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Vyaire VELA, Руководство по обслуживанию

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Chapter 3: Disassembly and Assembly 

3-5 

 

 

33373-001 Version A 

Installation 

Reconnect cables and follow removal process in reverse order 

3.5  Front Panel P/N 16345A  

(S/N AHT07499 and Below) 

NOTE 

For further details on ordering the replacement front panels and Main PCB see Appendix B 

 

Figure 3-6. Front Panel Assembly 

Removal 

Remove the power cable, top cover, battery tray, right panel, and left panel. From the Power PCBA 
side (Rt side) of the vent remove the following cables and tubing:  

1.  On the Main PCBA disconnect the 50-pin ribbon cable at  JP1 

2.  On the Main PCBA disconnect the Insp Hold Solenoid cable at J14 

3.  On the Main PCBA disconnect the Power to Main ribbon cable at J17 

4.  On the Main PCBA disconnect the Power to Main wire cable at J16 

5.  On the Main PCBA disconnect the Alarm Loudness cable at J19 

6.  On the Main PCBA disconnect the O2 Cell cable at J12  

7.  On the Main PCBA disconnect the Nurse Call cable at J18 

8.  On the Main PCBA disconnect the Exhalation Valve cable at J15 

9.  On the Main PCBA disconnect the Gas dryer Tube from the Luer fitting 

From the Left side of the Vent remove the following cables and tubing:  

10. On the Main PCBA disconnect the O2 and Nebulizer Solenoids at J23 & J24 

11. On the Main PCBA disconnect the Blender Cable Assembly at  J13 

Содержание VELA

Страница 1: ...se file name Paperweight equal to or heavier than Paper specifications preferably 80 C1S Cover to be placed directly in the front cover clear plastic overlay Back NA Binding Three ring binders at least 0 75 or greater white clear window View Binder inside pockets are not required but acceptable Proof A representative from marketing communications or purchasing will approve proof for quality Packag...

Страница 2: ...33373 001 Version A VELA Ventilator Service Manual ...

Страница 3: ...Vyaire 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 2019 Vyaire Vyaire the Vyaire logo and all other trademarks or registered trademarks are property of Vyaire Medical Inc or one of its affiliates 33373 001 Version A 2019 ...

Страница 4: ...h 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 Limitat...

Страница 5: ... Receptacle assembly 3 8 3 9 Exhalation Valve Assembly 3 8 3 10 Blender Assembly 3 9 3 11 Turbine and Muffler Assembly 3 10 3 12 Inlet Filter Screen 3 11 3 13 Oxygen Sensor 3 11 3 14 Rear Panel 3 12 3 15 Fan and Filter Assembly 3 12 3 16 Manifold Base Assembly 3 13 Chapter 4 Software Download Procedure 4 1 4 1 Prior to Software Download 4 1 4 2 Software Download 4 1 4 3 Ventilator Upgrade Procedur...

Страница 6: ... 9 1 Chapter 10 Maintenance and Cleaning 10 1 10 1 Cleaning Sterilization 10 1 10 2 Cleaning 10 1 10 3 Sterilization 10 2 10 4 Other Accessories 10 2 10 5 Recommended Periodic Maintenance 10 3 Chapter 11 Specifications 11 1 11 1 Oxygen Supply 11 1 11 2 Electrical Supply 11 1 11 3 Data Input Output 11 2 11 4 Atmospheric Environmental Specifications 11 3 11 5 Physical Dimensions 11 4 Appendix A Cont...

Страница 7: ...perate the ventilator in a 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 Vela Ventilator is intended to provide continuous or intermittent ventilatory support for the care of individuals who require mechanical ventilat...

Страница 8: ... identify conditions or practices that could result in damage to the ventilator or other equipment NOTES NOTES identify supplemental information to help you better understand how the ventilator works Warnings Warnings and Cautions appear throughout this manual where they are relevant The Warnings and Cautions listed here apply generally any time you operate the ventilator The VELA Ventilator is in...

Страница 9: ...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 Cautio...

