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REMstar LX and REMstar Plus LX CPAP Systems Service Manual
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1. 7 1 Overview U S and Canada Phone 1 800 669 9234 Figure 7 1 lists the names and identifies the locations of the replaceable components in the REMstar LX and REMstar Plus LX CPAP Fax Available from your nearest CSC Systems REMstar LX and REMstar Plus LX The illustrations provide a quick reference and overview of the units Within each replacement International section more detailed support information is provided to illustrate the exact component location and replacement procedure s Phone 1 412 731 2100 Fax 1 412 473 5012 Visit Respironics Home Page on the World Wide Web at www respironics com 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 3 RESPIRONICS Chapter 7 Repair amp Replacement 7 1 1 REMstar LX and REMstar Plus LX CPAP Systems Exploded View Not Shown AC Power Cord Bottom Strip DC Power Cord Filter Cap Fuse Drawer Fuses Pollen Filter Ultra fine Filter NOTE The time meter is available with the REMstar Plus LX only E Key Pad sa Top Enclosure Main PCA Blower Assembly Outlet Port Power Supply PCA Mounting Plate Enclosure Insert Bottom Enclosure Figure 7 1 REMstar LX and REMstar Plus LX CPAP Systems Exploded View 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 4 Chapter 7 Repair amp Replacement RESPIRONICS 7 2 REMstar LX and REMstar Plus LX CPAP Systems Repair Kits Replacement Part Repl
2. 5000 ft 763 1524 m High greater than 5 000 ft RAMP SETTINGS Ramp Time ici cai 5 45 minutes Adjustable in 5 minute increments TIME METER REMSTAR PLUS LX ONLY Time Meter LCD Total Operation Time re Ncs Chapter 3 Specifications Features Description and Theory of Operation Specifications Continued PRESSURE AC Operation cocoocononcnnannnnnnnonnnnnonanecncnncnonos 4 0 20 0 cm H O DCOperati urosis 4 0 20 0 cm H O CPAP Mode sssini 4 0 20 0 cm H O Resplgpon ssiciscsciseses eesedieeites cczecsibizsossescians 0 5 cm H O ACCULACY A sess soessseseese 1 3 cm H O or 15 of the indicated control setting which ever is greater This tolerance assumes system setup similar to maximum pressure test Setting Stability 00 eeeeeeeeeteeeeeees 1 0 cm HO over 8 hours 3 3 System Features AC Power Connector c ccccnococnccnnooncnnononannnos Air Outlet Port ooooonccinnnooncoonconnconccononnnono Blower On Off Button 00 0 0 DC Power Connector ccccnooccccnnooonnnnnnonnnos Filter Cap amp Filters eeeeeeeeee Connect the AC power cord here Connect the flexible tubing here This button turns the blower either on or off Optional DC power connection The pollen filter screens out normal household dust and pollens This must be in place at all times when the units are operating An optional ultra fine filter is also included for more complete filtration of very fine
3. Humidifier 0 14 0 40 24 in Reusable Tubing used with humidifier 0 03 0 10 18 in Disposable Tubing used with humidifier 0 00 0 00 18 in Reusable Tubing used with humidifier 0 00 0 10 King Bacteria Filter disposable 0 74 1 65 Comfort Flap Mask Accessory reusable 0 00 0 00 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 7 RESPIR NICS Chapter 4 System Setup Procedures Recommended Alternate and Optional Circuit Accessories Continued The following graph provides the exhaust flow characteristics of the WARNING Appropriate diagnostic pressures must be determined exhalation port accessories that can be used with the REMstar LX and when alternate or optional accessories are in place REMstar Plus LX Systems This information may help assess the CO Respironics reusable circuit accessories are washable rebreathing potential of various circuit configurations at different applied but are for single patient use only They are not pressures intended to be used on multiple patients pitt pe an 4 3 3 DC Power Accessories 45 The Respironics DC Power Cord RI P N 1000815 can be used to operate the REMstar LX and REMstar Plus LX Systems in a stationary recre ational vehicle boat truck or motor home 40 35 The Respironics DC Battery Adapter Cable RI P N 532209 when used with the Respironics DC Power Cord enables the REMstar LX and REMstar Plus LX Systems to be operated from a 12 VDC fre
