly or assembly make sure that the power is not connected to the flow generator Integrated circuits ICs within the various PCBs can be badly damaged by electrostatic discharge or transient voltages The following procedures are recommended to avoid component damage Work benches where handling and repairs are done must have surfaces of suita
13. after the welcome message Press the right key until the warm up feature prompt is displayed 5 Turn the knob to 5 6 Press the right key to start the HumidAire 2i warming up Ensure the light on the humidifier turns on to indicate the unit is warming eya aS Humidifier Control Light indicating humidifier warming 7 For VPAP IIl and VPAP III ST units press the right button again to stop the warm up feature 8 Switch off the flow generator and remove the HumidAire 2i docking station Warning The HumidAire 2i heating plate will be extremely hot in excess of 60 c 9 Refit the front cover 10 Switch on the flow generator and observe the LCD screen Confirm that the warm up feature prompt is not displayed in the LCD screen If the flow generator fails this test switch off and remove the power cord Remove the top cover and blower assembly by referring to the instructions given in Section 5 Replacing major subassemblies Check that all cables inside the flow generator are connected correctly 14 VPAP III VPAP IlI ST VPAP III ST A Service Manual 14 Reload clinical settings A WwW N Select Settings gt Flow generator settings from the main window Select File gt Read settings from file or select the folder icon Navigate to where the settings file was saved and open the file Once the settings are displayed on the screen click the Set button to upload them to the flow generator Close the Flow generator
14. driver carefully prize off the two silicone tubes connected to the base of the blower Disconnect the motor cable assembly from the Main PCB Place the new blower module on the jig 7 The sensor tube that was connected to the blower outlet connector is connected to the third sensor port on the Main PCB Ensure that the elbow is facing towards the side of the case as shown below 22 VPAP III VPAP III ST VPAP III ST A Service Manual 8 Connect silicone tube to the right hand side of the module base from pressure sensor port on left This tube must pass behind the vibration mount once the blower is located 9 Connect the motor cable assembly which should run over the top of sensor tube I VPAP IIl and VPAP III ST models VPAP III ST A model with Ferroxcube Toroid Ferroxcube Toroid 10 Take the second silicone tube running from sensor port 2 and connect it to the second port free in the blower base It should also run underneath the motor cable and behind the vibration mount with sensor tube I Note The fourth port is left open to measure atmospheric pressure 5 Replacing major subassemblies 23 Bend tube 3 to the front of the unit as shown below 12 Turn the blower assembly over and install it in the lower case taking care with the location of the blower inlet connector and blower outlet connector Pay special attention to the routing of the silicon tubes so that no kinking or compression occurs i
15. of volute 7 Before placing the volute in the casing check that the motor cable is located under the tab as shown below Motor cable located under tab 8 Place the volute in the blower casing Ensure the blower inlet and outlet connectors are seated as shown below 9 Place the motor cable grommet in the slot as shown below Grommet in slot in blower casing 5 Replacing major subassemblies 27 10 Take the top half of the blower casing and place it on the lower half of the casing Ensure the top half of the casing sits behind the blower outlet connector as shown below V Correct X Incorrect Press evenly around the edge of the casing the reseal the blower casing Replacing the fuse for VPAP IlI and VPAP III ST models only With the blower module removed the fuse casing is now accessible It is located under the folded PCB insulator 2 Pull out the wires to remove the fuse casing from behind the insulator A PN PCB insulator which covers the fuse casing da SN i j3 y i ERSS agoi i 3 Push the casing together and twist in an anti clockwise direction The fuse casing will separate giving access to the fuse 4 Replace the blown fuse 5 Reconnect the fuse casing 28 VPAP III VPAP III ST VPAP III ST A Service Manual 6 Locate the wires and fuse to their original position 7 Refit the blower module Replacing the power supply VPAP III and VPAP III ST models
16. service technician Some countries require all medical equipment to have a periodic service to confirm that the equipment is in good working order Section 3 General inspection and servicing may be used in this situation Appendix A Service Request Form Whenever you locate a fault in a flow generator fill out this form and return it to ResMed for logging Appendix B Noise reduction upgrade Lists procedures to follow to reduce noise in problem flow generators Appendix C Installing the service software Lists procedures for installing the service software Note Schematics of all PCBs in this flow generator are available to authorised service centres To order please contact your local ResMed office VPAP III VPAP III ST VPAP III ST A Service Manual Introduction This manual is a guide to servicing and repairing the VPAP III VPAP III ST and VPAP III ST A flow generator and humidifier It is written for ResMed distributors and gives instructions for replacing subassemblies and for recalibration as appropriate Work at the component level will normally be carried out by ResMed Intended users of this manual Before attempting any repair work please ensure that you e are familiar with the operating manual and the clinical manual for the flow generator have suitable electrical and mechanical training to satisfy the requirements of the relevant regulatory authorities e use the correct antistatic procedures described
17. should wherever possible be kept away from the ICs as they develop and maintain high levels of static charge 10 Low humidity increases potential static problems Maintaining humidity levels above 60 is one of the most effective ways to guard against static handling problems VPAP III VPAP III ST VPAP III ST A Service Manual 5 Replacing major subassemblies This section contains brief instructions and points to be aware of as you replace major subassemblies and reassemble the flow generator When a Main PCB or motor is replaced the flow generator must be recalibrated by Caution following the procedures in Section 7 Calibration procedures Outer components of the flow generator Handle Top case Interface panel Filter Front muffler Bottom case assembly Water chamber Docking station P a D VPAP III with HumidAire 2i attached 5 Replacing major subassemblies 17 Opening the flow generator Remove the front muffler assembly Press the latch underneath the front muffler assembly 18 VPAP III VPAP III ST VPAP III ST A Service Manual Removing the interface assembly 3 Using a screwdriver release the two front lock tabs while pulling the interface assembly upwards Front lock tabs Use a screw driver to push against locking tabs 4 Lift up the module carefully so as not to place any strain on the flexible cable or PCB underneath E p i a Mi A CAUTION OG MAINS VOLTAGES