Страница 10: ...inst electric shock particularly with regards to allowable leakage current and reliability of the protective earth connection This symbol indicates the equipment is suitable for alternating current This Symbol indicates the ON condition for a part of the equipment When pressed the ventilator will operate from the MAINS voltage if connected or internal or external batteries if the battery charge is...

Страница 11: ...indicates ALARM RESET Increase OXYGEN Indicates VARIABLE ORIFICE FLOW SENSOR This symbol indicates DIRECT CURRENT DC This symbol indicates the INTERNAL BATTERY STATUS display This symbol indicates INSPIRATORY HOLD This symbol indicates EXPIRATORY HOLD This symbol indicates MANUAL BREATH ...

Страница 12: ...of the ventilator covers or panels immediately disconnect the internal battery Molex connector see Figure 3 1 before working on the ventilator 1 2 Recommended Tools Equipment NOTE Use of a calibrated flow volume analyzer will be necessary to confirm the function of the Vela The flow volume analyzer should be calibrated as per manufacturers recommendations Long short Philips screwdrivers Flat blade...

Страница 13: ...if necessary Every two years internal batteries P N 16048 includes the battery tray should be replaced along with the annual PM parts and procedures Maintenance on the VELA should only be carried out by a Vyaire trained and authorized service technician Vyaire will make available to qualified technicians service manuals and such items as circuit diagrams component parts lists calibration instructi...

Страница 14: ...essure The offset is recorded by the microprocessor and is used as a correction for future pressure measurements This compensates for long term and temperature drift Materials exposed to patient gases include compatible plastics aluminum and plated steel 2 2 2 Exhalation System The exhalation system controls the flow of gas from the patient s lungs during the exhalation phase of a breath This elec...

Страница 15: ...es The microprocessor opens and closes the valves as required to supply the correct amount of oxygen to satisfy the O2 setting and the flow demand The signal from the O2 inlet pressure transducer is used to compensate delivered O2 for O2 inlet pressure variations The blender can be used to supply nebulized flow at 100 oxygen A safety solenoid is used to shut off the flow of oxygen when the ventila...

Страница 16: ...ross 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 permane...

Страница 17: ...tem into analog signals which drive the turbine and exhalation valve The microprocessor also performs several repetitive tasks such as generating the refresh signals for the display system cycling the A to D converters through a pattern of measurements from the multiple signal sources and scanning the control panel for pressed buttons Solenoid Valves and Valve Drivers including the Auto Zero valve...

Страница 18: ... converter The speed of rotation is monitored by the optical Speed Transducer The transducer outputs a train of pulses with a frequency proportional to the rotational speed of the motor This pulse train is a control feedback input to the microprocessor 2 4 7 Oxygen Blending System The electrical portion of the oxygen blending system is made up of a safety solenoid a pressure regulator set to 40 PS...

Страница 19: ...2 6 Chapter 2 Theory of Operation 33373 001 Version A This page intentionally left blank ...

Страница 20: ...sure you are properly grounded through a current limiting connection before performing any service or maintenance procedures and store ESD susceptible electrical components in anti static bags to prevent damage to the components NOTE When the batteries are disconnected the system will automatically re set the battery status memory and will initiate a 30 hour re charge cycle upon re connect If the ...

Страница 21: ...steps in each Installation section in reverse starting with the last component and finishing with the power cable installation instructions 3 3 1 Power Cable Figure 3 2 Power Cord and Bracket Removal 1 Remove the 2 Phillips pan head screws in the top portion of the power cable guard at the rear of the unit see Figure 3 2 2 Remove the guard and unplug the power cable Installation Follow removal pro...

Страница 22: ...order P N 16048 Figure 3 4 Battery Tray assembly Removal 1 Remove the power cable and top cover 2 Remove the 4 Phillips pan head screws in the battery tray 3 Lift the battery tray out of the unit 4 Disconnect the batteries from the white Molex DC power connector NOTE When the batteries are disconnected the system will automatically re set the battery status memory and will initiate a 30 hour recha...

