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AVEA Ventilator Systems
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1. 8 7 6 5 REVISION HISTORY Rev econo _________ CRAFTING approved DATE 12V a 12 vecs gt vees PRODUCTION RELEASE PER ECO 2 3 gt SIGNAL ie EUM 4 Mony 0 1uF 8 7 gt 8 gt EPM2502 CS 9 Le FAWPURGE m 2 R 2 PauxPURGE SV gt _ 1 vecs Heater gt SV D e Esolso 5 gt EsoFILL sv S EsPICLK DW ESPICLK EMOSI EMOSI lt _ lt ESO pIScON P wYE2502_cS DEN 1 104089 2 gt e 7AHCIA vecs _ vecs gt gt SPICLK Ei 70555 0004 fa 4 C5 11 us 9 ime TARCSSAD ESPICLK Ri utp EMOSI EMOSI vecs 74HC14 4 5 H SER QA 5 SPCK it bercik 7 lt PRCLK or c ase 8S 5 E y4 p pa 1 vs pat o ET EE 9 qme up SN7AHCISED P gt A PN 7405540 g UA 1 x 27 uss 15 330pF B USC B ei IT pe gt Eua SN74HC126D Ld i vecs eoc H SN74HC 125D ESO_PRESS Aine AWFLOW PRESS ANI veb TRACH DISCO Paux 104069 4 ESO DISCON THERM CURRENT AINS vec APPROVED VREF IDENTIEYING NO OR DESCRIP
2. 1 163 Replacing the Compressor Inlet and Outlet filters 165 Replacing the Exhalation Diaphragm P N 16240 166 Replacing the Sensor i enne tnter nnt rn rre e eR REL EX HE E EE XI Pa RE Ln EE En Her 169 9 Troubleshooting 171 l ist f Possible ErroriCodes ini eee mete noe tenes 173 Avea Mechanical Troubleshooting 175 Chapter 10 Parts Rt E a D ERG kel d b D OI s n ta rea Pere Ea ie 185 Chapter 1 Appendices seni emere en tege Crete 191 Contact and Ordering Information eene nnne 191 Diagrams and SCheMatiCs d 192 Specifications Dt 243 Avea Message Bar Text stessa entren t e a ui n een e Fb n e kan 252 Adjusting Barometric Pressure for Altitude 253 Monitor Ranges and Accuracies nnns 255 5 ee Pa dt bv 259 Sensor Specifications and Circuit Resistance er i eee 263 Hot Wire Flow Sensor
3. 882582838582 NOTE U301 amp U303 power pins are connected to 5V BC amp GND L1524 Rev D 214 Avea ventilator system L1524 Rev D 8 exeun lt Fev 99 17 rov ovnonr Chon Note OVRI_RST signal to be held low during start up After start up OVRI RST will change to high and Stay high until a RESET condition will arise The RESET will be done in diagnostics by aserting OVRI_RST low O 4 NOTE 0403 power pins are connected to 5V 2 5A amp GND Chapter 11 Appendices 215 Avea ventilator system Chapter 11 Appendices FROM THE TCA BOARD FROM MATE BOARD L1524 Rev D 216 Avea ventilator system Chapter 11 Appendices gt L1524 Rev D 217 Avea ventilator system RO 5 one aa 9 T MAKES A wUONLBAT 0 E rena 100K MAXAQgCSA L1524 Rev D AVINT_BAT Chapter 11 Appendices 218 Avea ventilator system L1524 Rev D EXT YEL SINUM SINK CAT_PWR_ON YEL RED GN INTSAT VE GNTLINTBAT EXTBAT INTBAT Chapter 11 Appendices 219 Avea ventilator system Chapter 11 Appendices PCB
4. 85 Chapter 5 Operational Verification Procedure OVP h e eene nennen nnn nnn 91 User Verification Tests uisi Lo al lana ye dct nord ace v ee tb D e E CR v re S n EE Ln s 91 D 92 User Interface Module Verification seem nennen nnn 102 Compressor Check us eia eT E Qe m m RAE AV irr 104 Power Indicators and Charging Verification eem 105 viii L1524 Rev D Avea ventilator system Service Manual Battery Run Procedure ride te mh K d xweki ee 106 Battery Performance Verification k klkllllll aaay yekayek enne enn 106 Air Oxygen Inlet Pressure Verification 2 eee 107 Breath ro Or S emp de e oca e e DR BR O 108 Blending Accuracy a kan a dell k bb Yak y enne nnn nennen nnns 108 PEEP V rifiCatiOD ictor e RR HERRERA Reo du d ARR YR TORRE EE NERA ipa prc 108 Avea Assembly and Operational Verification Test Checklist sse 109 Chapter6 Avea Software Upgrade Mh k kk ayak kaka enne nennen k k ka enn 111 Coldfire Software Upgrade Directions emen 111 ELAN Software Upgrade Instructions emere nnns 115 Software Install Ve
5. Monitor Upgrade utility banner Figure 6 15 The connection is established and ready to transfer the new software avea HyperTerminal rJ x Edi Tonde ol 518 a RUeR Software Upgrade Utility Version 1 0 m IDeunion Nonitor Download Control dc Start 1k Xmodem transfer fron to Control Processor CCCCCCC Cennected 0 06 02 Auto detect 115200 BN 1 590 NUM Come _ Print echo Z Figure 6 16 2 Type DC at the command prompt gt and press ENTER to start the download for the Ventilator Control software 3 From the Transfer menu select Send File 4 Ensure the protocol is set to IK XWODEM L1524 Rev D 121 Chapter 6 Avea Software Upgrade Avea ventilator system 5 Click Browse and navigate to the desktop where you saved the binary files 6 Select the Control file to transfer e g 63568X bin and click Send RUcR Software e need Utility Version 1 0 Download Monito DC Download Cont Start 1k Xmodem tra E Software Upgxa Windows Decktopupgrade 63568X bin Download Monito DC Download Cont 19990 TK Xmodem SN Figure 6 17 The file will begin transferring and should be monitored on the display Figure 6 18 122 L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade A confirmation will be displayed in the terminal window when the file has successfully trans
6. MOUNTING HOLES O EDGE Nigh Speed PLL Low Speed PLL Intermediate PLL 4 75K 18 Low Speed PLL Intermediate PLL 10 0 15 7uR 244 4 755 18 Woter Unless otherwise stated the resistors a 0805 package and 5 Tol Unless otherwise stated the capacitors are 0805 package and 105 Tol L1524 Rev D 209 Avea ventilator system Chapter 11 Appendices 2907 Qa 1 58 12 ELI Bybee 6 7 f n 2907 R26 1 5 14 10 16 C137 Ces p 01uF 0 01u a Tod 64CIWM 18 CAUSED NEADIME Ce BE TANG ACAD GOOMDINAVE BEAD 2 COORDINATE Wo SCAN C B 2 gy DU La hl es 9 IARC374D97 L1524 Rev D 210 Avea ventilator system PCBA Driver Transition THIS DOCUMENT IS THE COPYRIGHTED PROPERTY VIASYS HEALTHCARE CRITICAL DIVISION AND MAY NOT BE REPRODUCED WITHOUT WRITTEN PERMISSION OR USED FOR OTHE THAN VIASYS HEALTHCARE CRITICAL CARE DIVISION AUTHORIZED PURPOSES HARNESS V PS MARNESS PS HARMESS V INTBAT F sED HARNESS V IMTBAT Hun HARNESS V HEATER i HARNESS NEATER 1 HARWESS V INT BAT SENSE PAWN APTANA lt FowWen 5 T gt See gt gt gt Hill HARNE
7. PEEP Positive End Expiratory Pressure PEEP See Positive End Expiratory Pressure PIP Peak Inspiratory Pressure Shows the highest circuit pressure to occur during inspiration as measured at the exhalation valve The display is updated at the end of inspiration PIP is not updated for spontaneous breaths Pplat Plateau Pressure Measured during an Inspiratory Hold maneuver Used to calculate Static Compliance Cst Preset An operator set ventilator parameter PSIG Pounds per square inch gauge 1 PSIG 07bar Sigh Breath A Volume Controlled machine breath having a tidal volume equal to one and a half times 150 of the current tidal volume setting Trigger Value at which the ventilator initiates delivery of a breath as a result of measured patient effort User Verification Tests UVT A group of tests to check ventilator performance prior to connecting the ventilator to a patient WOB Patient Work of Breathing i e a measure of Patient Effort L1524 Rev D 273 Chapter 11 Appendices Avea ventilator system 274 L1524 Rev D Avea ventilator system Index A accumulator 19 83 removing and installing 82 Advanced Pulmonary Mechanics Monitored Parameters 266 air inlet fitting 17 pressure 256 Air Smart connector installation 47 Air Heliox and O2 filters replacing 163 air oxygen inlet pressure verifying 107 Air O2 Regulator Differential Balance calibration 154 alarm vent
8. REV Jeco 0 1 5 FOR REFERENCES SEE SHEET 4 57034 PILOT RELEASE PER CO EFERENCES SEE SHEE 51367 PRODUCT ON RELEASED PER 5 HL er eee 1 B 51524 REVISED PER ECO 57850 REVISED PER ECO COE mid OPTIONAL Automatic Bleed Valve 58231 REVISED PER ECO D From Conpresset REZI EMA NERA aay pq uw Sensor A Orifice Compressor EH Pressute i 1 Relief Volve Accumulator WC id Relief Check Valve Regulator Safety NO 22 4 Mir I Solenoid FI Pressure Cry COM Transducer Temperciure gy AN Check Valve Regulator Inspiratory Fiow Conirol iti Tronsducer 0 PATIENT 02 T LP fessure Em x Transducer 2 1 J BO Gas ALA ressure Sofel 20 80 F516 7 LIN Safety PI Tronsducer 32 ii fe isr Volve piratory Flow gt ej ji Delta P er s ay 1 lock 0 D tepper i M e bet x NEBULJZE gt ae Expiratory i Pressure Trens vcer 33 2 NO Dello P d B J Bleck a t f Hat Wire x 3 DEN H v EL Regulator BOOSTER Eg Wene grew wra ___ met ARE IN INCHES 1 e 215 tin mim mw rris 10 08 01 SURFACES BETTER a SCHEMATIC DIAGRAM D CO
9. gir a PRG 40782 ENHANCED PATIENT MONITORING 51000 40330 EPM TO HOT WIRE TRAN 51000 40773 E FILL M cu Poux Lado CABLE a 000 40780 HOT WIRE TRANSITION PCB 51000 40440 SITION PCS VARFLEX TRANSITION Ji 51000 40430 HOURMETER 51000 40100 00 scat SHEET 2 2 Chapter 11 Appendices 242 Avea ventilator system Service Manual Specifications Pneumatic Supply Air or Heliox Supply Pressure Range Temperature Humidity Minimum Flow Inlet Fitting 20 to 80 psig Supply Air 20 to 80 psig Supply Heliox 3to 10 psig Compressor Air 10 to 62 C 50 to 143 6 F Dew Point of gas should be 1 7 C 3 F below the ambient temperature minimum 80 L MIN at 20 psig CGA DISS type body No 1160 Air CGA DISS type body No 1180 Heliox The 1180 fitting is available from most medical specialty gas suppliers One such company is Superior Products in Cleveland Ohio 216 651 9400 P N MA692 Oxygen Supply Pressure Range Temperature Humidity Minimum Flow 20 to 80 psig Supply Oxygen 10 to 40 C 50 to 10492 Dew Point of gas should be 1 7 3 F below the ambient temperature minimum 80 L MIN at 20 psig Inlet Fitting CGA DISS type body No 1240 Electrical Supply AC Power Supply The ventilator operates within specification when connected to the following AC power supplies Nom
10. EXHALATION TEMPERATURE SENSOR 51000 40801 INTERNAL BATTERY 24V 4 5 NiMH ALARM BACKUP PCB WITH HARNESS L1524 Rev D AC TO DC TO PWR SWITCHING POWER DRIVER PCB SUPPLY C 3 16271 BROWN 51000 40821 Lue rn KEUTRAL C GROUND POST PSI MICROSWITCH H FUSE gt jss 255 HEATER 51000 40824 FF 15 XT NEBULIZER SOLENOID 51000 40819 1 J57 BOOSTER SOLENO D 51000 40820 J58 71258 H20 DUNP SOLENOID 51000 40826 ij SPARE SOLENOID SPARE SOLENO D jippo ABLE ASSEMBLY LE ASStNBL COMPRESSOR DRIVER 51000 40956 DRIVER TRANSITION are W HARNESS 1621 HARNESS ASSY KIT 16215 ORIVER TRANSITION PCH ASSY 51000 40550 o WO CO mewn 40 QO gt o nu 7 HISTORY AUS ERNST Arne DAE TET REVERSED FER ECO PER D wm EDD 59202 PRODUCTION RELEASED PER ECO ws n MS 12 5 03 PER ECO EFS pam 59925 REVISED PER iy grew COMPRESSOR DRIVER PCB ASSEMBLY 52170 SH 2 04 CABLE ASSEMBLY 51000 40782 TO 2 PCE JMi 594 POWER BLADES POWER BLADES 95 PIN CABLE ASSEMBLY 51000 40785 TO JP OF TCA SI 2 ZONE C4 DIMENSIONS ANT a TOLESANCES E St dH 26 2100 0 MACHINED BETTER 2 CORNEA FILLETE
11. VIASYS HEALTHCARE SCHEMATIC INSP FLOW 5 c 51000 40342 Chapter 11 Appendices 195 Avea ventilator system O Blender REVISION HISTORY ECO NO DESCRIPTION 56739 PILOT RELEASE PER ECO 7 3001 57362 PROD RELEASE PER ECO FERRITE BRN Es BLK O O E2 RED WHT MO YEL 680pF 400V Homes 124 GND OPTION cots TPS ___ lt DASH NO PARTS LIST a an EN E DIMENSIONS ARE IN INCHES DRAWN oae V SYS B TOLERANCES R 4 HALES 62001 X HEALTHCARE A MV NORTH 6 28 0 C MACH SURFACES S LANDAS 7 30 01 D CORNER FILLETS RADII 005 014 30 SCHEMATIC O2 BLINDER E DEBURR EDGES 005 020 DWG NO REV eme Ecos ET ZINA curen nsr LAT ens m 51000 40292 TRACEABLE torno o wrerererremansiviesmsez 108 Sfi ee n we SL 4 Sup EA TEL IDENTIFYIN OR DESCRIPTION L1524 Rev D Chapter 11 Appendices 196 Avea ventilator system Chapter 11 Appendices EPM Board
12. 475 102 GPIO28 AFDII GEIO30 STRB GPIOMl KBDCOL2 PIRQ3 KB COLS Dh FADU GPIO C83 XSDROW13 222597051 RBDAGWI SUSAE cego MAi MAZ CES SINU 91801 GPIOC CS7 SIRIN GeIO CSl 18 10K 1 Chapter 11 Appendices 203 Avea ventilator system Chapter 11 Appendices d v etd CAD v K3 Gi LA d R6 100 13 8506 8502 20K 28 10 2 T VIDEO 1204 30 2507 R510 16K 1 10K 1 57 0 01uF 5109 RT 1 L00X 1 100K 1 R107 100 1 558 140 1 42 5 TV Let PE EE 2 3 TY Te U l AASE 575 798032 50 9570 74 32 50 160 8 WAVE SPECIFIC FR CH AGITE DATA 1259 MIET START SHCATL AFTER FVA IS Tis RN ASSES DIXDIS GARA STANT UPS EV WANG DEVELOP DT HIT AS DUT 080 25 S2 THAT THE MR 70 TEE CAN am orayt BACKLIGHT INVERTER 021 TRE RO 19 AZADT 15 START SWE LCD SUPPORTS STRIP INVERTER TRE LEORA SIMIAL FURTHER DELAYS TEL Di amp L1524 Rev D 204 Avea ventilator system Chapter 11 Appendices 100ohms 100MHZ 0 001uF 9 001uF c 2 LH2674M 5 0 c 0 0010 iur 0 001uF ca cag S82 0 0024 0 002uF 0 001 gt 59 0 22uF cao 0 22uF 0 22uF c94 ces 0 001uP 5 001 A x RT 89 R73 1 4 75K 18 4 755 18 4 75K 1 RO 1
13. External Connection allows factory programming of flash boot sector 91 0 22uF R23 182 15 us Parallel 8 gt 8885580855 55553 wir c c cio 111 0 001 0 0012 COluF D UVIUF U VEIUF U OO0luF 9220107 5100 C102 C103 104 106 C1OB 110 6112 O DOLEF 6 0042 0 01 w SluF 2 021 0 5 1uF 0 5014 2125 0 00105 L1524 Rev D 205 Avea ventilator system Chapter 11 Appendices Al nan Tm a TNT ii T i 2 a 4 5 3 3 2 H i 0 3 7 3 1 1 s 1 7 8 9 nmm nan ka d U d L2 fO 5 QI VI ewm cus He 25 C146 9 152 our bk SPORRI 355533 R54 10K 1 Cfe3 cfG2 Oral cred o 0 1 0 ROMCSOM 16 path 32 Bit buffer control signals disabled Hot Unless otherwis stated thw resistors are 0805 package and 5 Tol Were Unless ctherwise stated the capacitors 0805 package and 10 Tol SALE 7 1524 Rev D 206 Avea ventilator system Chapter 11 Appendices 1520 DEBUG 0 050 SPACING NOT POPULATED TP15 1226 TESG Q 1 ici Fan p m xa es HEE BET 07 554 b xelk ee lt rix gt 4 p gt Kv CES c
14. 264 Circuit Resistance per 792 265 Advanced Pulmonary Mechanics Monitored Parameters essem 266 en c I DII 272 L1524 Rev D Service Manual Avea ventilator system X L1524 Rev D Avea ventilator system Service Manual Chapter1 Introduction Safety Information Please review the following safety information prior to operating the ventilator Attempting to operate the ventilator without fully understanding its features and functions may result in unsafe operating conditions Warnings and Cautions which are general to the use of the ventilator under all circumstances are included in this section Some Warnings and Cautions are also inserted within the manual where they are most meaningful Notes are also located throughout the manual to provide additional information related to specific features If you have a question regarding the installation set up operation or maintenance of the ventilator contact VASYS Respiratory Care customer care as shown in Appendix A Contact and Ordering Information Terms WARNINGS identify conditions or practices that could result in serious adverse reactions or potential safety hazards CAUTIONS identify conditions or practices that could result in damage to the ventilator or other equipment NOTES identify supplemental information to help you better understand how the ventilator works L1524 Rev D 1 Chapter 1 Introduction Avea ventilator sys
15. Disconnect blue tube just in front of the solenoid Installation Position the nebulizer onto the three threaded studs and using long needle nosed pliers secure with 3 11 32 KEPS nuts 2 on the left side and 1 on the right Connect the tubing from the accumulator to the left side of the nebulizer Feed the tubing from the gas delivery engine through the U shaped notch on the left side of the chassis and connect it to the nebulizer Connect the two solenoid connectors from the driver transition board L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Referring to the instructions in this chapter install the following components e Ventilator assembly to the base e Bottom cover e Gasdelivery engine assembly e UIM and the top cover Figure 4 15 Nebulizer Assembly showing ports L1524 Rev D 81 Chapter 4 Assembly and Disassembly Avea ventilator system Accumulator P N 51000 40748 Removal 1 Referring to the instructions in this chapter remove the following components e Exhalation Corner e UIM and the top plastic cover e Top Metal cover Disconnect internal batteries e Gasdelivery engine assembly e Ventilator assembly from base e Bottom cover e Front panel e Speaker e Nebulizer Note When turning the unit over make sure to support it on 2x4 pieces of wood so as not to put the entire weight of the unit on the 4 standoffs Disconnect the solenoid cable from
16. Invalid Data Pbaro Sensor Message Invalid Header Baro EEPROM Invalid Data Baro EEPROM Invalid Device Code EEPROM Message Barometric Pressure Reading 545 or 760 and actual BP is not those values 184 Barometric Pressure Transducer has failed EEPROM Error EEPROM Error EEPROM Error Barometric Pressure Transducer is out of calibration Avea ventilator system Replace UIM Reinitialize EEPROM and do Manufacture Field Calibration Perform Field Barometric Calibration Reinitialize EEPROM and do Manufacture Field Calibration Perform Field Barometric Calibration L1524 Rev D Avea ventilator system Chapter 10 Parts List Service Manual Note The list of components given in this manual are for reference only For a comprehensive parts list contact CareFusion Technical Support Description A C BRACKET ACCUMULATOR ADULT PT CIRCUIT 48 ADULT PT CIRCUIT 72 ADULT TEST LUNG SIEMENS AIR SMART CONNECTOR DISS AIR AND HELIOX TETHERED SMART CONNECTOR ALARM SPEAKER COMPREHENSIVE CART COMPRESSOR SCROLL PUMP ASSEMBLY INCLUDES PCBA CUSTOM TRANSPORT CART KIT Rack tank cart assembly 12V 12 amp lead acid battery set of 2 Battery tray screw washer nut Wire harness EPM BOARD INCLUDES PCBA EXHALATION CORNER Exhalation filter cartridge holds filter Filter capsule non disposable Water trap assembly Water trap adapter Bottle 125 mL EXHALATION VALVE
17. RH A 59204 PRODUCTION RELEASE PER ECO 10 8 03 REVISE PER ECO RH ww 12803 RM RUH B RJH VN C 59636 REVISE PER ECO RUH 3 17 04 D 59669 REVISE PER 6 11 04 E 59866 REVISE PER ECO 21605 60216 REVISE PER ECO we arm Zey ps THIS DOCUMENT IS THE COPYRIGHTED PROPERTY OF VIASYS HEALTHCARE CRITICAL CARE DIVISION AND MAY NOT BE REPRODUCED WITHOUT WRITTEN PERMISSION OR USED FOR OTHER THAN VIASYS HEALTHCARE CRITICAL CARE DIVISION AUTHORIZED PURPOSES gt a 2771 PARTOR _ NOMECLATURE MATERIAL Qd IDENTIFYING NO OR DESCRIPTION PECIFICATIO NO lt PARTS LIST SYS APPROVED SCHEMATIC POWER eas bale T TERES UNLESS OTHERWISE SPECIFIED A DIMENSIONS ARE IN INCHES B TOLERANCES X XXX 005 XX 2 ANG 100 MACH SURFACES 2 ORBETTER D CORNER FILLETS amp RADII 005 010 E DEBURR EDGES 005 020 Herren meras resta SHEET TOR L1524 Rev D Chapter 11 Appendices 212 Avea ventilator system Chapter 11 Appendices Bii CL NT BAT GATE gt NOTE All resistors are 1 unless otherwise specified on the schematic L1524 Rev D 213 Avea ventilator system Chapter 11 Appendices 2525
18. To the pressure manometer Figure 7 18 Figure 7 19 Expiratory Sensor connector location L1524 Rev D 143 Chapter 7 Calibration Avea ventilator system 144 Turn the calibration syringe slowly counter clockwise for a negative pressure of 40cmH20 to establish the negative calibration value and plus 75 2 to establish the positive value Press the appropriate touch screen button when each value is reached to capture and store the calibration Press EXIT Disconnect the calibration set up from the expiratory flow sensor port and reconnect the expiratory flow sensor Expiratory Flow Press the EXP FLOW touch screen button to access the screen Figure 7 20 Expiratory Flow Calibration Screen With nothing attached to the expiratory flow sensor port Figure 7 19 press the 0 cmH O touch screen button Using the same sensor connector and tubing setup as the wye flow calibration Figure 7 14 carefully attach the setup to the expiratory flow port as shown in Figure 7 19 Turning the calibration syringe clockwise apply 4 cmH O pos pressure and press the positive pressure touch screen button Warning Apply NO MORE THAN 10 cmH 0 to the port when calibrating this value Doing so could cause damage to the Avea If this occurs immediately contact Technical Support for instructions Press EXIT Remove Calibration set up and reconnect the expiratory flow sensor L1524 Rev D Avea ventilator system Ch
19. AABIT 2095 4020 DEBURR 065 022 TO SWITCHING POWER SUPPLY 2 6 AS DELIVERY ENGINE ASSEMBLY 16222 ls HOLDER FLOW CONTROL VALVE HARNESS ASSEMBLY user t omm we EF EXTERNAL BATTERY rn POWER Lu OK OFF J SWITCH Z 31154 I 2 3764 L2V 12Ah 12V 2Ah Pe D HEUERMANM 8 11 03 7 ROSAS CAR P WIRING DIAGRAM SYSTEM Enc cunei eee Jf Fama poema T 6 INTERPRET FER ANS TI4 34 482 E wo Iur wo 0 EMO 3 19 03 Gene NON sursume SWtr io Chapter 11 Appendices 241 Avea ventilator system L1524 Rev D BACKLIGHT PCB 21 P2LL OPTICAL ENCODER 182 51000 40687 RS232 P3 CABLE ASSEMBLY CONTROL TO LCD CONTROL 52250 PRINTER PCB ASSEMBLY s 1 ea j j 32 BIT LED CABLE ASSEMBLY CONTROL PCB TO LED 51000 40681 FROM POWER DRIVER TRANSITION JM4 C4 1 65 SH 1 ZONE 51000 COMPRESSOR DRIVER ASSEMBLY 52110 FROM SH ZONE D4 FROM POWER DRIVER PCB 1 8 SH 84 OXYGEN PRESS 51000 40360 PII MR 49 TCA PCB PRESS PCB 51000 40310 51000 40360 HLENOED GAS PRESS PCB 51000 40370 P8 02 BLENDER PC 51000 40290 26 71858 zi SWITCH PANEL 51000 40193 FAWAZ SOL
20. Plug the Avea into a suitable AC Power source 50 PSI oxygen source and 50 PSI medical air source Connect an adult patient circuit and an adult test lung Note CareFusion recommends the use of a non disposable adult patient circuit P N 16044 48 or P N 16045 72 and test lung P N 33754 when testing CareFusion ventilation equipment 3 Turn power on Select New Patient when prompted The Safety Valve Open alarm will activate Press Patient Accept This will re set the controls to the default settings shown in this procedure Select Patient Size and select Adult Press Size Accept Leave the settings at the defaults and verify that a Vent Inop Alarm is not activated Ensure that Leak Comp and Humidifier active are off Press Setup Accept Perform an Extended Self Test EST Extended Systems Test EST Note Ensure that the O alarm is enabled The O sensor calibration portion of the EST will fail if the O alarm is disabled Connect medical grade oxygen and compressed air sources to the unit 20 TO 80 psi Press the Setup membrane button to access the Setup screen L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP 3 Press Size Accept to pass the next displayed screen jjj EWTA HUMIDIFIER Em LEAK COMP ACTIVE OFF OFF mi cmH20 Diameter Length Circ Comp PATIENT SI IDENTIFICATION SETUP kg
21. Range 0 00 to 5 00 Resolution 0 01 Accuracy 1096 L1524 Rev D Avea ventilator system Chapter 11 Appendices Respiratory System Resistance Ras Respiratory System Resistance Rss is the total resistance during the inspiratory phase of a breath Respiratory System Resistance is the ratio of the airway pressure differential peak plateau to the inspiratory flow 12 ms prior to the end of inspiration Range 0 to 100 cmH O L sec Resolution 0 1 cmH O L sec Limitation Active for volume breaths only Note Requires an Inspiratory Hold maneuver Accuracy 1096 Peak Expiratory Resistance The ventilator shall be capable of calculating and displaying the Peak Expiratory Resistance which is defined as the resistance at the time of the Peak Expiratory Flow PEFR PEFR Range 0 0 to 100 0 cmH O L sec Resolution 0 1 cmH O L sec Accuracy 1096 Rpeak Imposed Resistance Rime Imposed Resistance is the airway resistance between the wye of the patient circuit and the tracheal sensor Range 0 0 to 100 0 cmH O L sec Resolution 0 1 cmH O L sec Note Requires an Inspiratory Hold maneuver and a tracheal catheter Accuracy 1096 Lung Resistance Riune Lung Resistance Runa is the ratio of the tracheal pressure differential peak plateau to the inspiratory flow 12 ms prior to the end of inspiration Range 0 0 to 100 0 cmH O L sec Resolutio
22. To calibration syringe 2 yring 2 T E4 A port X To manometer Figure 7 11 Esophageal Pressure Calibration 1 From the Calibration screen menu press ESOPH PRES to access the esoph pressure transducer calibration screen ESOPH PRES m Push to 40 0 75 Cal cmH20 cmH20 cmH20 Stored 65535 65535 Figure 7 12 Esophageal Pressure Transducer Calibration screen 2 With NOTHING attached to the Pes port on the front panel press Zero 0 calibration icon on the touch screen 138 L1524 Rev D Avea ventilator system Chapter 7 Calibration 3 Attach the calibration assembly Figure 7 13 to the Pes port on the front panel of the unit Calibration ring pem Figure 7 13 4 Using the calibration syringe slowly apply negative pressure 40 cmH O turn counter clockwise for negative pressure 5 Refer to the reading on the calibrated pressure manometer When the correct reading of 40 cmH9O is obtained press the corresponding icon 6 For positive pressure turn the syringe handle clock wise until a reading of 75 cmH20 is obtained press the corresponding icon 7 Press EXIT 8 Disconnect the calibration set up from Pes port L1524 Rev D 139 Chapter 7 Calibration Avea ventilator system 1 Wye Flow Sensor From the Calibration Screen press WYE FLOW to access the Wye Flow sensor calibration screen 2 Wi
23. Verification Testing should always be done off patient User Verification Tests UVT The following tests are part of the User Verification testing performed before connection to a new patient 1 POST Test 2 EST 3 Manual Alarms test Operational Verification Procedure OVP The following tests are part of the Operational Verification Procedure 1 POST Test 8 Battery Run Procedure 2 EST 9 Battery Performance Verification 3 Manual Alarms Test 10 Air O Inlet Verification 4 Vt Verification 11 Breath Rate Verification 5 UIM Verification 12 Blending Accuracy Verification 6 Compressor Check 13 PEEP Verification 7 Power Indicator and Charging Verification It is recommended that the OVP should be performed During the annual PM e After a software upgrade After the replacement of a part component e Ifthe end user suspects the ventilator is not functioning within parameters L1524 Rev D 91 Chapter 5 Operational Verification Procedure OVP Avea ventilator system The POST test The first part of the testing the POST or Power On Self Test is transparent to the user and will only message if the ventilator encounters an error This test is run automatically and performs the following checks Processor Self Check ROM Check Sum RAM Test The POST will also check the audible alarms and the LEDs at which time the audible alarm sounds and the LEDs on the User Interface Module flash Setup 92 1
24. 3 and remove Remove and label blue neutral and brown load wires on the power entry module Remove the 4 11 32 KEPS nuts 2 on the left and 2 on the right Pull out the power supply including the brass bracket Installation Ifinstalling a new power supply you will need to install 4 cable mounts the new power supply Use the old power supply as a model for the location on the new power supply Reconnect the 3 wires from the power entry module to the 3 pin terminal block of the power supply board Seat the power supply and the bracket into the chassis and secure with 4 11 32 KEPS nuts 2 on the left and 2 on the right Reconnect the 2 wires 1 and 3 from the terminal block Reattach the 5 pin connector to the power supply board location J2 Replace the cable ties Reinstall lock washer ground wire and nut securely Secure wiring harness with cable ties to power supply shield L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly 9 Referring to the instructions in this chapter install the following components in the order listed e Compressor and compressor PCB e EPM board Return the EPM to its position on the 2 mounting studs and secure using the 2 Phillips screws e Fanassembly e Reconnect internal batteries e Metal top cover e UIM and the plastic top cover Table 4 2 Avea Power supply specifications INPUT OUTPUT TB1 TB2 6 32 3 pin terminal block
25. 70 71 to the main power switch as shown in photo 3 L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly 27 Note When connecting wires 41 and 470 71 press in on the main power switch from the outside of the unit to ensure that the main power switch is not pushed out The secondary alarm assembly must be grounded to the unit chassis to ensure proper function Re install the battery and fuse holder and re connect the battery connector Functional Testing of the Secondary Alarm Assembly ST xp ues e 9 Note Do not install the base plate at this time Place and secure the pneumatic module to the cart Note Ensure that all wires and tube located in the lower section of the pneumatic module so damage does not occur Temporarily install the UIM onto the pneumatic module Connect the circuit and test lung to the pneumatic module for testing Plug AC power cord into appropriate wall supply If the unit does not have the on board compressor connect the unit to appropriate wall gas supply Turn unit on and allow the unit to power up and press accept patient icon Clear all visual and audible alarms Approximately 15 seconds after all alarms are cleared the Secondary alarm will sound for 1 to 2 seconds After 3 minutes with no backup alarm sounding from the unit turn unit off Additional Test to ensure Proper Wire Routing 1 This test requires quick action and r
26. BG PT Bad ID Air Supply PT Bad ID BG PT Bad ID Blender Bad ID Ctrl PCB Bad ID EFS Bad ID HWFS Bad ID IFS Bad ID Supply PT 174 Bad ID Power PCB Bad ID TCA Bad ID WFS Bad Model Number Bad Sensor Type HWFS Compressor Output Low Compressor Rotor Locked Compressor Runtime Data Error Config Lost Data Error Air Sup PT Data Error BG PT Data Error Blender Data Error Compressor Data Error EFS Data Error Data Error HWFS Data Error IFS Data Error O Sup PT Data Error TCA Data Error WFS Device Not Found EFS Device Not Found IFS DPRAM Comm Error Ctrl DPRAM Comm Error Mntr Event Log Data Lost Exp Temperature Error Avea ventilator system FCV Overcurrent Fault Header Error Air Sup PT Header Error Blender Header Error Compressor Header Error Ctrl PCB Header Error EFS Header Error Header Error HWFS Header Error IFS Header Error O Sup PT Header Error Power PCB Header Error TCA Header Error WFS HSSC Comm Fault IFS A D Ref Fault IFS Voltage Fault Insp Temperature Error Invalid Data Baro EEPROM Invalid Data Pbaro Sensor Invalid Device Code EEPROM Invalid Feature EPM Invalid Header Baro EEPROM Pneumatics Module FTC Settings Lost TCA A D Ref Fault Trend Data Lost L1524 Rev D Avea ventilator system Chapter 9 Troubleshooting Avea Mechanical Troubleshooting Caution Remove the ventilator with the potential pro
27. Cytoxicity test For further information please contact Pall Medical L1524 Rev D Avea ventilator system Chapter 11 Appendices Water Trap Resistance The resistance of the small water trap assembly including the collection bottle is than 0 25 cmH20 at 20 L min Compliance The compliance of both water trap assemblies including the collection bottle is 0 2 mL cmH O Exchange Protocol The following describes several typical transaction sequences for this protocol Others are possible but are analogous to or extensions of those presented Host Ventilator Service Request ServiceR equest gt ServiceR equestR eply Data Request ServiceR equest Monitors Monitors Service Request ServiceRequest Data as Available ServiceR equestR eply Scalars gt k RealTimeData RealTimeData 1 l RealTimeData Figure 11 4 Default The default transmission mode for all data types is By Request Disabled State All data transmission may be disabled under certain circumstances for example if an alternate data channel MIB is selected for communication In this case all Service Requests will be replied with a failure message L1524 Rev D 251 Chapter 11 Appendices Avea Message Bar Text Avea ventilator system Avea MESSAGE BAR TEXT CAUSE Confirm Apnea Settings Selection of CPAP PSV or APRV on Mode Se
28. NO LESS THAN 0 018 BETWEEN LAYERS 3 AND 4 NO LESS THAN 0 018 ALL HOLES TO BE PLATED THRU TO HAVE 0 0002 0 0007 POSITIVE ETCHBACK ON HOLES PRIOR TO PLATING ELONGATION PROPERTY OF 10 ON ALL PLATED COPPER sae ____ svu HOLE DIAMETER TOLERANCE TO BE 0 003 AFTER PLATING s r fatto NON PLATED HOLES MAY BE USED AS TOOLING POINTS BOARD SUPPLIFR S NAME TRADEMARK 0 1 RECOGNITION CODE AND TYPE DESIGNATION TO BE ETCHED ONTO SECONDARY SIDE OF BOARD MINIMUM CONDUCTOR WIDTH 0 006 MINIMUM CONDUCTOR SPACING 0 006 COPPER CIRCUITRY THICKNESS SHALL BE PLATED UP TO THE FOLLOWING DIMENSIONS OUTER LAYERS 0 0014 MIN INNER LAYERS ETCHED 0 0014 MIN PLATED THRU HOLES 0 0014 MIN WARP OR TWIST OF BOARD SHALL NOT EXCEED 0 010 PER INCH APPLY GREEN LPI SOLDER MASK CONFORMING TO 5 840 CLASS 2 OVER BARE COPPER ONTO BOTH SIDES OF BOARD USING APPROPRIATE ARTWORK EXPOSED CIRCUITRY TO BE SOLDER COATED AND HOT AIR SOLDER LEVELED SILKSCREEN LEGEND ONTO PRIMARY SIDE OF BOARD USING WHITE EPOXY BASED PAINT OR INK AND APPROPRIATE ARTWORK QLT PART OR NOMENCLATURE MATERIAL FIND REE Ee EDGES AND REQD IDENTIF YING NO OR DESCRIPTION SPECIFICATION lt DASH NO PART LIST ACCEPTANCE CRITERIA SHALL BE AS DEFINED IN ee DASH NO ____ IPC A 600 CLASS 2 FOR TYPE 3 PRINTED BOARDS APPROVALS THE FINISHED BOARD SHALL COMPLY WITH UNLESS OTH
29. Set unit to CPAP Mode Set Blender FIO to 60 Attach Differential Pressure Test Gauge to Regulator Test Ports A4 and B4 at front of Gas Delivery Engine GDE Refer to Figure 7 35 below Apply 50 psi air and oxygen supplies to unit Note Air pressure will be indicated by High 5 Pressure Gauge and should be 11 psi the actual air pressure reading is not critical to 154 differential pressure calibration Air Oxygen Regulator pressure differential will be displayed by the Differential Pressure Test Gauge This reading should be 0 2 cmH O To adjust Air Oxygen Regulator pressure differential locate O Relay Adjustment Screw on the top of the O Relay Note Access to this adjustment is through a hole in the TCA PCBA the circuit board is mounted component side down on the top of the GDE Note Early versions of the GDE will require the removal of a plug on the top of the Relay and the installation of the Oxygen Regulator Adjustment Tool p n 51000 08258 Gas Delivery Engine GDE Top View P n M4 PORT A4 7 PORT G4 BLUE PORT F4 WHITE PORT E4 YELLOW AIR REGULATOR WINDOW PORT L4 PORT A1 PORT B4 PORT B1 PORT A3 REAR O2 RELAY WINDOW FRONT Figure 7 35 L1524 Rev D Avea ventilator system Chapter 7 Calibration GDE Test Ports B4 A4 Figure 7 36 Calibration Procedure 1 2 3 Attach end of the CO sensor cable to the ETCO conn
30. UIM High SHIELDED Speed CABLE Serial Channel Ib e i s Enhanced EPM PCB EM Faw Ptr Pes aw Ambient F Ai gt Fan ir DC fin Y eM 1 Analog 1 0 kani axa HSSC cu nam Nurse Call I Gas ID 3 Transducer Comm TCA PCB HW Flow O HSSC AGEOMBE 7 Power Driver RPM 2a vpc PCB Lo 997 e Qe AN AN optional amp pc A 65 Power Battery Compressor G System optional 02 Sensor DE xhaust Y v Flow 3x P pev 1 02 supply HA Nebulizer gt Neb gas Sut i ii T PNEUMATICS Optional AittHeliox HA Patient Flow Reference Pneumatic Schematic P N 51K 09742 Rev X1 Figure 2 3 Pneumatics Module Block Diagram Power Supply System The power supply system consists of a power inlet module and a medical grade 350 watt power supply the power driver PCB and a set of internal 12 VDC NiMH batteries The power inlet system accepts a standard IEC medical grade power cord and allows the system to be configured externally for use with 100 to 240 VAC 50 60 Hz power AC power is converted to 34 VDC by the internal medical grade power supply which is also power factor corrected The power driver PCB converts the 34 VDC from the power supply or the 24 VDC from the inte
31. eom Figure 5 1 4 Press the EST touch screen icon to highlight A message will appear instructing you to remove the patient and block the patient circuit wye Remove the test lung and plug the wye connector REMOVE THE PATIENT BLOCK PATIENT CIRCUIT WYE Figure 5 2 5 After confirming that the patient has been disconnected and the circuit wye blocked press the Continue Cont button The ventilator will perform the EST and display a countdown clock EXTENDED SYSTEM TEST Leak Test PASSED Circuit Compliance Test PASSED O2 Sensor Calibration PROGRESS 45 sec own Figure 5 3 L1524 Rev D 93 Chapter 5 Operational Verification Procedure OVP Avea ventilator system During this test the ventilator will perform e Patient circuit leak test e Patient circuit compliance measurement e Two point calibration of the oxygen sensor The patient circuit compliance measurement and leak test are performed simultaneously with the oxygen sensor calibration The maximum time for the EST is 90 seconds To restart the EST at any time select the Cancel button to return to the set up screen EXTENDED SYSTEM TEST Leak Test PASSED Circuit Compliance Test PASSED O2 Sensor Calibration PASSED CONTINUE Figure 5 4 After each test is complete the ventilator will display a Passed or Failed message next to the corresponding test 6 Once the test is complete press the continue button to ret
32. verify that the following parts are in your external battery kit Description Quantity Part Number 12V lead acid battery 16179 Battery tray screw 10 32 x 5 16 m 33977 X2 washer 10 X 2 and nut 10 32 KEPS Wire harness 16217 Cable ties 52000 00239 Literature L2353 Rack Tank Cart Assembly 33978 Battery tray rail plate 22392 Mounts 08231 If any parts are missing contact CareFusion Avea customer service at 800 325 0082 or 760 883 7185 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions y Assembly Instructions for Comprehensive cart P N 33976 Metal cart 1 Unscrew the 4 thumbscrews securing the base to the ventilator body as shown Lift the ventilator body and UIM from the wheeled base 2 Gently set the ventilator down on a secure flat surface see the Note on following page 3 If attached remove the Gas Tank holder from the base Remove gas tank holder Figure 3 7 Caution Do not rest the ventilator on the patient breathing gas outlet Resting the weight of the ventilator on this outlet may cause damage resulting in leaks at the site Patient Breathing Gas Outlet Figure 3 8 L1524 Rev D 31 Chapter 3 Installation Instructions Avea ventilator system 4 Detach the drop cable portion from the main battery harness as shown Drop Cable Battery Cable Figure 3 9 5 Remove the two screws holding the face plate between the rear wheels of the Avea cart and deta
