- Frank`s Hospital Workshop
Contents
1. 5 6 39 alarm autocalibration This adjustment will be made automaticaly by software With the incubator connected to mains but with its thermal breaker down a jumper must be placed in the W800 postion on the contral board NOTE A grounded antistatic wristband connected to earth must be used Tum on the thermal breaker and press the silencing key for seconds and then simultaneously press the air mode key until an alarm beep sound is heard The incubator will enter an automatic mode in which the Overtemperature alarm will be adjusted both in override range and not override range Once this process is finished the electronic potentiometer value will be shown in the skin temperature control display The temperature value at which the alarm will activate in not override range will be shown in the air temperature display The electronic potentiometer value Skin control display should be ranged between 5 and 95 If this value is out of the mentioned range the incubators control board must be replaced as described in section 5 5 The overtemperature alarm value must be ranged between 37 6 C and 37 8 98 6 and 100 0 F IMPORTANT Remove the jumper from the control board 5 7 Screen board replacement Access the command module as described in section 52 Identity the Screen Board Disconn2. silences the sound alarm during 15 minutes A new alarm condition activates it again Alarms are silenced during 45 minutes when the incubator is powered on while the preset parameters are stabilized MODULE ALARMS SERVO HUMIDITY SERVO OXYGEN WEIGHING SCALE OPTIONAL MODULES NCA 102 SERVO OXYGEN Measurement range 18 100 Control range 21 80 Accuracy 3 O Supply Pressure 300 to 500 kPa normal 350kPa Oxygen Monit Measurement basis electrochemical Oxygen sensors R 17MED Range 0 100 Oz max 0 1 Oz min Accuracy within 1 at depth of scale with continuous temperature and pressure Response time lt 6 seconds at 90 from the final value Functioning Humidity 0 99 non condensing Functioning Temperature 0 40 C 32 104 F Expected service life 48 months on air at 25 C 77 F and 50 RH NCA 103 SERVO HUMIDITY Measurement range 20 100 Control range 40 85 Accuracy 7 NCA 105 ELECTRONIC WEIGHING SCALE Maximum weight admitted 8000 g 282 19 oz Reading steps 1 g 0 01 oz Accuracy 5 g 20 18 oz Internal Battery Pack control module Powers sound alarm in case of power supply failure and for parameters recording E NiMH 9 6V 650mAh Power Supply 230 V 50 60 Hz 120 V 50 60 Interchangeable skin temperature probes 0 1 Automatic Initialization 34 C 93 2 F for air temperature and 36 C 96 8 F for sk
3. es TM REM inci ER LAIT over me trecueney range 15014 a 0 MI ek ud be ess than 30 Recommended separation distances between portable and mobile RF communications equipment and the NATAL CARE ST The NATAL CARE ST is intended for use eleciromagnele environment in which radiated AF disturbances are controlled The customer or the user of the NATAL CARE ST can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile AF communications equipment transmitters and the NATAL CARE ST as recommended below according to the maximum output power of the communications equipment Separation distance according to frequency of transmitter Rated maximum output m power of transmitter OFZ T go Mhz to 800 MHz 800 MHz lo 25 GHz 248 124 ave 012 012 027 Dx 038 038 073 1 12 12 23 38 38 73 307 12 12 EJ Forvansmiers rated al maximum output power sted above tha recommended separator distance din meters m can be estimated using the equation applicable to frequency of the ransmitter where Pis the maximum output power rating of the transmiter in watts W according lo the transmiter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electrom
4. Power failure alarm 10 Al temperature at 32 C IT Skin mode 12 Override 137 T2 display 4 Sensor TET Ting mechanism 287 E Oxygen celis calibration 18 Tow water alarm 20 weighing scale Q1 5 Technical Check Tet Results Passed Overtempersture am Heater radiator ala row Power Failure Keyboard Environmental sensar Origen at 40 EI B Technical Check Cont Tet Result Safety test IEC UL 606011 Safety analyzer Brand serial Number Next calibration date Tet Results Pared around Rey cab Value a Earth leakage current max 500 Value Strenght Test ECU EEE No disruptive discharge Accessible parts 1200 VAC 1 sec For 120 VAC units 1760 VAC 1 sec for 230 VAC units Measurement uA 102 Due to MEDIX and commitment to continually improve products the manufacturer reserves the right to make changes without pror notice natus NatalCare Natus Medical Incorporated Corporate Headquarters 1801 Industrial Road San Carlos CA 94070 USA Phone 1 680 802 0400 1800 255 3901 Tol Free Fax 1 650 802 0401 medix a division of natus Marcos Sastre 1675 Talar Tigre B1618EWC Buenos Airas Argentina Tel 5
5. 5 SpO Module 5 Rao BCISpO Board 7 842016 Contro board 8 Razors Weighing Scale control Board RA512 Une Fiter 2 3 244529 Line Fiter T20VCA 38 Rii296 Batery pack 49702 Sale lock 467487 Power cord 220 Argentinean plug R46756_ Power cord 230 Australa 46752_ Cord 120 USA Hospital Grade Conector 946754 Power Cord 230 United Kingdom 1946753 Power cord 230 SCHUKO 46757 Universal power cord lor NGA T11 socket outlets 95 6 9 Servo humidity and servo oxygen Part m Description 1 R420131 Humid Oxygen Board T20VAC 1 RA20 8 Humidiy Oxygen Board Z30VAC 2 R amp 9580 Water level sensor 3 R25207 Water level detector dogs nat include lem 2 4 Rasas Humidity Heater Assy 120VAC 4 8454907 Humidity Heater Assy 230VAC 5 Drainage assy 219045 Drain knob 7 849679 Water niet valve assembly ncluyes tems and 91 18141_ Water net conector S 39243 Luer Lockihose adaptor 10 R252747 Boler assy 120VAC 10 R25274 Boller assy 230VAC Ti R181320 Servohumidiy hose assy Sel 10 Servohumiaty hose assy RT9048 O callration cap 13 18 56 Oxygen inlet hose 14 Humidity hose connector 18 Humidty sensor 44409 Thermal Protector 165 R43690_ Set o 2
6. 8108 Rubber cover Compensation sping 12 Rear column case 18 840779 Cri Position sensor 34 20207 12V Actuator 15 Raato Humidity output cap 36 23392 Front column case Unis without Servo Humidity module 36 R338923 Units with Servo Humidity modulo 871394 Four wheels wo lockable and two unlockable 38 234622 Anlstali lockable wheel 18 R1050 Roling base wheels we lockable and two unlockable 6 6 Hood Assy EN Description 7 Dios por sieeve 00 ncs par pack ire port cidem 2 San a Ferona i por gasket ART dor s La door ex W port a rese rivo 7 rene a mess Double wal supp asy uri a Bas hand pori sieve 10 pecos par pack 16 Rieisa door soy ou pon EI Ti RizH4 Pon Hinge 32 23485 Lateral hand door gasket T8 232835 Lateral door port 34 ICD right inge 38 A121386 ICD eit hinge 16 812147 Intensive Care Door Assy 16 832839 Intensive Care Door Acrylic oniy 3 Pert hinge assy 38 812146 Portlock Assy 19 Raesss Port acrylic 20 2468 gasket 2 R2122 ICD Latch 22 25267 Hood top 23 R221 Removable double hood top 24
7. 601 1 90 for instruments classilled as Class 1 and Type BF Technicians must be familar with these standards applicable to the institution and the country Test equipment and its application must comply withthe applicable standard Safety test according to IEC UL 60601 Tools Safety analyzer for tests according to IEC UL 60801 1 e g 601PROXL International Safety Analyzer BIO TEK VIN de erste ai ZN ies ie Ro caesar Sh wa es Sas ok ey fat omer ee ai corn The sensor is an applied part of Type BF The safety test is performed according to IEC UL 60601 1 The folowing connections must be tested while the Natal Care ST LX is switched on 5 Prolectve Earth Resistance lest Earth wire of the AC power cord equipotential terminal ground and heater Tho resistance between two of these must be less tan 02 0 Minimum current USA 1 A Europe 5 A Earth Leakage Current The current must bo below 500 It the above requirements are not fulfilled the Natal Care ST LX needs to be repaired Refer to troubleshooting specific section to further evaluate the problem Check the AC power cord for breaks or damages of the Isolation Check the connectors for damages The AC power cord must be tested when connected to the AC power outlet Thereby the cable must be swayed lo detect potential cable breaks or loose contacts The AC power cord must be tested together with the Ground Inte