18. to confirm that the flow generator is in good electrical and mechanical condition These tests will highlight any major mechanical or electrical problem with the unit Enter the results in the electronic form provided in the service software Equipment required e ResMed Spirit 2 1 Service Software 30967 or available in service software kit 30966 which includes null modem cable oxygen sideport connector closed Bubble Cushion standard mask frame and security key Note Instructions for installing the Spirit 2 1 Service Software can be found in Appendix C Installing the service software e Calibrated flow meter with flow regulation valve Note The flow meter must be capable of measuring air flows ranging from O to 150 L min with an accuracy of 3 or better over this range e 2 metre air hose e Manometer 0 30 cm H20 range e A computer running Windows NT 4 0 2000 or XP Note There is only partial support for the VPAP III ST A on a computer running Windows NT 4 0 Some command settings will not be available e HumidAire 2i docking station For VPAP III ST A only e DC 24 30 converter ResMed part 22015 e DC power supply 12V battery or bench top power supply capable of supplying 3 amps or more 3 General inspection and servicing 7 8 Software buttons Flow generator settings dialog Perform the audible alarm test D LV Perform the pressure calibration test Service record results form Ny Perform t
19. window 2 Follow the prompts on the screen Once the calibration is complete the following screen will be displayed Flow calibration summary Flow calibration v the flow calibration has been completed successfull Please record the flow calibration results shown below Press OF to continue Flow calibration results F1 Constant 0 0097 F2 Constant 1 746 F3 Constant 1576 875 58 VPAP III VPAP III ST VPAP III ST A Service Manual 3 Motor noise calibration VPAP III ST A only Caution The flow calibration must be performed before the motor noise calibration l Select Calibration gt Motor noise calibration or press the Motor noise calibration button at the top of the main window 2 Follow the prompts on screen Once the calibration is complete the following screen will appear Motor noise calibration summary xX Motor noise calibration s the motor noise calibration has been completed successtully Please record the motor noise calibration results shown below Press OK to continue Motor noise calibration results Motor noise index 938 Motor noise offset 1567 K2 Constant fre K3 Constant a4 Once the calibrations are complete repeat tests 6 12 from Section 3 General inspection and servicing If the unit fails calibration ensure the test set ups are correct If the unit continues to fail send the flow generator with product problem report found on page 65 of this manual to
20. with serials numbers earlier than 20040018972 you may prefer to perform the build standard upgrade rather than replacing the motor To perform the build standard upgrade it is necessary to make the following changes Add 4 x R300 7017 blower top foam pads to the volute 2 Add 2 x R300 7017 blower top foam pads to the outside of the upper airpath 3 Add 3 x R300 733 top foam pads to the lower airpath 4 Fit a cable tie to the main power switch and replace the blower outlet connector Equipment required e 6 x blower top foam pad part R300 7017 e 3 x top foam pad part R300 733 e Blower outlet connector part R300 7018 e x 100 mm cable tie Adding foam pads to the blower assembly Remove the blower assembly from the flow generator following the procedures outlined in Section 5 Replacing major subassemblies Separate the upper airpath from the lower airpath 2 Remove the volute from the lower airpath Remove the backing from each self adhesive foam pad and apply four foam pads to the volute When complete the volute should have one foam pad on each of the four sides as shown 66 VPAP III VPAP III ST VPAP III ST A Service Manual Note Ensure that each foam pad overlaps two ribs on both the upper and lower sections of the volute as shown 4 Add the remaining two R300 7017 foam pads to the outside of the top airpath Position them as shown 5 Remove the two existing R300 733 foam pads from the airpath A
21. 1 1 2 for residential commercial and light industry environments Air filter Two layered powder bonded polyester non woven fiber Air tubing Flexible plastic 2 m or 3 m length IEC 60601 1 Classifications Class Il double insulated Type CF Note The manufacturer reserves the right to change these specifications without notice Symbols which may appear on the product N Attention consult accompanying documents D Class Il equipment Drip proof IPX1 C3 Type CF equipment e Start Stop or Mask Fit VPAP III VPAP III ST VPAP III ST A Service Manual VPAP III ST A Dynamic pressure characteristics IPAP 2 cm H20 to 30 cm H20 measured at the end of standard 2 m air tubing EPAP 2 cm H20 to 25 cm H20 measured at the end of standard 2 m air tubing Maximum single fault pressure 40 cm H20 Dynamic flow characteristics 130 L min at 2 to 30 cm H7O Sound pressure level lt 30 dB tested in accordance with the requirements of ISO 175 10 1 2002 Dimensions L x W x H 270 mm x 230 mm x 141 mm Weight 2 3 kg Air outlet 22 mm taper compatible with EN 1281 1 1977 Anaesthetic amp Respiratory Equipment Conical Connectors Pressure measurement Internally mounted pressure transducer Flow measurement Internally mounted flow transducer Power supply Input range 00 240V 2 2A 50 60 Hz DC 24V 2A Housing construction Flame retardant engineering thermoplastic Environmental conditions Operating temperature 5 C
22. 3 General inspection and servicing Gives a procedure to help you examine a flow generator which has been brought into a service centre The general inspection procedures should be performed before any other work is done on the flow generator 4 Static precautions Lists procedures to be followed whenever PCBs are removed from the flow generator unit These procedures minimize the chance of ICs being damaged by static electricity 5 Replacing major subassemblies Highlights points to note when replacing subassemblies reassembling the flow generator and indications of when recalibration is necessary 6 Replacement parts Shows labelled pictures and part numbers of all the spare parts and subassemblies available from ResMed 7 Calibration procedures Lists procedures to follow after a fault has been isolated to a PCB or blower and the part has been replaced Follow these procedures to calibrate the unit and to restore the owner s individual settings 8 Troubleshooting guide Gives you a way to quickly locate the problem and fix it if you know the symptoms of a faulty machine 9 System specifications Lists electrical and mechanical specifications of flow generator and air tubing 10 Recommended maintenance schedule Provides a brief description of the maintenance which the owner of the flow generator should carry out If the owner is performing regular cleaning and maintenance there is no need for regular servicing by a