33. 1 long screw and washer 6 Place Avea Ventilator on top plate align thumbscrews 4 and lightly start all thumbscrews to locate Avea Ventilator Fully tighten 4 thumbscrews to secure Avea Ventilator Note Apply Loctite 2717 Threadlocker thread adhesive or equivalent to all threaded fasteners L1524 Rev D 23 Installation Instructions Chapter 3 Thumbscrew Pole 2X 5 16 X 1 screw flat washer amp lock washer KS Figure 3 1 24 Avea ventilator system 5 5 16 18 x 1 screw and AX 5 16 X 1 screw amp washer Top plate Pedestal Base L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions y 5 16 X 1 screw and washer 5 16 X 1 screw nut and washer Anti static drag chain Figure 3 2 Comprehensive Stand Assembly Instructions Refers to P N 33976 1 Open main carton 2 Remove the center carton that contains the pedestal hardware and instructions and open 3 Remove second carton that contains top plate pole and set aside 4 Remove the 4 legged base assembly from carton and set base on the floor Place pedestal onto the base assembly L1524 Rev D 25 Chapter 3 Installation Instructions Avea ventilator system Figure 3 3 5 Using the 1 8 Allen wrench provided install and secure the 4 10 24 x 34 screws along with the 4 star washers 26 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions Note Al
34. 1 cmH O Accuracy 2 2 or 596 whichever is greater Note Requires a passive patient Delta AutoPEEPaw dAutoPEEP aw Delta AutoPEEPaw dAutoPEEPaw is the difference between airway pressure at the end of an expiratory hold maneuver and the airway pressure at the start of the next scheduled breath after the expiratory hold maneuver Range 0 to 50 cmH O Resolution 1 cmH O Note Requires a passive patient Accuracy 2cmH5O or 596 whichever is greater L1524 Rev D Avea ventilator system Chapter 11 Appendices AutoPEEP AutoPEEP is defined as the difference between esophageal pressure measured at the end of exhalation minus the esophageal pressure measured at the start of a patient initiated breath Pes stat and the sensitivity of the ventilator s demand system The sensitivity of the ventilator s demand system is the difference between the baseline airway pressure PEEPaw and the airway pressure when the patient initiates breath Paw start AutoPEEP gs PEEPes Pes start PEEP aw Paw start Range 0 to 50 cmH O Resolution 1 cmH O Note Requires an esophageal balloon catheter Accuracy 2cmH5O or 596 whichever is greater Transpulmonary Pressure Plateau Pa Plat The ventilator is capable of calculating and displaying the Transpulmonary pressure during an inspiratory hold which is the difference between the airway plateau pressure Ppiataw and the corresponding
35. 11 32 KEPS nuts 2 KEPS nuts on the bottom and 1 on the top Connect the positive and negative battery leads to the wire harness that connects to the driver transition board These are arranged M F and F M so they cannot be incorrectly connected Replace the fuse holder into the front of the chassis Connect the lug connectors to the two battery fuse terminals using either combination of wires Referring to the instructions in this chapter install the following components Reconnect the internal batteries Metal Cover UIM and plastic cover Exhalation corner assembly The Avea has replaceable fuses associated with internal DC external DC and AC power sources Please refer to your present power requirements which are detailed on the rear of the Avea Line Voltage Fuse Amperage 250 Watt Power Supply 350 Watt Power Supply 100 120VAC 2 250V 3 15 amp 1 5 amp 6 35 X CareFusion P N 71692 CareFusion P N 71698 3175 230 240 2 250 V 6 3 amp 3 15 amp 6 35 X CareFusion P N 03490 CareFusion P N 71692 3175 Note Internal and External battery fuses are of different lengths placing fuse in incorrect holder may result in fuse falling inside of the Avea Warning Do not remove or replace fuses or perform any maintenance tasks on the ventilator while your patient is connected Always perform these tasks off patient L1524 Rev D 61 Chapter 4 Assembly and Disassembly Avea ventilator
36. 13 pue 299885898888898998 5 E BERDE gt SEBE EBES HEBER BH BEBE id CUL 10 PIRgi aPLO CS7 KADROSI1CSBHER PIBQ GPT0 S29 127MCS16 j 071976810 Do I 0 080 spacing NOT POPULATED 5 IN PRODUCTION CONS STAAR GPIOSl 2 01893 CONTROL EBECON3 PIkROS LAN RBDCOLG PIROT E 410 HEDCOLO_ X8DCOLI KanaoR Plpdl R32BFOE XNDRONT4 30855 Rio 10K 14 32 768 KHz CRYSTAL 5 297 napa 928588 din 928393 Note Unless otherwise stated the resistors arc 0805 package and 55 Tal Note Unless otherwise stated the capacitors are 0805 package and 10 Tol L1524 Rev D 202 Avea ventilator system L1524 Rev D Noke Uni otherwise Note Unless otherWis ED 0 01UF T na 4 355 18 3152444 Ua JAUVT24 SMSA gt 4 st tds x24 10K 24 JTAG 32 768 KH CRYSTAL ated the resisters are 0805 pockage and 55 Tol ated the capacitors are 0805 package and 105 Toi 9210 55 GCHROY aPIQ CS N MONITOR ELAN 410 988988898888858 58 BE EEE HE TC GPIC CS PIEQU GPl1C CS8 PBACHON 2152 6511 6 12 54 GPIO2O PPDWEM GPlO2l PPOENI GPIO22 SLCT GF1023 BUSY GPIO21 ACKITGPTOS PE 321026 4 221057
37. 20 thread screws Figure 3 20 Note Apply Loctite 2717 Threadlocker thread adhesive or equivalent to the two flathead 14 20 screw threads 2 Place assembled tank bracket on short side of H stand legs Figure 3 21 Note If your stand has pre drilled holes with threaded inserts move to Step 8 40 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions 3 Place tape measure under bracket Slide bracket back 34 from the edge of the H cross piece Figure 3 22 4 Center the bracket on the two legs of the H The bracket should be positioned approximately 11 16 in from the outside edge of each leg Recheck the initial 34 dimension measurement Figure 3 23 5 Using a pencil mark location of tank bracket in center of slotted holes on the bracket Figure 3 24 L1524 Rev D 41 Chapter 3 Installation Instructions Avea ventilator system 6 Center punch marked locations Before drilling move rear wheels out of the way to prevent damage Figure 3 25 7 Using 17 64 265 drill bit drill through both bracket walls Figure 3 26 8 Remove burrs from drilled holes and insert screw from bottom guiding through both holes in tubing and tank bracket Figure 3 27 42 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions 9 Place washer x4 and nuts x4 over screws and tighten securely Figure 3 28 Note Apply
38. 32 KEPS nuts Secure compressor using the 4 11 32 KEPS nuts over the 4 studs Connect 8 pin Molex connector from compressor to compressor driver board Connect the 12 pin scroll pump connect to the compressor PCB Note Ensure the scroll compressor assembly is seated below the wire that runs from the driver transition board to the fan and push down the wire harness from the driver transition board under the front of the scroll pump to avoid wedging it between the scroll pump and the chassis Position the scroll compressor board onto two studs and secure with 2 KEPS nuts 1 on the right and 1 on the front Replace the Enhanced Patient Monitoring Board EPM Reattach the high pressure hose to the filter outlet Referring to the instructions in this chapter re install the following components Reconnect Internal Batteries Metal Shield UIM and plastic cover Exhalation corner assembly L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Enhanced Patient Monitor EPM Board P N 51000 40848A gt 2 A WN gt So De 1002950 dis Removal Referring to the instructions in this chapter remove the following components UIM and plastic cover Metal top cover Exhalation Corner Disconnect internal batteries Ventilator assembly from the base Remove the flow sensor cover by removing the 3 SEMS screws Remove the 2 KEPS nuts the brass color
39. 4 Referring to the instructions in this chapter install the following components e Reconnect Internal batteries e Top Metal cover e UIM and the top plastic cover e Exhalation corner EMI Shield Removal 1 Referring to the instructions in this chapter remove the UIM and the top cover 2 Remove the protective box cover by removing the 1 Phillips screw 76 L1524 Rev D Avea 1 2 3 ventilator system Chapter 4 Assembly and Disassembly Remove the EMI shield protective box by removing the 2 KEPS nuts that secure it Installation Replace the EMI shield protective box and secure it with 2 KEPS nuts Replace the protective box cover and secure with 1 Phillips screw Referring to the instructions in this chapter install the UIM and the top cover Front Interface Panel P N 51000 40635 Removal Referring to the instructions in this chapter remove the following components UIM and the top plastic cover Metal cover Exhalation corner assembly Gas delivery engine assembly Ventilator assembly from the base Remove the flow sensor cover by removing the 3 SEMS screws Remove the 2 KEPS nuts the EMI shield brass bracket and ribbon cable Turn the unit over and support it on 2x4 pieces of wood so as not to put the entire weight of the unit on the 4 standoffs Remove 7 Phillips screws 2 from the lower back panel and 5 from the bottom panel Remove bottom panel Remove 2 screws from the top o
40. 5 minutes 5 The measured hysteresis must be between 1 5 cmH O and 4 5 cmH O record the value 152 Repeat procedure 3 times Compare the values from each test and the maximum variation from any reading shall be no more than 0 6 cmH O Note If the exhalation valve does not pass this test it will require replacement L1524 Rev D Avea ventilator system Chapter 7 Calibration Exhalation Valve Leak Test 1 2 3 Turn the unit OFF Attach breathing circuit and test lung to unit Turn unit ON and verify the following Audible alarm sounds SAFETY VALVE OPEN appears in the upper right of the UIM PATIENT SELECT screen appears Press PATIENT ACCEPT icon and verify the following The unit begins to deliver breaths Alarm at the upper right goes to YELLOW Press ALARM RESET button Set the unit as follows Mode Volume A C Adult Breath Rate 4 PEEP 30 Volume at 0 50 Peak Flow at 20 Press ADV SETTINGS button Press Flow Trigger Set Bias Flow to 4 Press ADV SETTINGS Observe the PAW wave form and allow the unit to cycle several times Ensure there is no auto cycle Press the Freeze button and scroll cursor across the blue exhalation portion of the waveform During the exhalation phase the PEEP level must be stable and 3 596 or 2 cm through out the expiratory phase L1524 Rev D 153 Chapter 7 Calibration Avea ventilator system Air O2 Regulator Differential Balance Calibration 1 2 3
41. 6 32 4 pin terminal block 0 375 ctr PIN 1 AC line Bus bar with 10 32 screw on high current models Pin 2 AC neutral Pins 1 and 2 V out Pin 3 AC ground Pins 3 and 4 Return 16A max recommended current per connector pin Signals J2 Amp PCB Header Mating connector Pin 1 DC Good Pin 2 Power fail Pin 3 Ext off Pin 4 Sense Pin 5 Sense Fan AMP PCB Header Maximum screw protrusion above chassis 0 120 Mating Connector Pin 1 Weight 2 9 165 1 32Kg max 2 1524 Rev D 71 Chapter 4 Assembly and Disassembly Avea ventilator system To Clear EPM Board From Workspace During Replacement Of Power Supply Compressor Fan 1 Remove the two Phillips screws that secure the EPM to the center bracket 2 Pull firmly straight up This action will release the EPM board from the mounting studs 3 Without disconnecting any tubes hoses or wires place the EPM board into an antistatic bag and set it out of the way of the compressor and power board Exhalation Valve P N 16319 Figure 4 13 Exhalation Valve and Flow Sensor Assembly 72 L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Removal Referring to the instructions in this chapter remove the following components UIM and the top cover Metal top cover Disconnect internal batteries Exhalation corner assembly Pull the locking shroud of the flow sensor connector back and disconnect the sensor from the chassis 3 Grasp the rubber elbow and
42. ASSEMBLY EXHALATION FLOW SENSOR ASSEMBLY Elbow orange EXTERNAL BATTERY 2 pack FAN CABLE ASSEMBLY FRONT INTERFACE PANEL PNEUMATIC MODULE GDE Cable assembly battery upgrade HEATER ASSEMBLY Bracket thermal fuse HELIOX SMART CONNECTOR DISS L1524 Rev D Part Number 51000 40728 51000 40748 16044 16045 33754 51000 40897 DISS P N 16131 NIST P N 16132 51000 40818 11524 51000 09750A 11372 33978 16179 33977 16217 51000 40848A 51000 40640 33987 50000 40035 22095 33985 16319A 51000 40023 51000 40525 16179 51000 40861 51000 40635 16222A 16243 51000 40824 22018 51000 40918 185 Chapter 10 Parts List 186 Description HELIOX 15 FT HOSE INFANT TEST LUNG INGMAR INTERNAL BATTERIES Fuse 10 amp slow blow Fuse holder A C NEBULIZER ASSEMBLY POWER DRIVER BOARD PCBA REV C POWER ENTRY MODULE POWER SUPPLY KIT Power supply Sense cable SECONDARY ALARM ASSEMBLY KIT STANDARD CART TCA BOARD PCBA Fuse TOP COVER MICROSWITCH TRANSITION BOARD WITH HARNESS UIM ARM ASSY FRONT COVER UIM ARM ASSY REAR COVER UIM DOMESTIC UIM INTERNATIONAL UIM MOUNTING ARM ASSEMBLY Avea ventilator system Part Number 50000 40042 34057 68339A 71690 68159 51000 40026 52290 51000 40827 16230A 16230 16366 16316 15986 51000 40310A 56000 20072 68294 16216 51000 40623 51000 40622 16259 CF 16702 16260 CF 16703 51000 40072 L1524 Rev D Avea ventilator system
43. Avea ventilator system Trans Com Alarm 14 5 5 7 gt VIASYS HCARE SCHEMATIC TRAN COM ALARM 222 L1524 Rev D Avea ventilator system Chapter 11 Appendices C8 OT RONETIS B b BACK Ad Ji CHRCK QA Go na Ge ESBZBR EVi TA OMEO FR IV 2 989898882 L1524 Rev D 223 Avea ventilator system L1524 Rev D E Beal 1METALL 8207 KANAL OPERART TON 206 4 3388833332358825 85 mud Reset Threshold Voltage 4 3V 3 1 8 Rn 1 alc 3 8 02 03 04 05 06 thie pare Le hiv Current usu Attert retium Vines Chapter 11 Appendices 224 Chapter 11 Appendices Avea ventilator system U41 48 50 55 69 are 49205 045 is TS924 1156 is LM348 the layouts for all of them were done using the LT1014 footprint une Dan 0 07 20 cat om ATKI ANALOG OUTPUTS usc LTYotOCW L1524 Rev D 225 Avea ventilator system Chapter 11 Appendices 1 5 to 1401 1 07cn 030 count U41 48 50 55 69 are OP49288 gt U45 is TS924 056 is LM34B the yr uiu me ac layouts for all of them were ms done using the 171014 preme mo atu 5 footprint LL e 5
44. Compressor with Connectors LA sro mu mvn 81402 B sess we wwo Lc 58439 __ ___ wo ju sen sa PEZ 2784 VIASYS HCARE Yo L1524 Rev D 220 Avea ventilator system Chapter 11 Appendices PCBA Supply Pressure reme REVISION HISTORY Rev scono __________ bame APPROVED DATE 57358 PRODRELEASEPERECO B sry PRODRELEASEPERECO PRESSURE E aa REQCI IDENTIFYING NO OR DESCRIPTION SPECIFICATION NO ___ PARTS LIST APPROVALS DATE UU Ru HALES ae MV NORTH pre SLANDAS LANDAS 9700 UNLESS OTHERWISE SPECIFIED A DIMENSIONS ARE IN INCHES 8 TOLERANCES 1 05 XX 02 ANG gc MACH SURFACES DR HEALTHCARE CRITICAL CARE DIVISION D CORNER FILLETS 8 RADE 006 010 DEBURR EDGES 005 020 RELEASED J NELSON SCHEMATIC F CHAMFER FIRST amp LAST THREADS BY 45 2 INTERPRET PER ANSI Y14 5M 1382 SOURCE PRESSURE 7 p GERD 51000 40362 TSHET v erica Eier Bie mee senc no ier L1524 Rev D 221 Chapter 11 Appendices
45. Dirty Exhalation diaphragm Bad expiratory valve Solution s 1 Change Replace sensor 2 Recalibrate 3 Check all internal external connections 1 Try different sensor 2 Check error log for specific transducer and Recalibrate Esoph Aux or Wye Transducers 3 Check internal connections Replace EPM if needed 1 Try different sensor 2 Check error log for specific transducer and recalibrate transducers 3 Check internal connections Replace EPM if needed Solution 1 Check all circuit connections Check filter assembly Check Replace exhalation diaphragm 2 Reset GDE 1 Check all circuit connections Check filter assembly Check Replace exhalation diaphragm 2 Re seat GDE Clean re seat diaphragm 1 Bypass filter and recheck Replace if necessary 2 Clean replace diaphragm Replace valve L1524 Rev D Avea ventilator system Table 9 6 Flow Sensors inc Wye Symptom Volumes become inaccurate over time No reading from external variable orifice sensor No reading from internal variable orifice sensor No reading from external heated wire sensor Volume reading above baseline on test lung Volume reading above below baseline on patient internal sensor L1524 Rev D 1 Foreign material on flow sensor 2 Expiratory or Wye flow out of calibration depending on sensor used 1 Sensor not active in certain modes 2 Loose external connection Bad Sensor 3 Loose internal connec
46. PAGE 2 SPECIFICATIONS TEMP RANGE 0 TO 50 C SUPPLY VOLTAGE 85 TO 264 VAL DRAWN 4 R VALDEZ 2 18 00 M SANELL 8 6 01 V lA SYS THIS DOCUMENT IS THE COPYRIGHTED PROPERTY OF VIASYS HEALTH CARE APPROVED CRITICAL CARE DIVISION AND MAY NOT BE REPRODUCED WITHOUT WRITTEI S LANDAS 8 6 01 H EA I T HCARE PERMISSION OR USED FOR OTHER THAN VIASYS HEALTH CARE CRITICAL RELEASED J NELSON 8 17 01 CRITICAL CARE DIVISION CARE DIVISION AUTHORIZED PURPOSES Purchase only from Approved Manufacturer List POWER SUPPLY 32 5V 7 Same part number 4 revision level 5 The information contained in this document was taken in A BWG NO part from the manufacturer s catalog and should be used for 68273 reference only Dimensions are in inches unless otherwise noted SCALE NONE SHEET 1 OF 2 Located in the MMS data base L1524 Rev D 232 Avea ventilator system Chapter 11 Appendices 0 900 122 88mm 2 620 166 55mml LU Z OPTIONAL FAN 8 00 1203 20mm INPUT OUTPUT TB2 6 32 3 PIN TERMINAL BLOCK 6 32 4 FIN TERMINAL BLOCK 0 375 9 53mmi CTR BUS BAR 10 32 SCREW PIN 1j AC LINE R 5 PIN 2 AC NEUTRAL HIGH CURRENT M PINS 1 2 PIN 3 AC GROUND PINS 3 4 RETURN SIGNALS J2 t MEN f AMP P C B HEADER P N 640456 5 EAN ARCET HUND CIENT EEY MANG RONNECTOR EIUMOD 3 MAX SCREW PROTRUSION ABOVE CHASSIS PIN 1 DC GODO 0 12t 3 5 P
47. Ready Adjusting Barometric Pressure for Altitude For ELAN UIMs the default setting for barometric pressure on Avea is 760 mm Hg For institutions at altitudes of 1000 feet or greater barometric pressure can be set by the operator see Table 11 1 Altitude to Barometric Pressure Conversion Open the screens menu by pressing the screen indicator on the touch screen or the SCREENS membrane button located to the left of the touch screen Select utility from the screens menu Press the touch screen button for barometric pressure and use the data dial to change the setting Once you have reached the desired barometric pressure setting press the ACCEPT membrane button adjacent to the data dial To close the utilities screen and return to the main screen press the screen indicator again and select MAIN from the menu or press the membrane button to the left of the touch screen labeled MAIN For Coldfire UIMs the barometric pressure is measured by an onboard pressure transducer and cannot be adjusted L1524 Rev D 253 Chapter 11 Appendices Avea ventilator system Below is a chart of approximate Barometric Pressure at varying altitude Table 11 1 Altitude to Barometric Pressure Conversion Altitude Barometric ft Pressure mm Hg 0 760 1000 733 2000 707 3000 681 4000 656 5000 632 6000 609 7000 588 8000 567 9000 545 Handbook of Chemistry and Physics 61st Edition 1980 1981 CR
48. Rev D 259 Chapter 11 Appendices Avea ventilator system 260 Warning Do not use as basis for changing ventilation parameters without reference to clinical condition and independent monitors such as blood gas CO Elimination VCO The amount of CO2 eliminated every minute This is calculated over each minute and then averaged over the set VCO2 averaging time Range 0 999 mL min Resolution 0 1 mL or three significant digits whichever is greater CO VtCO The amount of CO2 exhaled per breath VtCO2 is measured for each breath and then averaged over the set VCO2 Averaging time Range 0 299 mL Resolution 0 1 mL or three significant digits whichever is greater Anatomical Dead Space Vd ana The volume of dead space in the patient s airway Anatomical dead space is measured for each breath This value is averaged over the set VCO2 averaging time Range 0 999 mL Resolution 0 1 mL or three significant digits whichever is greater Anatomical Dead Space Tidal Volume Ratio Vd Vt ana Vd Vtana is averaged over the set VCO2 averaging time Range 0 99 Resolution 196 L1524 Rev D Avea ventilator system Chapter 11 Appendices Note Vd ana and Vd Vt ana require flow to be measured by a proximal flow sensor at the wye or circuit compliance compensation to be active If a proximal flow sensor or circuit compliance compensation are not used the Avea di
49. Table 10 1 Calibration Tool Kit Part No 03440 Description 1 4 silicone tubing 8F Catheter assembly Adult wye flow sensor Var Flex disposable Calibration syringe Connector aux port proximal Detail assy O reg adj tool Filter removal tool DISS air male Ftg Fem Elbow 12mm OD Ftg O x 9 16 male Luer lock male 1 16 dia RS232 printer cable for downloading software Tube ftg 1 8 to 1 16 dia reducer Tube ftg Tee 1 16 x 1 16 x 1 8 dia Tube Tee 1 16 x 1 18 x 1 18 dia Tubing poly 12mm OD In addition with comprehensive software you will need Esophageal catheter extension tube 10 pack Adult esophageal catheter 8F Pediatric esophageal catheter 6F 3 0 and high software rev you will need Tool Exhalation Valve Characterization For ETCO2 option you will need Barometric Port Calibration Assembly Calibration Gas Calibration Gas Regulator L1524 Rev D Part Number 54980 01903 3001083 51000 40094 51000 09558 51000 40096 51000 08258 21735 52000 00133 32002 52000 00132 52000 01205 71555 32040 32067 52000 01193 33980 50000 09920 7003100 and or 7003401 10136 769288 79043 79044 Chapter 10 Parts List 187 Chapter 10 Parts List Avea ventilator system Table 10 2 Preventive Maintenance Kits Description Part Number PREVENTIVE MAINTENANCE KIT WITHOUT COMPRESSOR Exhalation diaphragm Filter inlet tube PM requires 2 ea Filter fan b pa
50. Theory of Operation General Description Avea is a software driven servo controlled ventilator designed to meet the requirements of neonate to adult patients The design intent of the device is to provide a high performance software driven gas delivery engine which is capable of providing a full range of volume and pressure ventilation including dual limb NIPPV This affords the flexibility of developing new modes of ventilation with no impact to the basic gas delivery engine In addition the device will contain a graphical user interface GUI that utilizes a 12 1 inch SVGA color LCD screen with integral touch screen The GUI will be used to change settings and operating parameters as well as providing real time waveforms digital monitors and alarms The device also contains an internal battery that serves as a backup in case of loss of hospital AC power The Custom Cart may be equipped with tank holder external batteries and battery tray for use of the Avea during inter facility transport There are three models of Avea comprehensive plus and standard These are shown in table 2 1 based on the same basic platform Additional models may be developed in the future by adding or removing software and or hardware features to the existing platform The Avea is a fourth generation servo controlled software driven ventilator It has a dynamic range of breathing gas delivery that provides for neonatal through adult patients Its revolutionary user
51. Transfer menu click SendFile to open the Send File dialog box AVEA HyperTerminal Figure 6 3 5 Click the Browse button and navigate to and select one of the following files e Application 63703 X bin for DI command e Kernel Master 63704 X bin for D2 command e Kernel Slave 63705 X bin for D3 command L Send File Folder C upgrade Filename C upgrade 63703 A bin Protocol 1K Xmodem Figure 6 4 Note The X in the file name indicates the revision of the released software For example 63703 A bin is revision A L1524 Rev D 113 Chapter 6 Avea Software Upgrade Avea ventilator system 6 Under Protocol click the arrow button and select 1K Xmodem from the list and then click 114 the Send button 1K Xmodem file send for AVEA Sending C NupgradeN63703 A bin Packet 413 checking CRC Retries 0 Total retries 0 Last error File 405 of 2974K Elapsed 00 00 39 Remaining 00 04 07 Throughput 10633 cps Figure 6 5 AVEA HyperTerminal File Edi View Cal Transfer Help Avea Software Upgrade Utility Commands 01 download Application Kmodem download Kernel Master Xmodem download Kernel Slave V display version info 7 or Help display help Cycle power to exit gt 01 Erasing flash memory 100 Erase complete ert modem download now Xmodem download complete Writing flash memory Upgrade complete Select a
52. and schematics presented in this manual are for reference purposes only It is possible that later versions of these documents may become available after this manual print date CareFusion will provide upon request and to qualified persons any and all diagrams technical drawings and other information necessary to repair maintain or service the Avea Ventilator systems Contact CareFusion technical support or your local CareFusion representative for information Avea Schematics 51000 40652 LED BOARD 68273 POWER SUPPLY Avea Diagrams 51000 40431 PCBA EXHALATION FLOW TRANSITION 52331 PCBA BACKUP ALARM 51000 40841 TUBING DIAGRAM 51000 09742 PNEUMATIC DIAGRAM 21891 WIRING DIAGRAM 192 L1524 Rev D Avea ventilator system Chapter 11 Appendices LED Board Prev ORAFTwG seo RELEASE PER eco RJ HALES ww 9501 57359 PRODUCTION RELEASE PER ECO RJ HALES PART OR MATERIAL sead __ __ mo lt DASH NO PARTS LIST a DIMENSIONS ARE IN INCHES RJ HALES 82200 re has XE 05 CHECKED HEALTHCARE 32 NORTH CRITICAL CARE OI VISION C MACH SURFACES OR BETTER APPROVED CORNER FILLETS amp RADI 005 010 S LANDAS 97 01 E DEBURR EDGES 005 020 RELEASED CHAMFER FIRST amp LAST THREADS BY 45 J NELSON SCHEMATIC LED BOARD S SI
53. and the fan assembly on the inside using 1 screw to assist in positioning Secure both the fan cover and the fan assembly with 4 2 5 Phillips screws Connect the fan cable to the transition board wire harness Tuck the wire harness along side the fan between the fan and the outer wall of the unit Place the filter inside the filter cover so that the locking tabs face the chassis and snap the filter cover into place Referring to the instructions in this chapter reconnect the internal batteries and install the following components Metal top cover UIM L1524 Rev D 69 Chapter 4 Assembly and Disassembly Avea ventilator system Power Supply P N 16388 70 Gu m XOE e Removal Referring to the instructions in this chapter remove the following components UIM and the plastic cover Metal top cover Disconnect internal batteries Fan assembly EPM board and set aside according to the directions later in this chapter Compressor and compressor PCB Cut and remove all cable ties that secure the wire assemblies to the power shield Disconnect the 5 pin connector at J2 and note the orientation of the wires on the connector Note It is suggested to label the 3 wires coming from the 3 pin terminal block as neutral blue load brown and ground green and yellow as printed on the power supply circuit board Using a Phillips screwdriver loosen the screws of the terminal block that secures wires 1 and
54. baseline airway pressure PEEPaw times the change tidal volume to the patient AV during inspiration and normalized to the total inspiratory tidal volume If Paw gt PEEPaw Paw PEEPaw AV WOB Vii Range 0 00 to 20 00 Joules L Resolution 0 01 Joules L Accuracy 1096 Patient Work of Breathing WOB Normalized to Delivered Tidal Volume Patient Work of Breathing normalized to the total inspiratory tidal volume Patient work of breathing is defined as the summation of two work components work of the lung and work of the chest wall WOBp WOBcw where gt Pes and V gt 0 Testart Ve Ccw Work of the lung is calculated using esophageal pressure when the baseline esophageal pressure is greater than the esophageal pressure indicating patient effort Work of the chest wall WOBcw for a spontaneously breathing patient is calculated using only the portion of the total tidal volume delivered due to a patient effort and the chest wall compliance Ccw Range 0 00 to 20 00 Joules L Resolution 0 01 Joules L Accuracy 10 and WOBCW if PEEPes gt Pes Note Requires an esophageal balloon catheter L1524 Rev D Avea ventilator system Chapter 11 Appendices Imposed Work of Breathing Imposed Work of Breathing is defi
55. before you unpack the instrument Note Your Operator s Manual and other important literature are packed beneath the Avea Do not discard L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions 1 Remove all outer securing straps by cutting them Discard 2 Open the box and remove the top layer of packaging material Figure 3 31 3 Remove the Avea accessory box Place it on a secure surface Figure 3 32 4 remove the cardboard cover lift the box straight up Do not pull or tilt the cover until you are sure it has cleared the ventilator 5 Remove the protective packaging from the sides of the ventilator and carefully remove the plastic Figure 3 33 L1524 Rev D 45 Chapter 3 Installation Instructions Avea ventilator system 6 Apply the brakes on the cart that has been previously assembled by pressing down on the foot pedals Figure 3 34 7 With assistance lift the Avea from the box and carefully position the unit on the top plate assembly of the cart Secure the unit using the 4 thumbscrews Figure 3 35 and Figure 3 36 Figure 3 36 Note Make sure the external battery cable lays untwisted in the cable slot and emerges at the rear of the ventilator if applicable Note It is suggested that the 2 thumbscrews in the back of the ventilator be secured loosely followed by the 2 thumbscrews on the bottom front of the unit Tighten all 4 once all
56. bottom of the pneumatics Remove 2 Phillip 1 screws holding the shield Turn the plastic corner upside down Remove the heater assembly Installation When removing and installing the corner and heater assembly do not replace the plastic piece of the front panel or the bottom piece of the ventilator until corner heater assembly is in place Reinstall heater assembly into the shield using 4 Phillips 1 screws Turn the plastic corner back to its original position Attach corner with 2 screws Attach the front panel with 2 11 32 nuts on the bottom of the pneumatics Attach bottom cover Attach 2 Phillips screws to the front panel and the pneumatics Connect the 3 pin and 2 pin connectors Attach 2 11 32 nuts on back of front panel shielding Attach exhalation corner assembly L1524 Rev D 75 Chapter 4 Assembly and Disassembly Avea ventilator system 10 Replace the following components e Exhalation valve e Reconnect the internal batteries e Top metal cover e UIM and top plastic cover e Exhalation corner Microswitch Top Cover P N 68294 Figure 4 14 Top Cover Micro Switch Removal 1 Referring to the instructions in this chapter remove the following components e Exhalation Corner e UIM and the top plastic cover e Top Metal Cover Disconnect internal batteries 2 Remove attachment screws disconnect and lift off the micro switch Installation Reattach using screws provided Re connect the wiring
57. cord to an appropriate AC outlet Attach an appropriate size patient circuit and test lung to the ventilator Power up the ventilator and select NEW PATIENT when the Patient Select Screen appears and press PATIENT ACCEPT This will enable default settings for the Manual Alarms Test as shown in tables 5 2 5 3 5 4 5 5 and 5 6 Select the appropriate patient size for your test Adult Pediatric or Neonate from the Patient Size Select Screen and press SIZE ACCEPT Set Humidifier Active to off Make any desired changes or entries to the Ventilation Setup Screen and accept these by pressing SETUP ACCEPT Press Alarm Limits button on the upper right of the user interface Verify that no alarms are active and clear the alarm indicator by pressing the alarm reset button on the upper right of the user interface Set the 96 O control to 10096 Disconnect the Oxygen sensor from the back panel of the ventilator and verify that the Low O2alarm activates Return the control setting to 21 and remove sensor from back panel and reconnect the O sensor Provide blow by to the sensor from an external oxygen flow meter Verify that the High alarm activates Return the 96 O to 21 reconnect the Oxygen sensor to the back panel Clear all alarm messages by pressing the alarm reset button Set PEEP to 0 Set Low PEEP alarm to 0 Disconnect the patient wye from the test lung Verify that the Low Ppeak alarm activates followed by the Circuit D
58. delivering high pressure oxygen to the Air Regulator allowing the Air Regulator to supply regulated O pressure to pilot the O Relay In addition the Oxygen Blender simultaneously moves to the 10096 O position so that full flow to the patient is maintained In the event of an oxygen supply pressure drop below a pressure threshold the Crossover Solenoid stays closed the blender moves to 2196 O and the regulated air pressure provides air to the blending system Oxygen Blender The Blender receives the supply gases from the Inlet Pheumatics System and blends the two gases to the user selected value It consists of three sub systems valve stepper motor and drive electronics The Oxygen Blender PCB provides the electronics needed to control the Oxygen Blender stepper motor The stepper motor controls the oxygen blender and is stepped in 1 8 degree increments The Blender has a disk which is positioned during L1524 Rev D Avea ventilator system Chapter 2 Theory of Operation calibration One end of the disk will interrupt the optical interrupter when the valve position is closed and the other end will only interrupt in case the Blender goes approximately one full revolution due to loss of position An EEPROM will be used to store the number of steps required to travel from the home position to the full open position of the valve the PCB revision and manufacturing date Accumulator The Accumulator stores blended gas supplied from
59. delivery engine Failure to do so may result in damage to the connector and the unit may not power up or operate properly 12 Attach and secure the 4 SEMS screws on the four corners of the rear panel 13 Replace the hose from the gas delivery engine to the compressor filter L1524 Rev D 57 Chapter 4 Assembly and Disassembly Avea ventilator system 58 14 15 16 17 18 19 20 Connect yellow hose from the accumulator into the compression fitting Replace the metal stabilizer bracket and secure with a new tie wrap Tighten the 11 32 nut at bottom right and left of the Gas Delivery engine and tighten down Attach the UIM and HSSC Cable Perform and EST and Operational Verification Procedure as per the service manual Once all tests are preformed remove the UIM Reconnect the internal batteries Replace the following Metal cover Plastic Cover and UIM Exhalation Corner Assembly Note Perform the Extended Service Test EST once the unit is completely re assembled and prior to patient setup L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Ventilator Wheeled Base Removal Unscrew the 4 thumbscrews on the base to the ventilator body as shown in Figure 4 4 and detach from the wheeled base Figure 4 4 Wheeled base showing attachment points Installation Position the ventilator assembly onto the base by lining up the holes over the 4 spring loaded thumbscrews a
60. either regulated wall gas or an optional internal compressor The accumulator provides the capability to achieve volume capacity at relatively lower pressure resulting in lower system power requirements It stores blended gas during patient exhalation cycles which maximizes system efficiency The Accumulator gas pressure cycles between 3 and 11 PSIG depending on the Tidal Volume The system efficiency is improved because a smaller compressor can be used to meet Tidal Volume while the accumulator provides the extra gas needed to meet the patient s peak flow demand A 6 L MIN accumulator bleed orifice allows gas concentration in the accumulator to match the oxygen blender setting in a maximum time of 1 minute A pressure relief valve will provide protection from pressure exceeding 12 PSIG to the accumulator Flow Control System The Flow Control System provides the desired flow rate of gas to the patient Real time feedback from the Flow Sensor through the Control System provides flow correction in the Flow Control Valve The Flow Control System consists of a Proportional Voltage Servo Valve controlled by the real time measurement 2 ms of flow through a variable orifice Flow Sensor The variable orifice effect is created by a thin circular shaped piece of stainless steel that is mounted from an extended side in the flow stream The flow will bend the metal creating a variable orifice The flow proportional pressure drop is characterized and used for flo
61. fitting Completely remove the hose between the gas delivery engine assembly and the scroll pump compressor filter Squeeze to remove the two small ribbon cables near the front of the gas delivery engine assembly the 10 pin ribbon cable connector from the flow sensor assembly and the 20 pin ribbon cable connector from the front interface panel Caution Never pull on a cable during disconnection Damage to the connector wiring may result Always pull on the connector body to disconnect L1524 Rev D 53 Chapter 4 Assembly and Disassembly Avea ventilator system 13 14 15 54 Unscrew the luer lock fittings the clear tubing from F4 and the black striped tubing from G4 7 gt lt SS N 55521 Qus N N NA Z Side view UN Bottom Figure 4 1 G4 and F4 luer connections G4 high side of expiratory flow and expiratory pressure XDCR 3 and 2 Clear silicone tubing with black line Top goes to the expiratory flow sensor bulkhead Bottom goes to the expiratory manifold on the TCA F4 low side of expiratory flow Clear silicone tubing Top goes to the expiratory V sensor bulkhead Bottom goes to the expiratory manifold on the TCA E4 Yellow tubing Top inspiratory pressure line that goes to the SOPR manifold Bottom inspiratory pressure that goes to the transducer on the TCA XDCR 1 Disconnect the yellow bleed tubing from C4 by releasing the compression fitting as in Figure 4 2 Disconne