8. Note To take out the mattress holder push the tray toward the back and gently lift it to unlock it from the lower tray guides Unscrew the four plastic nuts shown in tho following igure A needle nose pliers may help to unscrew the nuts Separate the mattress holdor from the weighing scale mechanism uncovering the four cells Unield the cell 1o be replaced from the and remove the corresponding cables looked below there are two black caps covering two screws that hold the call to the tray Remove these two black caps and using an 6 allen wrench unscrew the corresponding screws The wil now be frae Remove the two screws o separate the silent block which must bo used on the new cal Place the silent block with its corresponding screws on the coll careful not to lose any of the folowing parts which have to be reused with the new cel Mount the new cel in its place allowing the previous staps backwards NOTE Do not cut the cables uni hey have to be welded Take into account that the cell must have the legend and its serial number upwards Proceed to perform tho cells equalization procedure described in section 5 12 2 5 15 2 Cells equalization IMPORTANT To perform this procedure the mattress holder must be placed in horizontal plane Surface and must remain connected to the incubator At the bottom of he matress holder there are four ite holes aligned which must be accessible
9. release E 1 H E chassis and loose the allen screw to ies that i Irom he Removing and replacing tho temperature sensor 2 Replace the air temperature sensor for the now one and reassemble the unit 1 Disconnect 5 162 Air sensor calibration 1 First loose the allen fixation on the air temperature sensor to move up or down its position 2 Place a skin temperature probe at the center of the mattress at 10 cm height 3 on the incubator and set 34 C 93 2 F on air control mode A Atsteady air temperature 34 0 1 C 93 2 20 2 F connect the skin temperature probe to the incubator Skin Temp 1 The skin temperature reading should be 3410 0 3 C 932 205 5 I the skin temperature is out of this rango change the postion of the air temperature sensor up or down slightly and repeat the operation unti it is achieved 5 Set 36 C on air contol mode 7 steady air temperature 96 0 1 C 96 8 022 F the skin temperature reading should be 36 C 036 1968 40 6 8 Set 38 C on air contol mode 9 Alsleady air temperature 38 012 100 4 20 2 F the skin temperature reading should be 36 C 0340 100 4 20 5 10 Screw the allan of the ai temperature sensor o fi it to the incubator NOTE If meet points 7 and 9 it is absolutely necessary to modify the air temperature sensor position be advised that the previous veriications should be repeated unti the reading
10. 3 4 1 CONTROL SOFTWARE VERSION 2 SCREEN SOFTWARE VERSION 3 OPTIONAL MODULES SOFTWARE VERSIONS The incubator is functioning in AIR MODE with a preset control temperature at 34 C 23 Electromagnetic Compatibility Comments dance and mamulaclurers declaration electromagnallc emissions The NATAL CARE ST is intended for use in he electromagnetic environment specified Below The customer or the user of the NATAL CARE ST should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance Tre NATAL CARE ST uses RF energy only Tor RF emissions internal funcion Therefore ts RF emissions are CISPR 11 very low and are not likely to cause any interference in nearby electronic equipment RFemssons uS The NATAL CARE is suitable for use in all Harmonie amissione Gass astabishments other than domestie and those IEC 61000 32 directly connected to the publi low voltage power Voltage fluctuations 7 supply network that supplies buildings used for licker emissions Complies domestic purposes IEC 61000 3 3 BOT TE TTT Guidance and manufacturer s declaration electromagnet Immunity The NATAL CARE ST is intended for the use in the electromagnetic environment Below The customer or the user of the NATAL CARE ST should assure that tis used in such an
11. DESTILADA ESTERIL Evia pora pnp seleccione y abit trado con MAS INFORMACION ENEL MANUAL DE USO Y MATER SDE TKS LEAD ELO SVO NO CESCONECTARLA e C INCUBATOR MEANING OF SYMBOLS 1 oun 2 ARM SILENCE women Bee r mam ao ED n A RANGE 0 8000 9 RANGO 0 8000 9 BE l FASAL 260V MAX F3AL 250V 3 35VA natus DR34 natuss 23 2 2 natus Pact PROBE DRIO DRO 2 natuss DIR 36 DIR 06 PORT SLEEVESMANGAS PORTILLO IRIS PORT SLEEVESMANGHS PORTILLO IRS 2 M ned 2 FIC natuss 20103 matus meist d E 2 CES FUTRODE ARE AR PUTER CABE EL FLTRO CADA MESES FERACE TE PLTER EVERY AND Filler Fifto de Aire Equipment Identification REF NatalCare ST LX NEONATAL INCUBATOR suy 5 e Ea E q20V 50 60 2 12A CA NatalCare ST LX NW NEONATAL INCUBATOR MA 230V 5060 2 6A mec vec e seneco nan EAD ELEMA 1 INTRODUCTION The NATALCARE incubator is intended for use for newborn babies who require additional thermal and humidity support NATALCARE incubators can be used
12. Oxygen Sensors RI5108 Servo iet valve assy Asis Servo inet valve 97 7 SPARE PARTS AND TECHNICAL SERVICE REQUEST INSTRUCTIONS In order to avoid spare parts supply problems with our customers and dealers the three basic tems described below must be followed for thelr correct request Locate the equipment serial number on the respective metalic label B Locato the spare part requested in its respective group or any other sub group into wich this SPARE PARTS CATALOG is divided Ate tho part has been found on the parts list schematics wite down the respective tem number and 15 part number on the Ist of spare Check the number of pieces to be requested With the data above mentioned Serial Number lem number Part Number and Number of Pieces contact our factory or dealer APPENDIX 1 ELECTRICAL SAFETY CHECK The Natal Care ST LX has been developed to comply with the standards IECIUL 60601 1 and CANICSA C22 2 801 1 80 To ensure electrical safety of the equipment it is recommended that qualified service personnel performs the electrical safety check at regular Intervals atleast every 12 months or in accordance with the local and governmental regulations and after every repair procedure which involves the opening of he Natal Care ST LX housing The electrical salety tests or the Natal Care ST LX have lo be performed in accordance with the standards IEC UL 60601 1 and CAN CSA C22 2
13. RA012 Left rear hood support 26 824469 Sensor box for servo humdiy 25 arado Aight hood support 27 12126 Ariemperature probe 28 30032 handle 28 30033 Lett handle 36 32089 Tray guide pin 3 30600 Humidity hose housing 32 Main Base assy 33 12133 Sensor connection box Assy 34 824464 Senor box 34 9244692 Sensor box or servo Oxygen 35 A314011 Left hood support 36 2407 Tray lock pin 37 __ _ _ 5 38 25266 IV por 39 Reusable skin temperature probe 39 0930 Disposable skin temperature probe 12 pieces per pack DIR34 Skin probe protectors 120 pieces per pack A12134 Humidity sensor 92 6 7 Command module s Description reos Command Moa aris ors movemen haya er Fron case aa aa isa boar a rates LCD Sese 5 rate m Boara a rss Roar caso P rs pan eT A S ae Opa oar 6 8 Control module Ec Description 47258 120 ser ol fuses 1947259 230 set of fuses 245357 8 ohm 2 Switching power supply 3 947473 Thermal breaker 16A 3 Thermal breaker 10A 4 Raza Control board 120 4 Ra20262 Control board 230
14. case itis not necessary to use accessory to cover the sensors IT IS RECOMMENDED TO OPEN THE DOORS AND LET THE SENSORS STABILIZE WITH ENVIRONMENTS OXYGEN FOR AT LEAST 5 MINUTES BEFORE TRYING THIS CALIBRATION 5 203 replacement Disconnect the reinforced hose from the mining valve on theair fitr cover as shown below Disconnect the reinforced hose tram the oxygen valve assy and then remove the two screws release the oxygen valve assy from the crib base Unplug the oxygen valve cable irom the connector Reassomblo the system following the above described steps backwards 5 20 4 Filter replacement 2 4 Remove the assembled filer cover from the base of the bassinet by unscrewing the damping knobs in anticlockwise direction Separate the assembled filer cover from the hose of the noise absorption device with No 19 wrench Holding the chrome hose joint nipple with a fo 5 8 wrench unscrew the diffuser with parrot beak clamp Be careful to hold the nipple tightly to prevent it detaching from the base of the bassinet Separate the diffuser from the hose assembly of the noise absorption device Bo careful nat lose the closing disk which is inserted inside the nipple 5 E 2 Disassemble the O diiuser Ba careful nat to damage or lose any of the difuser pieces Replace the oxygen fiter and assemble the difluser again making sure that no pieces are missing Reassemble the