23. 41 F to 40 C 104 F Operating humidity 10 95 non condensing Storage and transport temperature 20 C 4 F to 60 C 140 F Storage and transport humidity 107 957 non condensing Electromagnetic compatibility Product complies with all applicable electromagnetic compatibility requirements EMC according to IEC60601 1 2 for residential commercial and light industry environments Air filter Two layered powder bonded polyester non woven fiber Air tubing Flexible plastic 2 m or 3 m length IEC 60601 1 Classifications Class Il double insulated Type CF Continuous operation This flow generator is not suitable for use in the presence of a fammable anaesthetic mixture with air or with oxygen or nitrous oxide entrained in the flow generator airpath Note The manufacturere reserves the right to change these specifications without notice Symbols which may appear on the product Attention consult accompanying documents Class Il equipment lt Alarm LEDs Type CF equipment Alarm mute Start Stop QuickView sed Mask Fit AC switch only 9 System specifications 63 10 Recommended maintenance schedule The ResMed VPAP Ill series of flow generators are designed to give years of trouble free operation The filter strip should be replaced at least every six months and regular cleaning recommendations are given in the section Cleaning and maintenance of the User Manual All of these procedures can be carrie
24. III ST A 19307 Bottom case Teijin R241 731 Note For instructions on inserting the serial number when replacing the bottom decal refer to Tech note 106318 Front muffler assembly 19282 Female D9 connector Male D9 connector cover Z9201 D9 cover Z9202 D9 Air filter components These parts are available as accessories Filter cover 30909 Filter 1 pk 30919 Filter 2 pk 30920 Filter 3 pk 30907 Filter 11 pk 30921 Filter 50 pk 30908 6 Replacement parts list 51 52 Interface assembly VPAP III VPAP III ST Interface panel VPAP III Germany R241 701 Interface panel VPAP III ST Germany R241 702 Interface panel VPAP III R241 703 Interface panel VPAP III ST R241 704 LCD module 19277 Keypad R300 716 VPAP III ST A Interface panel R241 726 A Interface panel Germany R241 726 B Interface panel Teijin R241 726 C QuickView Mask fit LCD module 19301 Keypad R241 724 LCD module Teijin 19302 VPAP III VPAP III ST VPAP III ST A Service Manual Internal components Blower VPAP III III ST 19272 Blower VPAP III ST A 19303 VPAP III ST A pictured Blower outlet connector R300 7108 Clipped upper airpath R300 7032 Blower inlet Clipped lower connector airpath R300 7033 R300 7056 Motor retaining flange R241 706 Vibration mount R3800 736 Motor mounting R241 705 PCBs Main PCB VPAP III 19273 Main PCB VPAP III ST 19274 5 Bey De 4 B
25. ResMed for further servicing 7 Calibration procedures 59 8 Troubleshooting guide Flow generator not operating at e Blown fuse in power supply e Replace and investigate cause all no display when power switch of the blown fuse turned on Faulty Main PCB Replace Main PCB Faulty power supply e Replace Power Supply PCB No display on LCD air flow starts e Faulty LCD e Replace LCD module when front key is pressed e Flexible cable not connected e Check flexible cable properly connections Buttons not working or e Pills on the back of the keypad e Replace keypad or LCD intermittent or LCD have been damaged LCD displays black squares e Faulty LCD e Replace LCD module e Flexible cable note connected e Check flexible cable properly connections e Faulty Main PCB e Replace Main PCB Unit is noisy e Old style blower module e Upgrade blower by following procedures outlined in Appendix B Noise reduction e Faulty motor upgrade on page 66 e Replace motor Welcome displayed but self test Software failure e Reset by turning power off wait fails 10 seconds and turn on again Replace Main PCB if problem persists SmartStart can t be enabled e Full face mask is selected or e Check settings and change as Mask Alarm is enabled required SmartStart can t be enabled or e Faulty Main PCB e Replace Main PCB disabled Poor or insufficient air flow e Air tubing not connected e Check and refit tubing as properly required
26. age label MAINS VOLTAGES 100 240V 50 60Hz 2A VPAP III ST A Place the mains voltage sticker R300 303 on the outside of the bottom case below the gaps for the humidifier connector ACAUTION Bam Mains voltage sticker MAINS VOLTAGES 100 240V 50 60Hz 2A 40 VPAP III VPAP III ST VPAP III ST A Service Manual 2 Take the AC switch label R241 406 and place it on the outside of the bottom case next to the AC switch as shown below Note The AC switch label is not required for Teijin VPAP III ST A units AC switch label Replacing interface assembly components Turn the interface assembly upside down and release the clips holding in the LCD module Clips Take care not to touch the gold contacts on the back of the LCD module VPAP III LCD pictured 5 Replacing major subassemblies 41 2 Remove the LCD module keypad taking care not to touch the pills on the keypad VPAP III keypad pictured 3 Insert the keypad into the interface panel once again taking care not to touch the pills on the keypad 4 Fit the LCD module to the interface panel by engaging the clips on the right and left of the interface panel If this is a new LCD module remove the protective backing from the LCD module window taking care not to touch the gold contacts Closing the flow generator Take the flexible connector and carefully feed it through the top case 2 Turn the unit upside down and fix the
27. ar aperture e For all other units press on the four clips indicated to remove the switch from the bottom case VPAP III II ST VPAP III ST A 4 Remove the cable harness from the bottom case 5 Feed the new cable harness through the rear aperture 5 Replacing major subassemblies 35 6 Push the switch into place with the pins located under the rocker switch Ensure the switch clicks securely into place Switch VPAP III III ST Switch VPAP III ST A 7 Take the humidifier connector and slide it into the housing ensuring it clicks into place 8 Locate the wires in the route shown below Route cable behind second clip Route cable under clip Caution Wires must not overlap or cross over ribs Blue wire Slot brown must be wire between on top posts on either side of fuse casing VPAP IlI ST A Slot both ee Slot both wires wires a between posts between N posts KRU 9 Refit the PCB insulator 10 Replace the Main PCB and blower 36 VPAP III VPAP III ST VPAP III ST A Service Manual Replacing the switch for VPAP III and VPAP III ST models only With the cable harness removed from the bottom case remove the cable tie from around the recepticals For older version cable harnesses remove the cable ties indicated below Remove cable ties 2 Disconnect the cable harness wires from the switch 3 Take the new switch and connect the long wires from the cabl