62. in place 46 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions Medical Gas Connector Kit Installation Instructions Air 5mart Connector Installation Instructions Refers to P N 51000 40897 Note If you have not ordered the Heliox option you will receive only the Air Smart connector and the appropriate air hose for your configuration The Air Smart connector comes pre assembled with the integral water trap filter as shown in Figure 3 37 It attaches to the fitting located to the left of the Oxygen cell on the rear panel of the Avea Caution Always consult your Operators Manual for instructions and clinical recommendations concerning the use of Avea accessories N 20 80 PSIG 138 552 qu Min Flow 80 L at 20 PSIG Figure 3 37 L1524 Rev D 47 Chapter 3 Installation Instructions Avea ventilator system 1 Carefully align and seat the smart connector pin and the gas fitting 2 Tighten the threaded collar on the Avea onto the male gas fitting of the smart connector assembly 2040 138 552 e in Flow BO LI Mn PSI Figure 3 38 3 Attach the Air hose appropriate for your gas configuration female DISS fitting is Shown here Figure 3 39 48 L1524 Rev D Avea ventilator system Service Manual Chapter4 Assembly and Disassembly General Instructions and Warnings After the removal and installation of major subassemblies a
63. interface module UIM provides maximum flexibility with simple operator interaction It has a flat panel color LCD with real time graphic displays and digital monitoring capabilities a touch screen for easy interaction membrane keys and a dial for changing settings and operating parameters A precision gas delivery engine with servo controlled active inhalation and exhalation improves performance over previous generations The Avea has been designed to function using most commonly available accessories It is easy to clean and its design does not allow liquids to pool on the casing reducing the likelihood of fluid leakage into the body of the ventilator L1524 Rev D 9 Chapter 2 Theory of Operation Avea ventilator system There are three models of Avea to choose from The Comprehensive Plus and the Standard The following matrix details the standard and optional functions available with each model Table 2 1 Functions and Accessories Modes Proximal Hot Wire Flow Sensing Synchronized Nebulizer 24 Hour Trending Internal Battery Full Color Graphics Display Loops and Waveforms Standard Cart Proximal Variable Orifice flow sensing Proximal Airway Pressure Monitoring Tracheal Pressure Monitoring Esophageal Pressure Balloon Internal Compressor Heliox Delivery Optional Functions and Accessories Custom Cart External Battery on custom cart only Gas Tank Holder on either cart Internal Compressor Hel
64. is a checklist ONLY Please refer to detailed Installation Assembly and OVP Instructions Unit Serial Number UIM Serial Number Hours Software Revision Other If any parts are missing contact CareFusion Customer Service at 1 800 231 2466 ASSEMBLY COMPLETED Stand Assembly External Battery Installation E Cylinder Bracket Assembly Unpacking and Mounting the Avea Installation of Medical Gas Connector s Exhalation Filter and Water Trap Assembly TESTS User Verification Tests UVT POST Test Extended Systems Test EST FAIL Manual Alarms Testing Adult Pediatric Infant VT Accuracy Verification UIM User Interface Module Membrane Switch Tests Compressor Check Power Indicators and Charging Verification Battery Test Battery Run Procedure Battery Performance Verification Air Oxygen Inlet Pressure Verification Breath Rate Verification Blending Accuracy Verification PEEP Verification Warning Verification Testing should always be done off patient Checklist completed by Signature Title Facility L1524 Rev D 109 Chapter 5 Operational Verification Procedure OVP Avea ventilator system 110 L1524 Rev D Avea ventilator system Service Manual Chapter 6 Aveq Software Upgrade Note Avea has two different UIM options ELAN and Coldfire Each UIM has a different software revision Before upgrading the software verify the type of installed UIM Coldfire Software Upgrade Dir
65. loop flow control servo and the 2 msec closed loop exhalation valve control servo The monitor micro controller manages the GUI and performs all user input and output including the RS 232 ports printer port video out and MIB port The two processors communicate with each other via a dual port RAM The control processor communicates with the pneumatics module via a high speed serial channel HSSC 4 Mbits sec Each processor has 8 Mbytes of DRAM and one Mbyte of flash memory for program storage In addition the monitor circuitry also has a second one Mbyte of flash memory for saving control settings and trended data for clinical parameters The control PCB also contains a DC to DC converter to regulate the incoming 24 VDC to the voltages used by the UIM Finally the control PCB also contains all of the circuitry necessary to scan the membrane panels touch screen and optical encoder as well as the video controller necessary to drive the SVGA LCD screen Pneumatics Module The pneumatics module PM consists of a power supply system including internal NiMH batteries a transducer communication alarm PCB TCA PCB the pneumatics a heated expiratory system a fan an optional internal compressor a built in nebulizer system and an audible alarm The PM communicates with the UIM User Interface Module via the HSSC described above L1524 Rev D 15 Chapter 2 Theory of Operation Avea ventilator system 16 User Interface Module
66. package of 10 Description Adult esophageal catheter 8 FR Bicore accessories kit Esophageal catheter extension tube Pediatric esophageal catheter 6 FR Tracheal catheter 5 FR Disposable Tracheal catheter adapter Tracheal catheter extension tube L1524 Rev D Part Number 7003100 16401 50000 09920 7003401 10635 50000 40034 50000 40040 Chapter 10 Parts List 189 Chapter 10 Parts List Avea ventilator system Table 10 6 Product Literature Description Part Number Modes Book L2190 Operator s Manual ENG L1523 Quick Tips Card adult L2290 Quick Tips Card infant L2291 User s Guide ENG L2042 190 L1524 Rev D Avea ventilator system Service Manual Chapter 11 Appendices Contact and Ordering Information How to Call for Service To get help on performing any of the preventive maintenance routines or to request service on your ventilator contact CareFusion Customer Care Technical Service Hours 6 30 A M to 4 30 P M PST Monday through Friday Phone 800 231 2466 Fax 714 283 8471 CareFusion Customer Care Helpline Hours 24 hours seven days a week Phone 800 231 2466 From within the US Ordering Parts To obtain Avea Ventilator parts contact customer service at Phone 800 231 2466 Fax 714 283 8473 or 714 283 8493 Hours 7 00 A M to 3 30 P M PST Monday through Friday L1524 Rev D 191 Chapter 11 Appendices Diagrams and Schematics Avea ventilator system The drawings
67. port on the front of the unit as in Figure 7 16 4 Using the calibration syringe slowly apply negative pressure 40 cmH O turn counter clockwise for negative pressure 5 Referto the reading on the calibrated pressure manometer When the correct reading of 40 cmH O is obtained press the corresponding icon 6 For positive pressure turn the syringe handle clock wise until a reading of 75 is obtained press the corresponding icon 7 Press EXIT 8 Remove calibration set up from Aux connector L1524 Rev D 141 Chapter 7 Calibration Avea ventilator system To E Em Figure 7 16 Expiratory Pressure 1 From the Calibration Screen press EXP PRES to access the calibration screen EXP PRES a Push to 40 0 lt 75 cmH20 cmH20 cmH20 Stored Figure 7 17 Expiratory Pressure calibration screen 2 Remove the expiratory flow sensor connector see Figure 7 19 Caution The expiratory sensor connector has a locking sleeve Be sure to fully retract the sleeve before attempting to attach the connector Failure to do so could damage the connector 3 With nothing attached to the expiratory flow sensor port press the zero 0 cmH O button for a zero calibration value 142 L1524 Rev D Avea ventilator system Chapter 7 Calibration 4 Attach the calibration set up as in Figure 7 18 to the expiratory flow sensor port located in Figure 7 19 Attach to the expiratory sensor
68. removed to prevent injury and or damage to the Avea Ventilator System Note Prior to complete reassembly UIM may be temporarily installed for testing and calibration Remove UIM Remove Metal Shield Cover and set aside Remove wires 14 and 63 from the fuse holder Using an 11 32 nut driver remove the 3 Kep nuts securing the battery to the chassis If necessary remove the fuse holder from the chassis Cut cable ties securing the battery connector and disconnect the battery Carefully remove battery pack from the unit and set aside Remove pneumatic module from the stand Turn the unit over and support it on 2x4 pieces of wood so as not to put the entire weight of the unit on the 4 standoffs Remove the 5 screws from the base assembly and the 2 screws from the back panel Remove base plate and set aside L1524 Rev D 83 Chapter 4 Assembly and Disassembly Avea ventilator system 11 12 13 14 15 17 18 19 20 21 22 23 24 25 26 84 Cut the cable tie that secures the wires and the blue tube to the nebulizer block Move wires and tube out of the way for the secondary alarm installation Remove the cable tie bridge from the nebulizer block and discard Using an 11 32 nut driver loosen the 2 Kep nuts securing the speaker alarm Using an 11 32 nut driver loosen the 1 Kep nuts securing the metal front plate this is the plate that has the battery LED s Disconnect the blue t
69. section Updated the Gas Delivery Engine Removal procedure Updated the fuse specifications Updated the Compressor Scroll Pump section Changed the part number of the Enhanced Patient Monitor board Added the fan assembly and power supply part numbers Added part numbers to step 1 of the removal procedure Changed step 5 of the Installation procedure to include the part number Added references to PSI to the Setup procedure Service Manual Date March 2010 Revision Avea ventilator system Changes Updated the Manual Alarms Testing section Added two steps to the Testing Guidelines section Added step 22 to the Membrane Switch test Op Verification Checklist Updated the Checkout Sheet Replaced figure A 1 Updated the MIB Connection section Added the Blender Bleed section Added the Sound Levels section Updated the Water Trap section Updated the Message Bar Text table Added the Monitor Ranges and Accuracies table Added the Sensor Specifications and Circuit Resistance table Added the Hot Wire Flow Sensor Specifications table Added the Circuit Resistance section Clarified component removal directions compressor fan power supply Corrected the heater removal assembly instructions Clarified the OVP tests Clarified VT accuracy verification directions Corrected the battery charge indicator specifications Added Battery Performance Verification to the OVP checklist Clarified the software upgrad
70. source but does not AC Line Voltage switch is set to power source Insure that the voltage power up the wrong voltage setting of the ventilator matches the voltage of your power source Check the fuse assembly if the ventilator still does not power up Contact your CareFusion Certified Service Technician Ventilator attached to If the external source is a Plug the ventilator into a known good alternate external DC battery the battery may notbe AC source or to a known good battery power source but does not charged and see if it powers up power up L1524 Rev D 171 Chapter 9 Troubleshooting 172 If a Vent Inop alarm occurs Compressor Rotor Locked Pneumatics Module FTC Pneumatics Module FTC Compressor Output Low Compressor Rotor Locked Pneumatics Module FTC Pneumatics Module FTC Bad Cal FCV Pneumatics Module FTC Bad Cal FCV Pneumatics Module FTC Pneumatics Module FTC Exp Temperature Error Pneumatics Module FTC Figure 9 1 Error log Control Monitor 8 22 12 13 1404EA2 Protection Fault oo Figure 9 2 Exception Log Avea ventilator system Remove the ventilator from service and contact CareFusion Technical Support You may be asked to check the error log To do this power up the ventilator with the SETUP key depressed When the SERVICE FUNCTIONS screen appears press ERROR LOG The following screen appears listing all error codes chronologically with the latest occurring at the
71. steel that is mounted on a hinge in the flow stream from an extended side As flow increases and decreases the hinged flap creates the variable orifice effect The pressure drop across the orifice is measured by a pressure transducer on the TCA and converted to flow by the software in the control micro controller As stated earlier the exhalation valve is a voice coil with a diaphragm The exhalation valve controls circuit pressure permits only one way flow and provides pressure relief above a set level during inspiration The exhalation valve is controlled with a closed loop servo contained in the control micro controller and is updated every 2 msec The water collector stores water that condenses in the expiratory limb of the patient circuit protecting the filter and exhalation valve system The water collector consists of a vial and an inlet and outlet shaped fitting A male 22 mm outside taper 15mm inside taper connector is provided for the patient circuit connection and a 22 mm female connector is used for the heated filter The bacteria filter removes particles from the gas that exceed in size The excess water drains into the water collector reducing the risk of contamination of the exhalation valve system Warm heated air flows past the outside surface of the filter reducing condensation in the filter The filter is an off the shelf purchased part L1524 Rev D Avea ventilator system Chapter 2 Theory of Operation Fan
72. the driver transition board Disconnect the tubing from the solenoid drain panel Remove the 4 11 32 KEPS nuts one from each corner S e M o Remove the accumulator twisting to carefully remove the gas delivery engine supply tubing out of the slot on the bottom left of the chassis Installation 1 Rotate the supply tube to the gas delivery engine into the slot on the bottom left of the chassis 2 Position the accumulator by sliding the two notches over the threaded studs at the bottom and seating the top onto the two mounting studs 3 Secure the accumulator with 4 11 32 KEPS nuts one on each corner 4 Connectthe tubing to the solenoid drain panel 5 Connect the solenoid cable to the driver transition board 82 L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Referring to the instructions in this chapter install the following components Speaker Front panel Nebulizer Bottom cover Ventilator assembly onto the base Gas delivery engine assembly Reconnect internal batteries Metal top cover UIM and the top plastic cover Exhalation corner assembly Secondary Alarm Installation Kit P N 16316 OYY SR OM qe gt 9 10 The purpose of the secondary back up alarm is to sound when a ventilator inop occurs and the secondary alarm electronics detects the primary alarm is not functioning Warning Always disconnect the white battery quick disconnect once the top cover is
73. to the Buyer for loss of profits loss of use consequential damage or damages of any kind based upon a claim for breach of warranty other than the purchase price of any defective product covered hereunder The Company warranties as herein and above set forth shall not be enlarged diminished or affected by and no obligation or liability shall arise or grow out of the rendering of technical advice or service by the Company or its agents in connection with the Buyer s order of the products furnished hereunder L1524 Rev D Avea ventilator system Service Manual Limitation of Liabilities This warranty does not cover normal maintenance such as cleaning adjustment or lubrication and updating of equipment parts This warranty shall be void and shall not apply if the equipment is used with accessories or parts not manufactured by the Company or authorized for use in writing by the Company or if the equipment is not maintained in accordance with the prescribed schedule of maintenance The warranty stated above shall extend for a period of TWO 2 years from date of shipment or 16 000 hours of use whichever occurs first with the following exceptions e Components for monitoring of physical variables such as temperature pressure or flow are warranted for ninety 90 days from date of receipt e Elastomeric components and other parts or components subject to deterioration over which the Company has no control are warranted for sixty 60 d
74. when the flow sensor wire is broken The Flow Sensor EEPROM is SPI bus compatible and is read at power up and when a Flow Sensor is connected The air inlet fitting contains a resistor for determining which gas source is connected to the Air inlet Air 5K ohm or Heliox 10K ohm The type of gas connected is determined with a resistor divider one half of the divider is contained in a connector and the other half is located on the The resistor contained in the connector is different for each gas source and therefore produces a different voltage output from the divider The output of the divider is read via an ADC Inspiratory and expiratory pressure transducers and associated signal conditioning are digitized on the TCA PCB The control processor reads the digitized data via the HSSC The air oxygen and blended gas pressure transducers and associated signal conditioning are on separate PCBs for ease of mounting The amplified signals are cabled to the TCA where they are digitized and communicated to the control processor via the HSSC Exhaled flow is measured with a VARFLEX Exhaled Flow Sensor The VARFLEX Flow Sensor uses a variable orifice with pressure taps on either side of the orifice The TCA uses a low pressure pressure transducer and analog circuitry to measure the flow proportional pressure drop across the orifice Integrated circuit temperature sensors are signal conditioned and digitized by the TCA electronics The exhalatio
75. wire that was folded so that they are now even in length Cut a piece of heat shrink tube that has been supplied to 1 inch in length Slide both purple wires that have been folded and cut into the heat shrink tube Ensure that both wires are inside the heat shrink tube and that neither wire is Showing through the end of the heat shrink tube Using a heat gun or equivalent device warm the heat shrink tube until it shrinks tight to the 2 purple wires that have been cut and folded previously L1524 Rev D 55 Chapter 4 Assembly and Disassembly Avea ventilator system 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 56 Locate the Compressor power board located next to the compressor pump Remove the one 11 32 nut securing the ground wire from the compressor power board Remove the 2 11 32 nuts securing the compressor power board to the unit case Raise the compressor board up and away from the unit enough to allow disconnection of the 2 wire harnesses Cut the ground wire 1 inch from the compressor power board Fold back onto itself the cut wire 1 4 inch that is attached to the Compressor Board Cut a piece of heat shrink tube that has been supplied to 1 inch in length Slide the wire that has been folded and cut into the heat shrink tube Using a heat gun or equivalent device warm the heat shrink tube until it shrinks tight to the wire that was cut a
76. zero drift for the pressure transducer and 2 for temperature and humidity variations The sensor must be corrected for barometric pressure and oxygen concentration Frequency Response is signal attenuation to 0 707 input and assumes 100 Hz sample rate L1524 Rev D 263 Chapter 11 Appendices Hot Wire Flow Sensor Specifications Table 11 3 Hot Wire Flow Sensor 264 Part Number 51000 40081 Type Multiple use heated wire Circuit Location Wye Performance Specifications Flow Range 0 0 002 to 30 L min Vol Accuracy 10 Flow Resistance 15 cmH O at 20 L min Dead Space 0 8 mL Freq Response 16Hz Calibration 36 point curve Linearity 296 Operating Temperature 5 to 40 C Physical Specifications Sensor length 1 68 Diameter Insp Vent Side 15 mm OD Diameter Exp Patient Side 15 mm OD Tube length NA Connector Pin and Socket type Weight 10g not including wire Service Life 25 cycles Sterilization Steam Autoclave Materials Sensor Delrin Wire Platinum Screen Stainless Steel 304 or 316 Pin PhBz gold over nickel plated Spacer Delrin Avea ventilator system L1524 Rev D Avea ventilator system Chapter 11 Appendices Circuit Resistance per EN794 1 It is important to check the inspiratory and expiratory resistance specification of patient circuits used with the Avea to ens
77. 0 L min All patients Chapter 11 Appendices ACCURACY 1096 of setting or 0 2 L min 1096 of setting whichever is greater The ratio of the tidal volume exhaled to the Delta Esophageal Pressure dP s Requires esophageal balloon 0 to 300 mL cmH O 10 The ratio of the tidal volume exhaled to the delta transpulmonary pressure The delta transpulmonary pressure is the difference between the airway plateau pressure during an inspiratory pause and esophageal pressure at the time the airway plateau pressure is measured minus the difference between the airway and esophageal baseline pressures Requires an inspiratory hold and esophageal balloon 0 to 300 mL cmH O 10 C gt C The ratio of the dynamic compliance during the last 20 of inspiration to the total dynamic compliance 0 00 to 5 00 10 The total resistance during the inspiratory phase of a breath Respiratory System Resistance is the ratio of the airway pressure differential peak plateau to the inspiratory flow 12 ms prior to the end of inspiration Requires an inspiratory hold 0 to 100 cmH O L sec 10 Rpeak The Peak Expiratory Resistance is defined as the resistance at the time of the Peak Expiratory Flow PEFR 0 0 to 100 0 cmH O L sec 10 Rime The airway resistance between the wye of the patient circuit and the tracheal senso
78. 1000 40312 jaa mex 19 1524 Rev D 226 Avea ventilator system Chapter 11 Appendices U41 48 SU 55 69 are OP492GS 045 is 18924 U56 is LM34B the layouts for all of them were done using the LT1014 footprint ANEU OK RNET20 gj 89985886 ANSO RNO LOK ANE ZN TOK RNET SO AD TOK RNETAY 9 98598588 Fan An TV ANTE TOK ANE TO man Inicie Tan 10K RNETA0 mi ANETA HK FINE T2 T0K JHET20 FN TOK RNETIO Se war am 4 clone 51000 40312 0 733 oven 91000 9 4 tert 2277 sw Pons omms 11524 Rev D 227 Avea ventilator system L1524 Rev D AU 145 AJF 1 2 4 5 7 u 24 Ce Cim cjm Za cus See cu cul PWR DRIVER PCB OVHORT Pover oe gt Pin 1 here goes to Pin 80 on Pwr U41 48 50 55 69 OP4A92GS 145 is 5924 U56 is LM348 the layouts for all of them were done using the LT1014 footprint HOUR METER Chapter 11 Appendices 228 Avea ventilator system Chapter 11 Appendices 823833592aya5 Pin 1 here goes Pin 30 on INSP using which has contacts on the SAME side TO INSP 5s2ssssail2si
79. 15 L LCD 14 LED 15 light emitting diodes 15 liquid crystal display 14 M maintenance schedule preventive 161 mandatory tidal volume 255 adjusted for patient weight 255 manual alarms testing 95 276 Avea ventilator system mean inspiratory pressure 256 medical gas connector kit installing 47 membrane panel 14 message bar text 252 messages error log 174 metal cart assembling 31 metal top cover assembling and disassembling 52 microswitch removing and installing 76 minute volume 255 adjusted for patient weight 255 monitor CPU 15 MRI v N nebulizer assembly removing and installing 80 nebulizer system 21 O O2 and Air Heliox filters replacing 163 Operational Verification Procedure OVP 91 operational verification test 171 optical encoder 15 ordering parts 191 over pressure system 19 oxygen blender 18 oxygen inlet pressure 256 P panel membrane 14 parts replaced annually 161 parts list of 185 patient effort 273 peak expiratory flow rate 257 peak inspiratory flow rate 256 peak inspiratory pressure 256 PEEP 256 272 273 PEEP verifying 108 percent leakage 255 percentage of oxygen 256 plastic cart assembling 36 plateau pressure 256 pneumatics module 15 pneumatics module block diagram 16 positive end expiratory pressure 256 POST test 92 power indicators and charging verification 105 power supply 16 removing and installing 70 specification
80. 2 Replace sensor cable 3 Replace TCA board GDE 180 L1524 Rev D Avea ventilator system Table 9 9 Pneumatic System Chapter 9 Troubleshooting Check error log and exceptions with any Device Error or Inop condition to diagnose component Air Pressure PCB Vent Inop communications failure Incorrect pressure reading O Pressure PCB Vent Inop communications failure Incorrect pressure reading Blended Gas PCB Vent Inop communications failure Incorrect pressure reading Blender Vent Inop L1524 Rev D 1 Bad connections cable 2 EPROM failure 3 Incorrect calibration 1 Bad Transducer 2 Incorrect calibration 1 Bad connections cable 2 EPROM failure 3 Incorrect calibration 1 Bad Transducer 2 Incorrect calibration 1 Bad connections cable 2 EPROM failure 3 Incorrect calibration 1 Bad Transducer 2 Incorrect calibration 1 Bad connections cable 2 EPROM failure 3 Incorrect calibration 1 Check connections replace cable 2 Replace Air PCB recalibrate transducer 3 Recalibrate transducer 1 Replace Air PCB recalibrate transducer 2 Recalibrate transducer 1 Check connections replace cable 2 Replace O PCB recalibrate transducer 3 Recalibrate transducer 1 Replace PCB 2 Recalibrate transducer 1 Check connections replace cable 2 Replace Blended Gas PCB recalibrate 3 Recalibrate transducer 1 Replace Ble
81. 2 CareFusion Avea ventilator system Service manual Service Manual Avea ventilator system This document is protected by United States and International Copyright laws This document may not be copied reproduced translated stored in a retrieval system transmitted in any form or reduced to any electronic medium or machine readable form in whole or in part without the written permission of CareFusion Information in this document is subject to change without notice This document is for informational purposes only and should not be considered as replacing or supplementing the terms and conditions of the License Agreement O 2010 CareFusion Corporation or one of its subsidiaries rights reserved Avea ventilator system is a registered trademark of CareFusion Corporation or one of its subsidiaries All other trademarks are property of their respective owners USA Authorized European Representative CareFusion CareFusion Germany 234 GmbH 22745 Savi Ranch Parkway Leibnizstrasse 7 Yorba Linda California 92887 4668 97204 Hoechberg Germany District Court Wuerzburg HRB7004 800 231 2466 tel 49 931 4972 0 tel 1 714 283 2228 tel 49 931 4972 423 fax 1 714 283 8493 fax carefusion com 0086 Literature number L1524 Revision D ii L1524 Rev D Avea ventilator system Revision History Date Revision August 2002 July 2003 January 2006 C L1524 Rev D Service Manual Changes Released Engineering Document Contro
82. 3 FITTING PLUG IN ELBOW TA 32082 COMPREHENSIVE ONLY 1 AX BRAIDED SLEEVING AUX 1340022 t a H A ORIFICE 08171 WYE FLOW A SPRING 31018 SENSOR NEBUL IZER PORT INTERFACE T MA EXP 50 MANIFOLO SERVIC PORTS EXHALAT ON FLOW SENSOR E cum Trevir incre 7 E or wo REV NO E 58243 REVISED FCO 58403 REVISED PER ECO 6 58541 REVISED PER ECO 58445 REVISED PER ECO 58535 REVISED PER ECO TRO Pw 120 ununi ai NEN A perro E 2 Op BLENDER MANIFOLD OXYGEN pom HI FLOW CONTROL ro OUTLET GAS DELIVERY ENGINE ACCUMULATOR DUMP VALVE A A DIMENSIONS INCHES 177 SYS T mdi FE LN HCARE Y ox o gk 12 01 01 BLEED VALVE CI PLUG PORT ka tries ooa xurek KS TIT M CEGIELSKI 12 07 01 MACHINED SURFACES S or arms LOGES 005 000 TUBING DIAGRAM gt E i erin UBER 51000 40841 Iz wa M WILLIAMS 12 12 01 feue wont coor Chapter 11 Appendices 236 Avea ventilator system Chapter 11 Appendices Pneumatic Diagram 8 7 6 5 4 3 2 L x L fon brace Tae virt
83. 4 GROUND TO PANEL GROUND PLANE NOTES UNLESS OTHERWISE SPECIFIED REVISION STATUS CHANGES TO THIS DRAWING MUST BE REFLECTED ON DRAWING 50570 2 J CONTACTS 3 4 NORMALLY OPEN CLOSE ON ALARM INOP OR SHUTDOWN JI CONTACTS 2 5 NORMALLY CLOSED OPEN ON ALARM INOP OR SHUTDOWN E e gt axes NOMENCLATUNE OP CESCRIPTION ram M ETE SEYA E LS EG Im 1 CALL REV 7 Yena PER et v DL cowcowewr evict 0 e om we m nees RACE ASLE senta 1 Lor wo SCALE NONE o SHEET OF 8 7 6 5 AN 4 3 2 1524 Rev D 200 Avea ventilator system Chapter 11 Appendices Control PCBA 32 Bit seers FuOT RELEASE PER ECO 52603 se so PROOUCTIONRELEASEPERECO nin we 21703 TES wm 1964 CONTROL CPU BYPASSING c3 0 1 O0 01uF MONITOR CPU BYPASSING C49 50 27 cav c3 c36 0 1uF 0 01uF 0 001uP eu 1 47 1 SCHEMATIC CONTROL 32 BI CHAMFER FIRST 4 LAST THREADS BY re rea we aet E e Note 500 series numbers ar e not populated in production ERJ m nn NN e aE eee scars SHEET 1 0610 1524 Rev D 201 Avea ventilator system Chapter 11 Appendices Rl 4 75
84. A 40 cfm fan runs at all times to keep the internal temperature of the pneumatics module as close to ambient as possible In addition the fan forces flow out past the expiratory filter A heater heats the gas as it exits in order to heat the filter as described above Compressor System Optional The Compressor System provides 3 to 9 5 PSIG air pressure to the system when wall air is not available The Compressor has two opposing machined aluminum involutes that are called Scrolls One scroll orbits a fixed scroll forming air pockets that get progressively smaller as they travel from the outer to inner regions of the involute compressing the gas The shaft rotation from a brushless DC motor powers the orbiting scroll within the fixed scroll through an eccentric shaft It operates at 800 to 3 000 RPM using about 100 watts at 24 VDC A Pressure Servo improves power efficiency and noise by matching ventilator demand with supplied compressed air While the accumulator is the device which handles the peak flow demand the servo operates the compressor at a level which matches the minute ventilation of the patient Nebulizer System The Nebulizer system provides a 10 PSIG source of blended gas for an external nebulizer The gas will only be delivered during the inspiratory cycle of a breath so that the delivery of nebulized gas will be synchronized with the patient s breathing Most manufacturers nebulizers draw between 4 and 8 L MIN at 10 PSIG The Nebu
85. ALIBRATION r PRESSURE TRANSDUCERS 34 INSP EXP 02 INLET 02 PRES PRES PRES SENSOR AUX AIR INLET 02 PRES PRES BLENDER EXP BLENDED COM FLOW GAS PRES PRESSOR BARO BARO MANF CAL FIELD CAL Figure 7 38 Calibration screen 156 L1524 Rev D Avea ventilator system Chapter 7 Calibration 3 From the Calibration Screen press the Baro Manf Cal icon to access barometric pressure screen Barometric Pressure A LEN Push to 8 15 Cal psig psig Figure 7 39 Barometric Pressure screen 4 Attach calibration assembly to Barometric Sensor Port on bottom of UIM using P N 769288 eq aS SaO gt 5 RS232 MiB Barometric sensor port Figure 7 40 Barometric sensor port on the UIM 5 Using the calibration syringe apply 8 psi to the port refer to reading on calibrated Pressure Manometer when it measures 8 psi press the corresponding icon 6 Apply 15 psi to the port according to the Pressure Manometer press the corresponding icon Press Exit 8 Disconnect calibration set up from Barometric Sensor Port Caution Remove P N 769288 carefully from port to prevent connector from breaking off inside the barometric port and causing damage to the Avea L1524 Rev D 157 Chapter 7 Calibration Avea ventilator system Field Barometric Calibration 1 From Calibration Screen press the Field Baro Cal icon to access Field Calibration screen Field Calibration an mmHg En
86. AWAZ FAWPURGE ESOFILL SV ESOEVAC SV EPMSPARE SV2 EPMSPARE 5 3 EPMSPARE 54 EPMSPARE SV5 016 021 022 013 014933 1014933 014933 014933 01 4933 014933 014933 015 D20 d D14 D23 DL4933 FAWAZ ESOFILL 5 ESOEVAC SV EPMSPARE_SV2 EPMSPARE SV3 EPMSPARE SV4 FAWPURGE 1 EPMSPARE 5 5 ESOISO SV 05 MTD3055VL FAWAZ os MTD3055VL FAWPURGE or MTD3055VL ESOFILL SV H ESOEVAC_SV ESOISO SV C PauxPURGE SV lt lt EPMSPARE_SV2 K__ j EPMSPARE SV3 EPMSPARE SV4 EPMSPARE_SVS lt ___ FAWPURGE AWPURGE ji 1 2 3 4 5 6 7 8 ESQ 108 24 G S ESOEVAC SV SOEVAC SV ESOFILL SV ESQ 108 24 G S MTD3055VL Q12 MTD3055VL Q13 MTD3055VL Q14 MTD3055VL Q15 MTD3055VL Chapter 11 Appendices 199 Avea ventilator system Chapter 11 Appendices Patient Assist Call REL PER ECO 53205 REVISED PER ECO 5568 J2 PIN HEADER 5 5 POL MTA IOO 7 640456 4 70033 MTG HOLE GROUND TO PANEL JI MODULAR JACK 6 POSITION 6 CONTACT CENTER LATCH TOP ENTRY 520258 3 MOLEX 95022 2687 70246 LI AERA BEAD N V4 VARISTOR B VARISTOR 820V NOM 820V NOM B 5 RMS 5 0V RMS Le 680V DC 680V DC MTG HOLE 100821 10082 6816
87. Avea ventilator system Table 9 10 UIM Control System 1 Disconnected wire on Symptom Unit continues to run after being switched off No power to unit and UIM Unit powers on UIM doesn t Membrane buttons not working Touch screen not working No priority LED s Optical Encoder knob inoperable No sound with alarms L1524 Rev D on off switch 2 Bad on off switch Fuse power supply problem 1 Damaged disconnected cable Ext Int 2 Bad Backlight Inverter 3 Faulty bad fuse on TCA 4 Bad TCA Board 5 Power supply voltage drops w load 1 Screen lock button active 2 Loose connections bad cable 3 Defective membrane switch assembly 1 Loose internal connection 2 Defective touch pad Bad LED PCB Bad Optical Encoder 1 Speaker wire loose disconnected 2 Bad speaker 3 Bad TCA Chapter 9 Troubleshooting 1 Check wiring in GDE 2 Replace switch See Battery Power supply section 1 Check replace all external and internal cables connections 2 Replace UIM 3 Replace fuse 4 Replace TCA GDE 5 Replace Power Supply 1 Unlock screen 2 Check all cables connections 3 Replace switch assembly UIM 1 Check all internal cables connections 2 Replace touch pad UIM Replace UIM Replace Optical Encoder 1 Check wiring to speaker 2 Replace speaker 3 Replace TCA board GDE 183 Chapter 9 Troubleshooting Table 9 11 ETCO Symptom
88. BE 0 003 AFTER PLATING 6 NON PLATED HOLES MAY BE USED AS TOOLING POINTS 7 BOARD SUPPLIER S NAME TRADEMARK ULL RECOGNITION CODE AND TYPE DESIGNATION TO BE ETCHED ONTO SECONDARY SIDE OF BOARD MINIMUM CONDUCTOR WIDTH 0 007 MINIMUM CONDUCTOR SPACING 0 010 COPPER CIRCUITRY THICKNESS SHALL BE PLATED UP TO THE FOLLOWING DIMENSIONS OUTER LAYERS 0 0014 MIN PLATED THRU HOLES 0 0014 MIN APPLY GREEN LPI SOLDER MASK CONFORMING TO IPC SM 840 CLASS 3 OVER COPPER ONTO BOTH SIDES BOARD USING APPROPRIATE ARTWORK EXPOSED CIRCUITRY TO BE SOLOER COATED AND HOT AIR SOLDER LEVELED SILKSCREEN LEGEND ONTO PRIMARY SECONDARY SIDE OF BOARD USING WHITE EPOXY BASED PAINT OR INK AND APPROPRIATE ARTWORK BOARD TO BE FREE OF FRAYED OR SHARP EDGES AND ALL TRIM LINES ARE TO BE REMOVED ACCEPTANCE CRITERIA SHALL BE AS DEFINED IN IPC A 500 CLASS 3 FOR 3 PRINTED BOARDS THE FINISHED BOARD SHALL COMPLY WITH U L STANDARD 796 AND HAVE A FLAMMABILITY RATING OF 94 0 OR BETTER REVISION STATUS CHANGES TO THIS DRAWING MUST BE REFLECTED ON DRAWING 52330 ft no a lan Jam LAYER STACKUP 2 LAYER SILKSCREEN TOP SIDE SOLOERMASK TOP SIDE LAYER SIDE 0 062 LAYER 2 BOTTOM SIDE 0 006 SOLDERMASK BOTTOM SIDE SILKSCREEN BOTTOM SIDE CRITICAL JCOMPONENT DEVICE N A TRACEABLE sERIAL NO NO N A __
89. C Press Inc Boca Raton Florida 254 L1524 Rev D Avea ventilator system Chapter 11 Appendices Monitor Ranges and Accuracies DISPLAY DESCRIPTION RANGE ACCURACY VOLUME MONITORS The volume measured during the inspiratory phase of the breath is accumulated as the inspired tidal volume and the volume measured during the exhalation phase is accumulated as the exhaled tidal volume This volume does not include the volume delivered by the Circuit Compliance Compensation function for volume breaths Vte Exhaled tidal volume Oto4L 20mL 1096 of reading Adult machine sensor 1 mL 4 1096 of reading Neonate wye sensor Vte kg Exhaled tidal volume adjusted for 0 to 4 mL kg patient weight Vti Inspired tidal volume 01041 20mL 10 of reading Adult machine sensor 1 mL 1096 of reading Neonate wye sensor Vti kg Inspired tidal volume adjusted for 0 to 4 mL kg patient weight Spon Vt Spontaneous tidal volume 0 to 4 L 20mL 10 of reading Adult machine sensor 1 mL 10 of reading Neonate wye sensor Spon Vt kg Spontaneous tidal volume adjusted 0104 mL kg for patient weight Mand Vt Mandatory tidal volume Displayed 0 to 4 L 20mL 10 of reading as a rolling average of either 8 Adult machine sensor breaths or one minute whichever 1 mL 10 of reading occurs first Neonate wye sensor Mand Vt kg Mandatory tidal volume adjusted for 0 to 4 mL kg Derive
90. Characterization Failed SYSTEM TUNING ER Characterize Display FCV FCV Data Es Characterize Display EXV FCV Figure 7 31 If the message reads FCV Characterization Complete the test has passed successfully If the message reads failed recharacterization of the FCV will be required Note After three failed attempts the GDE will require replacement Contact the Technical Support department and request a new GDE P N 16222A If the GDE is replaced all test and verification to this point will need to be readdressed Once the FCV Characterization has passed Press Display FCV Data Figure 7 32 This data is for reference use only and indicate target flow and final flow determined by the software Press the continue icon FCV DATA Target Flow FinalFlow Counts Status 148 16 59 69 40 31 20 12 Boa oon 0 0 0 0 40 20 15 10 8 0 60 48 38 28 22 16 08 04 Mono Pass CONTINUE Figure 7 32 L1524 Rev D Avea ventilator system Chapter 7 Calibration Exhalation Valve Characterization Test Note For the following test it is required that the complete filter cartridge with filter and jar are installed into the unit Characterization must be run on 50 psi wall air and O 1 Connect Exhalation valve characterization tool P N 10136 from inspiratory outlet to expiratory outlet 2 From the SYSTEM TUNING screen Press the Characte
91. EM TEMP SENSOR OXYGEN SENSOR INSP XDUCER NOT USED GAS TYPE 1D INSP FLOW DIF XDUCER HOT WIRE SENSOR BLENDED GAS XDUCER PES XDUCER AUXILIARY XDUCER NOT USED FAW DIF KOUCER NOT USED CONTROL SIGNALS INSP AZ SV ACTIVE EXHALATION VALVE EFS AZ SV SAFETY SV WATER DUMP SV BLENDER STEPPER MOTOR CROSSOVER SV OXYGEN SWITCH SV GAS CV HEATER FAN MOTOR COMPRESSOR MOTOR FAW AZ SV NEBULIZER SV BOOSTER DRIVE SY VACUUM PUMP SV ESOP FILL SV ESOP EVACUATION SV PROX PURGE SV EFS PURGE SV WFS PURGE SV DELETED DELETED DELETED NEONATOL SENSOR HEATER Differential Pressure NO Solenoid ABBREVIATIONS AZ AUTO ZERO CV CONTROL VALVE DIF XDUCER DIFFERENTIAL PRESSURE TRANSDUCER EFS EXHALED FLOW SENSOR EPM ENHANCED PATIENT MONITORS ESOP ESOPHAGEAL EXH EXHALATION EXP EXPIRATORY FAW AIRWAY FLOW GOE GAS DELIVERY ENGINE HP HIGH PRESSURE 10 IDENTIFIER INSP INSPIRATORY LP LOW PRESSURE PAUX AUXILIARY PRESSURE PAW PROXIMAL AIRWAY PRESSURE PES ESOPHAGEAL PRESSURE PR PRESSURE RELIEF PROX PROXIMAL SR SAFETY RELIEF VALVE SV SOLENOID VALVE TEMP TEMPERATURE WES WYE FLOW SENSOR XDUCER TRANSDUCER Chapter 11 Appendices 240 Avea ventilator system Wiring Diagram NOTES UNLESS OTHERWISE SPECIFIED i Oso INDICATES WIRE NO 2 HIGHEST WIRE NUMBER USED 3 3N FOR FUTURE USE JAN FOR USE WITH 3504 POWER SUPPLY