15. eleciramagnale Immunity The NATAL CARE ST is intended for the use in the electromagnetic environment speciied below Tha Customer or the user of the NATAL CARE ST should assure Ihat t is used in such an environment IEC 60601 test level Compliance Immunity i Electromagnetic environment guidance Potable and moble RF communications equipment should be used no clrser lo any part of the NATAL CARE ST including Cables thal the recommended separation distance calculated from the equuation aplicable to the frauency ofthe transmitter Recommended separation distance Conducted RE a veme 3 Vime 61000 4 6 150 KHz MHz 12 4P 80 MHz to 800 MHz Radiated RF avm 4 23VPB0O MHz 1o 25 GHz 6100043 80 MHz 102 5 GHz where Pis tha maximum output power rating ot the transmitter ln watts W according 10 the transmitter manufacturer and dis the recommended separation distance in meters Field strengths from fed RF transmis as determined by an electromagnetic sto survey should be less than the compliance level in each frequency range Interference may occur In ho vicinity ot equipment marked wh the following symbol 2 NOTE AT8U MHz and 800 MHz he higher Trequency range apples NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and rellectn Irom structures objects and people
16. four locks to remove the board Replace the Weighing Scale Board by the new one and fix it again engaging the locks Reconnect all the connectors and reassemble the control module 5 11 Humidity and oxygen board replacement Access the humidity and oxygen modules as described in section 5 3 Identify the Humidity and Oxygen Board Disconnect all the connectors and unscrew the four screws to remove the board Replace the Humidity and Oxygen Board by the new one and fix it again with the four fixing screws Reconnect all the connectors as indicated on the following image EXER 420 OEE 15 25 120 E OEE 5 12 Switching power supply replacement Access the control module as described in section 5 1 Identify the switching power supply Disconnect all the connectors the 12V power supply wirings from the connector the control source board power supply wiring from the connector and the SW source ground cable from the JP1 connector Unscrew the two screws to separate the board with the fixing elements Unscrew tho four screws to remove the board Replace the switching power supply by the new ono and reassemble the unit 5 13 Clock battery replacement Acces the command module as described in section 52 Identity the battery h
17. in neonatal and pediatric intensive care units Standard features of the intensive care incubator offers large displays of skin and air temperatures with their respective preset temperatures A graphic LCD screen allows users to select a configuration option menu and also to check the modular optional accessories servo humidity servo oxygen and weighing scale Two skin temperature probes can be used with twins or for the monitoring of core and peripheral temperature of a newborn for the early detection of thermal stress of the infant 1 1 Standard equipment NATAL CARE ST Lx INTENSIVE CARE INCUBATOR Includes mobile command module with LCD Liquid Crystal Display graphic screen air temperature sensor and two skin temperatures 1 and T2 Alarms Trend Plots Comfort Zone CZ Patient Identification Electronic Tiling Mechanism Double walled dome 4 access doors double walled foldable 180 2 intensive care and 2 auxliary lateral doors 5 oval ports on each intensive care door and one on the Fight auxiliary door 1 MAX IV port on the lett auxliary door IV ports Xray cassette tray two temperature probes reusable probe and one disposable probe Pack of 4 air fiters User manual Cabinet stand with 4 wheels 2 with brakes 1 2 Optional parts CATALOGUE DESCRIPTION NGA102 Oxygen servo control module NCA 102CI1 Oxygen servo control mo
18. while equalizing the cel Pull out the mattress holder rom the incubator and place itin a horizontal plane surface while stil connected lo incubator Make sure the four holes at the bottom are accessible in order o adjust the cols potentiometers With th incubator but with its thermal breaker on enter the technical service screen by pressing a 9 9 Once nt technical sevi screen press the scale oy EE canter of the screen there wil be number we counts 1 the potentiometers to its maximum value by turning them luly counterclockwise unti a lick sound is heared or 25 tums ate reached Potentiometers Upper view ofthe scale system 2 Place a 2kg known weight over ono of the four celis and write down the count number Place the weight in the other cols and compare the count values to determine the lower and higher count readings 3 incase EC weight diferent to 2kg select the corresponding value pressing tno key Place the weight over the lower count cell and turn clockwise the corresponding potentiometer to read 200 counts less than the original lower value Write down this new count value and place the weight over the other cells and adjust the potentiometers to achieve ths value 5 Continue to adjust each potentiometer until the count readings diller in less than 5 counts one of another Once completed the equalization a and 2Kg calibr
19. 00 Thermistors and EMI fler Regarding communication among modules and smart sensors the standard is used This solves the interconnection of dierent integrated elements very elfectvely with a simple two way bus It consists of 2 wires the data series SOA and the Clock series SCL and carries information between the devices connected to the Bus Each device is recognized by a single address microcontroller LCD driver memory interphase etc and can operate both as a transmissor or receiver depending on the function of the device 3 1 1 Power source power and power off system is used through a membrane key on the board with 7 segments and keys This is duo to the need to save incubator parameters in operation including all rend Charts In this system the control microcontroller is never turned even in case of power cul user intends to completely turn olf the incubator the user must press the key for 2 seconds and then cut the power unplug which disables the power supply including the battery The circuit is powered by an external 12 V DC external source This regulated by the 5 V and 3 A switching source for the digital circuits of the incubator The switching source has an additional inlet Tor the back up battery As long as the 12 V of the power ine are received he battery current will not circulate In the battery is being charged by a C 16 mA continuous current source T
20. 4 11 5354 3700 Fax 54 11 6354 3721 medx madix com Ww medix com ar natus newborn care 103
21. 6 3 Mattress tray with weighing scale tem A Description 3 NcA 26 Flexible holder for ventlaiorubings 2 13147 Mates 3 18056 Complementary Manress a 33890 Threaded stopper 5 63939 Plastic Nut 6 Rats94 AMP Plastic connector Male n weighing scale cable 941535 Plastic Conector Female n sensor box T Rao Equalizer Board a 49585 Load Gell 5 24870 Weighing scale lower plastic cover Weng Sate Pato asembir ncs 17 FIBOET Lower ay 12 21261 Xray chassis way 942018 _ Weighing Scale control Board 45387 _ Weighing scale wring a 6 4 Heater and motor en 07 Y ME INL 1 a nal aS s aor radar An OS say ORE 6 5 Lower cabinet Part Description 25788 Centering guide pate 2 Base frame 3 Cri base 4 R26044 base lock supplement 5 TRS Air fiter Pack of 4 unis 6 A113681 Arter cover Assy Includes ems 9 and 10 6 R113682 Air fiter cover Assy For units w O2 Servocontrol 7 827200 Oxygen fiter 2015 Rso 01 Oxygen valve connector unis without Oxygen module includes Sj 30
22. NatalCare ST LX Intensive Care Incubator TECHNICAL SERVICE MANUAL natus 5 NatalCare Natus Medical Incorporated Corporate Headquarters 1801 Industrial Road San Carlos 84070 USA Phone 1 650 802 0400 1 800 268 3901 Toll Free Fax 1 650 802 0401 ww natus com medix a division of natus Marcos Sastre 1675 El Talar Tigre BIS1SEWO Buenos Airas Argentina Tel 54 11 5354 3700 Fax 54 11 5954 3721 medx madixcom ar www medix com ar Cuanuary 2014 natus INTENSWEcARENCUBATOR NatalCare ST LX 230 V 50 60 He 120 V 50 60Hz A 30V rower 12A 120 CLASSIFICATION ACCORDING TO IEC 50601 171EC 60601 2 19 ELECTR PROTECTION css t PRESENCE IPXO m cer y EGUPMENT IS NOT SUITABLE FOR USE IN THE PRESENCE OF FLAMMABLE ANESTHETIC MIXTURES WITH AIR OXYGEN OR NITROUS OXIDE About This Manual The information contained in this document olfers the user proper and detailed information for installation use maintenance and how to request spare parts for this equipment This manual has been updated and its content is accurate as of the dato of publishing or revision Product specifications may change without prior notice AI product names and brand names in this document are trademarks or registered trademarks ol their respective holders Copyright 2012 Natus Medical Incorporated Al rights reserved No part of thi