4. REMstar Lx REMstar Plus LX Service Manual RESPIRONICS RESPIRONICS REMstar LX and REMstar Plus LX CPAP Systems are the subject of U S patent 5239995 and other pending U S and foreign patents Great Performers REMstar LX and REMstar Plus LX are trademarks of Respironics Inc Copyright O 1999 Respironics Inc All rights reserved REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Limited Warranty Respironics warrants that the REMstar LX and REMstar Plus LX CPAP Systems shall be free from defects of workmanship and materials and will perform in accordance with the product specifications for a period of one year from the date of sale by Respironics If the product fails to perform in accordance with the product specifications Respironics will repair or replace at its option the defective material or part Respironics will pay customary freight charges from Respironics to the dealer location only This warranty does not cover damage caused by accident misuse abuse alteration and other defects not related to materials or workmanship Respironics disclaims all liability for economic loss loss of profits overhead or consequential damages which may be claimed to arise from any sale or use of this product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclu sion may not apply to you This warranty is given in lieu of al
5. and bottom strip Warning Label 8 11 x 3 4 screw x3 Procedure Removed Installed During Process e Bottom enclosure Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to the devices CAUTION Electronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in an antistatic ESD protected environment Bottom Enclosure 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 14 A Chapter 7 Repair amp Replacement Bottom Enclosure Replacement Continued Bei Step 1 Removing the Bottom Enclosure ei AS a Place the unit upside down on a protected work surface b Using a Phillips screwdriver remove the three screws that secure the bottom enclosure to the top enclosure c Lift the bottom enclosure from the rest of the unit d Carefully and away from the unit turn the bottom enclosure over and remove the screws Step 2 Installing the Bottom Enclosure a Align and place the bottom enclosure onto the enclosure insert Ensure that the outlet port is properly seated in the bottom enclosure b Install and secure the three screws c Return unit to upright position Figure 7 4 Removing the Bottom Enclosure Screws 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 15 RESPIR NICS Chapter 7 Repair amp Replacement
6. 7 4 3 Top Enclosure Replacement Replacement Part Number 1000829 Included in Kit Tools Required Top enclosure Phillips screwdriver medium 8 11 x 3 4 screw x3 Tinnerman fastener x2 Procedure Removed Installed During Process e Top enclosure e Main PCA e Key pad WARNING Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to the devices CAUTION Electronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in Top Enclosure an antistatic ESD protected environment 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 16 A Chapter 7 Repair amp Replacement Top Enclosure Replacement Continued D OQ Step 1 Removing the Top Enclosure Qa S a Place the unit on a protected work surface and carefully turn it over exposing the bottom b Using a Phillips screwdriver remove the three screws that secure the top enclosure to the bottom enclosure c While securely holding the top and the bottom enclosure together carefully return the unit to its upright position d Partially separate the top enclosure from the bottom enclosure The top enclosure is still connected to the unit via the blower cable and the power supply PCA cable These will be removed during the following steps e Lift the top enclosure and hold it slightly above the unit to prov
7. Features Description and Theory of Operation 3 1 SN DR e 3 3 3 2 Specifications cera 3 4 3 3 System Features ran 3 6 3 4 Functional Description cooocccnninccccnnnonccnnnnnss 3 7 3 5 Theory of Operation sesaiacsscreseaseenadeceqnaaztacess 3 9 3 5 1 Key Pad amp Time Mela 3 9 3 5 2 Main Printed Circuit Assembly M n PCA ennccrerserg inin Rn 3 9 3 5 3 Power Supply Printed Circuit Assembly Power Supply PCA oooooccconcc 3 9 3 6 Block Diagram ege erger eege 3 10 REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Table of Contents Table of Contents Continued Chapter 4 System Setup Procedures cccoooooccncconoonoso 4 1 4 1 NOVELVICW aan 4 3 4 2 A 4 3 4 2 1 Self Diagnostic Test scsssscsccseaccesscesssenceesscceees 4 4 4 2 2 Setting the Altitude cscccccssesecsseassesscesseccedes 4 4 4 2 3 Setting the Ramp separar 4 5 4 2 4 Setting the Pressure cc sscccessccsscescessscaeses 4 5 4 3 Required Alternate and Optional Circuit Accessories e evet egkrZegebreuNe rage 4 6 4 3 1 Required Accessories ooococcocccononcccnnoncnnonnnnnns 4 6 4 3 2 Alternate and Optional Circuit o A a EAS 4 7 4 3 3 DC Power Accessories ue 4 8 4 3 4 Adding a Humidifier eee eeeeeeee eres 4 9 4 3 5 Adding Oxygen to the System 4 9 Chapter 5 Routine Maintenance 00000 5 1 JA MOVIE cota 5 3 5 2 Cleaning the System EN 5 3 1001417 5 3 Recording the Total Operating Time REMstar