92. ERWISE RJ HALES VIAS YS HCARE STANDARD 796 AND HAVE FLAMMABILITY RATING OF 94V 0 OR BETTER TERES as 9599 NORTH REVISION STATUS CHANGES TO THIS DRAWING MUST TRA eee LANDAS 7 13 BE REFLECTED ON DRAWING 51000 40430 C MACH SURFACES OR BETTER PCB EXHALATION FLOW TRANSITION D CORNER FRLETS amp RAQII 205 010 E o i 4 E DEBURR EDGES 005 020 M CRITICAL 1COMPONENT DEVICE X N A Saat ri ma 51000 40431 A G IN PER ANSI Y 18 TRACEABLE _ _ SERIAL NO wo Eod L1524 Rev D 234 Avea ventilator system PCBA Backup Alarm L1524 Rev D THIS DOCUMENT IS THE COPYRIGHTED PROPERTY OF VIASYS HEALTHCARE CRITICAL CARE DIVISION AND MAY NOT BE REPRODUCED WITHOUT WRITTEN PERMISSION OR USED FOR OTHER THAN VIASYS HEALTHCARE CRITICAL CARE DIVISION AUTHORIZED PURPOSES UNLESS OTHERWISE SPECIFIED FABRICATE BOARD USING ARTWORK 52333 REV BOARD VIEWED FROM PRIMARY SIDE MATERIAL BOARD TO BE COMPOSED OF 2 CIRCUIT LAYERS OF COPPER CLAD PLATEO HTE PER IPC C 150 GLASS EPOXY LAMINATES PER 5 13949 ery CTIONAL WITH LOW RESIN CONTENT PREPREG PREFERRED OVERALL BOARD THICKNESS TO BE 0 062 0 006 DIELECTRIC THICKNESS BETWEEN CIRCUIT LAYERS SHALL BE AS FOLLOWS BETWEEN LAYERS 1 AND 2 NO LESS THAN 0 054 ELONGATION PROPERTY OF 10 ON ALL PLATED COPPER HOLE DIAMETER TOLERANCE TO
93. EXCEPTIONS gn If there is more than one page of error codes you can scroll through them using the Data Dial In this way you can print a page by page record of the codes for reference or reporting When you have captured this information press the Exceptions key The EXCEPTION LOG L1524 Rev D Avea ventilator system Chapter 9 Troubleshooting In the event of a fatal error in either the Control or the Monitor processor the date time and address will be recorded here You can print this and or record the information for reporting purposes When you have captured the Exception log information press Exit DO NOT press Clear at this time you may need to refer to this information again or the factory technician may need to do so if the unit is returned for repair List of Possible Error Codes Note Error Codes may appear with normal operation of the Avea Abbreviations FTC Fail to cycle IFS Inspiratory Flow Sensor FCV Flow Control Valve EFS Expiratory Flow Sensor PT Pressure Transducer Sup Supply BG Blended Gas WFS Wye Flow Sensor HWFS Hot Wire Flow Sensor L1524 Rev D 173 Chapter 9 Troubleshooting Messages Bad Cal Air Sup PT Bad Cal Aux PT Bad Cal BG PT Bad Cal Blender Bad Cal Compressor Bad Cal EFS Bad Cal EFS PT Bad Cal Esoph PT Bad Cal Exp PT Bad Cal FCV Bad Cal FiO Bad Cal HWFS Bad Cal IFS Bad Cal Insp PT Bad Cal O Sup PT Bad Cal WFS Bad Cal WFS PT Bad Header
94. External Battery Installation Procedures 30 Assembly Instructions for Comprehensive cart P N 33976 Metal 31 Assembly Instructions Comprehensive Plastic Cart P N 11520 36 E Cylinder Bracket Assembly INStructions emen 39 Assembly Instructions for Basic Stand 00 eene 40 Assembly Instructions Comprehensive Metal and Plastic Stand 43 Avea Unpacking Instr ctiOns siir rion eden i Pe REPE cates LX ERE DEWAR Hi bad S na TRE FIR XA Ea 44 Medical Gas Connector Kit Installation 5 47 Chapter 4 Assembly and Disassembly k k lll emere enne nnne 49 General Instructions and Warnings seisce lk c allkl y k ekl ka ekl kk rade eene enne nnne 49 Recommended Tools and nennen nennen ka kk kk 49 User Interface Module UIM tid e EE ode s dorm Dor ape de vb o 50 Exhalation GornerAssemblyz sus keley d xi nde peki la ep nre prat e Dp page veiba ved denk e ar 51 Metal Top Cover iis ap cede iege cde peto bark ga eG eee o ERRARE E MESURE 52 Gas Delivery Endine PIN 162224 kay na yine p ro pee ih ta e e vu A ri ERE ERA Dea 53 Ventilator Wheeled Base
95. IN 2 POWER FAIL OPTIONAL COVES FAN ASSEMBLY AVAILABLE PIN 3j EXT OFF WEIGHT 2 9 LBS 1 3253 MAX PIN 4 SENSE PIN 5 SENSE FAN AMP PC B HEADER P N 640456 2 MATING CONNECTOR P N 640621 2 PIN 1j PIN 2 TOLERANCES 0 030 0 76 mri 0 010 0 25 ma THIS DOCUMENT IS THE COPYRIGHTED PROPERTY OF VIASYS DwG NO REV V SYS HEALTH CARE CRITICAL CARE DIVISION AND MAY NOT BE A 68273 B REPRODUCED WITHOUT WRITTEN PERMISSION OR USED FOR HEALTHCARE OTHER THAN VIASYS HEALTH CARE CRITICAL CARE DIVISION L1524 Rev D 233 Avea ventilator system Chapter 11 Appendices PCBA Exhalation Flow Transition THIS DOCUMENT IS THE COPYRIGHTED PROPERTY OF VIASYS HEALTHCARE CRITICAL CARE REVISION HISTORY DIVISION MAY NOT BE REPRODUCED WITHOUT WRITTEN PERMISSION OR USED FOR OTHER THAN VIASYS HEALTHCARE CRITICAL CARE DIVISION AUTHORIZED PURPOSES ECO DESCRIPTION DRAFTING APPROVED UNLESS OTHERWISE SPECIFIED 55808 7 23 01 FABRICATE BOARD USING ARTWORK 51000 40433 REV 57362 RH ox ess BOARD VIEWED FROM PRIMARY SIDE MATERIAL BOARD TO BE COMPOSED OF 4 CIRCUIT LAYERS OF COPPER CLAD PLATED HTE PER ARES GFN GLASS EPOXY LAMINATES PER 5 13949 POLYFUNCTIONAL WITH LOW RESIN CONTENT PREPREG PREFERRED OVERALL BOARD THICKNESS TO BE 0 062 0 005 DIELECTRIC THICKNESS BETWEEN CIRCUIT LAYERS SHALL BE AS FOLLOWS BETWEEN LAYERS 1 AND 2 NO LESS THAN 0 018 BETWEEN LAYERS 2 AND 3
96. Loctite 2717 Threadlocker thread adhesive or equivalent to the two flathead 14 20 screw threads Assembly Instructions Comprehensive Metal and Plastic Stand Bracket 1 Place the comprehensive stand on a flat surface with the rear of the stand facing up 2 Align the saddle with the 4 stand mounting holes as shown in the photos below Figure 3 29 and Figure 3 37 Figure 3 29 L1524 Rev D 43 Chapter 3 Installation Instructions Avea ventilator system Figure 3 30 With the 5 32 Allen wrench install and secure the 4 screws flat washers and lock washers to attach the saddle to the stand Apply Loctite 271 Threadlocker thread adhesive or equivalent to all threaded fasteners Caution Ensure that the saddle is in no way touching the wheels casters of the stand Avea Unpacking Instructions 44 Introduction The Avea is packaged in two parts for safe shipping A small amount of assembly is required All literature and instructions to enable you to safely assemble set up and check out your Avea are included in the box with your ventilator Unpacking Caution The Avea shipping container is designed to be moved or positioned by a forklift or pallet jack only Do not attempt to lift or manipulate the container manually as damage or injury could result Note The Avea Cart shipped with your ventilator must be assembled first To reduce the risk of damaging the ventilator make sure the cart is ready
97. RNER FILLETS ADIN 004 cia PNEUMAT C AVEA n IDEAE pli ow Farman ples T zann jf 51000 09142 BERD ay 6 lol BEAT 1 1524 Rev D 237 Avea ventilator system Chapter 11 Appendices Filter Compressor Optional Compressor FOR REFERENCES SEE SHEET 4 ST agisce NONE Nor Scale SHEET 2 OF 4 L1524 Rev D 238 Avea ventilator system Chapter 11 Appendices Vocuum Esophogeal Pump Pressure Transducer Orifice Auxiliory Pressure Transducer Wye Sensor Orifice Delia PAZ Wye Sensor Neonatal Sensor Heater OPTIONAL EPM BLOCK FOR REFERENCES SEE SHEET 4 D 51000 09142 D RPE SCALE NONE foo NOT SCALE ommno SHEET 3 OF 4 L1524 Rev D 239 Avea ventilator system L1524 Rev D NOTE 4 ri INSPIRATORY FLOW DELTA P AZ BLOCK fferential Auto Zero Tronsducer Pressure Solenoid COMMUNICATION BETWEEN BLOCKS AN OVERBOARD EXHAUST A ACCUMULATOR FLUSH WATER DUMP EXHAUST BLENDED GAS FROM LOW PRESSURE REGULATOR ZX BLENDED GAS FROM SAFETY SY A FROM WALL SOURCE SYSTEM IS SHOWN IN DE ENERGIZED STATE m a 2 3 4 5 6 8 10 TRANSDUCER SIGNALS AIR XDUCER OXYGEN KDUCER EXP FLOW DIF XDUCER EXP XDUCER INSP TEMP SENSOR EXH SYST
98. SEY L1524 Rev D Avea ventilator system Chapter 7 Calibration Figure 7 25 Smart Connector 4 Connect a wall or cylinder supply of medical grade air through a calibrated 0 150 psi regulator and Y adapter Figure 7 26 to a manometer and to the high pressure air heliox inlet Figure 7 27 on the rear of the ventilator Figure 7 26 Y adapter 5 Attach the hose from the calibrated regulator on the medical grade air source to the smart connector port and apply 40psi pressure per the in line manometer When the correct reading is obtained press the 40 psig touch screen button on the Air Inlet calibration screen Figure 7 27 Attaching the smart connector 6 Press Exit 7 Disconnect calibration set up L1524 Rev D 147 Chapter 7 Calibration Avea ventilator system 1 148 Blended Gas Pressure Press the BLENDED GAS PRES touch screen button from the Calibration screen to access the blended gas pressure calibration screen 5 TOZ Cal psig psig m Figure 7 28 Blended Gas Pressure Screen On accumulator hose from blender cut cable tie and remove metal hose stabilizer Disconnect compressor output hose Disconnect output tube from the accumulator output to the blender manifold Touch the 0 psig icon Disconnect the tube here Figure 7 29 Accumulator L1524 Rev D Avea ventilator system Chapter 7 Calibration Attach the special elbow assembly to the accumulator output tub
99. SHOULD THE ERASE FLASH BUTTON BE PRESSED THE INSTRUMENT MUST BE TURNED OFF AND RESTARTED IN THE SERVICE FUNCTION MODE BEFORE RECALIBRATING THE SCREEN Failure to follow these steps will prevent the instrument from storing the screen calibration Equipment Needed PDA Stylus or similar dull pointed instrument Procedure Upload ventilator with software Version 3 0 or greater 1 Plug the Avea into a suitable AC power source and depress the setup key while powering up the unit 2 Select OVP in the Service Functions screen Figure 7 1 L1524 Rev D 131 Chapter 7 Calibration Avea ventilator system 132 SERVICE FUNCTIONS MFG SETUP CALIBRATE MANUAL CONTROL TUNING UNITS Cycle power to exit ELAN Coldfire Figure 7 1 Service Functions screen Select Touch Screen Calibration button Figure 7 2 and follow the instructions on the screen TOUCH SCREEN CAL Figure 7 2 OVP Screen You will be prompted to touch points on the upper left lower right and middle of the touch screen with the stylus see Figure 7 3 Figure 7 3 and Figure 7 4 Using a stylus touch on or slightly next to each of these points until prompted to go to the next Caution DO NOT USE YOUR FINGER FOR THIS PROCEDURE The screen will automatically go back to OVP when complete Note To ensure greatest touch screen accuracy always perform the calibration procedure three times L1524 Rev D Avea ve
100. SS_EKH_VLV HARNESS EXH VLV er TEMP URRNESS NEB SOL 1 ex TEMe DM dn HARNESS NEB SOL 2 SLE i1 3 HE T S cover sensi HARNESS POOSTER SOL 1 C O BAC eur A LETT gt HARNESS BZOSTZR SOL 2 HARNESS 120 DUMP SOL 1 1 HARNESS 20 DUMP 301 2 i g HARNESS SPAREI SOL 1 HARNESS SPARE SOL 2 MARNESS SPARE2 SOL 1 HARNESS SPARE2 SOL 2 HARMESS SPARE2 SOL 1 mmmmeammmmmmmmmniimmmmm NOANNNONON JE RM SENSE HARNESS SPARE2 50 2 rU 2 1 OMER an demar 5 gt Mas HARHESS FAN POWER Ce oe n m ru HARNESS FAN DRIVE 2 C is t 1 Te ee eed HARNESS FANl SENSE Lue Ado i r 25 HARNESS FAN GROUND Lx pae n i we Par pone sor L1524 Rev D Dn DD EYB l SADI SCHEMATIC DRIVER TRANSITION CHAINE PST ET T 4 PTERPRCT PER t Chapter 11 Appendices 211 Avea ventilator system PCBA Power Driver Board gt REVISION HISTORY REV DESCRIPTION DATE 59162 PILOT RELEASE PER ECO 91803
101. Savi Ranch Parkway Yorba Linda CA 92887 USA FAX 1 714 283 8471 IMPORTANT The User Verification Tests i e The EST and Manual Alarms Checks detailed in the operator s manual should be performed prior to patient connection L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade Software Install Verification Avea Ventilators Date Model Standard Plus Comprehensive UIM Serial Ventilator Serial Prior Software Version from MAIN screen New Software version Installation Verification Monitor processor verified n Control processor verified nsert version indicated by device Confirmation checks Ventilator power up and POST New software version displayed Waveforms on MAIN screen Unit is VENT INOP OOO Signature Date Title L1524 Rev D 125 Chapter 6 Avea Software Upgrade Avea ventilator system Verification and Calibration 1 2 126 Once the software has been loaded turn unit OFF Remove download cable turn unit ON and verify the following The standard Avea alarm sound during normal power up That the version as labeled on the CD briefly flashes on the bottom of the UIM The RED vent inop indication appears in the upper right hand of the UIM Warning Default Screen appears Press Continue Patient select screen appears Press Patient Accept icon Turn the unit OFF Power up the unit while holding the set up button Veri
102. TION SPECIFICATIO es 1 0 4uF T lt DASH NO ARTS LIST UNLESS OTHERWISE SPECIFIED APPROVALS DATE VI ASYS A DIMENSIONS ARE IN INCHES ORAWN R J HALES TOLERANCES UT Xm HEALTHCARE TEROR DA MV NORTH ERITICAL CARE DIVISION C MACHSURFACES OR BETTER we D CORNERFILLETS 005 010 LANDAS VREF DEBURR EDGES 005 020 RELEASED NEL S NELSON SCHEMATIC EPM G INTERPRET PER ANSI Y14 50 1902 S SEE owe ve RET ve CRITICAL _ COMPONENT 51000 40332 TRACEABLE SERIAL wo SCALE DRAWING SHEET 1 OFS 4 1 L1524 Rev D 197 Chapter 11 Appendices Avea ventilator system 8 7 6 5 4 3 2 1 12V VREF 2 c23 0 001uF 2 8 192V 12V 9 9 D gt AWFLOW_PRESS D 2 334 to 42 334 inches H20 C26 0 0029cmH20 count 1uF 1 62 1 LL THERM CURRENT 2 2K 1 Healer R25 45 3K 196 C R28 VREF 1 62 1 gt THERM ESO PRESS L gt Healer V R34 20 0K C35 2 048 i 0 001uF 6 192V B B C37 0 001 2 __ gt cai 0 00 2 6 SEE DWG NO P s ooo aosa2 _ SCALE DRAWING SHEET 2 OF L1524 Rev D 198 Avea ventilator system L1524 Rev D 6 5 4 3 2 vecs F
103. Windows Explorer 3 magro RT Sound Blaster AWEGA de Notepad America Online gt iy Pon 3 wie 234 Max Gamer WordPad A America Onine 60 53 Res D Synchronize America 7 0 Microzoft PowesPont 13 Programs 23 Microsoft Olfice Tools 21 Favorites Microsoft Excel 5 Documents Microsoft Outlook B Seinge Miciosoft Woid Ok Find 21 McAfee VirusScan Heb Microsoft PowerPoint 2 fl Bun 2 ahead Nero og Diff ALVARO B e S B Sha Down Digtal MiMater ele sam Figure 6 9 L1524 Rev D 117 Chapter 6 Avea Software Upgrade Avea ventilator system 3 Double click the HyperTerminal icon inside the HyperTerminal folder The HyperTerminal window opens in the New Connection window amp HyperTerminal Ed Ven Ba gos rr puc EP Bock Up Cut HyperTerminal icon Hypertrm exe Application Modified 4 23 98 10 22 PM w id My Computer 6 10 4 Avea into the Name bar click OK 118 The Connectivity window opens 1 Connection Description File Edit View li By new comecion Enter a name and choose an icon for the connection Capture Z Figure 6 11 L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade 5 In the Connect Using box type Direct to Com1
104. ZE TOwG NO REV ENE kk 51000 40652 sca SHEET v Or 1 CRITICAL _ component vocac C sew no EI orso Be L1524 Rev D 193 Avea ventilator system Chapter 11 Appendices Hour Meter REVISION HISTORY Rev Eco No DESCRIPTION DRAFTING APPROVED DATE 39 30 57360 PRODUCTRELEASEPERECO gt TP1 TP3 are the harness holes for 22 24AWG wire m 0 IDENTIFYING NO ORD RIPTION SPECIFICATIO lt DASH NO t 5 4 gt BANE ERT tp emn uem i LIST VIASYS f itiCAU CARE DIVISION UNLESS OTHERWISE SPECIFIED A DIMENSIONS ARE IN INCHES B TOLERANCES x S Xm 05 62801 C MACH SURFACES OR BETT 7 13 01 Dco emisarios on ______ 73001 SCHEMATIC HOUR METER r cowowew pevce IX Wa F CHAMFER FIRST amp LAST THREADS ke 7 TRACEABLE o rememererkAmsvsese we scu e AI c on m B ag 18 95 Arr p LI 18087 uo qu ue L1524 Rev D 194 Avea ventilator system Inspiratory Flow Valve L1524 Rev D REVISION HISTORY ETI 25738 PLOTRELEASEPERECO 5734 PROORELEASEPERECO see PROORELEASEPERECO nagi unn RE LF AAOSCQA n SH 655220128764
105. __ UNLESS OTHERWISE SPECIFIED DIMENSIQNS ARE IN INCHES B TOLERANCES XXX 005 AX 02 ANG 1007 C MACH SURFACES BETTER 0 CORNER FRLETS amp RADE 005 010 DEBURR LOGES 1005 020 CHAMPER FIRST amp LAST THREAD 45 WTERPRET PER ANSI 14 5W 1982 REVISION HISTORY DESCRIPTION DRAFTING APPROVED RJ HALES KE Ru HaLES RJ HALES PART LIST VIASYS HCARE cum amies DATE QTY PART OR NOMENCLATURE MATERIAL FIND REQD IDENTIFYING NO OR DESCRIPTION SPECIFICATION NO Chapter 11 Appendices 235 Avea ventilator system Tubing Diagram L1524 Rev D Se Capp rri yen NOTES UNLESS OTHERWISE SPECIFIED AN 1 8 0 0 GREEN TUBE 33952 1 8 0 0 YELLOW TUBE 339831 1 8 0 0 BLUE TUBE 33994 gt TWO LUMEN TUBE 1001125 N BLUE AA CLEAR 1 4 0 0 BLUE TUBE 33584 2mm 0 0 BLUE TUBE 33981 2mm 0 0 YELLOW TUBE 33980 Shaver tien ORIFICE 132057 TEE 32081 RE REDUCER 32040 1 8 1 0 TUBE 54980 01603 FITTING FEMALE LUER 52000 00526 FITTING MALE 152000 01203 PPPPPPPPPE 1 16 1D CLEAR TUBE 10092171 DELETED TUBE TWO LUMEN 51090 09896 BLACK STRIPE CLEAR A PLUG 33398 LN PLUG 32083 PLUG 32063 USED IN 4 LI OR MID LEVEL UNIT ONLY i NOT INSTALLEDI 4 A 1 8 1 0 TUBE 1 8 1 0 TUBE 32043 1 8 1 0 PVC TUBE 54950 0160
106. ade names Avea Ventilator If you have a question regarding the Declaration of Conformity for this product please contact CareFusion at the number given in Appendix A Warranty vi THE Avea ventilator systems are warranted to be free from defects in material and workmanship and to meet the published specifications for TWO 2 years or 16 000 hours whichever occurs first The liability of CareFusion referred to as the Company under this warranty is limited to replacing repairing or issuing credit at the discretion of the Company for parts that become defective or fail to meet published specifications during the warranty period the Company will not be liable under this warranty unless A the Company is promptly notified in writing by Buyer upon discovery of defects or failure to meet published specifications B the defective unit or part is returned to the Company transportation charges prepaid by Buyer C the defective unit or part is received by the Company for adjustment no later than four weeks following the last day of the warranty period and D the Company s examination of such unit or part shall disclose to its satisfaction that such defects or failures have not been caused by misuse neglect improper installation unauthorized repair alteration or accident Any authorization of the Company for repair or alteration by the Buyer must be in writing to prevent voiding the warranty In no event shall the Company be liable
107. afety valve that has a mechanical over pressure relief valve as well as a sub ambient valve The gas is forced into the patient by closing the servo controlled voice coil exhalation valve which is also controlled by the control microprocessor in the UIM The patient is allowed to exhale by the voice coil exhalation valve which also maintains baseline pressure or PEEP The exhaled gas exits the patient through the expiratory limb of the patient circuit to an integral heated expiratory filter to an external flow sensor and out the exhalation valve to ambient air The pneumatics module has several additional capabilities First it uses either air or 80 20 heliox for an input gas and corrects all blending volume delivery volume monitoring and alarming and FiO monitoring and alarming based on the correct gas density The system knows what the gas is by a patent pending gas ID that identifies the appropriate inlet DISS fitting with the gas that is being delivered which creates an inherently safer system for delivering heliox The second capability is the optional back up compressor that is battery backed up for a minimum of 30 minutes by a fully charged internal battery which allows for uninterrupted ventilation during a loss of AC power The third feature is the ability to monitor volume either at the expiratory limb of the machine or at the patient wye This allows for more accurate patient monitoring especially in infants while allowing the convenienc
108. age e All tubing and fittings used to connect high pressure gas from the source to the test equipment and from the test equipment to the device being tested must be capable of withstanding a minimum supply pressure of 100 psi 7 03 kg cm2 The use of tubing and fittings not capable of withstanding this pressure could cause the tubing to rupture resulting in personal injury or property damage e When verifying the operation of this medical device do not breathe directly from the machine Always use a fresh bacterial filter and test circuit Failure to do so may constitute a hazard to the health of the service person If any ofthe procedures outlined in this document cannot be verified do not use this device and refer it to CareFusion or a CareFusion authorized service facility or a CareFusion trained hospital service technician Cautions The following cautions apply any time you work with the ventilator e Ensure that the voltage selection and installed fuses are set to match the voltage of the wall outlet or damage may result e A battery that is fully drained i e void of any charge may cause damage to the ventilator and should be replaced e All accessory equipment that is connected to the ventilator must comply with CSA IEC601 UL2601 e To avoid damage to the equipment clean the air filter regularly The following cautions apply when cleaning the ventilator or when sterilizing ventilator accessories Do not sterili
109. apter 3 Installation Instructions Avea ventilator system Assembly Instructions Comprehensive Plastic Cart P N 11524 1 Onthe back side of the Upright mount assembly there is a metal plate with four screws securing it to the plastic mount Remove the four screws from this plate 2 Inside the mount at the top is a single screw securing the top plate to the front of the mount this screw needs to be loosened but not removed 3 The top plate can now be separated from the mount to be able to slide the metal backing away from the mount exposing the cable slots on the rear right side of the mount 4 Laythe cable in the grooves along the side of the mount until the connecter can be placed through the hole in the bottom of the mount The large ventilator connector end will lay in the groove at the upper right corner as shown in the illustration below 7 Figure 3 17 5 Replace the Metal face plate onto mount ensuring the harness wire is laying in the mount grooves Install the top plate in position and secure screws in metal face plate Tighten the top front internal screw of the mount securing the top plate to the front mount 6 After completing the cart assembly per instructions P N L2932 Continue with step 7 36 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions y 7 With ventilator removed from cart carefully turn the completed cart assembly to access the bottom of the base caster subassembl
110. apter 7 Calibration inlet pressure 1 Press O INLET PRES from the Calibration screen to access the O Inlet pressure calibration screen Figure 7 21 0 Inlet Pressure calibration screen 2 With nothing attached to the O inlet connector on the back of the Avea press the 0 psig touch screen button 3 Usea calibrated 0 150 psi regulator a wall or cylinder supply of medical oxygen and a Y adapter Figure 7 22 Attach the Y adapter to the regulator Figure 7 22 Y high pressure DISS 1290 adapter L1524 Rev D 145 Chapter 7 Calibration Avea ventilator system 4 Attach one arm of the tubing to the manometer and connect the other with the correct DISS 146 fitting to the high pressure O inlet on the rear of the instrument shown in Figure 7 23 Figure 7 23 O hose connection Apply 40psig 2 76 bar of pressure and press the corresponding touch screen button to calibrate Press Exit Disconnect calibration set up Air Inlet Pressure Press the AIR INLET PRES touch screen button from the calibration screen to access the Air Inlet Pressure calibration screen as shown in figure 7 24 Figure 7 24 Air Inlet Calibration screen With nothing connected to the air blended gas inlet port on the rear of the ventilator press the 0 psig touch screen button Attach the air inlet smart connector to the port on the rear of the ventilator as in Figure 7 25 Ss IAS x LA 222 OB x
111. art of a patient initiated breath Pes stat and the sensitivity of the ventilator s demand system The sensitivity of the ventilator s demand system is the difference between the baseline airway pressure PEEPaw and the airway pressure when the patient initiates a breath Paw start Requires an esophageal balloon 0 to 50 cmH O 2 or 5 whichever is greater Ptp Plat Transpulmonary pressure during an inspiratory hold which is the difference between the airway plateau pressure Ppiar aw and the corresponding esophageal pressure Requires an inspiratory hold and esophageal balloon 60 to 120 cmH O 2 H20 or 5 whichever is greater PEEP The difference between the corresponding airway and esophageal pressures at the end of the expiratory hold during an AutoPEEP maneuver Requires an inspiratory hold and esophageal catheter 60 to 120 cmH O 2 or 596 whichever is greater MIP The maximum negative airway pressure that is achieved by the patient during an expiratory hold maneuver 60 to 120 cmH O 2 cmH50 or 596 whichever is greater Pico The negative pressure that occurs 100 ms after an inspiratory effort has been detected 60 to 120 cmH O 2 or 596 whichever is greater L1524 Rev D Avea ventilator system Chapter 11 Appendices DISPLAY DESCRIPTION RANGE ACCURACY The summation of ai
112. ation SVGA Connection Connection RS 232 1 Centronics Parallel RS 232 2 Printer Connection Figure 11 1 Connections beneath the ELAN UIM screen The ventilator has two RS 232 ports on the ELAN UIM for bi directional communication of data RS 232 Ch1 and RS 232 Ch2 RS232 1 DB9 F connector is active for software upgrades and the Avea communication protocol recommended to connect only to CareFusion applications RS 232 Channel 2 DB9 F is reserved for future applications Figure 11 2 Connections beneath the Coldfire UIM screen Printer The ventilator UIM has a standard 25 pin female Centronics parallel printer port DB25 F active on all models for use with HP color deskjet printers with parallel interface Printing from the Avea The print screen is compatible with Hewlett Packard 300 and 900 series printers The port is on the underside of the UIM fairly in the middle A printer symbol has been placed on the UIM directly above the port itself Itisa parallel printer port After connecting the appropriate printer you may print a screen at any time L1524 Rev D Avea ventilator system Chapter 11 Appendices 3 6 e eee Press FREEZE to capture the screen data Press PRINT and the screen will be printed Video Output SVGA Connection The ventilator UIM provides a video output connector which allows for interfacing to an externally located 256 color 800 x 600 SVGA mo
113. atrix of rows L1524 Rev D Avea ventilator system Chapter 2 Theory of Operation and columns A key closure causes an interrupt to the monitor CPU which responds by scanning the key matrix to determine which key has been pressed Light Emitting Diodes LEDs Some of the membrane keys require LED s to indicate when the key is active The LED s are embedded into the membrane panels Optical Encoder The optical encoder allows the clinician to change settings The setting to be changed is selected by pressing a soft key on the LCD and then turning the optical encoder to change the value When the encoder is rotated two pulse streams are generated phase A and B When the encoder is turned clockwise phase A leads B by 90 degrees When the direction is counter clockwise phase B leads A by 90 degrees The electronics uses the phase information to drive an up down counter which is read by the monitor CPU The optical encoder is not interrupt driven and therefore must be polled by the monitor CPU Back Light Inverter The back light inverter converts 5 VDC into the high frequency AC voltage necessary to power the LCD back light which is used to illuminate the LCD Control PCB The control PCB consists of two micro controllers the control CPU and the monitor CPU both of which are 100 MHz ELAN 410 s The control and associated circuitry RAM ROM etc micro controllers perform all ventilator control functions including the 2 msec closed
114. attery Run Procedure 1 Plug unit in turn power on and adjust settings as follows Mode Pediatric Volume A C Settings 40 BPM Volume 200mL Peak Flow 30 L min PEEP 5 2 Flow Trigger 20 L min and FIO 2196 Advanced Settings Vsync off Waveform Square Bias Flow 3 L min and Pressure Trigger 20cmH O Verify battery indicator LED s function and progressively charge from Red to Yellow to Green Disconnect A C power to verify external batteries The Power status indicator EXT should be illuminated indicating that ventilator is running on the external batteries To verify internal batteries Turn power switch off Disconnect external batteries and turn power switch on and resume previous settings Verify that the power status indicator INT is illuminated and that the on screen battery indicator is displayed Turn unit off Reconnect external batteries and turn unit on Verify that the LED for the Int and Ext batteries are on Caution External batteries should never be disconnected while the Avea is running all power to the Avea may be lost and unit may shut off as a result Battery Performance Verification 1 106 Connect adult circuit and test lung disconnect external batteries if equipped turn on power and select New Patient and Adult patient size If the unit has an internal compressor disconnect wall air Adjust the breath rate to 40 bpm and set the Low VE alarm limit to O All
115. ays from date of receipt e Internal batteries are warranted for ninety 90 days from the date of receipt e External batteries are warranted for one 1 year from the date of receipt The foregoing is in lieu of any warranty expressed or implied including without limitation any warranty of merchantability except as to title and can be amended only in writing by a duly authorized representative of the Company L1524 Rev D vii Service Manual Avea ventilator system Contents Revision HISTORY tee beo c i e lb ecc e dea Pad coe Pr enda d E ERR oe es E P e ERR a iii Melle c Waran Ey ki PEEL vi Chapter lntrod ctlon mc ox l ny yg eyi nh 1 Safety Information NM rrr du Die ea Re d e d E dde eie 1 EquipmentSymbols nnn eriya chaste to Gd n Pla rr 4 Chapter2 Theory of Operation cece te x eW bak n nennen kan 9 General Description uctor rre Ft FEES Ve ked rav 9 High Level iiti ir teen Pe Ee e p Cadena eki adits 11 Detail Design 13 Chapter3 Installation In StitictiOD 85i kak eya diayek a kak ee eee ek RE Sah nnn 23 Stand Assembly Instructions tit reir yana hav n x Wa k n ck avde ne kr Ere a En ka w weka W 23
116. blem from patient Check error log and exceptions with any Device Error message on screen Table 9 2 Battery Power Supply Ensure unit is plugged in between patient use Refer to Battery Discharge Procedure on page 162 for proper battery discharge charging procedures Check all cables connections and voltages before replacing parts Symptom Problem Solution s Unit will not power up No battery indication LED Will not charge past yellow Decreased run time on battery internal external Unit wont run on battery internal external L1524 Rev D Blown incorrect missing A C fuse s Loose Internal Connections Bad Power Switch Bad Power supply Bad Power Driver PCB UIM problem Excessively discharged battery state Faulty Missing batt fuse Loose connections Bad Battery PCB Bad LED indicator panel Bad battery Transition Board fault Excessively discharged battery state Loose connections Bad Battery PCB Bad battery Bad Power Driver PCB Excessively discharged battery state Loose connections Bad Battery PCB Bad battery Bad Power Driver PCB Faulty missing battery fuse Loose connections Bad battery Bad Power PCB 1 Check replace A C fuses 2 Check all connections 3 Replace Power Switch 4 Replace Power supply 5 Replace Power Driver PCB GDE 6 Check UIM cable Refer to UIM Control section 1 Charge properly refer t
117. ce e etre ertet e OU ete deka Ene de o be h Wa E e ej Yen 59 Internal Batteries P N 68339A ino der te e e te bo teer ra e kaka k a 60 T ete tek on d ghe Pe io e pev id ede ERR E 61 Compressor Scroll Pump P N 51000 09750 65 Enhanced Patient Monitor EPM Board P N 51000 40848A 0014 4 22 67 69 Power Supply 16388 5502 er deti rok Kak Qr o a an un GEO UE 70 Exhalation Valve P N 163 19 a ttr re cene fe pene rei i cvi Fea unn d ev 72 Heater Assembly P N 51000 40824 02 4 kk kik b k ae aa ada ae ya d ka ale ka a enne enne nennen nennen 75 Microswitch Top Cover 6824 00 ka kaka kaka kaka kaka ka ka ka ka ka ka kaka 76 Derd r a e gm 2 76 Front Interface Panel P N 51000 40635 71 Bottom COVQ eta spite tena tia tax p Ded e C D ek a E EL CX 78 Alarm Speaker P N 51000 40818 8 79 Nebulizer Assembly P N 51000 40026 80 Accumulator P N 51000 40748 82 Secondary Alarm Installation Kit 16316 0 000 emere 83 Functional Testing of the Secondary Alarm Assembly emen 85 Additional Test to ensure Proper Wire Routing
118. ch the faceplate Figure 3 10 6 Thread cable harness through the cart pole Figure 3 11 Caution After the cable has been threaded inspect the cable for any cuts abrasions or scaring 32 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions 7 Place the two batteries into the tray as shown in Photo 1 Red Orange Black Figure 3 12 Photo 1 8 Attach harness P N 16217 to batteries 1 Connect black wire to negative post black on the outer right hand side battery 2 2Connectthe orange wire to positive post red on the inner right hand side battery 3 Feed the orange wire through the center battery support bracket opening to the left hand side battery area 4 Connectthe single orange wire to the negative post black on the left hand side battery Feed the red wire positive through the center battery support bracket opening to the positive post red on left hand side battery 6 Install ground lug from cable assembly to the threaded stud on the battery tray Secure with supplied hardware L1524 Rev D 33 Chapter 3 Installation Instructions Avea ventilator system Connect to 16217 Harness Red Wire to Battery Tray shown Positive Post Without Batteries Wire To Negitive Post d To Negative Wire y Post To Positive Post Figure 3 13 9 Slowly slide the completed battery and tray assembly onto the mount beneath the Avea stand making sure t
119. ciczzB USPUNNNEE cua DISA 0155 0001 oct HW amp VARFLEX PCB Pin 1 here goep to Pin 1 on HW amp VF C ra ANF Pin 1 here goes TO VARFLEX to Pin 26 on 02 blender using Frc which has contacts on the side 02 BLENDER NURSE CALL 70 75 n Ar amd ad nfi eqa o tt0 non 11524 Rev D 229 Avea ventilator system D Can ONE Riso Ke E FS G LT101400W mo m Rise 10K 1 ws f gt lt gt cho 10 1 01 LTI 400W od gt nis LM 2 090 156 57 Das BAYES LTI0MDOW D i 7 veo 200 1 vec E gt 6 gt m BAT Ries 10 1 a7 VS Te 9 61000 40312 mr wi L1524 Rev D Chapter 11 Appendices 230 Avea ventilator system Chapter 11 Appendices 51000 40312 EZE KIZ ar vo L1524 Rev D 231 Avea ventilator system Chapter 11 Appendices Power Supply REVISIONS B S 0 850 21 59mmi 135 1813 44 45mm 46 05mm OPTIONAL COVER 8 32 MTG 4PLCS FLOW OPTIONAL cover 0 500 7 000 12 20mm ano ALSO SEE
120. ck 16137 16240 33951 71670 PREVENTIVE MAINTENANCE KIT WITH COMPRESSOR Compressor inlet filter Compressor outlet filter Exhalation Diaphragm Filter inlet tube PM requires 2 ea Filter fan b pack 16138 33928 33929 16240 33951 71670 O Sensor 68289 FILTER REMOVAL TOOL 21735 Note The exhalation diaphragm may be ordered separately in a package of 10 P N 16240D Table 10 3 Communications Description Part Number Cable tie 07803 GSP Interface Kit 16375 Independent Lung Ventilation ILV Cable 16124 Kit 16246 Phillips Vue Link cable 16337 Remote Nurse Call Cable Normally Closed 15620 Remote Nurse Call Cable Normally Open 15619 188 L1524 Rev D Avea ventilator system Table 10 4 Accessories Description Bottle 125 mL Disp neonatal flow sensor 10 pkg Disp Neonatal flow sensor each Disposable adult flow sensor 10 pkg Disposable expiratory filter 12 pkg F and P pole mount kit Filter capsule non disposable Neonatal Hot Wire Flow Sensor Oxygen sensor with connector Patient circuit support arm Proximal adapter required for proximal pressure monitoring Support Arm Rail Clamp Talced Diaphragm poppet 10 pkg Tube hanger Water trap assembly Part Number 33985 50000 40038 51000 40098 50000 40031 11395 69302 33987 16465 68289 10128 51000 40096 52000 30101 16240D 51000 02736 50000 40035 Table 10 5 Monitoring Procedures Disposable Accessories Each order is in a
121. compressor PCB 5 Replace compressor PCB 1 Faulty Air Pressure Transducer Replace Air pressure transducer 1 Check output replace compressor if necessary 2 Check tubing connections 3 Check for excessive patient minute ventilation 1 Check output replace compressor if necessary 2 Check tubing connections 3 Check for excessive patient minute ventilation 1 Insure mounting nuts are present and tightened 2 Replace Vibration dampeners 177 Chapter 9 Troubleshooting Table 9 4 EPM Avea ventilator system All symptoms below apply to WFS Esoph and Aux unless otherwise noted Available in Avea Comprehensive only Paux and Pesoph not available in software ver 2 7 Symptom Erroneous readings from sensor No reading from sensor Device Error when sensor connected Problem 1 Bad Sensor 2 Transducer s out of calibration 3 Leak 1 Bad sensor cable connector 2 Specified transducer out of cal 3 No communication from EPM 1 Bad sensor cable connector 2 Specified transducer out of cal 3 No communication from EPM Table 9 5 Exhalation Valve Assembly Symptom Low measured exhaled volumes Will not pass EST leak test Valve noise Excessive expiratory resistance Abnormal expiratory waveforms 178 1 External leak 2 Internal leak 1 External leak 2 Internal leak Diaphragm is out of position 1 Moisture in Exhalation Filter 2 Clogged