23. PART LISTS AND SCHEMATICS Connection Diagram 4 Spare Parts 62 Mattress tray without weighing scale 63 Mattress tray with weighing scale 64 Healer and motor 65 Lower cabinet 66 Hood Assy 67 Command module 68 Control module 69 _ Servo humidity and servo oxygen 7 SPARE PARTS AND TECHNICAL SERVICE REQUEST INSTRUCTIONS98 APPENDIX 1 ELECTRICAL SAFETY CHECK 99 APPENDIX 2 NATAL CARE PERFORMANCE AND SAFETY CHECK REPORT Symbols The following table shows the symbols located on the equipment or in this manual and thelr meaning Intemational Electrical Symbols Symbol Description EP ib 6PoOePP c ON OFF CAUTION GENERAL WARNING SIGN GENERAL MANDATORY ACTION SIGN FOLLOW INSTRUCTIONS FOR USE WARNING DANGEROUS VOLTAGE PROTECTIVE EARTH HOT SURFACE BATTERY TYPE BF APPLIED PART ESD ELECTROSTATIC DISCHARGE SENSITIVITY OPERATING INSTRUCTIONS ALTERNATING CURRENT Storing and packing symbols Simbolo Description Ep je FRAGILE HANDLE WITH CARE THIS SIDE UP KEEP DRY TEMPERATURE LIMITATION 41C 40 F 43 C 110 F DO NOT HANG DO NOT TILT Warning labels fixed to the equipment ATENCION A9 CUANDO SUMINISTRE OXIGENO VERIFIQUE EL DE CONCENTRACION DE OXIGENO CON UN ANALIZADOR DE CONCENTRACION DE OXIGENO CAUTION WHEN OXYGEN IS SUPPLIED VEF RIY THE PERCENTAGE OF OXYGEN BY MEANS OF AN OXYGEN CONCENTRA
24. S 51 Accessing the control module Tum the incubator off and disconnect from mains 2 Use a grounded antistatic wristband to perform technical service procedures Remove the electronic cover lid next to the thermal breaker taking the indicated screws away as shown below Accessing the command module Tur the incubator off and disconnect it from mains Use a grounded antistatic wristband to perform technical service procedures Identify the command module remove the front panel taking the indicated screws away and disconnect all the connectors 5 3 Accessing the humidity and oxygen modules 1 Tum the incubator off and disconnect it from mains 2 Use a grounded antistatic wristband to perform technical service procedures lectronic cover lid next to the water inlet connector desconecting se and taking the indicated screws away 54 Lowering the crib base Tum the incubator off and disconnect it from mains Use a grounded antistatic wristband to perform technical service procedures Remove the four Allen screws that fix the crib base to the incubator disconnect the air fiter hose and remove the crib base lock supplement 4 screws with nul 5 5 Control board replacement 1 Access the control module as described in section 5 1 2 Identify the control board Disconnect the connectors and unscrew the four screws to remove the board
25. TION ANALYZER CUIDADO AO ADMINSTRAR OXG NO VERI IQUE O DE CONCENTRA O DE OXIG NIO UM ANALISADOR DE CONCENTRA O DE OXIG NIO AGREGADO DE OXIGENO OXYGEN ENRICHMENT CONCIEELSUMNSIRODEO M CONNECT THEO SUPPLY TO ALNIPLE DE ENTRADA LO THE INLET NIPPLE CAUDAL DE 05 05 FLOW APROX 02 415 min 3 5 bar 30 35 10 Its min 3 5 bar 65 70 ATENCION VERIFIQUE EL DE D CON UN ANALIZADOR DE CONCENTRACION DE AQ CAUTION VERIFY THE WITH AN OXYGEN CONCENTRATION ANALYZER SUPPLY 100 02 DURING 605 SUMINISTRAR O2 AL 1009 DURANTE 60s Continuous operation with Intermittent motor operation 0 7 min ON 30 min OFF 4 AVOID INGRESS OF CLEANING PRODUCTS CLEAN WITH ETHYL ALCOHOL EVITAR ENTRADA DE LIQUIDOS DE LIMPIEZA LIMPIAR UTILIZANDO ALCOHOL ETILICO WATER IN ENTRADA DE AGUA USE ONLY DISTILLED STERILE WATER UTILIZAR SOLO AGUA DESTILADA ESTERIL WATER DRAIN DRENAJE DE AGUA o gt PACK BATERIA RECHARGEABLE BATTERY NIMH AAA 9 6 V 650 mAh NIMH AAA 9 6 V 650 mAh RECAMBIAR LA BATERIAA CHANGE THE BATTERY INTERVALOS DE TIEMPO EVERY TWO YEARS NO MAYORES A 2 AROS ORLESS MODULE NCA 103 SERVOHUMIDITY USE ONLY DISTILLED STERILE WATER BAG On the main sereen select module wth MORE INFORMATION INTHE USER MANUAL MODULO NCA 103 SERVOHUMEDAD UTILIZAR SOLAMENTE DE AGUA
26. agnetic propagation is affected by absorption and refecton from structures objects and people a 3 FUNCTIONING DESCRIPTION The NATAL CARE neonatal intensive care incubator BASE version consists of three modules with iac communication Control Module Screen Module and 7 segments keyboard and Display Module The Control Module manages the general control ol the incubator including the heater power control and tha PID contro proportional Integrating and derivative the power on and power off functions of the incubator the thermistors the audio of the different alarms the bassinet movement and the engine The Sereen Module manages the graphical screen and the optical encoder The 7 segment display module manages the displays of 7 segments and keys EF ee gs E 3 1 module This is the main control circuit of the incubator which senses and controls the temperature the alarms audio power on and power of functions the independent protection and control circuit and the bassinet movement This module is divided ino areas based on their functionally Each area has Its own components which are in the sereen printing by thelr numbering Power source X500 MCU microcontroller x600 Power contro x700 Independent Aus x900 Temperature Measurement X10
27. and ha bottom Plug 2 ihe cells box to he incubator column with the plastic knobs Perform the oxygen calibration procedure described in secon 5 20 2 5 20 2 Cells calibration The O module must be TURNED OFF forthe oxygen cells calibration procedure Select with the OPTIONS SELECTION DIAL the CAL key on O screen Oxygen cells can be calibrated either 100 or 21 according to required reading accuracy 75 Cal same omo Select option CAL on the screen to begin the procedure itis completely automate Oxygen Cal mo gi sto sea wl om OR E Wo alarms sur matte sengor ie feelings Oxygen Thon press CAL Button Fs CALIBRATION 100 To increase the readings accuracy select calibrate al 100 whenever O percentage gt 40 Place the CALIBRATION accessory supplled with the equipment on the respective sensors Open the Os supply at 100 with ow flow 3ipm and let it stabilize for 60 seconds baforo beginning the procedure Once the operation is finshed a message of CALIBRATION SUCCESSFUL wil appear on screen or I not twill require repeating process To check calbration to main screen and verity 21 reading for environmental oxygen concentration CALIBRATION 21 This calibration can be made when O values used for the contro are lower than 40 in this
28. ation must be performed as described In section 5 133 515 3 Wih the incubator of but with its thermal breaker on enter the technical service screen by pressing the folowing combination of keys E Once in the technical service screen press the scale key Take out the mattoss and make sure there is nothing on the mattress tray which could alter the scale calibration At the center of the screen there wil be number we call counts Once the count reading is stable and ranged between 15000 and 20000 proceed to press the 70 000 Place 2kg known weight at the contar of he mattress holder and walt foc the count number to be stable Then press the E and wait tew seconds Take away the weight and ext the lechnical service screen In case of having a known weight diferent to 2kg select the corresponding value by pressing the key 5 16 Air sensor 5 16 1 Airsensor replacement Preparing the unit Acces the control module as described in section 5 1 Lower the cr base as described in section 54 Access the humidity and oxygen modules as described in section 53 tho humidity and or oxygen modules present disconnect the cables and remove the completo chassis 4 allen screws must be removed must also be removed In case it is installed take out the drawer and rews inside that hold the front lower cover and 4 screws at the top of the cover in order to
29. chanism Angle 15 Access Oval hand port automatic and noiseless 5 Iris port 2 optional MAX IV port 1 IV ports 8 Lateral doors 4 Oxygen enrichment capacity volume controlled 21 to 80 25 Maximum concentration lt lt 0 5 according to IEC60601 2 19 clause 105 1 Temperature controls Air 20 to 37 C 68 to 98 6 F 0 1 CPF up to 39 C 102 2 F with override key Skin 1 T1 341037 93 2 to 98 6 F 0 1 C F up to 38 C 100 4 F with override key Indicators Displays Skin temperature 1 control real temperature Resolution 0 1 Measurement range 10 to 45 50 to 113 F Accuracy 20 3 C 20 5 F Skin control temperature T1 Control range 34 to 37 93 2 to 98 6 with override up to 38 C 100 4 F Air temperature control real temperature Resolution 0 1 Measurement Range 10 to 45 C 50 to 113 F Accuracy 20 3 C 20 6 F Air control temperature 7 Control range 20 to 37 C 68 to 98 6 F with override up to 39 102 2 F Graphic Screen LCD Alarms visual and audible Alarm condition indicator Skin temperatures 1 C 2 F adjustable Air temperatures 1 C 3 C 2 F 5C adjustable Skin air sensor failure Air flow failure Electronic circuit failure Power supply failure Air overheating alarm with independent circuit Alarms test activates all the indicators Alarm reset