8. REMstar Plus LX only Replace pollen filter Section 5 4 1 Clean every 2 weeks or as required Change every 6 months or as required Replace ultra fine filter Section 5 4 1 Replace after 30 nights of if used use sooner if it appears dirty Perform Testing Process Section 8 1 After service is performed Cleaning Section 5 2 As required Tested by Signature in ink Date 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 5 6 nos Chapter o Troubleshooting and Diagnostics BCL OVErVIEW ia 6 3 6 2 Troubleshooting Flow Chart ocnoncccnnnnnc 6 4 6 3 Troubleshooting Table 6 5 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual Chapter 6 Troubleshooting and Diagnostics 6 1 Chapter 6 Troubleshooting and Diagnostics RESPIRONICS This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 2 Chapter 6 Troubleshooting and Diagnostics RESPIRONICS Chapter 6 Troubleshooting and Diagnostics 6 1 Overview WARNING Electrical Shock Hazard Disconnect the elec trical supply before repairing the units CAUTION Electronic components used in these units are subject to damage by static electricity Use proper static discharge equipment and grounding precautions when servicing the equipment Service only at a static free workstation This section contains information nece
9. e Bottom strip Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to the devices CAUTION FElectronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in an antistatic ESD protected environment Bottom Strip 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 12 Chapter 7 Repair amp Replacement RESPIRONICS Bottom Strip Replacement Continued Step 1 Removing the Bottom Strip a Place the unit on a protected work surface and carefully turn it over exposing the bottom b Starting at one end peel the bottom strip from the bottom enclosure c Use a cleaning cloth with a small amount of isopropyl alcohol to remove any adhesive residue remaining on the bottom enclosure Step 2 Installing the Bottom Strip a Remove the protective backing from the bottom strip b Align the bottom strip with the rib on the bottom enclosure c Starting at one end set the bottom strip in place d Press the bottom strip firmly in place e Carefully return the unit to the upright position 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 13 KON Chapter 7 Repair amp Replacement 7 4 2 Bottom Enclosure Replacement Replacement Part Number 1000828 Included in Kit Tools Required Bottom enclosure w foam baffle Phillips screwdriver medium
10. me a arr y S bal ap AO VEC VSS Zen 30K uao a Sa wt PICTECERT O4 2 Kg E S Sc o 3 CHD 5 Ma scl eerie z t e B divss svaj B a E o se E ms 5VREF Vd D J Ed Ne Ed perin En Ed gt al NOTES Il sl 1 ES ens wor un Se ssa Fs ep HF BYPASS CAPACITORS o vrou aper om am Se i i A as af elt CONFIDENTIAL AND REMstar LX A 5 PROPRIETARY INFORMATION RESPIRONICS INC Ss ER EE E REMstar LX Assembly to A A EE GE EE kee WRITTEN ment or ESCH a PERD Somena P na E ern 3 2 1 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual B 6 RESPIRONICS B 3 REMstar Plus LX Ma n Printed Circuit Assembly PCA s 3 D 3 METIA EAT Tee nl wo ser ms see Sas Tamal 9 wer Les vrou ES MOTOR CONTROLLER EE super aper TE pusen 4 ve t E EE E Ze cf E En eee La part E ape a pe e BoE Een se SC GE 3 E E e oa BE a iS E ton a Se SS Ez 12 Pi SEG20 A ert SS KR SE pusee aset E pt fi mm em sg Es qu rr va z Seen Se 4 sor E e 1a ik 2 Lo SPEED RAS ara JS Sic EG ee GC IVPROSC2 CLKOUT p15 Pra ec Se Rar ik ce a b s ec der me E Ed 493 RBA st M een E EI ec SS Se Ei Bow wem ed el Leo ner pee El d 1 A BYPASS CAPACITOR E ter A sls