122. corded prior to installing the Software Note If the unit is equipped with the EPM PCBA then it must be initializes at this time To initialize press the EPM icon press the rectangular white REVISION box and enter the letter A Press the Month Day and Year icons entering the current date Today s date Press ACCEPT in the PCB INIT window PCB INIT DEVICE TYPE ASSEMBLY REVISION PART 0600000000000 LOT 00000000 MFG DATE Month CANCEL Figure 6 21 Note All Verification and Calibration procedures must be completed using wall gas supplies Do not utilize the internal compressor for this procedure 7 Atthe MFG SETUP screen press EXIT 128 L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade 8 Onthe Service Functions screen press CALIBRATE enter the PASSWORD and press ACCEPT SERVICE FUNCTIONS MFG SETUP CALIBRATE SERIAL NUMBER 01588 PASSWORD xan MANUAL 01234567 CONTRE 89ABCDEF lt ERROR Cancel Accept LOG Cycle power to exit TUNING Cycle power to exit ELAN SERVICE FUNCTIONS MFG SETUP CALIBRATE MANUAL CONTROL TUNING UNITS Cycle power to exit Coldfire Figure 6 22 Service Functions screen Note During this procedure you will need to either verify or calibrate the PRESSURE TRANSDUCERS Ensure all proper test fixture and test devices are available Each step must be
123. cover if applicable with the 3 Phillips screws Secure the plastic cover onto the vent with the 3 Phillips Screws one on the front left inside wall one on the right inside wall and one outside 3 Secure the 1 Phillips screw located at the exhalation port marked EXH if applicable Using a long Phillips screwdriver secure the 1 Phillips screw located at the top of the exhalation filter assembly if applicable Metal Top Cover 52 INL UIS Removal Remove the following Exhalation corner UIM and plastic cover If applicable remove the metal top cover of the exhalation assembly Remove the 19 SEMS screws 3 on the left side 5 on the right side and 11 on top Note The screws along the back of the metal top cover are different flat head Note For ease in removal of these screws it is recommended to use a power screw driver Remove metal top cover and set aside Disconnect the internal battery 2 pin Molex connector Warning Always disconnect the white battery quick disconnect once the top cover is removed to prevent injury and or damage to the Avea Ventilator System Warning Assure that the work area is Electro Static Discharge ESD protected The Printed Circuit Board Assemblies PCB s have integrated circuits IC s that can be severely damaged by static electricity Work surface must be certified as anti static or grounded before removing covers and while working on the ventilat
124. croll Pump P N 51000 09750A 33928 Inlet Filter 33929 Outlet Filter Figure 4 11 Compressor Scroll Pump Removal 1 Referring to the instructions in this chapter remove the following components e Exhalation corner assembly e UlMand plastic cover e Metal Cover 2 Disconnect internal battery 3 Remove high pressure hose from compressor motor at the filter outlet Move the high pressure hose out of your working area 4 Temporarily remove Enhanced Patient Monitoring Board EPM according to instructions provided later in this chapter 5 Remove the 4 11 32 KEPS nuts in each corner of the compressor mounting base Remove the 1 ground wire located at the front right of the compressor L1524 Rev D 65 Chapter 4 Assembly and Disassembly Avea ventilator system 66 Disconnect compressor wiring harness Molex P2 from compressor driver board 7 Access the 12 pin scroll pump connector and disconnect from the compressor driver board Scie Hugo cha pe c Remove the 2 KEPS nuts on the scroll compressor board 1 on the right and 1 on the front and remove the compressor board Note The compressor power board should be placed in an antistatic bag Carefully lift compressor pump out of unit and set aside Installation Slide the compressor scroll pump in the front right side of the ventilator and position over the 4 studs Install ground wire over right front stud and secure with one of the 11
125. ct the large blue tubing to the nebulizer from 4 by releasing the compression fitting L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly 16 17 18 19 20 21 22 23 24 25 26 Figure 4 2 C4 and H4 compression fittings Note With replacement of the GDE the position jumper J3 on the Secondary Alarm Board must be reviewed for proper placement Disconnect the yellow tubing from D4 that feeds the EPM board Loosen the 11 32 nut securing the assembly to the base at the bottom front left and right of the GDE Ensure all cables and tubing are tucked into the gas delivery engine assembly and slide the assembly out of the unit towards the rear You will here a distinct pop as the assembly disconnects from the driver transition board connection Remove the power cord support bracket if applicable Note You may need to pull firmly as you slide out the gas delivery engine assembly because it is attached to the 120 pin connector on the driver transition board If you are removing Gas Delivery Engine P N 510000 40022 please continue with the next step If you are removing Gas Delivery Engine P N 16222 please continue at step number 1 of Installation Locate the internal battery pack and cut the 2 purple wires located at the battery pack to 1 5 inches Fold back onto itself 1 of the wires that has been cut inch Cut the wire that was not folded even with the
126. curves provided for each instrument by the testing laboratory must be used to establish the actual correct values This certification procedure should be performed at least once every six months More frequent certification may be required based on usage Note The transducers available will vary depending on the options enabled in the unit and the type of UIM in use ELAN or Coldfire L1524 Rev D 135 Chapter 7 Calibration Avea ventilator system Accessing the Calibration Screen To access the calibration screen 1 When the Service Functions screen appears press Calibrate and enter password SERVICE FUNCTIONS MFG SETUP CALIBRATE SERVICE FUNCTIONS MFG gn EZ MANUAL CONTROL TUNING MANUAL KEN CONTROL TUNING ERROR LOG Cyde power to exit ELAN Coldfire Figure 7 7 Service Functions screen UNITS Cycle power to exit 2 The Calibration menu screen appears CALIBRATION r PRESSURE TRANSDUCERS CALIBRATION PRESSURETRANSDUCERS INSP O2INLET 02 PRES PRES PRES SENSOR ESOPH AUX AIR INLET 02 PRES PRES PRES BLENDER INSP EXP 02 INLET 02 PRES PRES PRES SENSOR AIR INLET 02 PRES BLENDER BLENDED COM GAS PRES PRESSOR Em EXP BLENDED KE FLOW FLOW GAS PRES PRESSOR BARO BARO MANF CAL FIELD CAL ELAN Coldfire Figure 7 8 ELAN Calibration menu screen Note The Calibration screen that appears depends on the type of installe
127. d patient weight Vdel Delivered machine volume measured 0 to 4L 20mL 1096 of reading by the ventilator s inspiratory flow sensor Leak Percent leakage The difference Derived Derived between the inspired and exhaled tidal volumes in terms of 96 difference Ve Minute Volume Volume of gas 0 to 99 9 L Derived exhaled by the patient during the last minute Ve kg Minute volume adjusted for patient 0 to 999 mL kg Derived weight Spon Ve Spontaneous minute volume 0 to 99 9L Derived Spon Ve kg Spontaneous minute volume 0 to 999mL kg Derived adjusted for patient weight L1524 Rev D 255 Chapter 11 Appendices 256 Avea ventilator system DISPLAY DESCRIPTION RATE TIME MONITORS RANGE ACCURACY PRESSURE MONITORS Rate Breath Rate 0 to 200 bpm 3 or 2 bpm whichever is greater SponRate Spontaneous breath rate 0 to 200 bpm 396 or 2 bpm whichever is greater Ti Inspiratory time 0 00 to 99 99 0 03 sec sec Te Exhalation Time 0 00 to 99 99 0 03 sec sec Inspiratory expiratory ratio 1 99 9 to 99 9 1 Derived from accuracies for Note Not active for demand breaths monitored Ti and Te Rapid shallow breathing index 0 to 500 Derived from accuracies for b min L spontaneous breath rate and spontaneous minute volume Ppeak Peak inspiratory pressure to 120 2 3 596 of reading 2 Not active with spontaneous breaths cmH 0 wh
128. d UIM 136 L1524 Rev D Avea ventilator system Chapter 7 Calibration 1 Inspiratory Pressure Calibration From the Calibration screen menu press INSP PRES to access the INSP PRES screen INSP PRES Push to 40 0 rS Cal emH20 cmH20 cml420 Figure 7 9 Inspiratory pressure transducer calibration screen 2 Disconnect the luer fitting and tube from port E4 on the gas delivery engine See Figure 7 10 and the tubing diagram in appendix B Figure 7 10 3 With NOTHING attached to the port press the Zero 0 calibration button on the touch screen Attach the calibration assembly shown in Figure 7 11 to port E4 on the gas delivery engine 5 Using the calibration syringe slowly apply negative pressure to the port at E4 Turn counter 8 clockwise for negative pressure Refer to the reading on the calibrated Pressure Manometer model RT200 or equivalent recommended When the correct reading of 40 cmsH O is obtained press the corresponding calibration button on the touch screen For positive pressure calibration turn the syringe handle clockwise until the reading matches the 75 cmH O number on the touch screen then press the corresponding button Press EXIT L1524 Rev D 137 Chapter 7 Calibration Avea ventilator system 9 Disconnect calibration set up from EA 10 Reconnect the Luer fitting and tube into port E4 on gas delivery engine ES NS 1 5
129. dex f V The ventilator is capable of displaying the calculated value for Rapid Shallow Breathing Index f V which is the spontaneous breath rate per tidal volume and is based on the following formula f V where f spontaneous breath rate BPM and spontaneous minute ventilation in LPM Range 0 to 500 b min L Resolution 1 b min L Chest wall Compliance Ccw Chest wall Compliance is the ratio of the tidal volume exhaled to the Delta Esophageal Pressure Vte dPzs Range 0 to 300 mL cmH O Resolution 1 mL cmH O Note Requires an esophageal balloon catheter Accuracy 1096 Lung Compliance Lung Compliance Ciunc is the ratio of the tidal volume exhaled to the delta transpulmonary pressure The delta transpulmonary pressure is the difference between the airway plateau pressure during an inspiratory pause and esophageal pressure at the time the airway plateau pressure is measured minus the difference between the airway and esophageal baseline pressures Vt E where dP iarre Pe ar aw Pes PEEPaw PEEPes PLAT TP Range 0 to 300 mL cmH O Resolution 1 mL cmH O Note Requires an Inspiratory Hold maneuver and an esophageal balloon catheter Accuracy 10 Compliance Ratio C20 Compliance Ratio C is the ratio of the dynamic compliance during the last 20 of inspiration C20 to the total dynamic compliance C
130. e ACLine Voltage Varies Internationally Same Patient Circuit 6 2 m Adult 6 2 m Adult Infant Compliance 20 mL cmH O NA Resistance 5 cmH O Liters per second NA Note Compliance and resistance values are test lung specifications To conduct Manual Alarms Testing on the Avea ventilator using default settings complete the following steps A table describing the default settings for Adult Pediatric and Neonatal patient sizes follows Please refer to software release notes of the current version of software in the Avea that is being tested to obtain the specific default values The default values listed on the following pages are those for software versions 3 7 and greater 96 L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP Table 5 2 Ventilation Setup Vent Setup Adult Setting Pediatric Setting Neonate Setting Artificial Airway Off Off Off Compensation Leak Off Off Off Compensation Circuit Compliance 0 0 mL cmH O 0 0 mL cmH O 0 0 mL cmH O Compensation NOT active in Neonates Circ Comp Table 5 3 Primary Controls Adult Setting Pediatric Setting Neonate Setting Breath Type Mode Volume A C Volume A C TCPL A C Tidal Volume 500 mL 100 mL NA Volume Peak Flow 60 L min 20 L min 8 L min Inspiratory NA NA 15 cmH O Pressure Insp Pres Inspiratory Pause 0 0 sec 0 0 sec 0 0 sec Insp Pause Inspiratory Time NA NA 0 35 sec Insp Time Inspiratory Flow 1 0 L mi
131. e 256 E E Cylinder bracket assembling 39 EEPROM reinitializing 159 ELAN Software upgrading 115 EMC v EMI shield removing and installing 76 Enhanced Patient Monitor board removing and installing 67 Enhanced Patient Monitoring PCB 21 EPM board removing and installing 67 error codes 173 log 172 log messages 174 exhalation corner assembly assembling and disassembling 51 exhalation diaphragm replacing 166 exhalation valve body 166 characterization test 151 leak test 153 membrane 166 removing and installing 72 exhaled tidal volume 255 adjusted for ideal body weight 255 275 Service Manual expiratory Time 256 Extended Systems Test EST 92 external 17 Ah lead acid batteries 16 external battery instaling 30 F fan 21 removing and installing 69 Field Barometric calibration 158 flash memory 15 flow control system 19 flow sensor 168 removing 166 Flow Valve Characterization Test 149 front interface panel removing and installing 77 fuses 61 63 G gas delivery engine 18 assembling and disassembling 53 block diagram 18 H heated expiratory system 20 heater assembly removing and installing 75 Hot Wire Flow Sensor 264 hour meter 20 hysteresis test 152 inhaled tidal volume 255 adjusted for ideal body weight 255 inlet system 18 inspiratory time 256 Inspiratory Expiratory ratio 256 internal batteries removing and installing 60 internal NiMH batteries
132. e a visible readout and therefore must be read by software The hour meter is hard mounted in the pneumatics module and is cabled to the TCA PCB Heated Expiratory System The heated expiratory system consists of a heated filter contained in a chamber with a micro controller controlled heater a water collector an exhalation flow sensor and a servo controlled exhalation valve The expiratory system is located at the end of the patient circuit The Exhalation Valve regulates gas flow out of the patient circuit and the diaphragm position of the voice coil type active Exhalation Valve controls the exiting gas flow rate and patient circuit pressure with precision Pressure feedback data is sent to the Electronic Control Unit continuously which interprets the data and based upon current ventilator settings signals back to position the Exhalation Valve Diaphragm Since the ventilator will be used in neonate pediatric and adult ranges the exhalation servo can be optimized for each circuit type to be used The Water Collector and Filter remove contaminates from the gas flow before they reach the Flow Sensor Exhalation Valve or the environment Also warm air exhausts through the Exhalation System enclosure to the atmosphere The system incorporates a resettable fuse The expiratory flow sensor determines flow by measuring the pressure difference across a variable orifice The variable orifice is created with a thin circular shaped piece of stainless
133. e computer copy the new software binary files see the Requirements section to the computer hard drive as follows Double click on My Computer Double click on the CD ROM Drive to open the window and display the files Right click on each of the files displayed in turn and select Copy then right click on the computer desktop and select Paste The files should appear on the desktop Remove the CD ROM from the computer drive From an e mail attachment Right click on the e mail attachment From the pop up dialog box select Save As Browse to your desktop and click Save The files should appear on the desktop L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade 2 Connect the Avea 1 Connect the serial cable to the computer COM port selected for use usually Com1 or Com2 2 Connect the other end to the ventilator serial port 1 shown here Serial port Figure 6 8 3 Open terminal emulation software HyperTerminal is used here Note Be aware that the version information and possibly the binary file name may be different for your situation 1 From your desktop click the START button at the lower left of the screen 2 From the pop up menu select Programs then Accessories then Communications When the Communications pop up appears click Hyper Terminal MS DOS Prompt Add ese Book MY Windows Update E Outlook Express 10 Caculator GT New Olfice Document 3
134. e flow at the end of inspiration is 135 L min or greater Re connect wall air supply Verify compressor shuts off and ventilation continues uninterrupted using the wall air supply Power Indicators and Charging Verification 1 2 3 Power the unit up Verify the Power On indicator is lit It will be green Ensure that when the unit is connected to AC Power the AC indicator is lit It will be green If the unit is equipped with an external battery check and verify the external battery charging and status indicators Check the internal battery standard feature charging and status indicators Power On indicator POWER ON OFF 1 indicator External battery indicators Internal battery indicators Figure 5 5 The charging status indicators are Green 8096 or more charge remaining for external battery 9096 or more charge remaining for the internal battery Yellow Less than 8096 for external battery less than 9096 for the internal battery Red Less than 4096 for external battery less than 2096 for the internal battery Proceed with the rest of the O V P testing L1524 Rev D 105 Chapter 5 Operational Verification Procedure OVP Avea ventilator system Note Depending on the type of front panel installed on the Avea there may be two sets of LED charge indicators one for external and one for internal batteries B
135. e instructions Added the Coldfire service screens Clarified the transducer screens Clarified the Flow Characteristic Test Clarified the Exhalation Valve Characteristics Test Added instructions for removing the O sensor Corrected the battery specifications Added the Coldfire UIM to Digital Communication Labeled the internal battery fuse on the rear panel diagram Removed software descriptions Added barometric pressure for the Coldfire UIM Added parameters to Monitor Ranges and Accuracy in the appendix Added EtCO OVP GDE and EPM to the glossary Added component removal and components of OVP to the index Clarified the Compressor test in OVP L1524 Rev D Avea ventilator system Service Manual Notices EMC Notice This equipment generates uses and can radiate radio frequency energy If not installed and used in accordance with the instructions in this manual electromagnetic interference may result The equipment has been tested and found to comply with the limits set forth in EN60601 1 2 for Medical Products These limits provide reasonable protection against electromagnetic interference when operated in the intended use environments described in this manual The ventilator has been tested to conform to the following specifications MIL STD 461D 1993 MIL STD 462D 1993 EN55011 1991 IEC 1000 4 2 1994 IEC 1000 4 3 1994 IEC 1000 4 4 1994 IEC 1000 4 5 1994 QUASI STATIC 1993 This ventilator
136. e of an expiratory limb flow sensor protected by a heated filter Finally the fourth feature is the ability to measure tracheal and esophageal pressures which is currently commercially available only on other CareFusion ventilators The stand is used to support the ventilator at an ergonomically correct height It may contain an optional external battery for extended use with AC power custom stand only It also has an optional O tank bracket so that the unit can be used without wall oxygen during inter hospital transport The stand does not contain active electronic or mechanical components other than the optional external batteries which are charged when connected to A C Power L1524 Rev D 11 Chapter 2 Theory of Operation Avea ventilator system Printer USER INTERFACE RS232 x2 MODULE UIM User Input MIB VGA High S peed Power Serial Channel HSSC Amen Enhanced E Monitors Gas ID ca Air Heliox Nebulizer Drive gas 02 Supply AC Power _ gt 24 VDC AREA aree i COMPRESSOR Humidfier Delivered Gas Optional Optional rd esee Nurse Call Analog 1 0 Exhaled Gas ILV from patient 02 Exhaust sensor PNEUMATICS MODULE Exhaled Flow EXTERNAL BATTERY Optional Figure 2 1 High End Device Modular Diagram 12 L1524 Rev D Avea ventilator system Chapter 2 Theory of Operation Detail Design Us
137. e of any combination of settings when size is PED or ADULT that will produce an of greater than 5 seconds Invalid Calibration Service State Only Validation failure while calibration dialog box is active for selected device Error saving Serial Model Number Service State Only On accept of Serial Number or Model Number Change Clear Messages Service State Only Validation success while calibration dialog box is active for selected device FCV Characterization in progress Service State Only On start of Flow Control Valve characterization procedure FCV Characterization complete Service State Only On successful completion of Flow Control Valve characterization procedure FCV Characterization failed Service State Only Unsuccessful completion of Flow Control Valve characterization procedure Validation failure characterization and tuning data Installed Software Version Power Up Current Time Date and Runtime Hours Main key pressed DPRAM Comm Error Ctrl Loss of Communication with Control microprocessor Printing Print Screen button was pressed commenced sending screen data to printer Printer Out of Paper Print Screen button was pressed printer reported it is out of paper Printer Offline Print Screen button was pressed printer is not available 252 L1524 Rev D Avea ventila
138. e of the holder Figure 8 12 Align rubber elbow Reconnect the sensor and insert the two tubes into the tubing retainer Figure 8 13 Tubing retainer Replace the exhalation assembly cover and top cover Replace and reconnect the UIM Run OVP tests after any part replacement Replacing the O Sensor 1 2 Locate the rubber boot covering the sensor the back of the Gently remove the boot from the sensor and remove the connector attached to the sensor Unscrew the O sensor and remove it from the GDE Remove the new sensor from the packaging and screw it into the orifice in the GDE Connect the O cell connector Replace the rubber boot onto the sensor L1524 Rev D 169 Chapter 8 Preventive Maintenance Avea ventilator system 170 L1524 Rev D Avea ventilator system Service Manual Chapter9 Troubleshooting This section describes how to troubleshoot the ventilator if e The ventilator does not turn on properly e A Vent occurs when you turn on the ventilator e An Operational Verification Test fails e malfunction occurs If the Ventilator Does not Turn ON If you turn the power switch ON and the ON indicator does not illuminate perform the troubleshooting procedures given in Table 9 1 Table 9 1 Troubleshooting Power Up Problems PROBLEM POSSIBLE CAUSE ACTION Ventilator plugged into an No power at AC outlet or the Try connecting to a known good AC AC
139. e panel 9 Position the front panel and install 2 KEPS nuts on the bottom and 2 screws on the bottom of the front panel Position the back panel and install 7 Phillips screws 2 on the lower back panel and 5 on the bottom panel Turn the unit over and place back on stand Attach EPM board to chassis use alignment notches as in Figure 4 14 Install the 2 KEPS nuts the EMI shield brass bracket and ribbon cable Attach the flow sensor cover by installing the 3 SEMS screws Referring to this chapter reconnect the internal batteries and install the following components Metal cover UIM and the top plastic cover Exhalation Corner Fan Assembly P N 51000 40861 L1524 Rev D Avea Fan Qv ebore 29 QUE Oro e ventilator system Chapter 4 Assembly and Disassembly Removal Referring to the instructions in this chapter remove the following components UIM Metal top cover Disconnect internal batteries Disconnect the fan cable from the wire harness of the transition board Pop off the fan filter cover Remove the filter and the filter cover Remove the 4 2 5 Phillips screws holding the fan filter housing Remove the fan assembly and the fan cover Installation Insert the honeycomb shield into the shroud Insert the fan assembly into the shroud ensuring the wire assembly is facing towards the lower outside corner of the ventilator Align the fan cover on the outside of the chassis
140. e test lung from patient circuit An audible alarm sounds Press the Alarm Silence button and verify that the audible portion of the alarm is disabled for 2 minutes 1 second or until the Alarm Silence button is pressed again Alarm Reset Reconnect the test lung to the patient circuit The alarm message should turn yellow Press the Reset button to cancel the visual alarm message Alarm Limits Press the Alarm Limits screen button Press the button again to toggle the screen on and off Manual Breath Press this button during the expiration phase of a breath Verify that the ventilator delivers a single mandatory breath at current ventilator settings Suction LED Press the Suction button Both Suction and 7 960 LEDs should Illuminate Press Suction again Both Suction and T 0 LEDs should disappear Increase Press the Increase O button T 960 Verify that the LED Illuminates Press the button again and verify that the LED turns off Accept Change any parameters press accept and verify the new setting is entered Cancel Change any parameters press Cancel ensure new setting is canceled Expiratory Hold Press and hold the Expiratory Hold button The pressure waveform should display as a flat line for about 20 seconds in Adult and Pediatric Patient modes Inspiratory Hold Allow to cycle then press and hold the inspiratory hold button and it will plateau at the top of the inspiratory cycle in the adult and p
141. ection on the bottom of the Avea UIM Attach the CO sensor to the appropriate airway adaptor Access the Capnography Utilities by depressing the Screens soft button select the Utility Screen and select the Monitoring tab Follow the procedure for zeroing the CAPNOSTAT 5 Press Continue when the procedure is complete Press Calibration Check and then Continue Set the Temperature setting to that of the calibration gas typically room temperature See Figure 7 37 CO Calibration Check 5 10 or Celsius Temperature Figure 7 37 L1524 Rev D 155 Chapter 7 Calibration Avea ventilator system 7 Attach a regulated flowing gas mixture of 596 CO 0 0396 balance nitrogen N2 to the airway adapter Set the flow rate of the calibration gas to 2 5 liters per minute 8 Allow 10 seconds for the reading to stabilize The expected reading is 5 0 26 9 Press Exit Note The procedure is to be performed annually Note While the Calibration Check routine is in process all alarms are suspended The alarms will resume when the procedure is complete Manufacture Barometric Calibration Note This calibration MUST be done with an absolute pressure meter Serum Datum 2207 or similar certified absolute pressure meter recommended 1 Reinitialize EEPROM as per directions in this chapter 2 Gotothe calibration screen and enter the password The following screen will appear C
142. ections The following directions are for the Software Upgrade to the Avea Coldfire units Only Coldfire software may be used to upgrade a Coldfire UIM This document provides a brief overview of the procedure to upgrade ventilator software using the RS232 serial port of the Avea The HyperTerminal utility available within the Windows environment is used here as an example Any suitable terminal emulation software would work as well Requirements Computer with a serial port COM1 or 2 Terminal Emulation Software for example HyperTerminal works well configured for serial connection 115Kb 8 N 1 flow control OFF see the instructions below Avea ventilator with Software Upgrade Utility Version 3 0 or higher installed A Serial cable to connect the computer to the serial port of the ventilator A straight through cable with null modem adapter or null modem cable with gender changer both work fine New binary files for the ventilator 63603X bin Monitor and 63602X bin Control X indicates the revision of the released software in alphabetic characters e g 63603 is revision F 1 Establish a HyperTerminal connection with the following settings e Connect using 1 PortSettings Bits per second 115200 Data bits 8 Parity None Stop bits 1 Flow control None 2 Power on the ventilator unit while holding down the EXP HOLD button on the UIM L1524 Rev D 111 Chapter 6 Avea Software Upgrade Avea ven
143. ed EMI shield and blue flex cable Disconnect the 10 pin ribbon cable from the front of the GDE Remove the board from chassis by removing the 2 Phillips screws Remove ventilator assembly from the stand Turn the unit upside down and place on 2x4 to take weight off of the 4 standoffs Remove 7 Phillips screws 2 from the lower back panel and 5 from the bottom panel Remove bottom panel Remove 2 screws from the top of the front panel Loosen 2 KEPS nuts from the bottom that hold the front panel Pull off front panel Loosen 1 KEPS nut from the bottom and 4 screws on the front panel Remove the blue tubing from the nebulizer to the front panel Gently pull the blue ribbon cable through the narrow slot at the top center to the front interface panel and the rest of the wiring through the recessed compartment in the chassis Caution Never pull on a cable during disconnection L1524 Rev D 67 Chapter 4 Assembly and Disassembly Avea ventilator system 68 Installation Figure 4 12 EPM Board alignment notches Note Ensure that you do not pinch any tubing since this can result in damage to the Avea Gently feed the blue ribbon cable through the narrow slot at the top center of the front panel and the wiring through the recessed compartment in the chassis Attach the blue tubing from the nebulizer to the front panel 3 Tighten 1 KEPS nut on the bottom and 4 screws on the front interfac
144. ediatric patient modes Nebulizer Press the Nebulizer button verify that nebulization is synchronized with breath rate You will feel air coming out of the nebulizer fitting Lower peak flow 14L min and neb not available should appear Change to Neonate population and verify nebulizer is inactive Mode Press the Mode button Verify that the Mode sub screen appears Patient Size Select a Patient size from the menu Ensure the correct LED is displayed for the patient size currently selected Change patient size to Pediatric and then to Neonate Verify correct LED display for each one Panel Lock Press the Lock button and verify no access to screen functions Verify manual breath suction increase O and alarm silence buttons are functional during panel lock Set up Press the Setup button and verify that the Setup screens appears Press Size Accept and Set up Accept Advanced Settings Press the Advanced Settings screen button Toggle the screen on and off Verify that the screen responds correctly Event Press Events and verify the sub screen appears press again to check that the Main screen reappears Freeze Press the Freeze button All graphics screen update should cease the waveforms freeze Measurement bar appears Press again and ensure normal refresh of the waveform sweep continues in the Main screen L1524 Rev D 103 Chapter 5 Operational Verification Procedure OVP Avea ventilator system 19 Scree
145. entilation the default control setting for Inspiratory Pressure on your ventilator Verify that the High Ppeak alarm activates Return the alarm setting to its default value and clear the alarm by pressing the reset button Set the Low Ve alarm setting to a value above the measured Ve on your ventilator Verify that the Low Ve alarm activates Return the alarm setting to its default value and clear the alarm by pressing the reset button Set the High Ve alarm setting to a value below the measured Ve on your ventilator Verify that the High Ve alarm activates Return the alarm setting to its default value and clear the alarm by pressing the reset button Set the High Vt alarm setting to a value below the set Vt on your ventilator Verify that the High Vt alarm activates Return the alarm setting to its default value and clear the alarm by pressing the reset button Set the Low Vt alarm setting to a value above the set Vt on your ventilator Verify that the Low Vt alarm activates after the set number of breaths as determined by the Low Vte sensitivity in the Utility Screen Return the alarm setting to its default value and clear the alarm by pressing the reset button Set the High Rate alarm to a value below the default control setting for rate on your ventilator Verify that the alarm activates Return the alarm to its default setting and clear the alarm by pressing the reset button Neonatal and Pediatric verification of Circuit Disconnect Alar
146. er Interface Module UIM The UIM consists of a 12 1 inch 800x600 active matrix LCD with an analog resistive touch screen overlay a back light inverter a set of membrane key panels an optical encoder and a Control PCB Software and the touch screen provide a set of context sensitive soft keys The membrane panel provides a set of hard permanent keys for dedicated functions Selecting the function with a soft key and adjusting the setting using the optical encoder changes a parameter The parameter is accepted or canceled by pressing the appropriate membrane key LCD amp TOUCHSCREEN 1 amp 2 MEMBRANE PANEL WITH EMBEDDED LED S BACK LIGHT AC VOLTAGE TOUCH SCREEN BACK LIGHT INVERTER DIGITAL CONTROL PCB 7 UNIVERSAL SERIAL BUS FUTURE PRINTER y DC DC RS232 MIB CONVERTERS LL CRT 2 3 3V DIG LOGIC 24VDC HIGH SPEED SERIAL Figure 2 2 User Interface Design Module Block Diagram L1524 Rev D 13 Chapter 2 Theory of Operation Avea ventilator system 14 The UIM performs all ventilator control functions gas calculations monitoring and user interface functions The UIM uses a Graphical User Interface GUI via the active matrix SVGA LCD and resistive touch screen to provide system and patient information to the user and to allow the user to modify ventilator settings The Control PCB with two micro controllers RAM ROM and support electronics provide
147. er output absent Nebulizer output reduced absent 1 Unit running on compressor or flow 15 L min 2 Bad Nebulizer Solenoid 3 Transition PCB bad harness connection 4 Problem on Power PCB 1 Neb booster output low 2 Kinked tubing externally 3 Kinked tubing internally 4 Bad Neb Booster Solenoid Avea ventilator system Solution s 1 Connect wall air increase flow if applicable 2 Replace Solenoid 3 Call CareFusion Technical Support 4 Replace Power PCB if solenoid doesn t fix 1 Adjust Neb booster output 2 Check replace tubing to nebulizer 3 Check unit for kinks or disconnects 4 Replace Solenoid Check Voltage at Solenoid both Should be 12 0 while running with cycling heard If voltage problem is seen suspect problem at areas With Table 9 8 Sensor Symptom Problem Solution s on monitor FiO reading out of upper or lower range Run EST with 50 psi oxygen source connected Recalibrate replace sensor reading inaccurate 1 sensor out of calibration 2 Blocked sensor orifice 3 Oy Air Relay out of balance 4 Malfunctioning Blender Assembly 1 Run EST with 50 psi oxygen source connected or recalibrate replace sensor 2 Insure patency of orifice 3 Calibrate O Air Relay 4 Replace Blender GDE will not read 1 Bad O sensor 2 Bad O sensor cable 3 TCA board problem 1 Replace sensor
148. esophageal pressure Py Plat Petar aw Pes Range 60 to 120 cmH O Resolution 1 cmH O Accuracy 2cmH5O or 596 whichever is greater Note This requires an inspiratory hold and an esophageal catheter Transpulmonary Pressure AutoPEEP PEEP Transpulmonary pressure AutoPEEP P amp 4PEEP is the difference between the corresponding airway and esophageal pressures at the end of the expiratory hold during an AutoPEEP maneuver P amp PEEP Paw Pes at the end of an expiratory hold Range 60 to 120 cmH20 Resolution 1 cmH O Accuracy 2 cmH20 or 596 whichever is greater Note Requires an inspiratory hold and an esophageal catheter Maximum Inspiratory Pressure MIP L1524 Rev D Maximum Inspiratory Pressure MIP is the maximum negative airway pressure that is achieved by the patient during an expiratory hold maneuver Range 60 to 120 cmH O Resolution 1 cmH O Accuracy 2cmH5O or 596 whichever is greater 269 Chapter 11 Appendices Avea ventilator system 270 Respiratory Drive Respiratory Drive P100 is the negative pressure that occurs 100 ms after an inspiratory effort has been detected P oo Pena 100 PEEPaw Range 60 to 120 cmH O Resolution 1 cmH O Accuracy 2 2 or 596 whichever is greater Ventilator Work of Breathing WOBy Ventilator Work of Breathing WOBy is defined as the summation of airway pressure Paw minus the
149. esponse from the operator to ensure proper functional test of the Secondary alarm Disconnect expiratory sensor and turn unit ON Disconnect speaker wire from J1 of the Secondary alarm P C B A The secondary alarm must sound continuously approximately 20 seconds after wire is disconnected at J1 Reconnect speaker wire at J1 and secure all wires and tubes with cable ties as shown in photos 4 and 5 L1524 Rev D 85 Chapter 4 Assembly and Disassembly Avea ventilator system 5 Oncethe test has passed the bottom plate can be reattached and the unit can be placed back on the cart Figure 4 16 Photo 1 1 1 m 0 0 ne E d Connector in Wrap Wire 71 Figure 4 17 Photo 2 86 L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Red Terminal IN gt 7 Shown Without Battery Installed Figure 4 18 Photo 3 5 Tie Wrap 35 6 Figure 4 19 Photo 4 L1524 Rev D 87 Chapter 4 Assembly and Disassembly Avea ventilator system Figure 4 21 Photo 6a Prior to ventilator serial ADV03500 88 L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Figure 4 22 Photo 66 After ventilator serial ADV03500 L1524 Rev D 89 Chapter 4 Assembly and Disassembly Avea ventilator system 90 L1524 Rev D Avea ventilator system Service Manual Chapter 5 Operational Verification Procedure OVP Warning
150. f 1 Excessively discharged battery State 1 Allow to charge 2 Bad LED indicator panel 2 Replace LED indicator panel LED red to green no yellow 1 Can occur normally with ext battery 1 Perform discharge recharge cycle as external battery only charge per OVP section External battery not detected 1 System not detecting external battery 1 Plug unit into A C Connect external battery Then turn unit on 176 L1524 Rev D Avea ventilator system Table 9 3 Compressor All symptoms below assume NO wall air in use Chapter 9 Troubleshooting Compressor Board must be replaced together on older units Check all cables and connector before replacing parts Symptom No compressor function and no indicator No compressor function indicator present Loss of gas alarms without O in use Loss of air alarms with in use Excessive compressor noise vibration L1524 Rev D Problem 1 Standard unit without compressor 2 Bad Air Calibration 3 Bad Blended Gas Calibration 4 Faulty fuse on compressor PCB 5 Bad compressor PCB 1 Unit is reading air pressure with none present 1 Low compressor output 2 Compressor leak 3 Accumulator depletion 1 Low compressor output 2 Compressor leak 3 Accumulator depletion 1 Incorrect mounting 2 Defective worn Vibration dampeners Solution s 1 Option on Avea 200 2 Check Air Calibration 3 Check Blended gas Calibration 4 Replace