30. d movement sensors 3 1 4 Independent circuit The overheating circuit is an independent circuit that compares the air temperature with a reference level When this reference level is reached it shuts off the healer power source overriding the microcontroller When the equipment shows regular values again the microcontroler resumes contro It has a self calibration system that calibrates the independent circuit at 37 8 C 100 04 F in regular modo and 39 8 103 64 F in extended range The shut off threshold can be adjusted automatically through an electronic potentiometer regulated by the microcontroller A logic was designed for the relay to cut off afier the thyristors and to get activated before them every time to prevent excessive sparks An audio frequency is generated for the circuit failure alarm external watchdog since in that case the micro would not be able to control audio outlet There are safely mechanisms First a microcontroller intemal watchdog system that continuously veriles the normal software fow Second a system made up of a circuit that iS independent the microcontroler for the watchdog function which acts when the system cannot 3 1 5 Temperature measurement Temperature is measured with a voltage frequency converter to increase sensitity One of the most important requirements is electrical isolation between the patient sensor thermistor and the measurement circuit in case of a possible
31. dilferences of 20 3 0 0 6 F at the three test points 3410 36 C and 38 C 93 2 F 96 8F and 100 4 F aro met with the alr temperature probe located in ho same position 5 17 Heater replacement NOTE The equipment must bo off and cold in order to perform this procedure You may have to wait for 20 minutes unti the heater cools down before removing o prevent any burning Tur the incubator off and disconnect it mains Use a grounded antistatic wristband to perform technical sevice procedures Open the doors and remove the following Mattress holder Lower tray Heater compartment cover Heat sink Remove the heater that will be replaced by unscrewing the three screws of the base of the heater and disconnecting it from tho cable hamess Remove the silconiz joint and the screws from the heater to use them in the now heater Place the siiconized joint and the screws on the new heater Use Loctite 242 on the screws Place the siliconized joint and the heater on the base making sure that the threaded holes match their screws Adjust ihe screws and clean any Loctite excess Place the heat sink Turn on the equipment and make sure thal the heater warms up Reassemble Ine uni 5 18 Motor Uso a grounded antistatic wristband to technical service procedures 5 18 1 Checking motor speed The brushless direct current BLDC motor speed wil be measured Indirectly by reading the TACHO output frequency signal fro
32. dule without accessories NCA 1038 1 Humidity servo control module 120VAC NCA 103B 2 Humidiy servo control module 250VAG y Variable height adjustment system if 5 Integrated electronic weighing scale module 14 CATALOGUE DESCRIPTION NCA 106 Drawer mounted to the center NCA 106 1 Drawer mounted to the right NCA 106 2 Drawer mounted to the lett Nc amp 107 NCA 108 Monitor shelf maximum weight admitted 25 kg NGA108 Additional iris port for lateral ight door NCA 109 1 Additonal iis port for lateral left door NCA 110 Four Antistatic wheels NGA112 Short Pole for accessories NCATI3 Gel Matrass Type E Oxygen Cylinder Holder NCA 126 Flexible holder for ventilator tubing NCA 127 Water discharge tank sot for NCA 103 NGA128 Reusable water tank for NCA 103 NCA131 Column for accesories NCA 132 1 Auxiliary outputs 120VAC NGA 132 2 Auxilary outputs 230VAC NCA 137 Additional insert for drawer SME NCOT Resuscitation system 13 Accessories consumables and replacement parts CATALOGUE DESCRIPTION TR 69 Air fiter 4 pieces per pack 13142 Mattress without weighing scale module 13147 Mattress with weighing scale module 13156 Complementary mattress with weighing scale module 15 23464 Port gasket Iis port sleeves 100 p
33. e 321 Microcontroller 322 Graphical display controller 33 Keyboard and 7 segment display module 34 Technical service sereen 35 Eror codes PREVENTIVE MAINTENANCE 4 1 Technical service functional check procedure 42 _ Preventive maintenance 5 TECHNICAL SERVICE PROCEDURES 5 Accessing the control modulo 52 Accessing the command module 53 Accessing the humidity and oxygen modules 54 Lowering the orib base 55 Control board replacement 56 39 Calarm autocalibration 57 Sereen board replacement 5 Display board replacement SS LCD sereen replacement 5 10 Weighing scale board replacement 511 Humidity and oxygen board replacement 512 Switching power supply replacement 513 Clock battery replacement 5 14 Internal battery pack SESBRTSSRSIDSSBES SBSSETEPRTRDBDEBIRRUBRTODSS ISsssri 514 1 Check battery pack s 5 14 Ballery pack replacement s 515 Weighing scale se 5 18 1 Cells replacement se 5152 Cels equalization 59 5163 Scale calbraton 60 516 Air sensor 61 5161 Air sensor replacement 61 5162 Air sensor calbraton 65 5 17 Heater replacement 65 518 Motor 66 5 18 1 Checking motor speed 66 5182 _ Motor replacement 67 518 Seno umidiy system 70 5191 Water level sensor Healer and O ring replacement 70 5192 Cleaning 7 520 Sero oxygen 73 520 1 Cells replacement 73 5202 Celis calibration 75 5203 Valve replacement 7 5204 Filer replacement 78 5 21 Tiling mechanism molor replacement 80 6
34. e connected to JPS Vec In and the cable connected Air onthe BLDC control board Motor can now be extracted and replaced Screw the new motor to the base during this process the motor must be holded to avoid tho fall Reassemble the unit following the previous described steps backwards sure the fan wheel can turn freely 5 19 Servo humidity system 5 19 1 Water level sensor Heater and O ring replacement Access the humidity and oxygen modules as described in section 53 Disconnect the heaterthermal protector water level sensor and water valve cables from the humitidy oxygen board Unscrew the nut to remove the steam outst piece trom tho evaporator system Take out the O ring from it and replace for one when the evaporator system is installed again Remove the two Allen screws and take out below evaporator system from tho chassis as shown 70 the three screws indicated in the following figure and replace the water level sensor Water level sensor replacement D owing the above described stops backwards Heater replacement Unscrew the stainless steel pipe with the heater trom the evaporator Remove the healer by loosening the two allen screws on it and disconnecting the laslon terminals on the thermal 1 Install the new heater on the stainless steel pipe in the same position and connect the faston terminals on the thermal protector Scre
35. ect the connectors Unscrew the four screws to remove the board and the LCD Screen set and then unscrews the four screws to remove the Screen Board Replace the Screen Board by the new one Fix it again with the four fixing screws to the LCD Screen and then fx the set to the front cover with the four screws Reconnect all the connectors and reassemble the command module 58 Display board replacement Access the command module as described in section 52 Identity the Display Board Disconnect the connectors and unscrew the four screws to remove the Display board Replace the Display Board by the new one and it again with the four fixing screws to the ront cover Reconnect the connectors and reassemble the command module ane t 5 9 LCD screen replacement Access the command module as described in section 5 2 Identify the LCD Screen Disconnect all the connectors Unscrew the four screws to remove the Screen Board and the LCD Screen set and then unscrews the four screws to remove the LCD Screen Replace the LCD Screen by the new one Fix it again with the four fixing screws to the Screen Board and then fix the set to the fron cover with the four screws Reconnect all the connectors and reassemble the command module s 5 10 Weighing scale board replacement Access the control module as described in section 5 1 Identify the Weighing Scale Board Disconnect all the connectors and release the