11. small hole RI P N 622032 to the Whisper Swivel II Step 1 Turn the blower off by pressing the Blower On Off button o Manometer and pressure tubing to test orifice Step 2 Press the usage button and document B xxxxx x hours in e Occelude test orifice the Final Blower Hours section on the data sheet Step 2 Enter the Dealer mode by holding down the two User Step 3 Verify that the blower usage increased by one hour or more buttons on the key pad and plugging the AC power cord into from the initial reading in section 8 3 Step 3 the unit Step 4 Repeat the System Final Test 8 2 after the Run in Test Step 3 Verify that the pressure is still set to 10 cm H O Step 4 Verify the pressure on the manometer is 8 5 cm to 11 5cm H O Step 5 Use the System Final Test Data Sheet in Section 8 5 to record test results NOTE The System Final Test Data Sheet may be photocopied for a record of unit performance 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 8 7 RESPIRONICS Chapter Testing 8 5 REMstar LX and REMstar Plus LX System Final Test Data Sheet System Final Test see Section 8 2 Serial No Model No Test Step Specification Actual Fail Minimum Pressure Occluded 3 0 cm to 5 0 cm H O Minimum Pressure 60 LPM Large Hole 3 4 cm orifice 3 4 5 0 cm H O Maximum Pressure Occluded 17 75 cm to 22 25 cm H O gt gt Ramp Pressure q OA below 5 0 cm H O and pressure increases DC
12. Operation optional Non zero pressure reading OO E eae Run in Test see Section 8 3 Initial Blower Hours OOO REMstar Plus LXonly EN Record Hours xxxxx x ee cc Final Blower Hours At least one hour more than pre run in blower hours REMstar Plus LX only Post Testing Pressure Setup see Section 8 4 Reference No Tested by Signature In Ink Date 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 8 8 Appendix A Tools and Equipment Appendix A Tools and Equipment A 1 Service Tools and Supplies oooocccninccccno A 3 A 2 Acceptable Test Foupment A 4 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual A 1 Brus Appendix A Tools and Equipment This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual A 2 Brus Appendix A Tools and Equipment Appendix A Tools and Equipment Mild detergent gt O Enrichment Port A 1 Service Tools and Supplies Regulated DC Power Supply see Section A 2 You should have the following hand tools and supplies available for troubleshooting testing and repairing the REMstar LX and REMstar Plus LX CPAP Systems REMstar LX and REMstar Plus LX e 6 ft Smooth Bor Tubing RI P N 301016 e Test Orifice RI P N 622032 Common Hand Tools e Torque wrench in lbs Flat blade screwdriver small e Watt Meter see Section AZ Phillips screwdriver medium Used
13. PCA and Power Supply PCA e Replace Power Supply PCA Time Meter e Main PCA Check connection between Replace in order until solved Display is blank or Main PCA and Power Supply contains erroneous PCA Main PCA information e Power Supply PCA 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 5 E es Chapter 6 Troubleshooting and Diagnostics Troubleshooting Table Continued Intermittent Power Supply e Power cord AC inlet Main Inspect power cord for If power supply DC voltage is Problem PCA loose connections fraying at cable ends not within specifications An intermittent on off Inspect all connectors on replace Power Supply PCA If condition exists or indicator e Power Supply PCA the PCAs power cord or connectors are faulty replace items as required lights blink sporadically U2 Pin 14 5 00 VDC 0 15 VDC If 5vdc supply is not within specifications replace Main PCA 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 6 RESPIR NICS Chapter 6 Troubleshooting and Diagnostics Troubleshooting Table Continued Unit Does Not Operate from Faulty DC plug low DC Ensure the DC supply is a e If DC cord or source is not at the 12 VDC Power Source voltage fuse in DC cord is minimum of 12 VDC 12 VDC replace or recharge as Units blow fuses in the DC cord blown Ensure the DC voltage is required during DC operation stable Monitor the voltage P
14. PROPRIETARY INFORMATION EMstar Plus LX RESPIRONICS INC bg li At INFORMATION CONTAMED m CA OrSCLOSED ares IT Leg GE awe REMstar Plus LX Assembly b H E el Steel E EE 62 D 28231 2 A Fal ane wa am Ma 8 7 6 3 3 E 1 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS B 4 Power Supply Printed Circuit Assembly PCA LINE VOLTAGE SWITCH 12VDC BATTERY INPUT 33 INPUT Ji Baca 4 lee KEA 4301 3323 SCHURTER AC INLET CONNECTOR 2 PIN 10A 250V_ RMS WITH x20mm DUAL FUSE DRAWER SLOT 4021 4723 MARQUARDT 215 230VRMS SELECTOR SWITCH DPDT 2 pa D2 RAPC712 MSPS45 SWITCHCRAFT c3 MICROSEMI DC JACK C322C104K5R5CA SA 2 PIN KEMET asv RIGHT ANGLE Jar SCHOTTKY 50v DO 201AD 20 A BATTERY POWER CORD WITH A 3 AMPERE IN LINE SLOW BLO FUSE MUST BE USED s ac pi RS405L MICROSEMI A8 2 2 soov sovi es IN LINE BRIDGE O THERMAL FUSE 3 50730 1 G322C104KSRSCA SIEMENS 1 4 e 30VRMS 38vDc 250A Si eem SH S 1 LLQ1V472MH8Z A NICHICON E 4700uF 35y x 20 mi S AC2 60TS219 HOBART ELECTRONICS INC 115 230 RMS IH AC LINE IS FUSED WITHIN THE AC INLET AL PUSE DRAWER MEDICAL 1 4301 1403 TURTER 50 60 HERTZ 48 VA WITH THERMAL FUSE RL CCFS54991FT1 DALE 4 99 1 4w 1 MF OUTPU E