Страница 23: ...emove the 1 Phillips pan head screw in the lower center of the right panel Gently lift out the panel and the power PCB Lay the panel flat and make the following disconnections 5 On the Power PCBA disconnect the 26 pin ribbon cable at J1 6 On the Power PCBA disconnect the 2 wire brown black connector at J7 7 On the Power PCBA disconnect the 3 wire connector at J2 8 On the Power PCBA disconnect the ...

Страница 24: ...le at JP1 2 On the Main PCBA disconnect the Insp Hold Solenoid cable at J14 3 On the Main PCBA disconnect the Power to Main ribbon cable at J17 4 On the Main PCBA disconnect the Power to Main wire cable at J16 5 On the Main PCBA disconnect the Alarm Loudness cable at J19 6 On the Main PCBA disconnect the O2 Cell cable at J12 7 On the Main PCBA disconnect the Nurse Call cable at J18 8 On the Main P...

Страница 25: ...ELA ColdFire 2 S N AHT07500 and Above Figure 3 7 Front Panel Assembly without the Main PCB NOTE All Front Panels for the ColdFire 2 ventilators S N AHT07500 above come without the Main PCB assemblies The Main PCB must be ordered separately P N 16687 0A VELA Basic Front Panel Used for Domestic English Overlay P N 16687 1A VELA Plus Front Panel Used for Domestic English Overlay P N 16687 2A VELA Com...

Страница 26: ...t J2 center of PCB 4 On the Main PCBA disconnect the Backlight Inverter cable at J4 center of PCB 5 Remove the seven 7 mounting screws securing the Main PCBA to the LCD Panel 6 Remove the two 2 nuts securing the Flow Sensor Receptacle 7 Carefully lift the Main PCBA and disconnect the Optic Encoder cable at J11 NOTE If you are not replacing the Main PCBA and you have removed it to access other comp...

Страница 27: ...eptacle is accessible and can be removed by sliding the receptacle off of the threaded studs that are part of the LCD panel Installation Follow removal process in reverse order 3 9 Exhalation Valve Assembly P N 16417A Figure 3 10 Exhalation Valve Assembly Removal After removal of the Front Panel Assembly follow the steps below 1 Remove the two mounting screws securing the Exhalation Valve assembly...

Страница 28: ...g is located above the low pressure fitting 3 On the Blender PCBA disconnect the 12 wire connector at J301 4 Remove the bottom strip ambient air inlet filter by pinching and pulling it out 5 Remove 3 Phillips pan head screws on the right side of the rear panel 6 Use needle nosed pliers to disconnect the oxygen diffuser tube as you remove the blender assembly Installation Follow removal process in ...

Страница 29: ...mbly Removal 1 After the Blender assembly has been removed 2 Disconnect the Main Wire Harness connector at P2 on the Turbine Driver PCBA 3 Remove the five 5 mounting screws securing the turbine muffler assembly 4 Disconnect the Turbine Encoder Cable from the Main PCBA at J6 5 Lift out the turbine assembly carefully Installation Follow removal process in reverse order ...

Страница 30: ... to the Manifold base assembly Installation Follow removal process in reverse order 3 13 Oxygen Sensor P N 27750 001 Analytical Industries or 27751 001 Maxtec Figure 3 14 O2 Sensor Cell Removal After removing the inlet filter screen you will be able to access the O2 cell 1 The O2 sensor is visible on the left Disconnect the O2 cell wire connector from the manifold base 2 Twist and pull the O2 cell...

Страница 31: ...Disconnect the Remote Alarm cable connector at J2 on the Remote Alarm PCBA 3 Disconnect the Main Power Switch wires brown black from Main Power switch 4 Turn the unit on its side 5 Remove 3 Phillips pan head screws securing the rear panel to the Manifold Base assembly 6 Remove the rear panel from the manifold base Installation Follow removal process in reverse order 3 15 Fan and Filter Assembly P ...

Страница 32: ...ation Follow removal process in reverse order 3 16 Manifold Base Assembly P N 16348 Figure 3 17 Manifold Base Assembly NOTE This manifold base is a complete assembly and can only be ordered as P N 16348 It will come from the factory completely tested with components as pictured CAUTION Further disassembly of the manifold base is not recommended If further disassembly is performed there is no guara...