36. grity If the above specifications are not met then the AC power cord needs to be replaced by a new AC power cor High potential test according to IEC UL 6060 Tools AC High potential tester e g CE Mulitestr from METREL PANE E ata ial EE li tg nh eb ve ioe t ae The sensor is an applied part ot Type The interlace ports of the Natal Caro ST LX m requirements as the sensor and are tested in an analogous manner The high potential test for accessible parts is performed with a voltage of 1760Vac during 1 second for units of 230 Vac and with a voltage of 1200 Vac for uni of 120 Vac between the folowing connections of the Natal Care ST LX High POTENTIAL TEST ACCESSIBLE PARTS AP CONNECTION 1 CONNECTION 2 PROTECTIVE PHASE CONNECTED TO EARTH 1 MEASUREMENT NEUTRAL OF THE AC POWER CORD ee M a disruptive discharge occurs refer to troubleshooting specific section to further evaluate the problem 100 APPENDIX 2 NATAL CARE PERFORMANCE AND SAFETY CHECK REPORT Product identification Natal Care ST LX S N Optional Modules Servo Oxygen Servo Humidity Weighing scale Organization name Face Service Rep Name Date Signature Operational Check Test tem in User Manual Results Fassed fiter Integrity 1 arm tes 16788 Visual inspection 5
37. he source continuously indicates the microcontroller i it ls being powered normally or through the battery 3 1 2 MCU Microcontroller The microcontroller is the of this board Itis an ATMEL Almega 64 8 51 AVR microcontroller with an RISC architecture and 128 Kb programmable flash memory 4 Kb of EEPROM 4 Kb of SRAM The general data and code are saved in the internal flash memory of the microcontroller while the EEPROM saves some of the reference values The control board uses the internal RAM memory of the 128 AT mega The 4 timers of tho micro are used it has an 8 bit timer forthe heater control PWM 16 bit timer for the audio outlet generation a 16 bit timer to capture the temperature measurement ceil frequency and an intemal timer io control ime settings It has an 95232 serial a programming and the graphical display modulo lt has a 16 MHz extemal crystal and 4 LEDS for intemal controls 3 1 3 Power control The power control complies with the standard for the physical separation of the power circus 220 and the control circuits 5 VCC Therefore interactions are oplocoupled or through relay It has two circuits ono with zero crossing thyristors for the heater power supply and another ane for the relay acting as a redundant shut off in casa of emergency There is an integrated TPICO1008B H bridge to manage the bassinet movement engine and connector for the optical centering an
38. ieces per pack Skin temperature probe reusable 25266 IV Ports 25270 MAX IV por DiR 30 Disposable skin temperature probe 12 pieces per pack Skin temperature probe cover 120 pieces por pack DIR 36 Oval hand port sleeves 100 pieces per pack 18130 Servo humidity hose set 18136 Oxygen supply hose set 43690 Set of 2 Oxygen Sensors R181300 Package of 10 humidity hoses 1 4 Technical and functional specifications 1 4 1 Essential performance The essential performance of an intensive environment for newborn during long term tea Infant Incubator is to keep an adequate thermal nt and assure isolation of the patent 1 4 2 Technical specifications TS NOTE ENVIRONMENTAL CONDITIONS RECOMMENDED FOR NORMAL FUNCTIONING TEMPERATURE 18 30 C 64 4 86 F BAROMETRIC PRESSURE 86 108 648 795mmbg RELATIVE HUMIDITY 5025 AIR SPEED 6 8 m min Dimensions Baby s compartment useful area Width 80cm 31 5in Height 40cm 187 in 16 Depth 48 cm1 189in External dimensions Height 135 531 in Width 105 cm 41 3 in Depth 60 23 6 in Variable height system incubator optional Mattress height range 30 cm 11 8 in Mattress area Width 24in Depth 40cm 157 in Access doors Front and back Width 283in Height 320m 126in Lateral doors Width 31om 122in Height 32cm 126in Gross weight Basic equipment 78 Kg 172 lb Electronic tilting me
39. in temperature Memory for control settings and operational mode Packing and Storing Medical equipment Fragile do not pile up Environmental Conditions keep in a dry place 1 4 3 Func Technical and operational specifications are referred to IEC 60601 2 19 standards Particular requirements for safety of baby incubators Warm up time 30 minutes Heating rate approx 10 C 50 F every 30 minutes Temperature variation 0 2 C 04 F Control temperature range SKIN MODE skin control 34 0 to 37 0 C 98 2 to 98 6 F with override key up 10380 C 100 4 F in 0 1 steps AIR MODE air control 20 0 to 37 0 C 68 to 98 6 F with override key up to 39 0 C 102 2 F in 0 1 steps 4 Temperature overshoot 0 3 C 0 6 F Temperature control System SKIN MODE Keeps a constant baby skin temperature according to the preset value indicated by the clinician SKIN TEMPERATURE CONTROL AIR MODE Keeps a constant air temperature inside the incubator according to the preset value indicated by the clinician AIR TEMPERATURE CONTROL AIR MODE TWIN temperature probes 1 and 2 are used as thermometers In case of having twins inside the incubator two skin AIR MODE THERMAL MONITORING Two skin temperature probes 1 and T2 are used to monitor the core and peripheral difference of the same infant 8 Correlation between the incubator temperature and the stabilized
40. indicated temperature lt 0 9 C 0 6 F 19 7 Correlation between the Skin control temperature and the indicated skin temperature lt 0 1 C 0 2 F Continuous autocalbration of the measurement electronic circuits Continuous circuit self check 10 Skin T1 and T2 temperature alarms activation range 1 C 2 F from skin control temperature factory default Skin T1 and T2 temperature alarms preset limits Low range 18C 0 5 C 20F 1 59F 1 High range 0 5 0 180 41 F 1 5 42 F TS NOTE Alarm limits can be changed on CONFIGURATION screen 11 Air temperature alarm activation range 10 3 C 2 5 F from air control temperature factory default After power on the unit this alarm mutes during 45 minutes to allow the incubator reach the stabilized temperature Air temperature alarm preset limits Low range 3 C 2550 28C 1 690 18C 0 5 80 F 4 57 4 0 F 3 5 F 3 0 2 8 F 2 0 F 1 5 F 1 0 F High range 3 C 2 58C 20 1 510 1 C 0 5 C 4 5 F 44 0 F 43 5 F 43 0 F 2 5 F 420 F 1 5 F 1 0 F 12 Air speed range over mattress 0 1 m sec 18 Air flow alarm activation time when a failure occurs 45 seconds 14 SKIN TEMPERATURE electronic thermometer resolution 0 1 15 AIR TEMPERATURE electronic thermometer resolution 0 1 16 Oxygen concentration flow controlled 4 Itsimin 3 5bar 30 25 10 lis mi
41. ive doors Open the double wall by moving the inner door to the right releasing it from the door retaining pins A enmon one doming ehed dere ei pee PLACING THE OVAL HAND PORT SLEEVES Unlatch the double wall to place the oval hand port sleeves The double dome is removed by first gently pressing from one end towards the center of the incubator for it to unlock Nomini siii e M rag gerere bred 1 8 X ray cassette tray The x ray cassette is fully integrated to the mattress holder base To access the tray open the front door and gently slide the tray out 1 9 Command module positioning Manual knob A enables to modify tho vertical position of the command module to give the user a better view angle Adjust the knob to fix the position Manual knob B enables to rotate the command module to the laterals E 2 UNPACKING AND ASSEMBLY 21 Assembly instructions When unpacking the equipment check that all pats are in good condition Otherwise contact your supplier or sales dealer to report any problems immediately The command module ls packed separately When taking tha equipment out of the boxe careful not to damage the surfaces Place the module on the Support and connect the communication cable to the back as shown in the pictures Clean the equipment according to the instructions described in section 7 of the reference manual Con