28. ble conducting material connected via a MQ resistor to an electrical ground The area under and also in front of the work bench must be coated with a suitable conductive floor paint or alternatively covered with a conductive floor mat The conductive paint coating or floor mat must be connected to an electrical ground Soldering irons or solder baths must be at the same reference ground potential as the work bench A wrist strap must be worn by service personnel working at the bench The wrist strap must have a conductive lead MQ connected to the bench surface Alternatively a heel grounding strap to ground the operator to the floor may be used Such a wrist or heel strap should not create an electrical hazard for the wearer Handling of ICs should be kept to a minimum If handling is required avoid directly touching the leads The recommended procedure is to first touch the container in which the ICs are stored or the PCB in which they are mounted before touching the ICs Service personnel should take every precaution that the items will see the same reference potential when moved All ICs and PCB assemblies containing ICs should be stored in antistatic bags until use Service personnel should wear clothing which minimizes the build up of static charges Cotton is preferable to wool or synthetic fibres Service personnel should avoid electrostatic build up through the movement of air over plastic material Plastic materials
29. cssssetessentectarssacssetvaseueceussasaomiweiiens Outside cases Air filter components Interface assembly Internal components PCBs Main wiring harnesses HumidAire 2i spare parts 7 Calibration procedures ssccscscccscsscesscsossscsessscsseesseees Warnings and cautions Equipment required Software calibration buttons Order of calibration procedures 1 Pressure calibration 2 Flow calibration 3 Motor noise calibration VPAP III ST A only 8 Troubleshooting guide ee 9 System specifications cccsesscccscssrccsscsescsscssscscsesscssesesenses VPAP Ill VPAP III ST VPAP III ST A 10 Recommended maintenance schedule Appendix A Service request form seen Appendix B Noise reduction Upgrade see Equipment required Adding foam pads to the blower assembly Fit cable tie and replace blower outlet connector Appendix C Installing the service software 30 31 34 34 37 40 41 42 44 46 46 47 47 48 51 51 52 53 53 54 55 56 56 56 57 57 58 59 Contents 3 4 How to use this manual Each of the sections in this manual has been written with a specific purpose in mind Use this guide to help you find the material which is relevant to your task at the moment 2 Introduction Gives a brief overview of the VPAP III family of flow generators
30. d out by the owner so no regular servicing by a service agent is required The HumidAire 2i should be regularly cleaned according to the recommendations in the section Cleaning and maintenance of the User Manual Some countries require all medical equipment to have a periodic service to confirm that the equipment is in good working order Section 3 General inspection and servicing may be used in this situation 64 VPAP III VPAP III ST VPAP III ST A Service Manual Appendix A Service request form ResMed Service Request Form Distributor details Reported by Contact details Email or phone o Problem details Product details Product code Mask type Product name Pressure settings peta Serial Lot number Hourmeter reading SmartStart Yes No Problem description Date problem occurred Date of purchase Or If the purchase date is unknown please indicate below the time the product was used before the problem occurred lt 3 months E 3 6 months 6 12 months E 1 2 years 2 5 years i gt 5 years When did the fault occur Not being used During use Start up Hi Unknown E Is this device being returned to ResMed Yes H No zg Service details ResMed reference number Distributor reference number if applicable Today s date AUF 19019 01 3 Appendix A Service request form 65 Appendix B Noise reduction upgrade To reduce the noise level of a VPAP III or VPAP III ST unit
31. e and click on the Setup exe file Press the OK button in the Run dialog box Follow the prompts on screen Oo om KR W You will then be prompted to restart the computer in order to complete the installation Press the OK button to finish the installation 70 VPAP III VPAP III ST VPAP III ST A Service Manual
32. e calibration Open the service software 2 Press the Record button and select the file which contains the flow generator s settings ResMed AutoSet Spirit Service Software Xx Settings Calibration Performance Tests Session Forms Options Help dq LAA 2 IV P MS Record button Setup Instructions Setup Flow Generator Plug the security device into a parallel portin the computer Connect the flow generator to a serial port in the computer using the ResMed null modem cable provided Turn on the flow generator Then choose an action from the menu Information and Control Panel 3 Select Calibration gt Pressure calibration or press the Pressure calibration button at the top of the main window 7 Calibration procedures 57 4 Follow the prompts on the screen Once the calibration is complete the following screen will appear Pressure calibration summary x Pressure calibration Y The pressure calibration has been completed successfully Please record the pressure calibration results shown below Press OF to continue Pressure calibration results Pressure reading 16 cm H20 Pressure offset low 1556 Pressure offset high 1556 Pressure gain low 4866 Pressure gain high 4566 2 Flow calibration Caution The pressure calibration must be performed before the flow calibration Select Calibration gt Flow calibration or press the Flow calibration button at the top of the main
33. e harness Connect the brown wires to terminal 2 and the blue wires to terminal as shown over page Terminal 2 Terminal 2a Terminalia Terminal 1 Terminal L aie IN Active Neutral Switch front Switch back 5 Replacing major subassemblies 37 4 Feed the short blue wire in the gap between the brown and blue wires running to the AC connector as shown below Short blue wire 5 Connect the short blue wire to terminals la and N Short blue wire connected to terminal Ia and N 38 VPAP III VPAP III ST VPAP III ST A Service Manual 6 Connect the short brown wire to terminals 2a and L Short brown wire connected to terminals 2a and N 7 Take a 100 mm cable tie and fasten it around the receptacles on terminals la 2 and 2a The cable tie must be approximately half way down the recepticals Position of cable tie knot 9 Reinstall the main wiring harness with switch into the bottom case 5 Replacing major subassemblies 39 Placing decals on replacement bottom cases When replacing the bottom case for the VPAP III family of products the necessary warning decals need to be installed on the replacement cases VPAP III VPAP III ST Take the replacement fuse label R300 305 and stick it inside the bottom case as shown below Replacement fuse label 2 Place the mains voltage label R300 303 on the outside of the bottom case below the gaps for the humidifier connector A CAUTION ha Mains volt