15. Plus LX Only 5 3 5 4 Cleaning Replacing the Intake Filters iia 5 4 5 4 1 Removing Cleaning and Replacing the Filters vas 5 4 5 5 REMstar LX and REMstar Plus LX CPAP Systems Preventive Maintenance a AA et ean a E earner ene 5 5 5 5 1 REMstar LX and REMstar Plus LX Preventive Maintenance Schedule Factory Recommended eoccccooccccconcccnancninnos 5 6 Chapter 6 Troubleshooting and Diagnostics ccccssssssreeee O 1 OL Dv essential 6 3 6 2 Troubleshooting Flow Chant 6 4 6 3 Troubleshooting Table 6 5 REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Table of Contents Table of Contents Continued Chapter 7 Repair A Replacement 0000 7 1 Del MOV ERVIEW tn 7 3 7 1 1 REMstar LX and REMstar Plus LX CPAP Systems Exploded View ooooooocccccccccononcconnos 7 4 7 2 REMstar LX and REMstar Plus LX CPAP Systems Repair Kits ccscccecvesscceverccosenedees 7 5 7 3 Warnings and Cautions cccccooccccnonccccnnnnanannnns 7 9 7 4 Replacement Instructions cece 7 9 7 4 1 Bottom Strip Replacement ee 7 12 7 4 2 Bottom Enclosure Replacement 7 14 7 4 3 Top Enclosure Replacement 7 16 7 4 4 Main Printed Circuit Assembly Main PCA Replacement eee 7 20 7 4 5 Key Pad Replacement cece eeeeees 7 23 7 4 6 Outlet Port Replacement eee 7 26 7 4 7 Blower Assembly Replacement 7 29 7 4 8 Power Supply
16. Port 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 27 KON Chapter 7 Repair amp Replacement Outlet Port Replacement Continued Step 3 Installing the Outlet Port a Grasp the blower assembly and slightly lift the enclosure insert to allow the outlet port to clear the bottom enclosure and be inserted into the blower outlet b Slowly lower the enclosure insert assembly into the bottom enclosure while ensuring that the outlet port is properly seating in the bottom enclosure Note that the pressure fitting on the outlet port must point towards the middle of the bottom enclosure Step 4 Installing the Top Enclosure Install e top enclosure e blower cable and power supply PCA cable e three screws See Section 7 4 3 for more detailed instructions on installing the top enclosure 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 28 Chapter 7 Repair amp Replacement RESPIRONICS 7 4 7 Blower Assembly Replacement WARNING Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to Replacement Part Number 622115 the devices Included in Kit Tools Required Blower assembly w foam baffle Phillips screwdriver medium Blower to enclosure insert seal Torque wrench in lbs 6 13 x 1 screw x6 CAUTION Electronic components used in these devices are subject to damage from static electricity Repairs made to these devices
17. REMstar LX and REMstar Plus LX Systems WARNING When using oxygen with the systems turn the units on before turning the oxygen on Turn the oxygen off before turning the units off This will prevent oxygen accumulation in the room Oxygen supports combustion Do not use oxygen in the presence of open flames cigarette smoke electrical spark or other sources of ignition 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 9 RESPIR NICS Chapter 4 System Setup Procedures This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 10 RESPIR NICS Chapter 5 Routine Maintenance Chapter 5 Routine Maintenance Sl TEE 5 3 5 2 Cleaning the System sellada 5 3 5 2 Recording the Total Operating Time REMstar Plus LX Only oooococcnnoncccnnoncccnonnnss 5 3 5 4 Cleaning Replacing the Intake E 5 4 5 5 REMstar LX and REMstar Plus LX CPAP Systems Preventive Maintenance SONGS cripta 5 5 1001417 REMstar LX and REMstar Plus CPAP Systems Service Manual 5 1 RESPIR NICS Chapter 5 Routine Maintenance This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 5 2 Chapter 5 Routine Maintenance RESPIRONICS Chapter 5 Routine Maintenance 5 3 Recording the Total Operating Time REMstar Plus LX Only 5 1 Overview The total operating time is displayed on the REMstar Plus LX time meter S The tim