42. leakage current To meet this requirement the whole thermistor circuit operates with a totaly floating power supply and the UC interphase is optocoupled A specially designed DC DC converter is used to achieve the galvanic isolation of the power source Temperature is measured with two multiplexers by alternatively circulating a constant current through the 10 K and 5 K pattem resistances and the different thermislors 3 1 6 Audio This module uses an audio ampliier TPA701 and a digital potentiometer to regulate alarm module through the microcontroller thas 2 inlets a regular one and another one for the independent circuit in case of circuit failure 3 1 7 Thermistors The thermistors are placed at a certain physical distance from the control module and they are linked with a copper wire This means that possible electromagnetic interferences EMI must be considered because this long wire acts as an antenna with certain frequency omissions generating noise that causes unacceptable dispersion and error In measurement A set of special cols and capacitors where used to correct this acting over the possible regular and differential mode EMI 3 2 Screen module This board is basically in charge of the graphical display and the user interphase It consists of a microcontroller and a graphical display controller This is divided Int areas based on their functionality Each area has its own components which are identified i
43. m de BLOC control board Lower the crib base as described in section 5 4 An appropriate mulimeter in frequency mode or a frequencimeter must be connected to the test point 5 TPS and ground reference Ground GND is available on test point 7 on capacitor 614 lower pad as shown in the following figure GND TP7 GND Ci4 Test points and ground reference positions on BLDC control board The incubator must be powered ON and without alarms Read the frequency at least over ona minute very stabit The normal values and rangos are shown in the following table TFS frequency ao 19 BLDC Molar normal operating ranges The real frequency calculated by Fes 15 The BLDC motor is considered under specifications t fulfils these requirements 5 18 2 Motor replacement Lower the crib base as described in section 54 As showed below the motors located under the mattress holder and the metal cover plate he equipment has a weighing scale first step is o disconnect i the incubator Aller that the mattress holder must be removed Metalic plate wil be accessible and it must be removed also Inside the hole of the base appears the fan wheel it must be extracted by puling it up The four screws that fix the motor must be unscrewed motor must be holded during this process to avoid the fal of the uni Disconnect the cabl
44. n 3 5bar 65 70 17 Humidity Measurement range 20 100 range 40 95 5 steps of 1 18 CO maximum concentration lt lt 0 5 according to IEC60601 clause 105 1 19 Maximum inner noise level in normal use conditions lt 50 dBa 19 standard 20 Maximum inner noise level during alarm activation lt 80 dBa 21 Maximum noise level at 3 meters from the incubator during alarm activation gt 65 Ba 22 Maximum weight suggested for shelves and trays 25 Kg 55 lb 23 Air fiter Filters particles bigger than 0 3 microns 24 Oxygen filter Filters particles bigger then 0 5 microns AN icine i a sain 4 ol RO ti tl e na Wade I 4 pie dum alg uy su ot be ak Pena abou rt bed itr ha Aoi xv 1 5 Access Four intensive care doors foldable 180 with double locking mechanism Five automatic hand ports MAX IV port Eight IV ports 1 5 1 Access through automatic hand ports The hood has five automatic hand ports used for routine procedures with the infant To avoid your hand contamination open the hand ports pressing the latch with your elbow D cation Ke nes FRA e Figure 1 Automatic hand ports ZA Gs hacer nin ssn whe ner ck i VAS asia Di pa E ka he i ale 1 6 Double wall 1 7 Double Dome The double wall is incorporated in the and back intens
45. n the screen printing by their numbering MCU Microcontroller x200 Lco xao 3 2 1 Microcontroller This PCB contains an ATMEL Atmega 128 microcontroller and the additional 32 Kb external RAM main function is to handle the LCD graphical display and intercommunication with users It also contains a display controller 3 2 2 Graphical display controller The display controller used is RAIO which stores text data character codes and graphs in bit maps in an extemal memory buffer functions include transferring data from the control microprocessor to the memory bufer reading memory dala converting data to display pixels and generating time signals for the LCD panel memory butler It also has intemal character generator wih 160 5 x 7 pixel characters in an internal ROM 3 3 Keyboard and 7 segment display module This board contains the 7 segments that are located beside the graphical display screen It controls 14 high luminosity 508 11 and SC39 11 displays and it reads the keys pressed on the keyboard This module communicates with the control module through 2 3 4 Technical service screen Wilh the incubator of connected to mains and with its thermal breaker on verity the green LED on the ON OFF key is it on O E di ABA wi be heard and you vil be dro th Tet Sur Sereen tho alr temperature display the control sofware version wil be shawn The screen shows inte
46. nect the power supply cable and the temperature probes according to the instructions described in section 4 ol the reference manual NOTE once the equipment is unpacked it must be plugged in at least 16 hours to ensure the charge of the internal batteries 2 sama ha pvr mu osant la maca grade pom ot The room temperature where tha equipment wil function must be between 18C and 30 C 644 and BEF LY ade ZN sn ating mattress protecting plastic cover Tomia eres when tica do era ol he ZAN cc orcas clan nest speci precautions EMC an nie ek ln Sti na 22 Starting software versions Connect the equipment to 230 120V grounded socket Check that the thermal breaker located at the bottom and lateral part of the support is on n led shall light up and a beep sounds when the control module receives power midi Upper digital displays will light up and the control software version is immediately indicated al the top part Then a seli check routine runs automatically showing on the screen the optional modules incorporated and their current software versions On the lower part ot the screen itis shown the software version of the respective screen 1 gt
47. nent Complanos environment may est ievel E be wood conca Excrosaso or sarama for are ischame Eso 7 SY contact gines orar wm snot materal Earl ne rete humidi shout be at pei ic tor power supply power supply ines Mains power quay should be rarest Inar ola typical commercial or fecero00 e4 w 1 kv iorinpuvouiput rosptalemionment ines m to trots inae power quay should be matar commercial nts o arta 28 of to Fest ermronment SSO po GUA TTT dps short Sa dip in Un Toate dip in U ota pica commercial or ras eye eyele hosptal envronment 1 he usr ee vat ta NATAL CARE ST requ operation during power 60 pin Un 0 in Uy mas tis HEC 61000 4 11 ior 5 cycies for 5 cycles recommended that the NATAL CARE powered Tom an m uninterruptible power supply or a 20 dp in Un Banery for 25 cycles bes pin U E aipin un r sec Power TET OT TOS Poner shouldbe at levels Jaam ofa typical location in typical fragnata naia commercial or hospital NOTE Uri the ac mains volage prior 1o application of he Tas level EZET danes and manuTaclurer declaration
48. older 87200 in the screen board and remove it Replace the battery by the new Type CR2032 with UL certification and reassemble 5 14 Internal battery pack 5 14 1 Check battery pack on the equipment change the default set point of air temperature and verity the operation of the battery by turning off the thermal circuit breaker The power supply failure alarm must turn Turn on the thermal circuit breaker and check that the equipment maintains the previously selected set air temperature value If the test does not work leave the incubator on for about an hour to get a minimum charge on the battery pack and repeat the test 5 14 2 Battery pack replacement Access the control module as described in section 5 1 Identity the battery pack Disconnect the battery connector 81500 from the control board Cut the ties of the wiring and the battery pack Remove the battery pack 57 Place the new battery pack removing the double sided tape protection to attach it to the frame Press firmly on the battery pack to achieve good adherence and place the ties on the wiring again Connect the battery pack to the 500 connector on the control board Check the battery pack as described in section 5 14 1 and the proceed to reassemble the unit 5 15 Weighing scale 5 15 1 Cells replacement Disconnect the weighing scale cable Irom the sensor box Pull out the mattress tram the Incubator