34. emaining tests Close the Record of Service window 2 Press the Record button and select the file which contains the flow generator settings 3 Select Performance Tests gt Pressure calibration test from the main window or press the Perform the pressure calibration test button 4 Set up the test equipment as instructed by the software 5 Select Next and follow the steps as instructed If the flow generator fails this test follow the procedures outlined in Section 7 Calibration procedures to do a full recalibration of the flow generator 3 General inspection and servicing 11 12 Flow calibration test Select Performance Tests gt Flow calibration test or press the Perform the flow calibration test button at the top of the main window 2 Set up the test equipment as instructed by the software 3 Select Next and follow the steps as instructed If the flow generator fails this test follow the procedures outlined in Section 7 Calibration procedures to do a full recalibration of the flow generator Blower test The blower test is used to test the performance of the motor and to determine whether there are any impediments in the air path Select Performance Tests gt Blower test or press the Perform the blower test button at the top of the main window 2 Set up the test equipment as instructed by the software 3 Select Next and follow the steps as instructed If the flow generator fails this test check the flow generator ai
35. he filter cartridge from the flow generator 2 Replace the air filter with the blue side of the filter material facing out from the unit 3 Check the appropriate box in the Record of Service window Only use genuine ResMed spare parts because the filter affects the flow characteristics of the flow generator which in turn affects the pressure supplied to the patient Keypad test Switch off the flow generator then switch it back on Wait for the Welcome message to appear and check that the LCD back light and LEDs beneath the keypad are illuminated Note The LCD backlight and LEDs may not be clearly visible in bright light 2 Press the Left key to enter the patient menu Use the up down button to cycle through the menu and the Left and Right keys to set and change options Confirm that all button presses produce the appropriate response 3 Press the start button and confirm that the flow generator starts Press the button again and confirm that the flow generator stops 4 Record the results by checking the appropriate box in the Record of Service window 5 Press the Floppy disk button to save the results If the flow generator fails this test replace the keypad by following the procedures given in Section 5 Replacing major subassemblies Once the keypad has been replaced repeat the keypad test procedure Pressure calibration test Make sure the flow generator has been warmed up for at least 15 minutes before proceeding with the r
36. he flow calibration test O Record QA Perform the blower test LY Function keys VPAP III and VPAP III ST keypad and LCD Left key Up down key VPAP III ST A keypad and LCD LCD screen Quickview Left key Start Stop Start Stop Up down key VPAP III VPAP III ST VPAP III ST A Service Manual ps LCD Screen Right key Keypad Front key LEDs Right key Alarm mute 1 Clean the flow generator Before servicing the unit it should be wiped down using a lint free cloth and a cleaning agent with a high alcohol content for example isopropyl alcohol Caution l When using a cleaning agent with a high alcohol content refer to the appropriate Material Safety Data Sheet to ensure safe handling of the cleaning agent Remove any stains from the cases When removing any stains from the flow generator or mask system use soap or detergent based cleaning solutions Remove excess and wipe dry after use Do not use thinners trichlorethylene bleach or other solvents Do not apply oil to any component of the flow generator 2 Record clinical settings Open AutoSet Spirit Service Software 2 1 ResMed AutoSet Spint Service Software Settings Calibration Performance Tests Session Forms Options Help IHAL INWIS Aval Setup Instructions Main window in service software Setup Flow Generator Plug the security device into a parallel portin the computer Connect the flow generat
37. in this manual Use only approved ResMed parts and never use parts that have failed show excessive wear have been contaminated or are ineffective for their intended use Note Schematics of all PCBs in this flow generator are available to authorised service centres To order please contact your local ResMed office Nasal CPAP Nasal Positive Airway Pressure systems are used to treat obstructive sleep apnea a disorder that causes a physical obstruction in a person s airway while sleeping The principle of treatment is that filtered air is delivered by a flow generator through flexible tubing to a nasal mask worn by the patient while sleeping The flow generator maintains a positive pressure in the patient s airway which acts as a pneumatic splint preventing the airway from collapsing during sleep Features of the VPAP III VPAP III ST The VPAP IIl system provides continuous positive airway pressure CPAP and bi level therapy to patients with obstructive sleep apnea OSA The device delivers a treatment pressure with a maximum range of 2 to 25 cm H20 depending on the unit s configuration The data storage and processing capabilities of the VPAP system facilitate patient management The system provides summary data for a variety of time intervals which can be viewed via the LCD menus The patient s usage hours mask leak tidal volume respiratory rate minute ventilation apnoea hypopnoea index AHI and apnoea index Al are di
38. ing any irregularities e all mechanical components are seated correctly e all electrical components are mounted correctly and secured in position e there are no loose terminals loose wires or incomplete insulation on electrical components or connections there are no loose pieces of wire or other objects trapped in the PCB Use an antistatic cloth or brush to remove dust or dirt from components and from the insides of the flow generator case Repair or replace any missing or damaged external components Rectify any problems either identified by the user or noted during servicing Should any major components such as the blower assembly or the Main PCB require replacement the recalibration procedure as given in Section 7 Calibration procedures must be performed before the unit is returned to the patient Reassemble the flow generator Record the results by checking the appropriate box in the Record of Service window Printed circuit boards can be damaged by static electricity Please read the instructions in Section 4 Static Precautions before attempting to replace any PCBs Thread cutting screws are used to fasten the cases of the flow generator When replacing a thread cutting screw turn the screw anti clockwise until it fits into the previously cut thread Otherwise the original thread may be stripped out VPAP III VPAP III ST VPAP III ST A Service Manual Caution I Caution 5 7 Replace the air filter Remove t