Страница 33: ...3 14 Chapter 3 Disassembly and Assembly 33373 001 Version A This page intentionally left blank ...

Страница 34: ...be reset post upgrade in order for the ventilator to communicate with an external device 5 Cycle power to off 4 2 Software Download 1 Make sure the VELA Ventilator is powered OFF 2 Assemble the adaptor P N 16392 9 pin female connector to Ethernet cable adaptor and Ethernet cable P N 70693 3 Connect the 9 pin end of the adaptor P N 16392 to the 9 pin serial communication port connector of the compu...

Страница 35: ...ELA software 8 Double click the file Start_VELA_Download bat A window similar to the one shown below opens Figure 4 2 Computer Screen 9 Power ON the VELA ventilator 10 The following messages will be added to the screen Load address Start address File size bytes The VELA ventilator then erases the old application software Once this is completed the ventilator starts receiving and loading the new ap...

Страница 36: ... updating VELA ventilator the computer screen will display the Download time and status The VELA ventilator will automatically reboot and return to the VELA Splash screen and then the Patient Select screen The alarm will be in the Patient Default alarm mode Figure 4 4 Successful Download 11 Perform an OVP before using the ventilator on a patient ...

Страница 37: ...sic configuration the vent is shipped with These options will be available for purchase initially as well as available any time in the future Should you choose to enable other features contact your sales representative for purchase of these features Once the purchase and sales order number have been verified Vyaire Vela Technical Support can enable these other features in the ventilator ...

Страница 38: ...058 Fan filter media large 1 ea 21950 Piston inspiratory valve 1 ea 21971 Compression spring 2 ea 22914 001 Gasket Muffler Assembly 1 ea 31028 Insp check valve cover O Ring 1 ea 31029 Insp piston O 1 ea 68319 Battery 3V coin cell 1 ea 21013 Inspiratory Valve gasket 6 ea 23199 001 Screw 6 32 X 375 with nylon Phillips Head 1 ea 20714 End Cap Muffler 5 2 General Instructions and Warnings WARNING Alwa...

Страница 39: ...nel performing preventive maintenance and product repair must be trained and certified by Vyaire to service the product 5 3 Required Tools Philips screwdrivers Flat tip screwdrivers Needle nosed pliers Open end wrench Torque driver calibrated to 7 in lb and 2 driver bit Muffler filter insertion tool Vyaire P N 27351 002 5 4 Procedure 5 4 1 Battery Duration Test Below is a procedure that will ident...

Страница 40: ...then proceed NOTE Vyaire recommends that customers perform a Battery Performance Verification Test annually and change the batteries on the VELA at least every two years Batteries should be changed sooner if deemed necessary in the performance verification testing 9 If during the one hour test period there were battery related alarms and alert messages the Battery Charge circuit will need to be re...

Страница 41: ...reduce its efficiency and could allow contaminants into the ventilator body Push the retaining grid until all four tabs click into place Figure 5 1 Pinch and Remove Foam Fan Filter 5 4 5 Replacing the filter retaining washer o ring check valve on the low pres O2 fitting Using a inch open end wrench loosen and remove the low pressure oxygen fitting from the back panel as shown in Figure 5 2 Figure ...

Страница 42: ... hi pressure fitting Using a inch open end wrench loosen and remove the threaded high pressure oxygen fitting this is a two piece fitting Remove the white cone filter the white delrin washer the black duck billed check valve as described above and discard The oxygen fitting is a two piece fitting using two open ended wrenches separate the two piece fitting Remove the two O rings on the fitting and...

Страница 43: ... the Power Cord Guard Following directions in Chapter 3 Disassembly and Reassembly unscrew the screws holding on the VELA cover Slide cover towards the rear of the machine and lift off as shown in Figure 5 7 Figure 5 7 Slide cover off towards the rear Remove the 4 screws securing the battery tray lift the tray and the attached large capacitor assembly out Lean the battery tray and capacitor assemb...