18. This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 8 2 RESPIRONICS Chapter8 Testing Chapter 8 8 1 Testing Process Testing 8 2 REMstar LX and REMstar Plus LX System Final Test Purpose The following process should be followed after a repair has been done on Thi d id f f the units The S the REMstar LX and REMstar Plus LX CPAP Systems REMstar LX and S Procedure provides performance testing of the units The System REMstar Plus LX Perform the following in order Final Test will be used prior to and after the Run in Test Use the System Final Test Data Sheet in Section 8 5 to record test results CAUTION Electronic components used in these devices are subject 1 System Final Test Section 8 2 to damage from static electricity Use and follow appropriate Electro Static Discharge ESD procedures 2 Run in Test Section 8 3 3 System Final Test Section 8 2 4 Post Testing Pressure Setup Section 8 4 Equipment The same data sheet is used but a column is provided to indicate Pre Digital Manometer see Appendix A Run in or Post Run in Data 1001417 Regulated DC Power Supply or 12 V Battery see Appendix A Watt Meter see Appendix A O Enrichment Port RI P N 312010 Whisper Swivel RI P N 332113 Port Cap supplied with unit or Stopper Test Orifice 60 LPM 14 4 cm and 60 LPM O 3 4 cm RI P N 622032 REMstar LX and REMsta
19. an electrical outlet Release the button when the unit turns on b The airflow will automaticaly turn on and the display screen will show the current elevation setting c Press and release the on off button to view the ramp setting d To change the ramp time setting press and release the ramp button until the correct setting is displayed 3 8 RESPIRONICS 3 5 Theory of Operation 3 5 1 Key Pad amp Time Meter The key pad consists of two User buttons Ramp button Blower On Off button a LED signal light a time meter REMstar Plus LX only and a 2 digit LED display The Blower On Off button activates and deactivates the pressure The range of pressure is 4 0 to 20 0 cm H O with AC and DC operation The Ramp button initiates a ramp cycle which incrementally and automatically increases the pressure The ramp begins at the minimum ramp pressure setting and over the specified time period increases until the therapeutic pressure is reached Ramp time is dealer adjustable from O 45 minute in 5 minute increments The LED signal light indicates power and blower On Off status The time meter indicates the total number of hours the unit has been in use Three altitude compensation levels low medium and high may also be set The 2 digit LED display indicates the altitude and pressure setting 3 5 2 Main Printed Circuit Assembly Main PCA The Main PCA is the control center of the units The Main PCA utilizes two micr
20. for elevation settings over 5 000 ft DC Current Consumption cee ee 3 0 A maximum time delay type MDL Power Consumption ooocconcinnononccnnicincnnnos 80 VA maximum 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 3 4 RESPIRONICS Chapter 3 Specifications Features Description and Theory of Operation Specifications Continued Clas iaa Class II A iiser r iisi Type BF FUNCTIONS MGS univ CPAP EMC NORMATIVE DOCUMENTS This product complies with the requirements found in the following documents TIEG G01 T Z niun n een a Medical electrical equipment general requirements for safety and electromagnetic compatibility TECISO LL Electrostatic discharge require ments for industrial process measurement and control equip ment TEC SOLO EE Radiated electromagnetic field requirements for industrial process measurement and control equip ment 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual TEC SOLA ias Electrically fast transients for industrial process measurement and control equip ment CISPR LL siecssessctessssiveivesieest csstvaszastievsesdenes Limits and methods of measure ment of electromagnetic distur bance characteristics of industrial scientific and medical ISM equipment ALTITUDE COMPENSATION Pressure Range ccccs siesccscesssesessosssasossoneose 4 0 20 0 cm H O Low 0 2500 ft 0 762 m SEIS id a Mid Medium 2501