49. ring key Environmental temperature alarms volume and clock Enter the T2 screen and verify the environmental temperature is displayed Enter the configuration screen and modify the alarm s volume Verify it by pressing the ALARM TEST key a Enter the configuration screen and change the date and time off completely the incubator including the thermal breaker Wait 1 minute and then turn it on Verify the date and time was maintained Accessories Check the optional ift functioning by increasing and decreasing the incubator s height Perform oxygen 21 calibration 40 Oxygen concentration Set the oxygen concentration in 40 Once the system is stable verify the measured oxygen concentration is ranged between 38 and 42 Weighing scale Using a known weight verify the scale weighs 5gr 0 1802 If the measured weight is not within this range calibrate the weighing scale as described in section 5 13 3 and repeat the procedure making sure the mattress tray is properly placed not touching the doors or double wall Humidity system Set the incubator in 36 0 C 96 8 F functioning in air mode Connect the water supply Tum on the system and set the humidity in 80 After two hours once the system is stable verify the measured humidity is ranged between 77 and 83 42 Preventive maintenance plan Loy Bey When Between Evene Once Required su necessar
50. rnal software information reserved tothe manulacturer Scale Exit Technical Servico Sereen 3 5 Error codes ERROO Relerence resistor error 25 0 C 77 F 10K out of nominal value ERROO2 Relerence resistor error 41 6 C 107 F 5K out of nominal value ERROOS Flash checking error ERROO4 Ram checking error 5 Keyboard error ERROOG Relerence resistor error 25 0 C 77 F 10K short circuit 7 Relerence resistor error 25 0 C 77 F 10K open Relerence resistor error 41 6 C 107 F 5K short ERROOS Relerence resistor eror 41 6 C 107 F 5K open Digits fron board error ERROT Screen board error ERAQ 2 Calibration err When the equipment is powered it performs a sell check function where verles the keyboard condition If there is any key with a shortcut an error message will appear on the 7 segment display to show error 5 and 5 bip sounds wil bo produced Then It wil be turned on regularly but any key with a shortcut wil be disabled The other error messages arse a continuous sell check based on the folowing characteristics 7 segment board error no error message is shown but 10 bip sounds are produced LCD module error the 11 error message is shown on the 7 segment display and 11 bip sounds are produced 4 PREVENTIVE MAINTENANCE 4 1 Technical service functional check procedure It is suggested to make
51. s document may be photocopied or reproduced without the prior writen consent of Natus Medical Incorporated Technical Assistance During the warranty period MEDIX LC S A equipment repair must be performed by trained personnel either at the hospital or at an authorized service center the equipment needs repairing contact your local dealer MEDIX LC S A Technical Department Natus Service Before please have model and serial numbers at hand If shipping is necessary pack the equipment and all is Accessories carefully in order to avoid damage during transportation UL Mark ote MEDICAL EQUIPMENT WITH RESPECT ELECTRICAL SHOCK FIRE N us e ACNE IN a RE Applicable only for 120v TABLE OF CONTENTS 1 INTRODUCTION 11 Standard equipmeni 12 Optional parts 13 1 Accessories consumables and replacement paris 4 Technical and functional specifications 14 Essential performance 142 Technical specications 143 Functioning 18 Access 151 Access ivough automatic hand ports 18 Double wall 17 Double Dome 18 Xray cassette tray 18 Command module posiloning 2 UNPACKING AND ASSEMBLY 2 Assembly instructions 22 Staring up software versions 23 Elecremagneti Compatibilty Comments FUNCTIONING DESCRIPTION 3 1 Control module 314 Power source 342 MCU Microcontroller 313 Power control 3 14 Independent circuit 315 Temperature measurement 318 Audi 317 32 Sereen modul
52. the following check at least once a year or after any equipment repair Overtemperature alarm adjustment CN With the incubator of to mans and breaker on press x fr seconds and then ui an alarm beep sound is oad inte Sun con under CAL very ranged between 5 and 5 Tins vaue rad rng Feed Donar Heater radiator lack alarm Tum off the incubator and take out the mattress tray lower tray and spiral cover assy to access the heater Take out the heater radiator and turn on the incubator Verily the corresponding alarm activates immediately Place the heater radiator in place Air flow With the incubator off take out the fan wheel on the device and verity that within 30 seconds the air flow alarm activates Energy failure alarm and memory in energy failure With the equipment functioning in skin mode tum off the thermal breaker and verity the energy failure alarm activates visual and audible alarm Tum on the thermal breaker and verity that the control temperature and functioning mode were maintained in their previously selected values Keyboard and alarm test Press ALARM TEST and verity all LEDs turn on the general alarm indicator flashes and audible alarm sounds Tilting mechanism Press the corresponding key and move the bassinet to one side Then proceed to autocentrate it Move it to the other side and then press the autocente
53. unit following the previous described steps backwards 5 21 Tilting mechanism motor replacement Preparing the unit 1 Access the control module as described in section 5 1 2 Access the humidity and oxygen modulos as described in section 5 3 3 Lower the crib base as described in section 54 4 Take out the humidity system as described below 5 The drane accsory mun also be removed n case i lad trst take out the drawer and remove the e Remove 2 sereus that hod he iront lower cover and 4 screws at the top of the cover and Removing and replacing the motor thal secure the motor s support at both ends then remove the 9 Replace the motor and reassemble the unit NOTE Aner performing the Technical Service Procedures please remember to complete the Performance and Safety Check Report that is in Appendix 2 6 PART LISTS AND SCHEMATICS 6 1 Connection Diagram amp Spare Parts 6 2 Mattress tray without weighing scale O gt lt gt LS gt Tem Part Number Description 2 Flexible holder for ventilator tubings 2 T3142 Matress 3 2225 Matressvay 4 Threaded stopper 5 Lower tray g 21261 pray chassis vay
54. w the healer to the evaporator using Loctite 242 to assure complete seal Reassemblo the system following the above described steps backwards 5 19 2 Cleaning Acces the humidity and oxygen modules as described in section 5 3 Follow the steps in section 5 19 1 to remove the healer and stainless steel pipe Wash them with brush and disinfectant and then rinse them with abundant water Check the water hose to evaluate replacement 5 20 Servo oxygen system 5 20 1 Cells replacement NOTE During the calibration procedure the defective number is indicated on the screen The upper cell is the number 1 and the lower cell is the number 2 NOTE It is not necessary to tum ofthe equipment to change the cel NOTE Use an antistatic wristband when performing this procedure Open the incubator doors and loosen the cells box by unscrewing the plastic knobs in order to remove it from the column Once cells box has been loosened disconnect he from Plug 1 and 2 Disassemble the box by loosening the cells unscrewing the threaded rings in anticlockwise direction Gel the new cells out of their packs Discard al he accessories inside the pack including the O ring that is delivered withthe cells Only the cells must be used Reassemble the cells box by screwing the new calls with the threaded rings Respect the position of the calls box as shown in the folowing figure Connect the top cell to Plug 1
55. y Patients M 2 months a year 2009 personnel Observations x N User Manual TEES x w ace aa becomes Tis por saves x N Disposable Por leaves X N Disposable Reusable skin User Manual Chap 8 1 temperature probe User Manual Chap 7 74 N User Manual Chap 722 Humidity hose X N User Manual Chap 3 Technical Service Manual Battery pack Chap 5 514 Tock batery Technical Service Manual replacement Chap 5 513 TENGE BT Biomedical Technician DP Distributor Partner When Between PROCEDURES Pan OY el Cientos Tenia 7 x x MITES ZE Tea See check procedure 5 ud Chap 4 4 1 Sy gr Ten Tea Secs ut Check batan pack eso Servohumidily module CEEI Technica Sens Manual exar system x Orge eT SST x p Chap 5 5 19 1 End x water tank with eaten th cap x Chap 02 Poso seston possem xT I Or sensor calibration T I I According o Hospi procera N Nurse BT Biomedical Technician DP Distributor Partner NOTE Aer performing tho Preventive Maintenance Pian please rom Performance and Safety Check Report iatis in Appendix 2 mber to complete the ES 5 TECHNICAL SERVICE PROCEDURE
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