Страница 44: ...panel Pull the panel out from the rear first then ease it towards the back tilt out Lay the assembly flat The Mufflers are now accessible 5 4 8 Replacing the muffler filter assemblies To remove replace the muffler filter Assemblies P N 10365 first pull out the two silicone elbows from the muffler assembly end cap P N 20714 Leave the elbows installed in the base manifold of the ventilator this prev...

Страница 45: ...hed the Left side is a muffler only Figure 5 12 Filter Assembly Using the muffler filter insertion tool P N 27351 002 make sure the seam on the filter is horizontal and install the new muffler filter assemblies P N 10365 into the right side of the housing Be sure to push the muffler into the housing until the tool is flush with the housing Figure 5 13 When installed to the correct depth the muffle...

Страница 46: ...he muffler for the left side of the housing and using the muffler filter insertion tool insert the left side muffler with no filter into the housing and make sure the tool is flush with the housing Figure 5 13 Muffler Removal Figure 5 14 Proper Filter Insertion Depth ...

Страница 47: ...gure 5 15 Screw Installation Order Install the two silicone elbows into the muffler cover and push in the center to make sure they are seated Figure 5 16 Installing Silicone Elbows 5 4 9 Replacing the Inspiratory Check Valve 1 Remove the inspiratory hold solenoid cable J302 from the Main PCB assembly 2 Remove 2 Phillips pan head screws and lift out the solenoid Remove the O ring from the base moun...

Страница 48: ...se of the piston 7 Place the inspiratory check valve in the base manifold cavity centering it 8 Place the spring P N 21971 into the center of the check valve P N 21950 9 Slip the solenoid over the spring using the guide in the base of the solenoid and seat into place 10 Tighten the Inspiratory Hold Solenoid using the two Phillips Screws to the base manifold 5 4 10Replacing the 3 volt coin battery ...

Страница 49: ...ender screws 1 Using directions in Chapter 3 Disassembly and Reassembly remove rear inlet filter screen and the blender from the unit 2 Gently lift the blender up from the manifold base this will disconnect the diffuser tubing connected to the flow port on the bottom of the blender There will be a tube going from the nebulizer port on the front panel to the nebulizer solenoid on the blender this t...

Страница 50: ...nd switch dipswitch 1 to the ON Position 14 Reconnect the battery tray Molex connector to the main wiring harness 15 Connect the power cord to the ventilator and Main AC 16 Connect Oxygen hose to the high pressure O2 fitting and apply 50 psi 17 Turn power on to the unit and verify the unit is in SVT Mode 18 Press the Main Icon in the middle of screen 19 Press the Solenoid Icon on the drop down scr...

Страница 51: ...ding the battery tray in place Reconnect the ribbon cable 3 Slide the cover in place from the rear and push the top front edge home under the lip Attach the 4 screws on the rear of the cover 4 Reattach the power cord and re attach the power cord guard with the two screws 5 Perform Ventilator OVP and performance test as per directions in Chapter 7 5 5 Two Year PM The following will be replaced ever...

Страница 52: ... 5 23 Flat head Screw Location 4 Remove the two large flat head screws from the top of the capacitor 5 Remove the four nuts and star washers from the capacitor straps and set aside Figure 5 24 Figure 5 24 Capacitor Strap Hex Nut Location 6 Remove the capacitor straps from the tray and set aside 7 Remove the blue capacitor and set aside ...

Страница 53: ...on the capacitor Black wires to the negative terminal on the capacitor 13 Secure harness on the terminals with the flathead screws 14 Place the black covers over the terminals 15 Locate the previously removed ribbon cable and ferrite chokes 16 Secure the ribbon cable and two ferrite chokes to the battery tray with the previously removed nuts Make sure the cable does not kink or bind on the capacit...

Страница 54: ...ined and certified by Vyaire to service the product To perform calibrations use Vela Calibration Kit Vyaire P N 11551 6 1 1 Test Set up Figure 6 1 Calibration Setup 1 Figure 6 2 Calibration Setup 2 To pressure manometer O 60 psig To calibration port High pressure gas source wall or bottled with 0 50 psig regulator attached To pressure manometer 0 to 60cmH2O To transducer Solenoid tubing ...