21. for optional DC testing only Side cutters e Antistatic Electro Static Discharge ESD protected work station minimum requirement is a grounded mat and wrist strap e Battery 12 Volt see Section A 2 e Battery Cable Adapter RI P N 532209 e Cleaning cloth e DC Power Cord optional RI P N 1000815 e Digital Manometer see Section A 2 e End Cap supplied with unit e Isopropyl alcohol 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual A 3 RESPIRONICS A 2 Acceptable Test Equipment A 2 1 Digital Manometer Specifications 0 25 cm H O or better 0 3 cm H O accuracy 0 1 cm H O resolution Acceptable Options e Respironics Digital Manometer RI P N 302227 Merical DP2001 Sensym PDM 200CD RT 200 Any commercially available digital manometer that meets the above specifications A water column manometer may also be used 1001417 Appendix A Tools and Equipment A 2 2 Watt Meter Specifications 0 100 W 3 accuracy 1 W resolution Acceptable Options e Yokogawa 2355 digital e Simpson Analog 0 150 W e Extech DW 6060 e Any commercially available watt meter that meets the above specifications REMstar LX and REMstar Plus LX CPAP Systems Service Manual A 4 Brus Appendix A Tools and Equipment Acceptable Test Equipment Continued A 2 3 Digital Multimeter A 2 5 Battery optional for DC testing only Specifications Specifications 2 5 digit readout mi
22. pg 7 32 Enclosure Insert pg 7 35 Removal Flow Chart Figure 7 2 Removal Flow Chart Chart Usage Determine which item is to be replaced then follow the line of flow back to the Top Enclosure and begin the removal process Detailed procedures begin on the referenced page numbers 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 10 RESPIRONICS Chapter 7 Repair amp Replacement Replacement Instructions Continued Enclosure Insert pg 7 35 Power Supply Printed Circuit Blower Assembly PCA Assembly pg 7 32 pg 7 29 b d Outlet Main Printed Key Port Circuit Assembly PCA Pad pg 7 26 pg 7 20 pg 7 23 y y Bottom Top Bottom Enclosure Enclosure Strip pg 7 14 pg 7 16 pg 7 12 Installation Flow Chart Figure 7 3 Installation Flow Chart Chart Usage Determine which item is to be installed then follow the line of flow down to the Top Enclosure and begin the installation process Detailed procedures begin on the referenced page numbers 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 11 KON Chapter 7 Repair amp Replacement 7 4 1 Bottom Strip Replacement Replacement Part Number 622122 Included in Kit Tools Required Bottom strip Isopropyl alcohol Cleaning cloth Procedure Removed Installed During Process
23. proprietary and confidential Do not copy the schematics or disclose them to third parties beyond the purpose for which they are intended Patents are pending The schematics are intended to satisfy administrative requirements only They are not intended to be used for component level testing and repair Any changes of components could affect the reliability of the device prohibit lot tracking of electronic components and void warranties Repairs and testing are supported only at the complete board level The schematics are of the revision level in effect at the time that this manual was last revised New revisions may or may not be distributed in the future 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual B 3 RESPIRONICS B 2 REMstar LX Main Printed Circuit Assembly PCA Tac 3 2 H Ta CORTE EST TIA A 2 i foou est a am y wavue Emmer ews cun D GROUNDS ARE TIED AT OR NEAR THIS CONNECTOR vos L Wueres 1 se So CN g EI EELER e H e sevrer 3 288558 EPR ETA er et e Sei O Ze hEm H al 5 loscz Rat 7 lo ran Sl e Y O Jr sp e SCH EES a BEE aide Bras Ree 2 PPS dE Kai 7 2
24. 1 REMstar LX and REMstar Plus LX CPAP Systems Overview wccccscescccasate camatisietedarencctatter 1 3 1 2 Service Notice rain 1 4 1 3 Technical Support Statement 1 4 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 1 1 RESPIR NICS Chapter 1 Introduction This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 1 2 RESPIRONICS Chapter 1 Introduction Chapter 1 Introduction 1 1 REMstar LX and REMstar Plus LX CPAP Systems Overview The REMstar LX and REMstar Plus LX CPAP Systems REMstar LX and REMstar Plus LX shown in Figure 1 1 are microprocessor con trolled devices that deliver Continuous Positive Airway Pressure CPAP therapy in one mode for the treatment of adult Obstructive Sleep Apnea OSA only The CPAP mode provides a constant level of positive pressure throughout the breathing cycle to pneumatically splint the airway open The units incorporate a key pad with two User buttons a Light Emitting Diode LED signal light a time meter REMstar Plus LX only and a 2 digit LED display The units may be operated using either AC 115 230 VAC or DC 12 VDC power Figure 1 1 REMstar LX and REMstar Plus LX CPAP Systems 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 1 3 RESPIRONICS Chapter 1 Introduction 1 2 Service Notice This service manual was prepared by Respironics primarily for use by techni