151. f the front panel Loosen 2 KEPS nuts from the bottom that hold the front panel Pull off the front panel Loosen 1 KEPS nut from the bottom and 4 screws on the front panel Remove the blue tubing from the nebulizer to the front panel Gently pull the blue ribbon cable through the narrow slot at the top center of the front interface panel and the rest of the wiring through the recessed compartment in the chassis Installation Gently feed the blue ribbon cable through the narrow slot at the top center of the front panel and the wiring through the recessed compartment in the chassis Attach the blue tubing from the nebulizer to the front panel 3 Tighten 1 KEPS nut on the bottom and 4 screws on the front interface panel Position the front panel and install 2 KEPS nuts on the bottom and 2 screws on the bottom of the front panel L1524 Rev D 77 Chapter 4 Assembly and Disassembly Avea ventilator system Position the back panel and install 7 Phillips screws 2 on the lower back panel and 5 on the bottom panel Turn the unit over Install the 2 KEPS nuts the EMI shield brass bracket and ribbon cable Attach the flow sensor cover by installing the 3 SEMS screws Referring to the instructions in this chapter install the following components Ventilator assembly onto the base Gas delivery engine assembly UIM and the top cover Bottom Cover 78 Removal Remove the following Exhalati
152. ferred aves Hyper 10 x Edi View Esl Tronster Help Dia 518 5 fie Software Upgrade Utility Version 1 0 Download Monitor DC Download Control dc Start 1k Xnodem transfer fron PC to Control Processor CCCCCCCCC Control Processor Version 1 9 download verified RUeR Software Upgrade Utility Version 1 0 DM Download Monitor DC Download Control Connected 0 03 41 Auto detect 115200 cars Precio Figure 6 19 7 Repeat the process by typing DM at the command prompt and pressing RETURN to start the download for the Ventilator Monitoring software 8 Select the SendFile command from the Transfer menu 9 Ensure the protocol is set to 1K XMODEM 10 Select the Monitor file e g 635X bin as the file to send for the monitor program 11 When the transfer is complete power down the ventilator and disconnect from PC The upgrade is complete L1524 Rev D 123 Chapter 6 Avea Software Upgrade Avea ventilator system 124 Checks When you turn the Ventilator Back ON the Power On Self Tests POST will be performed automatically as detailed in the Operator s Manual When the MAIN screen displays you will see the new version displayed on the bottom of the Touch Screen Confirm active waveforms are displayed on the MAIN screen Complete the checklist for this procedure and return or FAX to CareFusion Technical Support 22745
153. flow 144 expiratory pressure 142 inspiratory pressure calibration 137 O2 inlet pressure 145 Wye flow 140 transformer 171 troubleshooting 171 U UI M 13 assembling and disassembling 50 verifying 102 unpacking instructions 44 User Interface Module 13 User Interface Module UIM assembling and disassembling 50 verifying 102 User Verification Tests 91 UVT User Verification Tests 91 V vent inop 171 alarm 172 ventilator specifications 243 ventilator wheeled base assembling and disassembling 59 W warnings 2 277
154. followed to ensure proper verification and or calibration 9 Press the INSP PRES icon and verify that the stored and A D information is in the thousands range EXAMPLE A D 2000 Stored 1500 2000 2900 and the message INVALID CALIBRATION does not appear L1524 Rev D 129 Chapter 6 Avea Software Upgrade Avea ventilator system INSP PRES Piht 40 75 Cal emH20 cmH20 cmH20 Figure 6 23 Note If INVALID CALIBRATION does appear then calibration of the transducer is required 10 Press EXIT and then Press ESOPH PRES 11 Verify that the unit is equipped with the Pes receptacle on the front of the unit If it does not ignore the INVALID CALIBRATION message otherwise calibration is required ESOPH PRES Push to 40 1 Cal cmH20 cmH20 cmH20 Stored 65535 essas INVALID CALIBRATION Figure 6 24 12 Press EXIT and perform this procedure for the remaining transducers Note If calibration is required it should be completed at this point Refer to the Transducer calibration steps 130 L1524 Rev D Avea ventilator system Service Manual Chapter7 Calibration Warning Service functions should always be done off patient Touch Screen Calibration Procedure Note The screen calibration will be lost and must be performed under the following circumstances e Erasure of the flash memory e Installation of new software Device configuration change Caution
155. fy the following The current version of software briefly flashes on the bottom of the UIM The SERVICE FUNCTION screen appears The vent inop alarm appears in YELLOW Pressing the ALARM RESET clears the YELLOW vent inop and is replaced by the solid GREEN bar Press the OVP icon and verify the following The OVP screen appears All alarms are silenced Perform a screen calibration as described in the section Touch Screen Calibration Procedure on page 131 L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade Test and Access of the Security System Note The passwords for the calibration mfg setup and model number are all based on the serial number of the unit as it is displayed in the service screen If the serial number of the device is incorrectly stored in memory then the password to change the serial must be acquired from a CareFusion Technical Support Specialist 1 Access the SERVICE FUNCTION screen as described above and verify the following e Press the MFG SETUP icon e Verify that the serial number as displayed matches the serial number on the back of the unit e If the correct serial number is not displayed note the serial number displayed Press the Main button on the UIM and note Hours Run This information will be needed to change the serial number of the unit 2 Contact CareFusion Technical Support for Security Codes Dial 800 328 4139 Follow prompts e Give the following detai
156. h 2 11 32 KEPS nuts Connect the wire to the driver transition board wi Referring to the instructions in this chapter install the following components e Front Panel e Bottom cover e Ventilator assembly onto the base e UIM and the top cover Caution Carefully place bottom cover on as not to pinch any wires from transition board between chassis and cover damage to the Avea may result L1524 Rev D 79 Chapter 4 Assembly and Disassembly Avea ventilator system Nebulizer Assembly P N 51000 40026 80 24 OX IUE Note When turning the unit over support it on 2x4 pieces of wood to avoid putting the entire weight of the unit on the 4 standoffs Removal Referring to the instructions in this chapter remove the following components UIM and the top cover Ventilator assembly from base Bottom cover Note Nebulizer may be activated when using an external compressed air source It is inactive during use of the optional internal compressor Turn the unit over and support it on 2x4 pieces of wood so as not to put the entire weight of the unit on the 4 standoffs Cut tie wraps on the nebulizer booster Remove wire harness Disconnect the two solenoid connectors to the driver transition board Disconnect the tubing from the accumulator Remove the 3 KEPS nuts that secure the nebulizer 2 on the left side and 1 on the right Maneuver the nebulizer out from behind the accumulator
157. hassis 6 Slide the top plastic top cover upward and forward away from the chassis Note Make sure the cover is completely free of front chassis prior to moving it forward to prevent damage to plastic cover 7 Remove the 2 Phillips screws and washers that secure the HSSC Cable on the GDE Unplug the HSSC Cable 8 Carefully feed the HSSC Cable through the plastic top cover opening 9 While continuously supporting the UIM remove 4 3 8 nuts that fasten the UIM support arm onto the pneumatics 10 Lift UIM off of pneumatics and set aside 11 Remove plastic cover and set aside 50 L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Installation 1 Place plastic cover onto top of pneumatics 2 While continuously supporting the replacement UIM position the UIM s four threaded mounting studs into the support arm mounting plate and secure it with 4 3 8 nuts 3 Carefully lift the plastic cover and feed the HSSC Cable through the plastic top cover opening towards the rear of the chassis 4 Slide the plastic top cover back in place 5 Install 2 Phillips screws and washers into the HSSC Cable and secure it to the connector on the GDE 6 Install 2 Phillips screws to secure the plastic top to the rear chassis 7 Use 4 11 32 KEP nuts to secure the plastic top cover opening onto the chassis 8 Tilt the UIM down and install the back arm cover Install
158. hat no wires are kinked or scuffed during assembly Maintain tension on drop cable from top of cart to prevent kinking at battery tray Sufficient cable slack must be available at top of cart to make connection at back of ventilator Battery tray mount Figure 3 14 10 Attach the faceplate removed earlier in the instructions to the bottom of the battery tray with the hardware supplied 34 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions 11 Re attach the ventilator body to the stand making sure the external battery cable lays untwisted in the cable slot and emerges at the rear of the ventilator SEC To the rear of the ventilator Figure 3 15 12 Connect the external battery cable to the connection labeled EXT BATT on the rear panel of the Avea EXT Figure 3 16 13 Plug the Avea into a grounded AC outlet and apply power to the ventilator 14 Checkthat the battery status display on the front panel indicates that the ventilator is connected to External battery power Note The battery status will indicate red immediately after the external batteries are connected and the unit is powered up If the batteries are fully charged the battery status should indicate green charged within one hour of connection If the batteries are not fully charged it may take up to 48 hours to indicate green Refer to your operator s manual for recommended battery charging L1524 Rev D 35 Ch
159. ichever is greater Pmean Mean airway pressure Oto 120 cmH O 3 5 of reading or 2 cmH 0 whichever is greater Pplat Plateau pressure If no plateau 0 to 120 cmH O 3 5 of reading or 2 occurs then the monitor displays cmH50O whichever is greater PEEP Positive end expiratory pressure 60cmH O 3 5 of reading or 2 cmH 0 whichever is greater Air Inlet Air inlet gas supply pressure 0 to 80 psig 5 psig 1 4 5 5 bar O2 Inlet GAS COMP Oxygen inlet gas supply pressure OSITION MONITORS 0 to 80 psig 5 psig 1 4 5 5 bar 2102 Delivered percent O 0 to 10096 t 396 MECHANIC Cdyn Dynamic Compliance Cpyn and O to 300 Derived Kg absolute and normalized to mL cmH O Cdyn Kg patient weight 0 00 to 5 00 mL cmH O kg Cstat Respiratory System Compliance Cas 0 to 300 Derived a k a Static Compliance Csrar mL cmH O Cstat Kg absolute and normalized to patient 0 00 to 5 00 weight mL cmH O kg Note This requires an Inspiratory Hold maneuver Rrs Respiratory system resistance to 100 Derived Note Calculation is performed during H2O L sec an Inspiratory Hold maneuver PIFR Peak Inspiratory flow rate 0 to 300 L min 1096 of setting or 0 2 All patients L min 1096 of setting whichever is greater L1524 Rev D Avea ventilator system PEFR DISPLAY DESCRIPTION Peak Expiratory flow rate RANGE 0 to 30
160. ient Graphical Symbol in CANCEL do not accept entered values general use internationally for DO NOT CareFusion symbol Select DISPLAYED SCREEN function L1524 Rev D 5 Chapter 1 Introduction Avea ventilator system Source Compliance Meaning Symbol Symbol 5467 IEC 60417 FREEZE the current display CareFusion symbol Enable the ALARM LIMITS screen CareFusion symbol This symbol indicates a CONTROL LOCK CareFusion symbol NEBULIZER port CareFusion symbol Increase OXYGEN CareFusion symbol PRINT SCREEN CareFusion symbol SUCTION port Ic CareFusion symbol VARIABLE ORIFICE FLOW SENSOR connection HOT WIRE FLOW SENSOR connection CareFusion symbol Indicates GAS ID port a 7 CareFusion symbol OXYGEN SENSOR connection 6 L1524 Rev D Avea ventilator system Chapter 1 Introduction Symbol Source Compliance Meaning CareFusion symbol OVERPRESSURE relief CareFusion symbol REMOTE NURSE CALL connection CareFusion symbol UNIVERSAL INTERFACE MONITOR connection CareFusion Symbol This symbol indicates an EXTERNAL BATTERY INPUT CareFusion Symbol This symbol indicates an INTERNAL BATTERY FUSE CareFusion Symbol This symbol indicates ALARM LOUDNESS CareFusion Symbol Operating on Battery Indicator CareFusion Symbol Operating on Heliox L1524 Rev D 7 Chapter 1 Introduction Avea ventilator system 8 L1524 Rev D Avea ventilator system Service Manual Chapter 2
161. inal Voltage Range Frequency Range 100VAC 85 to 110 VAC 47 to 65 Hz 120VAC 102 to 132 VAC 55 to 65 Hz 230VAC _ 196 TO 253 VAC 47 to 65 Hz 240VAC _ 204TO 264 VAC 47 to 65 Hz L1524 Rev D 243 Chapter 11 Appendices Avea ventilator system 244 DC Power Supply The ventilator can also operate from a 24 VDC power source internal or external battery Internal Battery The ventilator operates for 30 minutes when operated on the internal battery with a compressor and one hour on a 50 PSI air source The maximum charge time to achieve a full charge is 8 to 12 hours External Battery With an external battery supplying 22 0 to 26 4 VDC the ventilator will operate for two hours with a compressor and four hours on a 50 PSI air source Data Input Output Analog Inputs The ventilator provides up to 8 programmable channels for analog signal inputs Each channel shall be scalable for the input ranges specified Ranges 0 to 1 VDC 0 to 5 VDC 0 to 10 VDC Resolution 0 25 mV for 0 to 1 VDC 1 37 mV for 0 to 5 VDC 2 5 mV for to 10 VDC Analog Outputs The ventilator provides 4 signals to the analog output connector 1 Airway Pressure PAW Connection DB25 connector pin 22 Ground pins 9 13 Range 60 to 140 cmH O Scale 1 cmH 0 25 mV Accuracy 50 mV or 596 of reading whichever is greater Zero Offset 1 5 VDC at 0 cmH O L1524 Rev D Avea ventilator system Chapter 11 Appendices 2 Flow Connect
162. ing Attach a calibrated 0 150 psi regulator connected to the high pressure gas source and to a manometer Port C2 connection Connect accumulator tubing here Figure 7 30 Adapter for accumulator tubing Apply 9 psig from the regulator connected to wall or bottled gas When the correct reading is obtained on the manometer press the 9 psig touch screen button Press EXIT Disconnect the calibration set up from the accumulator output hose 9 Reconnect accumulator hose to accumulator output 10 11 Attach the metal hose stabilizer and replace cable tie on accumulator hose Reconnect the compressor output hose Flow Valve Characterization Test uo MP Note CHARACTERIZATION MUST BE RUN ON 50PSI WALL AIR TO PASS TESTING Connect a patient circuit and test lung Press the TUNING icon to access the SYSTEM TUNING screen After entering the password select EXERCISE FCV icon Figure 7 31 Wait at least 10 minutes and then press the CANCEL icon Disconnect patient circuit and test lung Press CHARACTERIZE FCV icon and ensure that the message FCV Characterization in Process appears in the lower area of the UIM L1524 Rev D 149 Chapter 7 Calibration Avea ventilator system 150 This test will run for approximately 30 seconds After the test either of the following messages will appear in the message bar in the lower part of the screen FCV Characterization Complete or FCV
163. inop 172 alarm speaker removing and installing 79 alarms manual 95 annual service 161 assembling and disassembling 49 exhalation corner assembly 51 gas delivery engine 53 metal top cover 52 User Interface Module UIM 50 ventilator wheeled base 59 B back light inverter 15 basic stand assembly installing 23 basic stand bracket assembling 40 batteries internal removing and installing 60 battery discharging 162 external 30 performance verification 106 run procedure 106 bias flow 272 blending accuracy verifying 108 block diagram pneumatics module 16 bottom cover removing and installing 78 breath rate 256 verifying 108 breath types 272 C cautions 3 charging verification and power indicators 105 circuit resistance 263 265 L1524 Rev D Service Manual CO2 calibration procedure 155 CO2 measurement units changing 158 Coldfire software upgrading 111 components list of 185 comprehensive cart assembling 31 36 comprehensive metal and plastic stand bracket assembling 43 Comprehensive Stand Assembly installing 25 Compressor Check 104 compressor filters 165 compressor system 21 compressor scroll pump removing and installing 65 contacting the manufacturer 191 control PCB 15 customer service 191 D DC voltage 171 definitions 272 diaphragm replacing 166 discharging the battery 162 DRAM 15 drawings and schematics 192 dynamic complianc
164. interface with external systems that are either wired for normally open N O close on alarm or normally closed N C open on alarm signals In the active state the remote alarm can sink 1 0 A The Remote Nurse Call cable may be permanently affixed to the Avea ventilator 1 Remove paper backing from the cable bridge P N 08231 and attach the bridge sticky side to the location as show in the photo provided 2 Insert the Remote Nurse Call cable into the receptacle until it clicks and locks into the position 3 Insert the cable tie P N 07803 provided through the cable bridge bend the Remote Nurse Call cable as show in the photo against the top of the cable bridge 4 Insert the pointed end of the cable tie through the opposite locking end of the cable tie and pull it finger tight only against the Remote Nurse Call cable 5 Ensure that the Remote Nurse Call Cable has a slight looping bend to it and not a sharp 90 degree bend This will ensure there is not undo stress applied to the Remote Nurse Call cable Cut off the excess cable tie flush with the locking portion of the cable tie Independent Lung Ventilation ILV The ventilator provides an output master and an input slave for synchronization of ventilators The output supplies a 5 VDC logic signal synchronized to the breath phase of the master ILV CABLE P N 16124 ILV CABLE KIT P N 16246 Atmospheric and Environmental Specifications Temperature and Humidity Storage Tempe
165. ion DB25 connector 23 Ground pins 9 13 Inspiratory Expiratory flow When selected the ventilator provides a continuous analog voltage representative of inspiratory flow minus expiratory flow Range 300 to 200 L MIN Adult 120 to 80 L MIN Pediatric 60 to 40 L MIN Neonate Scale Factor 1 L MIN 10 mV Adult 1 L MIN 25 mV Pediatric 1 L MIN 50 mV Neonate Accuracy 1096 of reading or 30 mV whichever is greater Zero Offset 3 0 VDC at 0 L MIN Machine When selected the ventilator provides a continuous analog voltage representative of machine delivered flow Range 0 to 200 L MIN Adult O to 100 L MIN Pediatric 0 to 50 L MIN Neonate Scale Factor 1 L MIN 25 mV Adult 1 L MIN 50 mV Pediatric 1 L MIN 100 mV Neonate Accuracy 1096 of reading or 30 mV whichever is greater Zero Offset None 3 Volume Connection DB25 connector pin 24 Ground pins 9 13 Range 1 00 to 4 00 L Adult 200 to 800 mL Pediatric 100 to 400 mL Neonate Scale Factor 1L V Adult 1 mL 5 mV Pediatric 1 mL 10 mV Neonate Accuracy 10 of reading or 30 mV whichever is greater Zero Offset 1 000 VDC L1524 Rev D 245 Chapter 11 Appendices Avea ventilator system 246 4 Breath Phase Connection DB25 connector pin 25 Ground pins 9 13 The ventilator provides a continuous analog voltage representative of breath phase Inspiration 2 5 VDC Expiration 2 0 VDC Digital Communic
166. iox Delivery 10 Standard Plus Comprehensive L1524 Rev D Avea ventilator system Chapter 2 Theory of Operation High Level Design Avea has been designed with three basic modules the user interface module UIM the pneumatics module PM and the stand see Figure 2 1 The UIM contains a graphical user interface GUI which utilizes a 12 1 inch SVGA color LCD screen with integral touch screen The UIM also contains a control PCB that has two microprocessors control and monitor The monitor processor manages the GUI while the control processor has the real time control system that controls all of the mechanical valves in the PM The UIM communicates with the PM via a high speed serial channel HSSC The HSSC also provides power to the UIM The pneumatics module PM contains all of the mechanical valves sensors analog electronics power supply including the internal batteries and the optional internal compressor The pneumatics module takes high pressure air or 80 20 heliox and oxygen from an external wall source or other high pressure source It filters the gas and blends them through a stepper motor controlled blender according to the front panel settings It then delivers the appropriate pressure or volume via a high speed proportional solenoid with flow sensor feedback The high speed control system occurs every 2 msec and is computed in the control microprocessor in the UIM The delivered gas flows to the patient through a s
167. is also designed and manufactured to comply with the safety requirements of IEC 601 1 IEC 601 2 12 CAN CSA C22 2 No 601 1 M90 and UL 2601 1 MRI Notice This equipment contains electromagnetic components whose operation can be affected by intense electromagnetic fields Do not operate the ventilator in an MRI environment or in the vicinity of high frequency surgical diathermy equipment defibrillators or short wave therapy equipment Electromagnetic interference could disrupt the operation of the ventilator Intended Use Notice The Avea Ventilators are designed to provide ventilator support for the critical care management of infant pediatric or adult patients with compromised lung function They are intended to provide continuous respiratory support in an institutional health care environment They should only be operated by properly trained clinical personnel under the direction of a physician Regulatory Notice Federal law restricts the sale of this device except by or on order of a physician IEC Classification Type of Equipment Medical Equipment Class 1 type B Adult Pediatric Infant Lung Ventilator L1524 Rev D V Service Manual Avea ventilator system Declaration of Conformity Notice This medical equipment complies with the Medical Device Directive 93 42 EEC and the following Technical Standards to which Conformity is declared EN60601 1 EN60601 1 2 ISO 13485 EU Notified Body 0086 BSI Reg No 0086 Tr
168. isconnect alarm This second alarm should activate after 5 seconds for Adult Pediatrics and 3 breaths for Neonates Reconnect the test lung to the circuit clear the alarm by pressing the reset button Increase PEEP level back to default setting Disconnect the AC power cord from the wall outlet Verify that the Loss of AC alarm activates and the battery back up symbol appears in the lower right hand corner of the UIM touch screen Reconnect the AC power cord The battery symbol should disappear Clear the alarm by pressing the reset button Occlude the exhalation exhaust port Verify that the High Ppeak alarm activates followed 5 seconds later by the activation of the High Ppeak Sust Alarm or Ext High Ppeak Alarm Remove occlusion Set the rate control setting to 1 bpm Verify that Apnea Interval alarm activates after the default setting of 20 seconds Return the breath rate control setting to its default value and clear the alarm by pressing the reset button Set the Low PEEP alarm setting to a value above the default control setting for PEEP on your ventilator Verify that the Low PEEP alarm activates Return the alarm setting to its default value and clear the alarm by pressing the reset button L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP 13 14 15 16 17 18 19 20 Set the High Ppeak alarm setting to a value below the measured peak pressure or in neonatal v
169. l ECO Add Exception button and Exception screen to Error Log screen Add list of error codes Add OVP kits and instructions Add Software upgrade instructions Add heliox Smart connector instructions Add Compressor upgrade instructions Add cart instructions both Add external battery pack instructions Add Insp and Exp transducer Cal instructions Add ref to Communications Protocol Add unpacking and setup instructions Reorganize chapters add chapter 3 add chapter 5 OVP add software upgrade info chapter 6 add chapter 9 add chapter 10 add appendix D Updated the company name Added external batteries to the Limitation of Liability Added symbols for the battery and for HeOx Updated the General Description Changed the references of the Tracheal Catheter and the Esophageal Balloon Changed O2 bottle to O2 tank Changed the Monitor MCU description Updated the description of the power supply system and the Transducer Alarm PCB Updated the description of the heated expiratory system Updated the standard stand carton contents table Updated the procedure for setting up the Customer Transport Cart kit Updated figures Added part number references to E Cylinder Bracket Assembly Instructions Added Pediatric Patient Circuit to the list of equipment Removed the note regarding the UIM Replaced the word arm with neck Removed the note regarding the UIM Added a note regarding the screws to the Metal Top Cover
170. l threaded fasteners to be assembled using Loctite 2717 Threadlocker thread adhesive or equivalent except the fasteners with Vibra Tite 6 Install collar set screw using the 1 8 hex wrench Next remove pole from Top Plate carton install and secure the 1 pole using the collar set screw Figure 3 4 L1524 Rev D 27 Chapter 3 Installation Instructions Avea ventilator system 7 Remove Top Plate and set Top Plate onto the pedestal and pole Using the 3 32 Allen wrench provided install and secure the 4 counter sink screws as shown in Figure 3 Figure 3 5 28 L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions y 8 Using the 1 8 Allen secure the setscrew of the upper collar into the 1 pole 3 6 Note If installing external battery pack proceed to the next section 9 Place Avea Ventilator on top plate align thumbscrews 4 and lightly start all thumbscrews to locate Avea Ventilator Fully tighten 4 thumbscrews to secure Avea Ventilator Note Apply Vibra Tite locking and sealing coating or equivalent to the threads of the thumbscrews that hold the ventilator to the top plate L1524 Rev D 29 Chapter 3 Installation Instructions Avea ventilator system External Battery Installation Procedures 30 Refers to P N 11372 Before installation
171. le does not get damaged Connect the external battery cable to the connection labeled EXT BATT on the rear panel of the Avea EXT BATT Plug the Avea into a grounded AC outlet and apply power to the ventilator Check that the battery status display on the front panel indicates that the ventilator is connected to External battery power Note The battery status indicates red after the external batteries are connected the power is cycled off and back on and the unit is allowed to charge for several minutes to achieve the minimum charge required to illuminate the red LED If the batteries are fully charged the battery status should indicate green charged within one hour of connection after power cycling If the batteries are not fully charged it may take up to 48 hours to indicate green Refer to your operator s manual for recommended battery charging L1524 Rev D Avea ventilator system Chapter 3 Installation Instructions E Cylinder Bracket Assembly Instructions Kit Contents Description Saddle Center post with Velcro cylinder straps 14 20 counter sink Allen head screws 14 20 round head Allen screws Lock washers Tools required for assembly 1 each 5 32 Allen wrench driver Ruler Center punch Drill Drill bit L1524 Rev D 39 Chapter 3 Installation Instructions Avea ventilator system Assembly Instructions for Basic Stand Bracket 1 Install center post in tank bracket using two flathead
172. lect popup when active Proximal Flow Sensor required Acceptance of Volume Limit setting when Size is NEO Volume Limit is active and no Wye Flow Sensor connected Varflex or Hotwire Bias Flow insufficient to allow Flow Trigger Acceptance of Bias Flow setting or Flow Trigger setting when Flow Trigger lt Bias Flow 0 5 lpm Heliox concentration will change Acceptance of 960 setting when Heliox is being used Nebulizer not available Acceptance of Peak Flow setting lt 15 lpm when Nebulizer is active or on pressing of Nebulizer membrane key when Peak Flow setting lt 15 lpm Confirm inspiratory pressure settings Selection of Volume Limit control when Volume Limit active i e not at default highest value for patient size Settings restored to defaults Patient Accept when New Patient selected Compliance Compensation not active for NEO Size Accept when Size is NEO and Circ Comp setting is non zero Minimum 0 2 sec Inspiratory Time Acceptance of any combination of settings that will produce an l Time of less than 0 2 seconds Maximum 4 1 Ratio Acceptance of any combination of settings that will produce an Ratio of 4 1 or greater Maximum 3 sec Inspiratory Time Acceptance of any combination of settings when size is NEO that will produce an of greater than 3 seconds Maximum 5 sec Inspiratory Time Acceptanc
173. lizer is disabled during use of the optional internal compressor Enhanced Patient Monitoring PCB Optional EPM The Enhanced Patient Monitoring PCB provides Esophageal and Tracheal pressure monitoring and VARFLEX wye flow sensing The EPM contains all of the signal condition as well as the pressure transducers for the esophageal pressure tracheal pressure and wye flow sensing In addition it contains a 12 bit serial ADC to convert the pressures to digital data The TCA provides the chip select and solenoid control signals Three solenoids are used to control the evacuation and filling of the Esophageal Balloon Two solenoids are used to provide purge flow and auto zeroing of the flow sensor pressure transducer L1524 Rev D 21 Chapter 2 Theory of Operation Avea ventilator system 22 L1524 Rev D Avea ventilator system Service Manual Chapter3 Installation Instructions Stand Assembly Instructions Basic Stand Assembly Instructions P N 15986 Table 3 1 Basic Stand Carton Contents Quantity Unit Description Tools required 7 open end socket 3 16 Allen wrench or driver 1 Remove contents of carton 2 Referto Figure 3 1 and Figure 3 2 for steps 3 through 6 3 Attach base to pedestal using 5 16 1 long screws washers and nuts as shown The anti static drag chain may be attached to either screw 4 Attach pole to assembly using 5 16 1 long screw and washer 5 Attach top plate to pedestal using 5 16
174. low rate of the gas mixture to the patient Between the Oxygen Blender and Flow Control Valve the Accumulator System is installed to provide peak flow capacity The Flow Sensor provides information about the actual inspiratory flow for closed loop servo control The gas is then delivered to the patient through the Safety Relief Valve and Outlet Manifold Flow Control Valve Compressor Flow Optional Air Heliox Safety R elief Valve amp Manifold Patient Flow Accumulator System Inlet Pneumatics Oxygen Blender Flow Sensor E Oxygen Figure 2 4 Gas Delivery Engine Block Diagram Inlet System The Inlet Pneumatics conditions and monitors the air oxygen and or helium oxygen mix supplies entering the ventilator The Inlet Pneumatics has Inlet Filters that remove aerosol and particulate contaminants from the incoming gas supplies The downstream Air Regulator and O Relay combination is used to provide balanced supply pressure to the gas blending system The Air Regulator reduces the air supply pressure to 11 0 PSIG and pilots the O Relay to track at this same pressure This system automatically regulates to 9 5 PSIG when the optional internal compressor is being used In the event the supply air pressure falls below the acceptable level the internal compressor will be activated to automatically supply air to the blender Without an optional internal compressor the Crossover Solenoid opens
175. ls to the Technical Support Person The facility Name The S N of the Unit and Thecurrent Configuration of the unit HELIOX COMPRESSOR Pes receptacle etc 3 Enter the MFG SETUP Screen and enter the PASSWORD Verify and perform the following e Thatthe MANUFACTURING SETUP screen appears e Thatthe MODEL NUMBER reads INVALID MANUFACTURING SETUP MANUFACTURING SETUP m Pen 3 p a EPM 02 INLET 02 INLET 02 02 PRES BLENDER EPM PRES BLENDER b SERIAL NUMBER SERIAL NUMBER AIR INLET BLENDED AIR INLET BLENDED PRES 0 PRES GAS PRES MODEL NUMBER MODEL NUMBER POWER POWER com com DRIVER DRIVER 2122727 Avea Comp nINPAMV 0 co2 MONITOR SENSOR Coldfire Figure 6 20 Manufacturing Setup screen 4 Press the MODEL NUMBER window 5 Enter Model Number PASSWORD and ensure the MODEL NUMBER window now indicates the configuration of the unit L1524 Rev D 127 Chapter 6 Avea Software Upgrade Avea ventilator system SERIAL NUMBER matches serial tag on pneumatic module If the serial number does not match contact a CareFusion Technical Support Specialist Select each icons and reenter all previously recorded information REVISION PART LOT and MFG DATE if available Note If the PCB INIT information is missing it should be re entered at this time Refer to the PCB INIT that you previously re
176. m Add a proximal wye flow sensor to an infant or pediatric patient set up Create a leak When the Percent Leak Vti Vte Vti becomes 9596 or greater for three consecutive breaths the alarm should sound Adult Without a proximal flow sensor the threshold becomes 90 leak Verification of Circuit Occlusion Alarm Create an increased resistance on either limb of the patient circuit Note During adult applications the alarm is suspended during the first 150msec of exhalation Note Repeat steps 11 through 21 in Pediatric Mode with a pediatric circuit and Siemens or Manley test lung Repeat steps 11 through 21 in Infant Mode with an infant circuit and an Ingmar or other suitable infant test lung Caution Although failure of any of the above tests will not prevent the ventilator from functioning it should be checked to make sure it is operating correctly before use on a patient L1524 Rev D 101 Chapter 5 Operational Verification Procedure OVP Avea ventilator system Tidal Volume Accuracy Verification Volume Definitions Vdel is the total volume delivered by the machine This value will be greater than the VTi if tubing compliance is set It is measured by the inspiratory flow sensor inside the ventilator VTi Inspired tidal volume VTi is measured by the Inspiratory flow sensor inside the ventilator and reflects the volume without compensating for tubing compliance VTe Exhaled tidal volume Exhaled volu
177. me readings are measured by the expiratory flow sensor This reading may be affected by the humidifier setting VT set The tidal volume set Testing Guidelines Use default parameters for each patient size group adult pediatric and infant Refer to Table 5 1 Test Setup Requirements and Table 5 2 Ventilation Setup Use appropriate circuit and test lung for each patient group It is suggested that when performing VT verification in adult and pediatric ranges a Manley test lung is used When using a Siemens test lung the test is to be performed without the proximal sensor Ensure that artificial airway compensation leak compensation and humidifier are off Select ATPD Flow Correction in the Utility Screen Do not use a flow sensor Accuracy of displayed exhaled volume 15 1096 of set VT Verify Vt for each setting as seen in Table 5 7 Change to Neonate patient size for Vt 20 Volume A C mode Table 5 7 VT Tolerance Ranges VT SET VTEXHALED 1000 900 to 1100 mL 500 450 to 550 mL 100 90 to 110 mL 20 18to 22 mL Return Flow Correction to BTPS upon completion of testing User Interface Module UIM Verification Membrane Switch Tests These tests verify the functioning of the membrane buttons surrounding the touch screen 102 L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP 10 11 12 13 14 15 16 17 18 Alarm Silence LED Disconnect th
178. ments e Computer with a serial port or COM2 e Terminal Emulation Software for example HyperTerminal works well configured for serial connection 115Kb 8 N 1 flow control OFF see the instructions below e Avea ventilator with Software Upgrade Utility Version 3 0 or higher installed e ASerial cable to connect the computer to the serial port of the ventilator A straight through cable with null modem adapter or null modem cable with gender changer both work fine New binary files for the ventilator 63603X bin Monitor and 63602X bin Control X indicates the revision of the released software in alphabetic characters e g 63603F is revision F Upgrading software to 3 3 or below e Avea ventilator with Software Upgrade Utility Version 1 0 or higher installed L1524 Rev D 115 Chapter 6 Avea Software Upgrade Avea ventilator system 116 New binary files for the ventilator 63603X bin Monitor and 63602X bin Control Upgrading software to version 3 4 or above Avea ventilator with Software Upgrade Utility Version 3 0 or higher installed Binary files for the ventilator target specific language groups Group A P N 16402 X bin Control and 16403 X bin Monitor English Francais French Deutsch German Italiano Italian Portugues Portuguese Espanol Spanish Chinese Nederlands Dutch Procedure 1 Copy the files to the desktop From a CD With the CD inserted in th