Страница 55: ...formance tests calibration is not necessary 6 2 1 Power Up Service Verification Tests 1 Remove the top cover and battery tray 2 Locate DIP Switch pack at SW900 on top right of the Main PCBA 3 Place switch 1 in on position and power vent on Figure 6 3 4 On the touch screen press the Main Icon and note the drop down box appears Figure 6 3 DIP Switch Pack as pictured on PCB Figure 6 4 Transducer Conf...

Страница 56: ...on tubing to the tube listed in Figure 6 4 labeled to exhalation valve dryer tube S904 7 Apply 60 cmH2O of pressure to the transducer Allow pressure to stabilize for 3 4 seconds Press the PRESSURE APPLIED button to confirm the 60 cmH2O span calibration 8 Verify O K is displayed next to the 60 Select Save Calibration to store settings 9 Reconnect the tubing to the luer lock connecter 6 2 5 Turbine ...

Страница 57: ...all tubing to the tee connecter it was disconnected from 6 2 7 O2 Pressure Transducer Calibration 1 Apply 50 PSI to the high pressure O2 inlet on the rear of the ventilator 2 Select O2 PRESS you should hear the gas flow from the front nebulizer port Now turn the gas pressure off and disconnect the high pressure gas hose from the high pressure inlet on the rear of the ventilator 3 Select Pressure A...

Страница 58: ...ch a test circuit made of reusable patient tubing with the test lung p n 33754 4 Power up ventilator and make the following adjustments to settings on front panel Set Ventilator parameters as follows Mode Volume Assist Control Volume 500 ml Peak Flow60 lpm Breath Rate12 bpm PEEP 5 cmH2O Adjust all other controls and alarm limits out of the range of operation to either OFF or min max settings for a...

Страница 59: ...making final adjustments to the blender 5 LPM and 15 LPM needle valves and making sure the needle valve jam nuts are secure check all settings of the FIO2 range from 21 to 100 11 Check the O2 settings and confirm that accuracy is within 3 throughout the blender range ...

Страница 60: ...Charge Status 3 Verify the Display Monitor Lamp Test in Progress ON OFF 4 Press the Lamp Test Icon to stop the test 7 1 2 Select Switch Test 1 Press the Switch Icon on the touch screen 2 Press the ACCEPT button once and verify ACCEPT is displayed in monitor window 3 Press the following switches and verify the correct name of the switch pressed appears in monitor window Switch Activated Message in ...

Страница 61: ...d Functions Icon 2 Press the Vent Set Up icon and verify the Fio2 Monitor is Enabled Press the Exit icon 3 Press the FiO2 Mon Calibration Icon 4 Select the Start Ambient Calibration icon and verify the calibration has completed and is valid This calibration can take up to 3 5 minutes 5 Select the Start 100 Calibration icon and verify the calibration has completed and is valid 6 Press the Exit icon...

Страница 62: ...vered volume from ventilator with Peak Flow of 20 lpm Results must be within 10 of volume setting i e 500 ml 50 ml on both the calibrated flow volume analyzer and the Vti Monitored values window on the ventilator 5 Measure the delivered volume from ventilator with Peak Flow of 60 lpm Results must be the same as mentioned above on both the calibrated flow volume analyzer and the Vti Monitored value...

Страница 63: ...he Delivered Volume Test has been completed and the results are acceptable with tolerances provided 1 Ensure that a 50 PSIG Oxygen gas source is connected to the High Pressure inlet assembly on the rear of the VELA 2 Continue to operate ventilator with current settings from monitored volume tests Tee in a calibrated Oxygen analyzer 3 Select FiO2 monitor window on left side of screen to read monito...

Страница 64: ...lung on the VELA 4 Turn on power to the unit 5 Set the VELA to the settings shown above 6 Record the start time of the test 7 Unplug the vent from the AC source so the vent is now operating on battery 8 Verify the On Battery Power message is displayed on the alarm banner top right 9 Run the vent for one hour 10 If the vent does not run for an entire hour then turn the power switch off the test is ...