39. lace the converter on a level surface with the ResMed logo facing upwards Plug the flat connector end of the DC 24 30 converter into the DC input socket Mm A Ww N Connect the DC 24 30 converter to a DC power source 12V battery or bench top power supply capable of supplying 3 amps or more On Turn on the unit at the DC connector and confirm that the unit powers up 7 Turn off the unit and reconnect it to mains power HumidAire 2i test The VPAP III VPAP III ST and VPAP III ST A is designed to integrate with the ResMed HumidAire 2i heated humidifier The units automatically detect the HumidAire 2i docking station when it is connected to the flow generator The HumidAire 2i heating plate may reach temperatures in excess of 60 C Switch off the flow generator 2 Remove the VPAP Ill front cover by referring to the instructions given in Section 5 Replacing major subassemblies 3 Plug the HumidAire 2i docking station without the water chamber into the front of the flow generator as shown in the picture below Note The docking station may not attach correctly to the flow generator if docking is attempted with the water chamber installed 4 Switch the flow generator on and observe the LCD screen After a welcome message is displayed the LCD screen should display the warm up feature prompt 3 General inspection and servicing 13 Note The VPAP Ill ST A will display the standard patient menu or advanced patient menu series
40. n vented mask vented mask for at least 30 alarm if oxygen is being seconds entrained into patient circuit 8 Troubleshooting guide 61 62 System specifications VPAP III VPAP III ST Dynamic pressure characteristics IPAP 2 cm H20 to 25 cm H20 measured at the end of standard 2 m air tubing EPAP 2 cm H20 to 25 cm H20 measured at the end of standard 2 m air tubing Maximum single fault pressure 40 cm H7O Dynamic flow characteristics 130 L min at 2 to 20 cm H7O Sound pressure level lt 30 dB tested in accordance with the requirements of ISO 175 10 1 2002 Dimensions L x W x H 270 mm x 230 mm x 141 mm Weight 2 3 kg Air outlet 22 mm taper compatible with EN 1281 1 1977 Anaesthetic amp Respiratory Equipment Conical Connectors Pressure measurement Internally mounted pressure transducer Flow measurement Internally mounted flow transducer Power supply Input range 00 240V 50 60 Hz 40VA typical power consumption S100VA maximum power consumption Housing construction Flame retardant engineering thermoplastic Environmental conditions Operating temperature 5 C 41 F to 40 C 104 F Operating humidity 1076 9576 non condensing Storage and transport temperature 20 C 4 F to 60 C 140 F Storage and transport humidity 1076 9576 non condensing Electromagnetic compatibility Product complies with all applicable electromagnetic compatibility requirements EMC according to IEC6060
41. ngs can not be recorded press the Default button and save the file with the default settings for the faulty unit Notify the patient that the unit has been reset to default settings Warning 3 General inspection and servicing 9 Caution Caution 10 4 External examination Visually examine the flow generator for external damage such as e deformation or cracking of the upper or lower cases e damaged components such as the mains power inlet or mains power switch e damage to the front panel decal or bottom decal If either of the outside cases are fractured and require replacement take particular care in inspecting all other components within the cases for damage 2 Press the Service record results button 3 Open the file saved earlier containing the unit s clinical settings 4 Check the appropriate box for the external examination Internal examination if necessary The VPAP III uses an isolated power supply however it is recommended that isolation transformers are also used for added safety while working with the cases opened up and power switched on Remove the front cover interface assembly and the top case of the flow generator by following the instructions given in Section 5 Replacing major subassemblies Inspect the flow generator for the following recording any irregularities e The blower assembly is seated correctly e The Power Supply PCB is seated correctly Inspect the unit for the following record
42. or to a serial port in the Null modem cable computer using the ResMed null modem cable Rear of Bow generator provided Turn on the flow generator Then choose an action from the menu Information and Control Panel 2 Select Settings gt Flow generator settings from the main window or press the Open flow generator settings dialog button at the top of the main window 3 The following screen will appear with the flow generator settings VPAP Ill Flow Generator Settings A x File Flow Generator C CPAP Sport WPAP III STA Only Pressure Settings M Product Information Accessories amp Features IPAP Pressure Product Code Language C Spont Timed C Timed VPAP IHAIN STII STA Clinical Options Respratory Rate N2 apm 4 0 cm H20 fem Eh z IPAP Max 30 Seconds IPAP Min jo Seconds Rise Time po tm Smart Data P Auto Appear Read EPAP Pressure 20 0 cm H20 Start Pressure 5 cmH20 Max Ramp Time 30 Minutes Ramp Time fio z Minutes Set Serial Number 2001 0199000 Software Version Bootloader Version 5387 0100 Default Mask Type Mirage 7 Tube Length 2 meters X Hurnidiier HumidAxe 2i X Menu Type fs tandard X I SmartStart Mask Alam Close Uploading settings 4 Select File gt Save screen settings to file or select the floppy disk icon and save the settings under the unit s serial number If the clinical setti
43. ppendix B Noise reduction upgrade 67 6 Add three R300 733 foam pads to the inside of the lower airpath Position them as shown Fit cable tie and replace blower outlet connector With the blower removed position a 100 mm cable tie under the top set of terminals on the power switch as shown below 68 VPAP III VPAP III ST VPAP III ST A Service Manual 3 When complete the protruding wires from the switch should be no more than 40 mm from the inside of the flow generator case Xi UH Het Ma ii E ma 4 4 Replace the blower outlet connector following the instructions outlined in Section 5 Replacing major subassemblies 5 Reassemble test and calibrate the flow generator Appendix B Noise reduction upgrade 69 Appendix C Installing the service software The Spirit 2 1 Service Software is available by itself 30967 and in a kit 30966 which includes e Null modem cable e Closed bubble cushion e Oxygen sideport connector Standard mask frame Security key The software should be installed on a computer running Windows NT 2000 or XP The minimum requirement is a Pentium II with 64 MB RAM The install file will open automatically after the CD is inserted If the install file does not open follow the instructions below Installing the software Insert the CD into the CD drive 2 Inthe Start menu select Run T p T vie un ee ee ee 2 T az Browse to locate the CD driv