179. n Equipment Required The following list of parts and tools is recommended for calibrating the Avea and they are available in the calibration tool kit P N 03440 Part Number Description Quantity 3001083 Catheter assy 8F 1 51000 40094 Adult wye flow sensor Vari Flex disposable 2 51000 40096 Connector AUX port gt 52000 01193 Tube Tee 1 16 x 1 18 1 18 dia 32040 Tube 1 8 to 1 16 dia reducer gt 32067 Tube ftg tee 1 16 x 1 16 x 1 8 dia 52000 01205 Luer lock male 1 16 dia 33980 Tubing poly 12mm OD 1 50ft 52000 00133 Ftg DISS air male 1 32002 Ftg fem R A Elbow 12mm OD 1 52000 00132 Ftg Oxygen NPT x 9 16 male 2 gt gt 51000 09558 Calibration syringe L1524 Rev D Avea ventilator system Chapter 7 Calibration Calibration setup The generic setup shown in Figure 7 6 is recommended for calibrating the low pressure ports of the Avea To pressure manometer Figure 7 6 Calibration setup 1 for low pressure gases To calibration port The type of connection depends on the port connectivity Note Before using any test equipment electronic or pneumatic for calibration procedures the accuracy of the instruments must be verified by a testing laboratory The laboratory master test instruments must be traceable to the NIST National Institute of Standards Technology or equivalent When variances exist between the indicated and actual values the calibration
180. n 0 1 cmH O L sec Note Requires an Inspiratory Hold maneuver and a tracheal catheter Accuracy 1096 Peak Inspiratory Flow Rate PIFR L1524 Rev D The ventilator is capable of monitoring and displaying the actual peak inspiratory flow rate for the inspiratory phase of a breath Range to 300 LPM All patients Resolution 1 LPM Adult Pediatric 0 1 LPM Neonate Accuracy 1096 267 Chapter 11 Appendices Avea ventilator system 268 Peak Expiratory Flow Rate PEFR The ventilator is capable of monitoring and displaying the actual peak expiratory flow rate for the expiratory phase of a breath Range 0 to 300 LPM All patients Resolution 1 LPM Adult Pediatric 0 1 LPM Neonate Accuracy 1096 Delta Airway Pressure dPaw Delta Airway Pressure dPaw which is the difference between peak airway pressure and baseline airway pressure PEEPaw dPaw AW m PEEPaw Range 120 to 120 cmH O Resolution 1 cmH O Accuracy 2cmH5O or 596 whichever is greater Delta Esophageal Pressure dP s Delta Esophageal Pressure dP s is the difference between peak esophageal pressure Preakes and baseline esophageal pressure dP s Es Range 120 to 120 cmH O Resolution 1 cmH O Accuracy 2cmH5O or 596 whichever is greater AutoPEEPaw AutoPEEPaw is the airway pressure at the end of an expiratory hold maneuver Range 0 to 50 cmH O Resolution
181. n 1 0 L min 0 5 L min Trigger Flow Trig L1524 Rev D 97 Chapter 5 Operational Verification Procedure OVP 98 Table 5 4 Advanced Settings Adv Settings Vsync Vsync Rise Sigh Waveform Bias Flow Inspiratory Pressure Trigger Pres Trig PSV Rise PSV Cycle PSV Tmax Machine Volume Mach Vol Volume Limit Vol Limit Inspiratory Rise Insp Rise Flow Cycle T High PSV T High Sync T Low Sync Demand Flow Adult Setting Pediatric Setting Avea ventilator system Neonate Setting 2 0 L min 2 0 L min 2 0 L min 3 0 cmH O L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP Table 5 5 Alarm Settings Adult Setting Pediatric Setting Neonate Setting High Tidal Volume 3 001 1000 mL 300 mL High Vt Low Tidal Volume 0 0 L 0 0 mL 0 0 mL Low Vt Low Exhaled 1 0 0 5 0 05 Minute Volume Low Ve High Exhaled 30 0 L min 30 0 L min 5 0 L min Minute Volume High Ve Low Inspiratory 8 cmH O 8 cmH O 5 cmH O Pressure Low Ppeak High Inspiratory 40 cmH O 40 cmH O 30 cmH O Pressure High Ppeak Table 5 6 Auxiliary Controls Adult Setting Pediatric Setting Neonate Setting Manual Breath Suction 10 Nebulizer Inspiratory Hold Insp Hold Expiratory Hold Exp Hold L1524 Rev D 99 Chapter 5 Operational Verification Procedure OVP Avea ventilator system 100 Make the appropriate connections for air and gas supply Connect the power
182. n OVP is to be performed Transducer calibrations are to be checked and performed if necessary Refer to chapters 5 and 7 for instructions When disassembling or assembling the Avea refer to the tubing diagram P N 51000 40841 the wiring diagram P N 51000 40839 and appropriate schematics and assembly drawings located in Appendix B of this manual The illustrations shown here are for reference only current revisions of these diagrams and schematics are available to qualified personnel from CareFusion Technical Support Warning Always take standard ESD precautions when working on Avea ventilator systems Assume that you are adequately earth grounded prior to handling and working inside of the Avea ventilator Caution Ensure the ventilator is disconnected from the AC power supply before performing repairs or maintenance When you remove any of the ventilator covers or panels disconnect the internal battery quick release connector before working on the ventilator If the ventilator has an external battery installed ensure that the external battery is unplugged from the rear panel before proceeding Recommended Tools and Equipment Note Before using any test equipment electronic or pneumatic for calibration procedures the accuracy of the instruments must be verified by a testing laboratory The laboratory master test instruments must be traceable to the NIST National Institute of Standards Technology or equivalent When varia
183. n and ambient temperature sensors are cabled to the TCA PCB The output of oxygen cell is also signal conditioned and digitized on the TCA There are four 10 bit analog output channels on the for pressure flow volume and breath phase respectively They have a full scale of 0 to 5 VDC with 10 bit resolution In addition there are 8 programmable analog inputs that can be used to display external signals They are digitized with a 10 bit DAC and are scalable from 0 to 1VDC 0 to 5 VDC and 0 to 10 VDC Finally there is a nurse call output that can be configured as either normally open or normally closed The nurse call shall be activated for all medium and high priority alarms except when alarm silence is activated L1524 Rev D 17 Chapter 2 Theory of Operation Avea ventilator system 18 Pneumatics Gas Delivery Engine The GDE Gas Delivery Engine receives and conditions supplied Oxygen Air or Heliox from an external and or internal compressor sources It then mixes the gas to the concentration required and delivers the desired flow or pressure to the patient The Gas Delivery Engine begins with the Inlet Pneumatics The Inlet Pneumatics accepts clean Air or Air alternate external gas it provides extra filtration and regulates air and gas before entering the Oxygen Blender The Oxygen Blender mixes the gases to the desired concentration before reaching the Flow Control Valve The Flow Control Valve controls the f
184. nces exist between the indicated and actual values the calibration curves provided for each instrument by the testing laboratory must be used to establish the actual correct values This certification procedure should be performed at least once every six months More frequent certification may be required based on usage Long and short Philips screwdrivers Flat bladed screwdriver 3 8 nut driver 11 32 nut driver L1524 Rev D 49 Chapter 4 Assembly and Disassembly Avea ventilator system Needle nose pliers Digital volt meter Adult test lung Siemens P N 33754 Adult patient circuit 72 P N 16045 Infant test lung P N 34057 Infant patient circuit Pediatric patient circuit Oxygen analyzer Rubber stopper Stop watch Side cutters User Interface Module UIM P N 16259 Domestic P N 16260 International Removal 1 Remove the rubber collar located at the UIM rear neck by grasping one of the two rubber tabs at the bottom Pull firmly in an arcing motion 2 Pull UIM forward and look for the Phillips Screw on the front arm cover Remove 1 Phillips screw from the front arm cover Remove the front arm cover 3 Remove the two mounting screws now visible inside the back arm cover Tilt the UIM down and remove the back arm cover 4 Remove the 4 11 32 KEP nuts that secure the plastic top cover opening onto the chassis 5 Remove 2 Phillips screws that secure the plastic top cover to the rear c
185. nd Outlet filters 33928 Filter Teflon tape Vibra Tite 33929 Filter Figure 8 5 Compressor and filters Disassemble the ventilator as shown in Chapter 4 to access the Compressor filters Both the inlet and the outlet filters unscrew as complete assemblies for replacement Use only the part numbers shown above available from CareFusion To replace Compressor Inlet Filter Apply Vibra tite to threads of the Compressor Inlet Filter and allow to dry for at least 15 minutes Install the Compressor Inlet Filter onto the Compressor Scroll Housing To replace Compressor Outlet Filter Carefully clean tapered pipe threads of brass fittings Re apply Teflon tape to fittings avoiding the first end thread Attach the Compressor Outlet Filter and secure fittings in the direction shown L1524 Rev D 165 Chapter 8 Preventive Maintenance Avea ventilator system Replacing the Exhalation Diaphragm P N 16240 To replace the exhalation valve membrane first remove The exhalation filter water trap assembly The exhalation assembly corner cover The metal reinforcement cover if applicable Flow sensor ur em Rubber Elbow Sensor connector with locking cover Tubing retainer Figure 8 6 Exhalation assembly Unplug the flow sensor connector from the receptacle taking care to retract the locking shroud as you do so 5 Loosen the tubing form the tubing retainer 166 Grasp the rubber elbow and pull firmly ou
186. nd folded previously Reconnect the 2 wire connectors to the Compressor Power Board Re install the Compressor Power Board to the unit case using the 2 11 32 inch nuts Cut all tie straps securing Battery Monitor Board P N 16105 Disconnect the 2 pin connector of the battery monitor board from the 2 pin connector containing wires 12 and 13 Disconnect the 4 pin connector from the battery monitor board to the battery Disconnect wire 14 from the black wire of the battery monitor board Disconnect the 2 wires from the fuse holder The battery monitor board will now be free to remove from the unit Connect wire 14 to the straight terminal of the fuse holder Connect wire harness internal battery upgrade cable assembly P N 16243 2 pin connector to the 2 pin connector containing wires 12 and 13 Secure using cable tie P N 05038 Connect the black wire from cable harness P N 16243 to the right angle terminal connector of the fuse holder Connect the 4 pin connector of the internal battery to the 4 pin connector of P N 16243 Secure 4 pin connector using cable tie P N 05038 Installation Warning Prior to re installing the GDE insure that C31 is not touching the Flow Control Valve or that there is insulation material between the two C31 is the orange capacitor located closest to the top of the FCV Ensure all cables and tubing are tucked into the gas delivery engine assembly and slide it as far into the unit as requi
187. nd tighten the thumbscrews L1524 Rev D 59 Chapter 4 Assembly and Disassembly Avea ventilator system Internal Batteries P N 68339A SE cupo pe n 60 Removal Referring to the instructions in this chapter remove the following components Exhalation corner UIM and plastic cover Metal Cover Disconnect the internal batteries Disconnect the battery fuse holder by pulling straight back on the two faston connectors Remove the fuse holder and fuse from the ventilator chassis using pliers to remove nut Remove the 3 11 32 KEPS nuts that hold the battery bracket in place 2 KEPS nuts on the bottom and 1 on the top Slide out the retaining bracket and the batteries Disconnect the positive and negative leads from the wire harness that connects to the driver transition board Battery fuse holder and bracket Figure 4 5 Battery Assembly Cut both tie wraps that secure the battery monitor board and the 4 pin molex to the batteries Disconnect the batteries from each other L1524 Rev D Avea Fuses ventilator system Chapter 4 Assembly and Disassembly Installation Cutthree 3 stripes of 1 wide double backed adhesive tape Place one strip on the bottom of one battery and the other two strips on the top and bottom of the other battery Place the first battery against the chassis and the second battery on top of the first Secure the batteries into place with the retaining bracket by using 3
188. nded Gas PCB recalibrate transducer 2 Recalibrate transducer 1 Check connections replace cable 2 Replace Blender GDE 3 Recalibrate transducers 181 Chapter 9 Troubleshooting Inaccuracy Flow Control Valve Inspiratory Noise Flow Abnormalities Inspiratory Flow Autocycling Sensor Incorrect delivery Safety Relief Valve Breath delivered no output to patient Mechanical overpressure Incorrect Setting release prematurely Allitems marked with an are done at factory 182 1 Blender Assembly Failure 2 Regulator Relay out of balance 3 Leak 1 FCV out of characterization 2 Defective FCV 1 FCV out of characterization 2 Defective FCV 1 Leak at FCV IFS 2 Bad IFS 1 Leak at FCV IFS 2 Bad IFS 1 Bad Connection cable 2 Bad IFS 1 Leak in safety solenoid tubing connections 2 Bad safety solenoid 3 Problem in TCA board Avea ventilator system 1 Replace Blender GDE 2 Recalibrate Regulator Relay 3 Check all pneumatic connections 1 Re characterize FCV 2 Replace GDE 1 Re characterize FCV 2 Replace FCV GDE 1 Check all connections 2 Replace IFS GDE 1 Check all connections 2 Replace IFS GDE 1 Check all connections replace cable 2 Replace IFS GDE 1 Check all connections 2 Replace safety solenoid 3 Replace TCA GDE Reset overpressure setting replace L1524 Rev D
189. ned as the work performed by the patient to breathe spontaneously through the breathing apparatus i e the tube the breathing circuit and the demand flow system Imposed work is assessed by integrating the change in tracheal pressure and tidal volume and normalizing the integrated value to the total inspiratory tidal volume V Requires the use of an optional tracheal catheter Based on the following formula Vi dV WOBI PEEPaw Pre 0 dt where PEEPaw airway baseline pressure tracheal pressure inspired tidal volume Range 0 00 to 20 00 Joules L Resolution 0 01 Joules L Accuracy 1096 Note Requires a tracheal catheter L1524 Rev D 271 Chapter 11 Appendices Avea ventilator system Glossary AC Alternating Current mains electricity ATPD Ambient Temperature Ambient Pressure Dry Bias Flow A continuous flow through the patient breathing circuit The level of Bias Flow can be set from 4 to 5 L min Bpm Breaths per minute 272 Breath Interval Elapsed time from the start of one breath to the start of the next Breath Period The length of time between machine initiated breaths Depends on the Breath Rate setting and is computed by dividing 60 seconds by the Breath Rate setting When the Breath Rate setting is 15 bpm for example the breath period is four seconds i e 60 15 In this example the ventilator initiates a breath every four sec
190. ness under the tab in the exhalation valve assembly bracket Insert the silicon diaphragm P N 16240 into the exhalation valve body by seating it into the lip with the point out Install the exhalation valve body line up the flange on the valve body with the tabs on the receptacle and twist clockwise until secure Install the exhalation flow sensor by sliding it into the gasket with the tubing facing up and ensure the tubing is under the retaining notch Slide the rubber elbow in by lining it up with the grooves Attach the flow sensor to the connector by pulling back the plastic sleeve and pushing it into place Push the locking clip back to secure the sensor Referring to the instructions in this chapter re install the following components Reconnect the internal batteries Metal Top cover UIM and the top cover Exhalation Corner Assembly L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Heater Assembly P N 51000 40824 GU Op OY NO OD COSE iocos pa Removal Remove the following components Exhalation corner UIM and top plastic cover Top Metal cover Disconnect the Internal Batteries Exhalation valve Remove 2 KEP nuts at the base of the pneumatics on the heater shield Disconnect the 3 pin and 2 pin connectors and label Remove 2 Phillips 42 screws from the front panel Remove bottom cover Remove 2 11 32 nuts securing the front panel from the
191. nitor MIB Connection Configuration of the Avea to communicate with interfaces always requires setting the baud rate and communication parameter to match the host device From the Main Screen Press SCREENS gt UTILITIES gt INPUT OUTPUT gt RS 232 Output Rotate the DATA DIAL until the applicable selection appears Press the ACCEPT button In the same manner set the baud rate and communication parameter to match the host device The Avea will then be configured to communicate with the interface selected When properly connected the communication ICON in the Avea INPUT OUTPUT screen will be present GSP Generic Serial Protocol This interface is available in Avea software versions 3 3 and greater The Avea GSP Interface Kit is P N 16375 and includes a CAT 5 Cable and a 9 pin adapter Phillips Vue Link Avea software versions 3 1 and greater may be interfaced with the Phillips Vue Link system The P N for the Vue Link CAT 5 serial cable and adapter is 16337 L1524 Rev D 247 Chapter 11 Appendices Avea ventilator system 20 80 PSIG 138 552 ah in Flow 80 L Min 20 SIG Figure 11 3 Rear Panel A AC power module G Oxygen sensor B UIM connection C Analog input output ILV D Power ON OFF Switch E Nurse call system connection F Air smart connector 248 L1524 Rev D Avea ventilator system Chapter 11 Appendices Remote Nurse Call The ventilator has a modular jack configured to
192. nother download or cycle power to exit Connected 0 05 54 Auto detect 115200 8 N 1 The dialog box shown in the following figure opens to show the download progress A message in the HyperTerminal window indicates when the download process is complete L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade 7 V at the command prompt to view and confirm the downloaded versions AVEA HyperTerminal Ele Edit View Cal Transfer Help 5 Software Upgrade Utility Commands download Application Mmodem 02 download Kernel Master 03 download Kernel Slave Xmodem V display version info or Help display help Cycle power to exit gt V fipplication Version Version 0 Kernel Master Version Versionl 1 Kernel Slave Version Versionl 1 Loader Master Version Version1 0 Loader Slave Version Versionl 1 Upgrader Slave Version Version1 1 gt Connected 0 02 55 Auto detect 115200 8 N 1 Figure 6 7 ELAN Software Upgrade Instructions The following directions are for Software Upgrade to the Avea ELAN units Only ELAN software can be used to upgrade an ELAN UIM This document provides a brief overview of the procedure to upgrade ventilator software using the RS232 serial port of the Avea The HyperTerminal utility available within the Windows environment is used here as an example Any suitable terminal emulation software would work as well Require
193. ns and Main buttons Press the Screens button and the Screen Select screen should appear Press Monitor and monitor screen should display Press Main and the screen should go back to Main Screen Compressor Check 10 11 12 104 Note Use of an appropriate test lung for volume of 2 0L is recommended Ensure a regulated wall air supply is on prior to start of test Attach an adult patient circuit and test lung to the test ventilator Turn on the ventilator and leave on adult default parameters Turn off the wall air supply Verify that the compressor activates at approximately 18 20 PSI Verify that the scroll symbol is displayed in the bottom right corner of the UIM Verify ventilator continues to ventilate and no alarms are activated Allow ventilator to continue to cycle using the compressor for approximately two minutes Disconnect the expiratory limb of circuit Verify High Priority alarms activate Reconnect circuit and test lung Change the scale on Flow waveform graphic display to 150 300 L min Maximize the High Ppeak alarm setting and change the Flow waveform to Square in Advanced Settings Change the following ventilator settings Control Setting Rate 19 bpm Peak Flow 150 L MIN Tidal Volume Vt 20L PEEP 0 0 L1524 Rev D Avea 14 15 16 17 ventilator system Chapter 5 Operational Verification Procedure OVP Allow to cycle for one minute and then press the Freeze button Verify th
194. ntilator system VOLUME A C ee _ Figure 7 3 Upper Left Touch Point VOLUME A C VOLUME Figure 7 5 Center Touch Point Chapter 7 Calibration 5 Power unit off and back on and perform the Manual Alarms Testing section of the Avea OVP L2274 to insure accuracy L1524 Rev D 133 Chapter 7 Calibration Avea ventilator system Transducer Calibrations 134 Avea calibration tool kit P N 03440 contains the equipment required for calibration maintenance and software downloads The millivolt output of pressure transducers are amplified and conditioned prior to being fed to the Analog to Digital Converter ADC On the Avea ventilator ADC counts are displayed when the ventilator is in the pressure calibration mode The specific value of the ADC counts are specific to each pressure transducer and will vary with each manufacturer and production lot In order to yield the most accurate reading test equipment and the Avea should be allowed to warm up at least a half an hour prior to calibration Pictorial depictions of screens are for example only and do not represent actual numbers counts required during calibration The only notable change with a valid calibration will be a change in the A D count under the value calibrated In the event of an invalid calibration the Avea will alarm and an Invalid Calibration message will appear in the message box at the bottom of the scree
195. o 18 psi The Loss of alarm should activate L1524 Rev D 107 Chapter 5 Operational Verification Procedure OVP Avea ventilator system Breath Rate Verification Note Make sure the ventilator is set to Adult size and default settings Allow the ventilator to cycle and using a stopwatch count the cycles and ensure the breath rate matches the Rate setting of the Avea Verify the following rates 2 5 bpm 20 bpm 60 bpm Blending Accuracy Verification Verification should be done with wall air and O and wall O and compressor if applicable Note Make sure the ventilator is set to Adult size and default settings Record the readings from the external Analyzer and the Avea FIO 96 O monitor setting Check the 96 O readings per table below to compare set FIO to analyzed Table 5 9 FiO Readings 02 Tidal Volume Breath Rate Peak Flow 9o Tolerance PEEP Verification 1 Connect an Adult test lung and accept the default settings 2 Change the Rate to 4 bpm Using the Paw cmH20 portion of the wave form screen freeze 108 and measure baseline pressures at each of the following PEEP settings The tolerance is 3 5 96 of reading or 2 cm Compare to digital monitored reading 6 cm H O 20 cmH O 40cmH O L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP Avea Assembly and Operational Verification Test Checklist This
196. o battery discharge procedure in OVP section 2 Check replace fuse 3 Check connections 4 Replace Battery PCB 5 Replace LED indicator panel 6 Check replace battery 7 Call CareFusion Technical Support 1 Charge properly refer to service manual 2 Check connections 3 Replace Battery PCB 4 Check replace battery 5 Replace Power Driver PCB GDE 1 Charge properly refer to battery discharge procedure in OVP section 2 Check connections 3 Replace Battery PCB 4 Check replace battery 5 Replace Power Driver PCB GDE 1 Check replace fuse 2 Check connections 3 Check replace battery 4 Replace Power PCB GDE 175 Chapter 9 Troubleshooting Avea ventilator system Symptom Problem Solution s Unit does not run on A C 1 Wiring disconnect 1 Check all connections especially 2 Defective Power Entry Module by compressor 3 Power supply is not recognizing A C 2 Replace Power Entry Module 3 Replace Power supply Excessive battery heat internal 1 Battery PCB improperly wired 1 Check wiring only 2 Bad battery PCB 2 Replace Battery PCB 3 Bad thermal fuse 3 Check replace battery 4 Bad battery 4 Check replace battery Flickering LED 1 Excessively discharged battery state 1 Allow to charge should self 2 Loose connections resolve 3 Bad power driver PCB 2 Check connections 4 Transition Board fault 3 Replace power driver PCB GDE 4 Call CareFusion Technical Support Alarms when Unit is of
197. ol indicates a FUSE This symbol indicates INPUT This symbol indicates OUTPUT This symbol indicates protective EARTH ground This symbol indicates the EQUIPOTENTIAL connection used to connect various parts of the equipment or of a system to the same potential not necessarily being the earth ground potential e g for local bonding This symbol indicates TYPE B equipment which indicates equipment that provides a particular degree of protection against electric shock particularly with regards to allowable leakage current and reliability of the protective earth connection This symbol is located on the rating plate It indicates the equipment is suitable for alternating current Indicates ON Power Indicates OFF Power Horizontal return with line feed Indicates ACCEPT entered values for a specific field Indicates PATIENT EFFORT Indicates MANUAL BREATH L1524 Rev D Avea ventilator system Chapter 1 Introduction Symbol Source Compliance Meaning CareFusion Symbol MAIN SCREEN Symbol 417 IEC 5102 EVENT READY Symbol MODE CareFusion Symbol ADVANCED SETTINGS CareFusion Symbol SET UP for patient Data ATP CareFusion Symbol SiPAP Duration MDD Directive 93 42 EEC CE Mark Symbol 5307 IEC 60417 ALARM RESET Symbol 5319 IEC 60417 ALARM SILENCE CareFusion symbol ADULT patient CareFusion symbol PEDIATRIC patient CareFusion symbol NEONATAL Infant pat
198. on corner UIM and top plastic cover Top metal cover Disconnect internal batteries Ventilator base assembly Turn unit over and support it on 2x4 pieces of wood so as not to put the entire weight of the unit on the 4 standoffs Remove the 5 screws from the base assembly and the 2 screws from the back panel Remove the cover and set aside Installation Slide bottom cover back onto pneumatics Caution Carefully place bottom cover on as not to pinch any wires from transition board between chassis and cover damage to the Avea may result Tighten the 5 screws on the bottom plate and the 2 on the back panel Place unit back onto stand L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly 4 Replace the following components e Reconnect the internal batteries e Top metal cover e UIM and plastic cover Alarm Speaker P N 51000 40818 Removal 1 Referring to the instructions in this chapter remove the following components e UIM and the top cover e Ventilator assembly from the base e Bottom cover e Front panel Note When turning the unit over support it on 2x4 pieces of wood to avoid putting the entire weight of the unit on the 4 standoffs 2 Disconnect the wire to the driver transition board 3 Remove the 2 11 32 KEPS nuts that secure the speaker and lift the speaker off of the threaded studs Installation _h Position the speaker onto the two threaded studs and secure wit
199. onds Breath Rate The number of breaths delivered in a minute BTPD Body Temperature at Ambient Pressure Dry BTPS Body Temperature at Ambient Pressure Saturated Button A push button switch used to toggle a function on or off cmH O Centimeters of water pressure Controls Any button switch or knob that allows you to modify the ventilator s behavior Demand Flow The flow generated by the ventilator to meet the patient s flow demand in order to maintain PEEP at the preset level DVM Digital Volt Meter EPM Enhanced Patient Monitoring End Tidal CO Event An anomalous condition that occurs during ventilator operation Flow The rate at which gas is delivered Measured in liters per minute L min GDE Gas Delivery Engine Indicators A visual element showing operational status L Liters A unit of volume L min Liters per minute A unit of flow LED Light Emitting Diode Mode An operating state of the ventilator that determines the allowable breath types Monitored A measured value displayed in the monitor window Parameter O Oxygen OVP Operational Verification Procedure Patient Breathing Circuit The tubing that provides the ventilatory interface between the patient and ventilator Paw Airway Pressure Measured in gt at the exhalation valve L1524 Rev D Avea ventilator system Chapter 11 Appendices
200. or Wear a properly grounded and tested anti static strap prior to handling PCB s L1524 Rev D Avea w ventilator system Chapter 4 Assembly and Disassembly Installation Reconnect internal batteries Place metal cover onto unit and feed into the grooves on the side of the pneumatics Secure the19 screws top 11 screws 3 on left side and 5 on right If applicable secure the metal top cover over exhalation assembly Replace Exhalation corner UIM and plastic cover Gas Delivery Engine P N 16222A d 11 12 Seb CO Dm Gas Delivery Engine Removal Referring to the previous instructions remove the following Exhalation corner assembly UIM and plastic cover Metal cover Disconnect internal battery If applicable disconnect the 4 pin connector from the battery monitor board to the gas delivery engine 51000 40022 Only Disconnect the four pin connector from the exhalation valve Disconnect the four pin connector going to the On Off switch in the gas delivery engine Disconnect the connector going to the ETM on the chassis Disconnect the connector going from the TCA board to the transition board near the fan Remove the four SEMS screws located at each corner of the rear panel Remove A C power cord bracket Cut the tie wrap and remove the metal tubing support bracket on the accumulator hose and disconnect the tube from the accumulator outlet by releasing the compression
201. or Com2 if that is your computer connection The Port Settings window opens Ele Edit View Ca Diaz 3 DB wee Enter detais for the phone number that you want to dial County code United States of America 1 Area code 903 tees Y Disconnected NUM Capture Z Figure 6 12 6 Enter the following values e Bits per second 2 115200 e Data bits 8 e Parity None e Stop bits 1 e Flow control None 7 Click OK The Avea HyperTerminal window opens L1524 Rev D 119 Chapter 6 Avea Software Upgrade Avea ventilator system COMI Properties ki x File Edit Vies dels Bite per second 115200 7 Pay None ______ 7 s Ji UM Capture 2 Advanced Restore Defaults Cancel Figure 6 13 g HyperT erminal Ele Edit View Cal Transfer Help Sls el i Connected 0 00 41 jAut detect SCROLL CAPS NUM Capture Figure 6 14 120 L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade 4 Power up the Avea 1 Hold down Expiratory Hold key on the front membrane panel of the Avea during the ventilator power up sequence until the front panel LEDs light up When the LEDs turn off the Upgrade Utility banner should appear in the terminal software HyperTerminal window Met Need penna Upgrade Utility Version 1 0
202. other settings are to remain as default Record the start time of the test Unplug the unit from AC power source and confirm unit is running off of internal battery power Verify that unit runs for 30 minutes with compressor or 1 hour without compressor Turn unit off reconnect external batteries if applicable and recharge batteries L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP Air Oxygen Inlet Pressure Verification Note All gases used for testing the Avea should be verified clean medical grade gas sources The ventilator should be operating in Adult patient mode with all settings at defaults 1 Apply a regulated 50 PSI medical air source to the Avea Air Inlet on the rear panel of the ventilator 2 Apply regulated 50 PSI medical Source to the Inlet Verify the Air and O Inlet monitors read 50 PSI 3 PSIG You can check this by scrolling to the air inlet and inlet monitored parameter displays on the left of the Main screen or by pressing the screens button and selecting the Monitor screen and scrolling to the air inlet and O inlet Parameters pare 5 O Inlet 3 Lower the air inlet pressure gage to 18 psi The compressor should turn in a unit with compressor In a unit with no compressor the Loss of Air alarm should activate 4 Change the percentage to 60 O percentage 5 Lower the inlet pressure gage t
203. oua Ra meas 890 01 g 54 g Q01aF lt 4 5 9 4 16 55650566 221110 BYPASS BYPASS PLD JTAG PORT C155 9 22ur 08C TEST ONLY POPULATED PRODUCTION TRAJ 2 tolce BA TRAE TES Hse eu TEAS TEAS Tg53 Kath p PUT e O 2105 RSIS p 0 2890031 C165 0 901 LVDS_EN I5 PULLED HIGH AT RESET DISABLING 32858566 2 1 7 VOCINT BYPASS jc Pl gt BYPASS e C165 170 0 22uF c __ sca Toworssusawe sragr 7 L1524 Rev D 207 Avea ventilator system Chapter 11 Appendices 9218 T4BCOSD n gt c gt te SRAM BYPASS NOT POPULATED gt 5T16C550CJ44 gt c36 2 1uF 052 AUMJ311EARU QRESSSOERE vA HSROSRA2SC C244 1uf svi C243 iuf C45 esi 0 00107 o o0mur C44 0 001uF 0 001uF cas 1 9 00107 0 001uF cum 5 1 8432MHZ L1524 Rev D 208 Avea ventilator system Chapter 11 Appendices MS au R32 1 15 ACEITE 036 LM26755 ADJ 195 0 010 R34 10 0 1 201 220uF 220uF 836 1K i1 3 16k 1 0 1uF 203 5 3 0352 mioz 061 TLCT733ID TSOLATED PNR GND PLANES MOUNTING HOLES ON CONNECTOR EDGE
204. ower source and unplug the power cord from the power entry module on the rear of the ventilator 2 Using a small flat blade screwdriver pry open the cover of the power entry module see Figure 4 7 3 Carefully ease the red fuse holder out of the power entry module see Figure 4 8 4 The fuse holder contains two identical fuses either 3 1 Amp for for 100 120 volt lines or 2 0 Amp for 230 240 volt lines as shown in Table 4 1 5 Replace the failed fuse in the fuse holder with a fuse whose type voltage rating and current rating is identical to the fuses supplied from the factory 6 Carefully replace the red fuse holder into the power entry module Check to ensure that the correct line voltage is uppermost as you re insert the fuse holder into the power entry module see Figure 4 7 through Figure 4 10 7 Close the power entry module cover and check to make sure that the correct voltage is displayed through the window L1524 Rev D 63 Chapter 4 Assembly and Disassembly Avea ventilator system Changing the AC Fuses 1 Open the power entry module with a screwdriver and remove the fuse holder Fuse holder showing fuse placement Fuse holder with 230 V label uppermost for 230 240 V AC systems Figure 4 9 64 L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Closed power entry module with 115 V showing in the window for 100 120 volt systems Figure 4 10 Compressor S
205. quarterly The following parts are typically replaced on an annual basis e Air inlet filter e Oxygen inlet filter e Compressor inlet filter if applicable e Compressor outlet filter if applicable e Exhalation Diaphragm e Fan filter e Sensor The following service procedures are recommended to be performed annually 1 Remove and replace items described above e PM Kit without compressor P N 16137 e PM Kit with compressor P N 16136 e Sensor P N 68289 2 Check transducers for any drift calibrate if there is a drift 3 Operational Verification Testing OVP to confirm the ventilator is functioning within optimum parameters 4 Touch Screen calibration 5 Calibration Procedure If applicable The following parts are to be replaced every two years Internal Batteries External Batteries if applicable L1524 Rev D 161 Chapter 8 Preventive Maintenance Avea ventilator system Battery Discharge Procedure 1 2 Disconnect external batteries if installed Connect adult circuit and test lung turn power on and select New Patient and Adult patient size If the unit has an internal compressor disconnect wall air 3 Set breath rate to 40 Low Ve alarm to 0 and all other settings to remain as default 162 Record the start time of the test and disconnect from wall AC power and allow unit to operate until it shuts off Verify that the unit runs for 30 minutes with a compressor or 1 hour without comp
206. r Requires an inspiratory hold and tracheal catheter 0 0 to 100 0 cmH O L sec 10 The ratio of the tracheal pressure differential peak plateau to the inspiratory flow 12 ms prior to the end of inspiration Requires an inspiratory hold and tracheal catheter 0 0 to 100 0 cmH O L sec 10 dPaw The difference between peak airway pressure Ppeax aw and baseline airway pressure 120 to 120 cmH O 2 H20 or 5 whichever is greater L1524 Rev D 257 Chapter 11 Appendices 258 DISPLAY DESCRIPTION The difference between peak esophageal pressure and baseline esophageal pressure RANGE 120 to 120 cmH O Avea ventilator system ACCURACY 2 or 5 whichever is greater AutoPEEP The airway pressure at the end of an expiratory hold maneuver Requires a passive patient 0 to 50 cmH O 2 or 5 whichever is greater dAutoPEEP The difference between airway pressure at the end of an expiratory hold maneuver and the airway pressure at the start of the next scheduled breath after the expiratory hold maneuver Requires a passive patient 0 to 50 cmH O 2 or 5 whichever is greater AutoPEEP s The difference between esophageal pressure measured at the end of exhalation PEEP s minus the esophageal pressure measured at the st
207. r 11 Appendices Sensor Infant 15 mm Adult 15 mm Part Number 7002500 7002300 Type Single Use Single Use Circuit Location Wye Wye Performance Specifications Flow Range 0 024 to 30 L min 1 2 to 180 L min Diff Pres Range 5 72 cmH O 5 72 cmH O Accuracy 0 012 L min 5 or 0 1 L min 5 or reading reading Resistance 4 5 cmH20 at 30 L min 2 4 cmH20 at 60 L min Dead Space 0 7 mL installed 9 6 mL installed Freq Response 17 Hz 26 Hz Airway Pres Range 140 to 140 140 to 140 cmH O Calibration EEPROM 29 Point Curve 29 Point Curve Linearity 196 between points 196 between points Operating Temperature 5 to 40 C 41 to 104 F 5 to 40 C 41 to 104 F Physical Specifications Sensor Length 1 36 in 3 5 cm 2 45 in 6 2 cm Diameter Insp Vent Side 15 mm OD 15 mm OD Diameter Exp Patient 15 mm OD 15 mm OD Flap Mylar Tubing PVC Connector ABS Tube Length 48 in 121 9 cm 73 in 185 4 cm Connector Bicore Proprietary Bicore Proprietary Weight 22 g 0 7 oz 31 g 1 0 oz Service Life Single Patient Use Single Patient Use Sterilization NA NA Material Sensor Lexan Sensor Lexan Flap Mylar Tubing PVC Connector ABS L min Dry air at 77 F 25 C and 147 psig barometric pressure Includes 1 for linearity and hysteresis with no