Страница 65: ...creens and return to the wave form screen In the area just above one of the wave forms that shows what the wave form represents you can touch this and a menu window will appear rotate the control knob until the Analog X that you set IB in is selected then press accept The wave form will now represent a battery capacity You can see this voltage by pressing the freeze button and the voltage value wi...

Страница 66: ...Step 9 Delivered Volume Test at 20 lpm 2 1 Step 10 Delivered Volume Test at 60 lpm 2 1 Step 11 Delivered Volume Test at 80 lpm 2 2 Monitored Volume Test Adjust Set Parameters for Monitored Test 2 2 Step 2 Monitored Volume Test Verification 2 3 FiO2 Performance Test Parameters for Fio2 monitoring test 2 3 Step 4 Monitored Value 21 setting 20 22 2 3 Step 4 Monitored Value 30 setting 27 33 2 3 Step 4...

Страница 67: ...7 8 Chapter 7 Operational Verification Procedure 33373 001 Version A This page intentionally left blank ...

Страница 68: ...aker and main PCB ensure proper connection Replace Alarm speaker Assy P N 16357 Leak Test fails 1 External circuit leaks wrinkled exhalation diaphragm valve body damaged 2 Pressure relief valve not set 3 Internal tubing leaking 4 Insp hold solenoid leaking 5 Anti suffocation check valve leaking or damaged 6 Manifold base o rings damaged or manifold cracked 1 Ensure circuit is a reusable permanent ...

Страница 69: ...kinked or damaged 6 Exhalation Flow Transducer has drifted over time 1 Check altitude setting and adjust to current location 2 Correct leaking Patient circuit 3 Replace Flow Sensor 4 Sensor receptacle o rings may be damaged inspect and replace as needed P N 30025 5 Inspect and correct tube routing or kinks causing restricted flow 6 Re calibrate Exhalation Flow Transducer 8 4 FiO2 Performance Test ...

Страница 70: ... not run on batteries for more than a short time 1 Batteries are not holding charge 2 Battery charge monitor lost its memory 1 Check batteries for capacity level Chapter 9 Q A 2 Reset Battery Charge Circuit See Chapter 7 Step 2 4 Ventilator DC status light shows green light when AC is disconnected it runs for short time but gets a Battery Low message and it can be cleared by pressing reset only to...

Страница 71: ...8 4 Chapter 8 Troubleshooting Codes Messages 33373 001 Version A This page intentionally left blank ...

Страница 72: ...determine if the batteries are good A Refer to the Battery Performance Test in chapter 7 Using the same set up as mentioned above with voltage meter probes connected to the back of the Molex connecter and ventilator connected to and running with a test lung connected Check the battery voltage during step 7 The voltage should decrease very slowly during this test If you detect a very rapid discharg...

Страница 73: ...data etc to create a firing order or algorithm for the blender solenoids to be able to maintain the accurate O2 concentrations When you set a FiO2 value on the front panel all of this goes into play The initial information from the FiO2 setting and variables mentioned above are taken into account after 90 seconds the processor compares the set value to the monitored value and if the input from the...

Страница 74: ...nd the hours of operation on this vent A Enter the Extended Functions screen and select the Date Time button You will find Turbine and Machine hours both listed Q Why do I have event messages in my event log stating INVALID SERIAL NUMBER A Due to the redesign of the main pcb from S N AHT07500 forward the S N is stored on the small peripheral pcb mounted on the rear panel When the battery tray is r...

Страница 75: ...9 4 Chapter 9 Frequently Asked Questions 33373 001 Version A This page intentionally left blank ...

Страница 76: ...halation diaphragm 10 2 3Cleaning Method for the Exhalation Valve Assembly Remove the Exhalation Valve Assembly for Cleaning 1 Press and hold the release latch on the lower left of the exhalation valve housing 2 Grasp the exhalation valve body rotate it counter clockwise until the alignment slots line up and then gently pull it free from the housing 3 Grasp the exhalation valve diaphragm by the ce...

Страница 77: ...ltrasonic cleaning is not recommended Liquid sterilizing agents containing more than 2 glutaraldehyde are also not recommended If such agents must be used be sure to thoroughly rinse and dry the assembly to prevent residue buildup Residue buildup in the differential pressure ports can cause inaccurate pressure and volume readings 6 Prior to replacing the exhalation valve diaphragm inspect it for e...