44. pports in the water chamber base Cross member 3 The O ring can be removed from the tub heater plate When placing in the new O ring make sure it is fitted snugly inside the channel of the heater plate Caution Ensure the replacement O ring is not punctured or nicked 48 VPAP III VPAP III ST VPAP III ST A Service Manual 4 Turn the water chamber base upside down and insert the heater plate with the open side facing down 5 Firmly press the plate into the chamber 6 Turn the water chamber base right side up and place the cross member on its supports inside the chamber 7 Take the seal removed from the water chamber lid and fit it firmly onto the rim of the water chamber base 8 Fitthe water chamber lid on top of the water chamber base and ensure the assembly is sealed 9 Lock the clips on the side of the water chamber 5 Replacing major subassemblies 49 The latch Turn the water chamber base upside down 2 Gently pull up and away from the chamber until separated from the base Ensure the tab latch clicks securely into both slots 50 VPAP III VPAP III ST VPAP III ST A Service Manual 6 Replacement parts list Outside cases Top case VPAP Ill II ST 19201 Top case VPAP III ST A 19310 Also available Handle R300 794 Bottom case 19199 base pad and base decal not included Base pad and base decal kit VPAP Ill HI ST 19276 Base pad and base decal kit VPAP
45. rated flow meter with flow regulation valve Note The flow meter must be capable of measuring air flows ranging from 0 to 150 L min with an accuracy of 3 or better over this range e 2 metre air hose e A computer running Windows NT 4 0 2000 or XP e Note There is only partial support for the VPAP III ST A on a computer running Window NT 4 0 Some command settings will not be available Software calibration buttons I Pressure calibration AW Flow calibration gt Motor noise calibration 56 VPAP III VPAP III ST VPAP III ST A Service Manual Cautions l Order of calibration procedures The calibration procedures must be performed in the following order Pressure calibration 2 Flow calibration 3 Motor noise calibration VPAP III ST A only The flow generator clinical settings must be recorded before any calibration procedure is performed Refer to the instructions provided in Section 3 General inspection and servicing If the clinical settings can not be recorded reset the unit to the factory default settings via the Flow generator settings window in the service software The unit can also be reset to factory default settings via the clinical menu Once the default settings have been reloaded notify the patient Warm up the flow generator for at least 15 minutes before commencing the calibration procedures When performing any calibration ensure the humidifier setting in the Settings menu is set to none Pressur
46. rew driver under one of the front lock tabs and lift carefully while releasing the lock tab Location of lock tabs 5 Replacing major subassemblies 31 5 Release the other front lock tab 6 Continue to lift the PCB while progressively releasing the remaining lock tabs 7 Take out the PCB and remove the serial connector seal Note Not all units will contain the serial connector seal Connector seal R300 7109 can be installed in those units that do not currently have a seal 8 Very carefully release the locking device on each side of the flexible cable using a small screw driver and pull out the cable Serial connector seal 10 Install flexible cable in the locking device then carefully close both sides of the locking device at the same time Fold the flexible cable as shown below Fold cable 32 VPAP III VPAP III ST VPAP III ST A Service Manual 12 Place the Main PCB in the bottom case positioning it so that the two D connectors align with the corresponding openings in the bottom case The locating pin goes through the hole as shown below Locating pin 13 Gently press down the edges of the PCB progressively from the back working your way to the front of the PCB until all the lock tabs have clicked into place 14 Fit the screw to hold the PCB in place This is a thread cutting screw When replacing a thread cutting screw turn the screw anti clockwise until it fits into the previously cut thread o
47. rpath is clear and ensure the test set up is correct If the unit continues to fail replace the blower then follow the procedures outlined in Section 7 Calibration procedures to do a full recalibration of the flow generator 10 Audible alarm test Select Performance Tests gt Audible alarm test or press the Perform the audible alarm test button at the top of the main window 2 The following window will appear Audible Alarm Test E xj Select the On button to sound the audible alarm Select the O button to silence the audible alarm To record a result and close the form press either the Pass or Fail button To quit without recording a result press Escape Pass Fail 3 Follow the instructions on screen Once complete press the Pass or Fail button to close the window If the flow generator fails this test the buzzer on the Main PCB will need to be replaced After replacing the buzzer repeat the Pressure calibration test Flow calibration test and Audible alarm test from the general inspection procedures 11 VPAP III ST A alarm test VPAP III ST A only Hold down the alarm mute key for 3 seconds 2 Once the key is released the alarm should sound and the LED should flash for 10 seconds VPAP III VPAP III ST VPAP III ST A Service Manual 12 DC power test VPAP III ST A only 13 Warning Turn off the flow generator at the mains Take the DC 24 30 converter and adjust the voltage to 24V P
48. settings window 15 Complete the Service record results form 2 Press the Service record results form button and open the file with the unit s settings Press the Service details tab e Check the Reload clinical settings box at the base of the window e Check the Clean flow generator box to indicate if the unit was cleaned according to the procedures outlined in step Clean the flow generator e Check the appropriate HumidAire 2i test box e Check the appropriate DC power test box e Check the appropriate VPAP III ST A alarm test box Record Of Service x File OEE Service Details Serial Number Reference Number Date of Service Model Name of Service Agent 200401 05898 5 R850012 fi 6Jun 2004 VPAP lll STA hd E abriel Yan Helsing Settings Service Details Record Servicing Information Keypad Test Run Time Software Version Bootloader Version Backlight Pass IT Fail Repaired Pass 2358 Hts sx384 0200 sx387 0101 Function IW Pass Fail Repaired Pass m Examination Replace Air Filter External V Pass Fail Repaied Pass V Completed Interna V N24 Pass f Fail f Repaired Pass m Pressure Calibration Test 0 0 3cmH20 Pass f Fal V Repaired Pass 4 05cmH20 Pass Fail Repaired Pass 12 0 5cmH20 f Pass f Fail f Repaied Pass 20 05cmH20 Pass Fail Repaired Pass Flow Calibration Test Blower test D 12 L min M