208. rature 20 to 60 4 to 140 F Humidity 0 to 95 RH non condensing Operating Temperature 5 to 40 C 41 to 104 F Humidity 0 to 95 RH non condensing Barometric Pressure 760 to 545 mmHg L1524 Rev D 249 Chapter 11 Appendices Avea ventilator system 250 Blender Bleed The bleed rate from the relay is 2 3 SLPM O The bleed to the O sensor is approximately 0 1 SLPM blended gas The bleed specification is 7 5 0 5 LPM at 9 0 5 PSI at the accumulator When there is sufficient minute ventilation to keep the pressure below that value the bleed is shut off Sound Levels Measured at three meters in front of the Avea ventilator Lowest Alarm Level 55dBA Highest Alarm Level 75 dBA Physical Dimensions Overall Size Ventilator 17 W x 16 Dx 10 5 H 16 25 W x 2 5 Dx 13 75 H Weight Ventilator w UIM lt 73 105 Compressor lt 7 lbs Accessories Pall Microbial Filter Resistance The exhalation filter supplied with your Avea ventilator is manufactured by Pall Medical of Ann Arbor MI USA The published maximum resistance of this filter is 4 cmH O at 20 L min for the Intervene 255 Filter small and H20 at 100 L min for the 725 large filter Compliance The compliance for the small filter is lt 0 5 mL cmH O and for the large filter is lt 0 4 mL cmH O Materials Materials used in the construction of both filters have passed USP Class VI 121 C Plastic and
209. red to hold the assembly Do not yet connect the assembly to the driver transition board L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly 2 Connect yellow hose D4 to the EPM board 3 Connectthe yellow bleed tubing from the sensor assembly the yellow tubing to C4 and the blue tubing to H4 4 Connectthe clear tubing from the sensor assembly to F4 luer lock fitting and the black striped tubing to G4 luer lock fitting 5 Connectthe two ribbon cables located at the front of the ventilator the 10 pin ribbon cable to J17 and the 20 pin ribbon cable to J16 6 Connect the 4 pin battery monitor board if applicable to the gas delivery engine and the 4 pin connector to the exhalation valve 7 Connect the four pin connector to the On Off switch 8 Connect the four pin connector going to the ETM board 9 Connect the four pin connector from the TCA board to the transition board near the fan 10 Remove the rubber manifold block pour some rubbing alcohol into the rubber manifold block for lubrication and replace manifold block onto the chassis 11 Engage the gas delivery engine to the driver transition board by ensuring proper alignment of the two alignment pins and the connector Press firmly into place Figure 4 3 Gas Engine Connector on Driver Transition PCB Caution It is essential to ensure correct alignment to the 120 pin connector on the driver transition board before pushing home the gas
210. release connector before working on the ventilator If the ventilator has an external battery installed ensure that the external battery is unplugged from the rear panel before proceeding e Aprotective ground connection by way of the grounding conductor in the power cord is essential for safe operation Upon loss of protective ground all conductive parts including knobs and controls that may appear to be insulated can render an electric shock To avoid electrical shock plug the power cord into a properly wired receptacle use only the power cord supplied with the ventilator and make sure the power cord is in good condition The following warnings must be read and understood before performing the procedures described in this manual e Under no circumstances should this medical device be operated in the presence of flammable anesthetics or other volatile materials due to a possible explosion hazard e Liquid spilled or dripped into the unit may cause damage to the unit or result in an electrical shock hazard Oxygen vigorously accelerates combustion To avoid violent ignition do not use any gauges valves or other equipment that has been exposed to oil or grease contamination 2 L1524 Rev D Avea ventilator system Chapter 1 Introduction Donotuse this device if any alarm alert function is inoperative To do so could result in a malfunction without warning possibly resulting in personal injury including death or property dam
211. ressor on battery power If unit runs for specified time plug back into AC receptacle and charge for 4 hours If unit does not run for specified time batteries should be replaced Note A Low Battery alarm will activate when the LED indicator on the front panel reaches red Reconnect external batteries if applicable L1524 Rev D Avea ventilator system Chapter 8 Preventive Maintenance y Replacing the O and Air Heliox filters You can access both these gas filters from the rear panel of the ventilator Figure 8 1 Rear panel To remove the O and Air Heliox filter covers you will need a filter removal tool P N 21735 as shown in Figure 8 1 1 Using the filter removal tool unscrew the filter covers to expose the filters Figure 8 1 Removing the filter covers L1524 Rev D 163 Chapter 8 Preventive Maintenance Avea ventilator system 2 Using needle nosed pliers grasp the filter firmly and pull straight out from the filter port Figure 8 2 Removing the filter 3 Replace the old filters with new ones Balston P N 050 05 taking care to seat the filter over the filter retainer inside the port as you insert each one Figure 8 3 Replacing the filter 4 Align the filter retainer in the center inside the filter as you replace the cover Figure 8 4 Replacing the filter cover 164 L1524 Rev D Avea ventilator system Chapter 8 Preventive Maintenance y Replacing the Compressor Inlet a
212. rface GUI It provides all of the adjustable controls and alarms as well as displays waveforms loops digital monitors and alarm status in real time Touch Screen The touch screen in conjunction with the LCD provides a set of software configurable soft keys The software allows the keys to be context sensitive The touch screen is a 12 1 analog resistive overlay on a piece of glass which is placed over the LCD It has a resolution of 1024x1024 Physically the touch screen consists of two opposing transparent resistive layers separated by insulating spacers Actuation brings the two opposing layers into electrical contact The Y coordinate is determined by applying a voltage from top to bottom on the top resistive layer This creates a voltage gradient across this layer The point of contact forms a voltage divider which is read by the analog to digital converter The X coordinate is determined by applying a voltage from left to right on the bottom resistive layer Again this creates a voltage gradient and the point of contact forms a divider which is read with an analog to digital converter Membrane Panel The membrane panel provides a set of permanent dedicated keys which allow the clinician to change certain ventilator functions The membrane panel will provide visual status to the clinician via embedded light emitting diodes LEDs The membrane panel consists of membrane switches which are read by the monitor CPU The switches form a m
213. rification Avea Ventilators eene 125 Installation Verificato Nan i sce oh eet rete erae d k psp rr dad etate dise eda ben 125 Confirmation checks ettet i nde rep Ce e ER Ree e eee ar te ce emp ere du tarts 125 Verification and Calibration aaa aa aa 126 Test and Access of the Security 5 eene nnne 127 Chapter7 Calibration eee a P Er RE e iren HR Pe WER da ale 131 Touch Screen Calibration Procedure eee mener kk kk kk ka ka 131 Transd cer Calibratiorisz 5 tc tte rer HO dern e AN ad eere Yen 134 Calibration setup ioo eid Ron een 135 AUXPIeSSUle s cities ea terea e dp dee Pa ee pae inp eua e noi eer aee coa e Ed 141 Flow Valve Characterization eene nennen eene nnns 149 S R TEE 152 Exhalation Valve Leak Test yp a k la tete lebte pe 153 Air O Regulator Differential Balance eme 154 CO Calibration Procedure s nk uo e ect ec Loy sees Pre e a sedie xen dab eem xe bane 155 Chapter8 Preventive Maintenance ak kaka nennen ener nennen nnn 161 Battery Discharge Proceduie ic pep ERR Ex Z RE eR een K Eee e ad su e RR ox EY ER kek kepek RA 162 Replacing the and Air Heliox
214. rization EXV icon Ensure that the message EXV Characterization in process appears in the lower area of the UIM 4 This test will run for 3 5 minutes and the lower area of the UIM will read EXV Characterization complete or EXV Characterization failed 5 Ifthe message reads EXV Characterization Complete the test has passed successfully If the message reads failed recharacterization the exhalation valve needs to have the characterization repeated Note After 3 failed attempts the Exhalation Valve will require replacement P N 16319 6 Once the EXV Characterization has passed Press Display EXV Data see Figure 7 33 7 This data is for reference use only and indicate flow and Slope determined by the software Press the continue icon Intercept 0 1 2 3 4 5 Status Pass CONTINUE Figure 7 33 L1524 Rev D 151 Chapter 7 Calibration Avea ventilator system Hysteresis Test Note For the following test the set up is as described in the Exhalation Valve Characterization procedure Connect the exhalation characterization tool P N 10136 from inspiratory outlet to the expiratory outlet Touch the OVP icon Touch the EX VALVE TEST icon and then the Continue icon Figure 7 34 OVP TOUCH ERASE SCREEN CAL FLASH EXHALATION VALVE TEST EX VALVE TEST 2 12 EX VALVE TEST CONTINUE Figure 7 34 The test may run for up to
215. rnal or external batteries to the appropriate voltages used by the rest of the system The power driver PCB also contains the charging circuit for both the internal and external batteries as well as the drivers for the flow control exhalation valve and multiple solenoids The internal 4 5 Ah NiMH batteries can power the entire system including the internal compressor for 30 minutes or 1 hour without the compressor When the external 12 Ah lead acid batteries are combined with the internal batteries the entire system including the compressor will run for 2 hours on batteries and for 4 hours without the compressor L1524 Rev D Avea ventilator system Chapter 2 Theory of Operation Transducer Alarm PCB TCA PCB The TCA PCB consists of circuitry for the audible alarm the wye hot wire flow sensor the gas ID the inspiratory and expiratory pressure transducers the source gas pressure transducers the exhaled flow sensor the FiO cell and communications with the UIM It also contains the nurse call and analog input and output A 68HC705 micro controller is used to generate alarm waveforms for an ASTM F1463 93 compliant alarm A super capacitor is used to provide a minimum if 120 seconds of power without wall AC or a battery Analog circuitry is provided to signal condition the wye Hot Wire Flow Sensor signal and a 12 bit ADC is used to digitize the signal A Flow Sensor Fail signal is provided to allow the Control Processor to determine
216. rway pressure 0 00 to 20 00 10 Paw minus the baseline airway Joules L pressure PEEPaw times the change in tidal volume to the patient AV during inspiration and normalized to the total inspiratory tidal volume Patient Work of Breathing WOB 0 00 to 20 00 1096 normalized to the total inspiratory Joules L tidal volume Patient work of breathing is defined as the summation of two work components work of the lung and work of the chest wall Requires an esophageal balloon WOB The work performed by the patient 0 00 to 20 00 10 to breathe spontaneously through Joules L the breathing apparatus i e the tube the breathing circuit and the demand flow system Requires a tracheal catheter Note Monitored values are displayed as BTPS Monitored Values End Tidal CO EtCO The patient s peak expired as measured and reported by the sensor in the airway EtCO is measured for each breath The display is either a breath by breath measurement or an averaged measurement Range 0 150 mmHg 0 20 0 kPa Resolution 0 1 mmHg 0 01 kPa or three significant digits whichever is greater Accuracy 2 mmHg for 0 40 mmHg 596 of reading for 41 70 mmHg 896 of reading for 71 100 mmHg 1096 of reading for 101 150 mmHg Note The minimum differential between inspired and expired CO must be 5 mmHg 0 7kPa or greater L1524
217. s 71 power on problems 171 L1524 Rev D Avea ventilator system pressure transducers 17 preventive maintenance 161 R rapid shallow breathing index 256 replace gas inlet filters 163 replace O2 filter 163 replaceable fuses 61 resistance circuit 263 265 respiratory system resistance 256 routine maintenance parts replaced annually 161 S safety information 1 safety over pressure system 19 screen calibrating 131 secondary alarm functional testing 85 removing and installing 83 security system testing and accessing 127 sensors specifications 263 service calls 191 software upgrading 111 upgrading ELAN 115 specifications accessories 250 atmospheric amp environmental 249 data input amp output 244 electrical 243 physical dimensions 250 pneumatic 243 powersupply 71 spontaneous breath rate 256 spontaneous minute volume 255 adjusted for patient weight 255 spontaneous tidal volume 255 adjusted for ideal body weight 255 stand bracket basic assembling 40 static compliance 256 symbols equipment 4 T TCA PCB 17 L1524 Rev D Service Manual terms definitions 272 theory of operation detail design 13 general 9 high level design 11 tidal volume accuracy verification 102 touch screen 14 calibrating 131 transducer calibrations 134 air inlet pressure 146 auxiliary pressure calibration 141 blended gas pressure 148 esophageal pressure calibration 138 expiratory
218. s all ventilator functions The Control micro controller MCU performs all gas calculations controls all valves solenoids and electronics required to deliver blended gas to the patient The Monitor MCU handles all user interface requirements including updating the active matrix liquid crystal display LCD monitoring the membrane keypad analog resistive touch screen and optical encoder for activity The Monitor MCU also performs all the input output functions of the UIM including RS 232 printer video output and communication to patient monitors Communication between the Control and Monitor MCU s is accomplished via an 8 bit dual port SRAM In addition both MPU s monitor each other and both are independently capable of activating the fail safe system The UIM is self contained and is tethered to the pneumatics module with a high speed data and power cable All valves are contained in the pneumatics module the control MCU controls all ventilator functions via the high speed serial channel HSSC The Monitor MCU provides additional input output functions contained in the ventilator These functions include analog outputs independent lung ventilation and nurse call and are updated by the Monitor MCU via the HSSC Liquid Crystal Display The liquid crystal display LCD provides graphical and digital feedback to the clinician The panel is a 12 1 SVGA 800x600 pixel active matrix LCD The LCD is used to implement the graphical user inte
219. slide it towards you and remove 10 Gently remove the exhalation flow sensor by pulling straight towards you Push in the locking tab on the exhalation valve and twist the exhalation valve body counterclockwise to remove Remove the silicon diaphragm from the exhalation valve assembly Disconnect the 4 pin connector to the GDE Carefully cut the cable tie retaining the exhalation valve Remove the 2 KEPS nuts and Phillips screws from the top and bottom of the exhalation valve assembly and the bracket recommend using a 3 8 box or open end wrench for this task Remove the exhalation valve by sliding it out with an up and backwards movement and slightly spreading the mount so as not to damage the wires Caution Ensure that you do not damage the small wires or locking tab when removing the exhalation valve L1524 Rev D 73 Chapter 4 Assembly and Disassembly Avea ventilator system Installation Position the exhalation assembly onto the chassis by lining up the screw holes on the front panel and sliding it into the exhalation valve bracket Caution Ensure that you do not damage the small wires or locking tab when installing the exhalation valve Install the 2 Phillips screws through the top and bottom of the exhalation valve assembly and the bracket and secure with 2 KEPS nuts 3 Connectthe cables to the wiring harness 10 11 74 Leaving room for the gas delivery engine run the wire har
220. splays in those fields Note An arterial blood gas sample is required to calculate VA Vd phy Vd Vt phy Vd alv OI and P F These values are available at the Capnography Maneuver screen Alveolar Ventilation VA Alveolar Ventilation is the volume of gas participating in gas exchange per minute Range 0 99 9 L min Resolution 0 01 L min or three significant digits whichever is greater Physiologic Dead Space Vd phy Range 0 999 mL Resolution 0 1 mL orthree significant digits whichever is greater Physiologic Dead Space Tidal Volume Ratio Vd Vt phy Range 0 99 Resolution 196 Alveolar Dead Space Vd alv Range 0 999 mL Resolution 0 1 mL or three significant digits whichever is greater L1524 Rev D 261 Chapter 11 Appendices Avea ventilator system 262 Oxygenation Index 01 Oxygenation index is a dimensionless number often used to assess the pressure cost of oxygenation Range 0 200 PaO2 entered in mmHg 0 1500 PaO2 entered in kPa Resolution 0 1 or three significant digits whichever is greater PaO Ratio P F PaO2 FIO2 ratio is a simple assessment of gas exchange Range 0 800 PaO2 entered in mmHg 0 106 PaO2 entered in kPa Resolution 0 1 or three significant digits whichever is greater L1524 Rev D Avea ventilator system Sensor Specifications and Circuit Resistance Table 11 2 Flow Sensor Chapte
221. system 62 Battery Fuses The internal and optional external battery fuses are 10A 250V 5 x 20 mm fast blow type External battery fuse holder External battery connector Figure 4 6 External Battery Connector and Fuse The fuse for the optional external battery is located on the back panel next to the external battery connector and is replaceable The fuse for the internal battery is located to the right of the UIM connection To remove fuses carefully unscrew with a flat blade screwdriver and pull out the fuse holder Warning To avoid fire hazard use only the fuse specified in the ventilator s parts list or one that is identical in type voltage rating and current rating to the existing fuse L1524 Rev D Avea ventilator system Chapter 4 Assembly and Disassembly Mains Fuses The main AC power fuses are housed within the power entry module located on the back panel They are slow blow type Check that the correct voltage for your mains supply is showing through the window in the power entry module Table 4 1 Mains fuses Line Voltage Fuse Amperage 100 120VAC 250V 6 35 x 3 2A 31 75mm 230 240VAC 250v 6 35 x 1 5A 31 75mm Replacing a Mains Electrical Fuse Warning Ensure that the mains power cord is unplugged before attempting to remove or replaces fuses To replace mains electrical fuses refer to Figure 4 7 through Figure 4 10 and do the following 1 Unplug the ventilator from the mains AC p
222. t towards the front of the Avea This will expose the flow sensor Set the rubber elbow aside Gently free the flow sensor from the exhalation valve body and pull out towards the front of the Avea This will leave the valve body in place To remove the valve body press down on the lever shown in figure 8 9 turn the valve body counter clockwise until the fins of the locking mechanism release and pull out This will expose the membrane L1524 Rev D Avea ventilator system Chapter 8 Preventive Maintenance Figure 8 8 Membrane seated in the valve body 9 To remove the membrane grasp the nipple and gently pull away from the valve body Figure 8 9 Removing the membrane L1524 Rev D 167 Chapter 8 Preventive Maintenance Avea ventilator system 10 Replace the membrane and press gently into the valve body making sure that the edges are well seated Figure 8 10 Seating the new membrane 11 Grasp the flow sensor by the smaller diameter orifice and insert into the cuff on the valve body 12 Push the rubber elbow onto the smaller end of the flow sensor taking care to align the groove on each side with the corresponding rail of the molded holder Valve body cuff Figure 8 11 Insert the flow sensor 168 L1524 Rev D Avea 13 14 15 16 ventilator system Chapter 8 Preventive Maintenance When the elbow is correctly installed the molded protrusion on the top lines up with the protrusions on each sid
223. tem Warnings Warnings and Cautions appear throughout this manual where they are relevant The Warnings and Cautions listed here apply generally any time you work on the ventilator e Alarm loudness must be set above ambient sound in order to be heard e Due to possible explosion hazard the ventilator should not be used in the presence of flammable anesthetics e Anaudible alarm indicates an anomalous condition and should never go unheeded e Anti static or electrically conductive hoses or tubing should not be used within the patient circuit e If a mechanical or electrical problem is recognized while running the Operational Verification Tests or while operating the ventilator the ventilator must be removed from use until the problem has been identified and resolved e The functioning of this equipment may be adversely affected by the operation of other equipment nearby such as high frequency surgical diathermy equipment defibrillators short wave therapy equipment walkie talkies or cellular phones Water in the air supply can cause malfunction of this equipment e Do not block or restrict the Oxygen bleed port located on the instrument back panel Equipment malfunction may result e Electric shock hazard Ensure the ventilator is disconnected from the AC power supply before performing and repairs or maintenance When you remove any of the ventilator cover panels immediately disconnect the internal battery quick
224. ter Pressure in mmHg 9765 Store Actual Figure 7 41 Field Calibration screen 2 With a calibrated Pressure Monitor PF 300 recommended measure actual barometric pressure 3 Touch the Pressure Icon and turn data dial until value matches value on Pressure Meter and press Store Actual icon 4 Press Exit Change Measurement Units 1 Enter service mode and press the Units icon UNITS 02 mmHg Figure 7 42 2 Press CO mmHg icon to change to kPa to change to CO mmHG 3 Press exit 158 L1524 Rev D Avea ventilator system 1 Reinitialize EEPROM Go to MFG screen and enter password Figure 7 43 will appear MANUFACTURING SETUP 02 INLET 02 PRES BLENDER SERIAL NUMBER AIR INLET BLENDED PRES GAS PRES XXX01000 MODEL NUMBER POWER COM DRIVER PRESSOR Avea Comp nINPAMV 02 BARO MONITOR SENSOR Figure 7 43 2 Press Baro Sensor Icon and the following screen will appear 3 4 PCB INIT DEVICE NAME BAROMETRIC SENSOR DEVICE TYPE PRESSURE TRANSDUCER REVISION _____ an MFG DATE a Month ACCEPT Figure 7 44 Press accept icon Press exit L1524 Rev D Chapter 7 Calibration 159 Chapter 7 Calibration Avea ventilator system 160 L1524 Rev D Avea ventilator system Service Manual Chapter8 Preventive Maintenance The Battery Discharge Procedure is recommended to be performed
225. th nothing attached to the Wye Flow Sensor Port on the front panel press the zero 140 0 cmH20 button for a zero calibration value Blue tubing Clear tubing To the calibration syringe To the manometer Figure 7 14 Attach the calibration set up Figure 7 14 to the Wye Flow sensor port on the front of the Avea Attach the blue tube only of the Wye flow sensor to the basic calibration tubing assembly using a barbed fitting Leave the clear tube unattached as shown here Turn the calibration syringe slowly counter clockwise for a negative pressure of only 4 cmH O for the negative calibration value and plus 4 cmH5 O for the positive value Press the appropriate touch screen button when each value is reached to capture and store the value Press Exit Disconnect Calibration set up from Wye Flow sensor connector Warning Apply NO MORE THAN 10 cmH 5O to the port when calibrating this value Doing so could cause damage to the Avea If this occurs immediately contact Technical Support for instructions L1524 Rev D Avea ventilator system Chapter 7 Calibration Aux Pressure 1 From the Calibration screen menu press AUX PRES to access the aux pressure transducer calibration screen Figure 7 15 Auxiliary Pressure Transducer Calibration screen 2 With NOTHING attached to the Aux port on the front panel of the vent press Zero 0 calibration icon on the touch screen 3 Attach the calibration assembly to the Aux
226. tilator system When a target connection is established the HyperTerminal window displays a list of commands AVEA HyperTerminal File Edit Transfer Help 05 28 flvea Software Upgrade Utility Commands download Application Kmodem download Kernel Master Kmodem download Kernel Slave Kmodem V display version info 7 or Help display help Cycle power to exit Figure 6 1 The commands available include D1 D2 D3 are commands to download application kernel software to the target e Visthe command to display the versions of software installed on the target e and Help are commands to display the above help information 3 Atthe command prompt type a command D1 D2 or D3 to download the corresponding software to the target AVEA HyperTerminal File Edit View Cal Transfer Help Dc 8 08 Avea Software Upgrade Utility Commands D1 download Kernel Master Kmodem download Kernel Slave display version info or Help display help Cycle power to exit gt 01 Erasing flash memory 4100 Erase complete Xmodem download now Connected 0 01 33 Auto detect 115200 8 N 1 Figure 6 2 112 L1524 Rev D Avea ventilator system Chapter 6 Avea Software Upgrade Note Before proceeding to the next step wait for the Start Xmodem download now message to appear which indicates that erasing of the flash memory is complete 4 Onthe
227. tion Communications error 1 Loose external connection Bad Sensor 2 Loose internal connection Communications error 3 Faulty TCA PCB GDE 1 Sensor not active in certain modes 2 Loose external connection Bad Sensor 3 Loose internal connection Communications error Normal condition Unit expects gas at BTPS not ATPD 1 Humidifier Active on off set incorrectly 2 Bad Flow sensor 3 Expiratory flow out of calibration 4 Bad pressure transducer Chapter 9 Troubleshooting Solution s 1 Clean replace sensor as needed 2 Re calibrate and recheck volumes 1 See operator s manual for correct sensor mode configurations 2 Check external connection replace sensor 3 Check all cables connections See EPM troubleshooting section 1 Check external connection replace sensor 2 Check all cables connections 3 Replace TCA PCB GDE 1 See operators manual for correct sensor mode configurations 2 Check external connection replace sensor 3 Check all cables connections Replace TCA PCB GDE NA 1 Active on for humidifier Active off for HME 2 Check for correct zero with Wye sensor 3 If Wye sensor zeros correctly recalibrate Expiratory flow and recheck Replace internal sensor if needed 4 If Internal external sensors both zero incorrect after recalibration bad pressure transducer replace GDE 179 Chapter 9 Troubleshooting Table 9 7 Nebulization System Symptom Nebuliz
228. tor system Chapter 11 Appendices passive patient Avea MESSAGE BAR TEXT CAUSE Printer Error Print Screen button was pressed printer reported an error condition Printer Ready Sending screen data to printer has completed Printer Busy Print Screen button was pressed device has not completed sending data from previous activation Volume Limit disabled On disconnect of WFS Neo or Hotwire when Size is NEO and Volume Limit is active Proximal Flow Sensor disconnected On disconnect of WFS any type Flow sensor is not Heliox compatible On connect of Hotwire WFS when Heliox is active Proximal Airway Line disconnected On disconnect of Proximal Pressure connection Proximal Flow Sensor conflict On simultaneous connect of Hotwire and VarFlex WFS Esophageal monitoring not available On connect of Esophageal Balloon when size is NEO Tracheal monitoring not available On connect of Tracheal Catheter when size is NEO Flow Sensor Error On power up failure to validate any internal flow sensor Wye Sensor Error On connect and failure to validate any proximal flow sensor Device Error On detection of a fault classified as Device Error see Fault Section Esophageal Balloon Leak Test Failed On failure of Esophageal Balloon leak test Stopped Patient Effort Detected Upon detecting Patient effort in maneuvers which require a Proximal Flow Sensor
229. two mounting screws inside the pack arm cover and tighten them 9 Install the front arm cover Install 1 Phillips screw into the front arm cover and tighten it 10 Install the rubber collar around the UIM rear neck Warning Always disconnect the white battery quick disconnect once the top cover is removed to prevent injury and or damage to the Avea Ventilator System Note Prior to complete reassembly UIM may be temporarily installed for testing and calibration Exhalation Corner Assembly Removal 1 If installed remove the exhalation filter assembly Rotate the metal locking lever on the lower right of the ventilator body forward to an open position Remove the exhalation filter assembly from the ventilator body by pulling straight down 2 Using along Phillips screwdriver remove the 1 Phillips screw located at the top of the exhalation filter assembly well if applicable 3 Remove the 1 Phillips screw located at the exhalation port marked EXH if applicable 4 Remove 1 Phillips screw from the outside of the plastic cover 5 Remove the 1 Phillips screws on the front left wall and the 1 Phillips screw on the right side wall and set plastic cover aside 6 Remove the 3 Phillips screws on the metal re enforcement cover if applicable and set aside L1524 Rev D 51 Chapter 4 Assembly and Disassembly Avea ventilator system Installation Secure the metal re enforcement
230. ube from the regulator and move it out of the way Note If the unit is serialized prior to ADV03500 repositioning the jumper at J3 may be required See photo 6 Install the Secondary alarm assembly as shown in photo 1 ensuring that the back of the Secondary alarm bracket is flush against the nebulizer block Caution Ensure all wires and tubes are out of the way prior to installing the Secondary alarm assembly Using an 11 32 nut driver tighten the 2 Kep nuts securing the Secondary alarm in place Using an 11 32 nut driver tighten the remaining Kep nut Connect wires from the Secondary alarm as follows 1 1Wires 66 to 25 and 26 2 Disconnect Wires 31 and 32 from the Speaker Alarm connection labeled 51000 40818 3 Wires 68 and 69 to Wires 31 and 32 4 Connect wires labeled 51000 40818 to J1 located on the Secondary alarm P C B A Locate wire 470 71 this will be the longest wire with split coupling at the end Feed wire 470 71 underneath the tubes and solenoids and through the access hole in the chassis were the yellow and blue tube feed through into the area See photo 2 Once wire 70 71 is fed through the access hole set the pneumatic module on its side and pull wire 70 71 all the way through the access hole Feed wire 470 71 along side the GDE and the Exhalation assembly Disconnect wire 41 from the main power switch Connect wire 41 and 470 71 together as shown in photo 3 Connect wires 41 and
231. ure they do not exceed the following limits when adding attachments or other components or subassemblies to the breathing circuit Note Refer to product labeling supplied with any accessory to be added to the breathing circuit for this information e 0 6 KPA 6cmHO at 60 L min for adult patients e 0 6 KPA 6cmHO at 30 L min for pediatric patients e 0 6 KPA 6cmH20 at 5 L min for neonatal patients Warning Total resistance of the inspiratory and expiratory limbs of the breathing circuit with accessories should not exceed 4cmH20 at 5 L min if inspiratory flows gt 15 liters per minute are used in TCPL ventilation modes Circuit Resistance Test To measure the resistance of the inspiratory and expiratory limbs of the breathing circuit with accessories connect the patient breathing circuit as described in Chapter 2 1 Select TCPL SIMV with settings Inspiratory Pressure Inspiratory Time Flow Trigger Pressure trigger 2 Select waveform Pinsp 3 With the patient wye blocked allow the baseline pressure PEEP to stabilize for 10 seconds and press the FREEZE key 4 Use the data dial to read the pressure from the Pinsp waveform The pressure must not exceed 4 at 5 L min if inspiratory flows gt 15 liters per minute used in TCPL ventilation modes L1524 Rev D 265 Chapter 11 Appendices Avea ventilator system Advanced Pulmonary Mechanics Monitored Parameters 266 Rapid Shallow Breathing In
232. urn to the set up screen Note If you do not connect the ventilator to an oxygen supply the O Sensor Calibration will immediately fail 94 L1524 Rev D Avea ventilator system Chapter 5 Operational Verification Procedure OVP Manual Alarms Testing This testing verifies the following alarms Low PEEP alarm Low O alarm High Ppeak alarm High O alarm Circuit Occlusion EXT High Ppeak alarm Low Ve alarm Low Vt alarm sensitivity Loss of AC alarm Circuit Disconnect High Ve alarm High Rate Alarm High Vt alarm Apnea Interval Alarm Low Vt alarm Caution Although failure of any of the above tests will not prevent the ventilator from functioning it should be checked to make sure it is operating correctly before use on a patient Note To ensure proper calibration of the oxygen sensor you should always perform a complete EST prior to conducting Manual Alarms Testing Warning User Verification Testing should always be done off patient Caution Following each alarm verification test ensure that the alarm limits are reset to the recommended levels shown in the following charts before proceeding to the next test L1524 Rev D 95 Chapter 5 Operational Verification Procedure OVP Table 5 1 Test Setup Requirements Adult Setting Air Supply Pressure 20 80 psig 2 1 bar Avea ventilator system Pediatric Setting Same Neonate Setting Same O2 Supply Pressure 20 80 psig 2 1 bar Sam
233. w measurement The Servo Control Electronics Software receives and sends the control signals to the Flow Control System Components Flow Control Valve adjustments are made for gas temperature gas density and backpressure Safety Over Pressure System The Safety Pressure Relief Valve prevents over pressure in the breathing circuit and provides a connection between the patient and ambient air during a gas delivery failure from the Ventilator A Check Valve downstream of the Safety Pressure Relief Valve prevents flow from the patient back into the Ventilator Pressure Relief around the Check Valve is accomplished through an orifice installed in parallel to the Check Valve The Safety Relief Valve allows the patient to breathe room air in the event of a ventilator or power failure It also acts as an independent relief valve which limits the maximum pressure the ventilator can deliver L1524 Rev D 19 Chapter 2 Theory of Operation Avea ventilator system 20 Hour Meter The Hour Meter provides a means of monitoring the number of hours the ventilator is in use In addition it is used by the ventilator to track compressor hours of operation A Curtis 201 hour meter is used The hour meter is active as long as 5 volts is available The hour meter outputs a continuous stream of serial data The control processor reads the data by synchronizing to the start pulse of the data stream and then reading each successive bit The hour meter does not hav
234. y as shown in the illustration below 2 screws not shown Metal Support Bracket 4 screws Figure 3 18 Remove the rear plate by removing the six screws securing it to the Wheel Base assembly Save screws for re installation Remove the support bracket by removing the four screws securing it to the bottom of the Wheel Base Save screws for battery tray rail Install the Battery Tray Rail Plate as shown in illustration below Secure it with the screws removed from the metal support bracket Attach Battery Tray Rail Plate with 4 screws to bottom of Wheel Base Assembly Figure 3 19 L1524 Rev D 37 Chapter 3 Installation Instructions Avea ventilator system 38 11 12 15 16 17 18 19 20 Turn the cart upright and apply brakes on the front casters to prevent the stand from rolling Prepare the battery tray as it is shown in the Metal Cart instructions on page 19 of this document After connecting the battery connecter to the harness of the external batteries lift the tray and begin to insert it into the back of the cart resting the mount slide on the tray rail You will have to tilt the batteries toward the middle of the tray without moving them out of their cutout As you tilt them slide the tray into the mount rail Install the Back Plate with the four 5 32 screws on either side Install two 1 8 screws in the two center hole securing the battery tray Install ventilator making sure cab
235. ze the ventilator The internal components are not compatible with sterilization techniques Do not gas sterilize or steam autoclave tubing adapters or connectors in place The tubing will over time cause poor connection and possible leaks e DO NOT submerge the ventilator or pour cleaning liquids over or into the ventilator e Donotuse Trichloroethylene or similar solutions as damage to surface may result Do not allow any liquid to spill or drip into the ventilator e Circuit boards are subject to damage by static electricity Do not touch components circuit or connector fingers with hands Handle only by edges L1524 Rev D 3 Chapter 1 Introduction Equipment Symbols Avea ventilator system The following symbols may be referenced on the ventilator or in accompanying documentation Symbol Source Compliance Meaning Symbol 03 02 IEC 60878 Indicates ATTENTION consult ACCOMPANYING DOCUMENTS gt Symbol 5016 IEC 60417 Symbol 5034 IEC 60417 Symbol 01 36 IEC 60878 Symbol 5035 IEC 60417 Symbol 01 37 IEC 60878 Symbol 5019 IEC 60417 Symbol 01 20 IEC 60878 Symbol 5021 IEC 60417 Symbol 01 24 IEC 60878 Symbol 5333 IEC 60417 Symbol 02 03 IEC 60878 Symbol 5032 IEC 60417 Symbol 01 14 IEC 30878 Symbol 5007 IEC 60417 Symbol 01 01 IEC 60878 Symbol 5008 IEC 60417 Symbol 01 02 IEC 60878 Symbol 0651 ISO 7000 CareFusion Symbol CareFusion symbol This symb
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