Страница 78: ... to an authorized Vyaire service technician The one year maintenance includes the following Placement of annual PM kit P N 11416 40 psi Blender Regulator And blender screws Replacement of the Oxygen Sensor P N 27750 001 or 27751 001 Kit P N 11416 consists of the Replacement of The Rear Air Inlet Filter The Oxygen Inlet Filter The Turbine Muffler Filter Cores and O rings The Fan Filter The Video 3 ...

Страница 79: ...10 4 Chapter 10 Maintenance and Cleaning 33373 001 Version A This page intentionally left blank ...

Страница 80: ...80 LPM Inlet Fitting inch tapered 11 2 Electrical Supply 11 2 1AC Power Supply The ventilator operates within specification when connected to the following AC power supplies Nominal Voltage Range Frequency Range 100 VAC 85 to 110 VAC 47 to 65 Hz 120 VAC 102 to 132 VAC 55 to 65 Hz 230 VAC 196 TO 253 VAC 47 to 65 Hz 240 VAC 204 TO 264 VAC 47 to 65 Hz 11 2 2DC Power Supply The ventilator can also ope...

Страница 81: ...mV Accuracy 50 mV or 5 of reading whichever is greater Zero Offset 1 5 VDC at 0 cmH2O 2 Flow Inspiratory Expiratory When selected the ventilator provides a continuous analog voltage representative of inspiratory flow minus expiratory flow Range 100 to 200 LPM Adult Scale Factor 1 LPM 10 mV Adult 1 LPM 25 mV Pediatric 1 LPM 50 mV Neonate Accuracy 10 of reading or 30 mV whichever is greater Zero Off...

Страница 82: ...ional port Do not make connection 11 3 4Printer The ventilator is constructed with a standard 25 pin female Centronics parallel printer port 11 3 5Remote Nurse Call The ventilator has a modular jack configured to 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 11 3 6Video Output The ventilator is constructed wi...

Страница 83: ...11 4 Chapter 11 Specifications 33373 001 Version A 11 5 Physical Dimensions 11 5 1Overall Size 13 W x 14 5 D x 12 H 11 5 2Weight 38 lbs ...

Страница 84: ...x 714 283 8471 After hours service Phone 800 231 2466 From within the U S only Fax 714 283 8473 or 714 283 8419 To obtain VELA Ventilator parts contact customer service at Hours 7 00 Am to 4 30 PM Pacific Time Monday through Friday Phone 800 328 4139 From within the U S only 714 283 2228 Fax 714 283 8473 or 714 283 8419 Online service for warranty replacements parts can be found at vyaire com Sele...

Страница 85: ...A 2 Appendix A Contact and Ordering Information 33373 001 Version A This page intentionally left blank ...

Страница 86: ...rked well but unfortunately certain components used on this PCB were no longer manufactured in a similar package and so we had to redesign the PCB completely During this time also other capabilities were required for the growth of the VELA Ventilator series and these new features were then introduced into the new design With the release of Cold Fire 2 there was a need to change the P N s of the Fr...

Страница 87: ...B 2 Appendix B Reordering Instructions 33373 001 Version A This page intentionally left blank ...

Страница 88: ...Appendix C Schematics Diagrams C 1 33373 001 Version A Appendix C Schematics Diagrams ...

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Страница 110: ...m 2 1 2 5 exhalation valve 10 1 10 2 exhalation valve assembly 3 8 F filters 1 2 flow delivery system 2 5 Flow Delivery System 2 1 flow sensor 10 1 10 2 front panel description VELA ColdFire 2 3 6 reorder instructions B 1 I inspiratory hold solenoid 5 11 inspiratory hold valve 2 2 L light emitting diodes 2 3 liquid crystal display 2 3 M main controller system 2 4 maintenance 10 3 maintenance sched...

Страница 111: ...2 Appendix D Index 33373 001 Version A T tools equipment 1 1 touch screen 2 3 turbine gas delivery system 2 1 U UIM 2 2 ...

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