49. sign registrations AU 147283 AU 147335 AU 147336 CH 128 709 CH 128 710 CH 128 711 CH 128 712 DE 40201723 DE 40202007 DE 40202008 DE 40202020 ES 153514 ES 153515 ES 153516 ES 153518 ES 156135 ES 156136 FR 02 1407 GB 3001791 GB 3001819 GB 3001820 GB 3001821 JP 1164087 JP 1164265 JP 1164266 JP I 164267 JP 3638613 SE 75598 SE 75599 SE 75600 SE 75715 US D467335 US D46801 1 US D476077 US D477868 US D487311 Other designs pending IPAP MAX IPAP MIN SmartStart TICONTROL VPAP Vsync and Vsync logo are trademarks of ResMed Ltd and IPAP MAX SmartStart and VPAP are Registered in U S Patent and Trademark Office 2005 ResMed Ltd 248 106 3 05 04 Contents 1 How to USE this manual se aa er nn aaa aaa esa aaaaan 2 ed A AAA A AAA AAA Intended users of this manual 5 Nasal CPAP 5 Features of the VPAP Ill VPAP III ST 5 Features of the VPAP III ST A 9 HumidAire 2i 5 ResLink 5 Software changes 6 VPAP III VPAP III ST 6 VPAP III ST A 6 3 General inspection and servicing esen 7 Instructions for general inspection procedures T Equipment required 7 For VPAP III ST A only 7 Software buttons 8 Function keys 8 VPAP III and VPAP III ST keypad and LCD 8 VPAP III ST A keypad and LCD 8 1 Clean the flow generator 9 2 Record clinical settings 9 3 External examination 10 4 Internal examination if necessary 10 5 Replace the air filter 11 6 Keypad test 11 7 Pressure calibration test
50. splayed in the Results section of the Clinical menu Features of the VPAP III ST A The VPAP III ST A provides bi level therapy It combines the features of the VPAP Ill series along with adjustable trigger and cycle thresholds and a range of clinician and patient alarms The device delivers a treatment pressure with a maximum range of 2 to 30 cm H20 depending on the unit s configuration HumidaAire 21 The HumidAire 2i is designed to integrate with the VPAP IIl system to form a single heated humidification and VPAP unit ResLink The ResLink clinical therapy management module is designed to integrate with the VPAP III system It provides greater insights into therapy and visible objective evidence that the device is delivering effective ventilation during sleep 2 Introduction 5 Software changes ResMed continually develops and improves its products The VPAP III VPAP III ST and VPAP III ST A have undergone a number of software changes as outlined below VPAP III VPAP III ST Significant features SX365 0109 e Maintenance update e Update to shipper states e First VPAP III ST release SX365 0200 e Number of used hours displayed extended to 8760 VPAP III ST A SX384 0203 e Number of used hours displayed extended to 8760 6 VPAP III VPAP III ST VPAP III ST A Service Manual General inspection and servicing Instructions for general inspection procedures Carry out the procedures on the following pages
51. ssure delivered e Replace Main PCB PRESSURE ERROR displayed above 40 cm H20 VPAP III ST A only Message e VPAP III ST A is operating e IPAP is automatically reduced IPAP LOWER ALARM outside device specifications until the operation is back displayed based on pressure support within specifications If breath and breath rate rate decreases IPAP will return to its previous value VPAP III ST A only Message e Device motor speed pressure Replace Main PCB SENSOR ERROR displayed and flow sensors out of range Replace blower assembly VPAP IlI ST A only Message e High mask leak greater than e Check and refit tubing as HIGH LEAK displayed 40 L min for more than 20 required seconds e Check mask fit VPAP Ill ST A only Message e Air pressure at mask has fallen Check and refit tubing as LOW PRES ALARM displayed below set level required e Mask is removed and e Turn flow generator off and on SmartStop has been disabled again at the power switch e Replace Main PCB e Replace blower assembly VPAP III ST A only Message e Mask pressure exceeds the e Reduce CPAP or IPAP setting HIGH PRES ALARM displayed alarm setting for more than 700 milliseconds VPAP Ill ST A only Message e Measured level drops below e Consult clinician LOW MV ALARM displayed set limit for 30 seconds VPAP Ill ST A only Message e Mask leak is lt 10 L min e Use vented mask NVENT ALARM displayed indicating connection of non e Disable no
52. therwise the original thread may be AN stripped out Caution I5 Loop the humidifier cable as shown below and reconnect it 16 Refit the blower assembly following the instructions outlined in Replacing the blower module assembly on page 21 17 Once the Main PCB has been replaced reinstall the flow generator s settings by following the instructions Reload clinical settings on page 15 5 Replacing major subassemblies 33 Warning Note After loading the clinical settings and options ensure the time and date settings are correct for your region Select Settings gt Set tme and date to view and modify these settings as required Installing the serial number and default settings If the Main PCB has been replaced and the original settings could not be downloaded from the flow generator the default settings and serial number for the unit will need to be installed With AutoSet Spirit Service Software 2 1 open select Settings gt Flow generator settings from the main window or press the Flow generator settings dialog button at the top of the main window 2 The following screen will appear VPAP III Flow Generator Settings Ed File Flow Generator Product Information Product Code feat 06 7 C CPAP C Spont Spont Timed C Timed Pressure Settings IPAP Pressure f cm H20 EPAF Pressure fe 4 cm H20 Start EPAP Pressure 4 S emiza Max Ramp Time js Minutes Ramp Time i 0 Minutes
53. top case to the bottom case with the Phillips head screws Screw in the rear screws first Caution Thread cutting screws are used in the flow generator When replacing a thread cutting screw turn the screw anti clockwise until it fits into the previously cut thread otherwise the l original thread may be stripped out 42 VPAP III VPAP IlI ST VPAP III ST A Service Manual 3 Turn the unit right side up and refit the filter with the blue side of the filter material facing out from the flow generator 4 Take the interface assembly and turn it upside down so that the LCD module is facing upwards 5 Insert the flexible connector into the locking device 6 Carefully close both sides of the locking device at the same time 7 Fold the cable as shown below according to the make of flow generator VPAP III VPAP III ST VPAP III ST A 5 Replacing major subassemblies 43 Note Ensure the flexible cable is not pinched between the top case and interface panel 8 Fit the interface panel Ensure that all four clips in the interface panel are clipped properly For VPAP III ST A units push down on the points indicated below These points are above the retaining clips located on the underside of the interface panel 9 Refit the front muffler assembly ensuring the snap lock on the base engages Replacing front muffler components Take the front muffler and remove the four screws which hold the chassis to the front cowl
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