25. 3 Se EE Eege ie eh AS st Ces ee Zeen Seat 2 0 ocre e a Een Pa ase Ses ect ZC TA keo a E 1 Br Ree H es de bl Mes Resto GH A ST PICIECs4A S E GH cha aa EI Ess Seed GH Lco E P mer 2 Zei 3 4 La E BYPASS CAPACITOR aper A a w iw Een mwssc tz iy RESPIRONICS INC 5 SH PROPRIETZ INFORMATION me d I i EE SCHEWANIC REMstar LX Assembly d o ros e EE EST e me EH ox ar ESCH Er eng ste wa as EE 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual B 5 E es B 3 REMstar Plus LX Main Printed Circuit Assembly PCA s EAS A A s H SNE SE i 1 aati waere OA AA ee RE ae foes mua ones pas ua SH A o GROUNDS ARE TED AT OR NEAR THIS CONNECTOR ven suero t SR SS 2 veu DER Er aper SVREF H i n 7 pokes 7 E ES c E 8 a da Es 5 c aer ab RK ak ce im ii u ER Sa Jk sis E e 1 Zen vech CES 238 pee A ER Fa E GND Se 7 40 eee amer Er SE oer pe ec y Jere rp Loss rch zl ak Ee a ven apre TaSoSLT1 eee Spy emeng E whe see MP et ne EI op ER Ze ROU Fee o w de a T ZE IS r S i al Zu Raag nia e E SVREF Zlkas reei apps KA Kach 05 Ar Gi me
26. CA cable a Align the holes in the power supply PCA with the holes in e three screws the enclosure insert Note that the AC power input receptacle must be guided into the cut out in the enclosure insert See Section 7 4 3 for more detailed instructions on installing the top enclosure b Insert and tighten the six screws to secure the power supply PCA to the mounting plate on the enclosure insert NOTE Four of the screws pass through the transformer 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 34 Chapter 7 Repair amp Replacement RESPIRONICS 7 4 9 Enclosure Insert Replacement WARNING Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to Replacement Part Number 622119 the devices Included in Kit Tools Required Enclosure insert w foam baffle Phillips screwdriver medium CAUTION Electronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in an antistatic ESD protected environment Blower to enclosure insert seal Torque wrench in lbs 6 13 x 1 screw x6 Procedure Removed Installed During Process e Top enclosure e Main PCA e Outlet port e Blower assembly e Power supply PCA Enclosure insert Enclosure Insert 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 35 RESPIRONICS Chapter 7 Repair amp Repl
27. Printed Circuit Assembly Power Supply PCA Replacement AAA gue ek k 7 32 7 4 9 Enclosure Insert Replacement 7 35 1001417 Chapter 8 Testing ccccsssssscccssseeee S L 8 1 Testing Process dass 8 3 8 2 REMstar LX and REMstar Plus LX System Final ia 8 3 8 3 A a eRe eeerer Cerner 8 6 8 4 Post Testing Pressure Setup 10 0 cm H O amic 8 7 8 5 REMstar LX and REMstar Plus LX System Final Test Data cea 8 8 Appendix A Tools and Equipment A 1 Al A 2 Service Tools and Supplies A 3 Acceptable Test Equipment 0 A 4 A 2 1 Digital Manometer kee A 4 Ay2 2 Watt Metaf senil A 4 A 2 3 Digital Multimeter essa A 5 A 2 4 Regulated DC Power Supply optional A 5 A 2 5 Battery optional for testing only A 5 REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Table of Contents Table of Contents Continued Appendix B Schematics ccsssssssoes B 1 BI Schematic Statement ceecee B 3 Bi REMstar LX Main Printed Circuit Assembly PCA Deseos leas B 4 B 4 Power Supply Printed Circuit Assembly IPCA lisina B 8 TE 1 1 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Overview Overview REMstar LX and REMstar Plus LX CPAP Systems Service Manual Warranty Details the Respironics warranty Table of Contents Lists the chapters included in this manual Chapter 1 Introduction Introduces the REMstar LX and
28. REMstar Plus LX CPAP Systems Chapter 2 Warnings Cautions and Notes Lists the Warnings Cautions and Notes Chapter 3 Specifications Features Describes the theory of operation for the units Description and Theory of Operation including basic operations of the subsystems Chapter 4 System Setup Procedures Details system setup including instructions on required alternate and optional patient accessories Chapter 5 Routine Maintenance Provides cleaning and routine maintenance instructions Chapter 6 Troubleshooting and Diagnostics Provides a troubleshooting flow chart and a troubleshooting table Chapter 7 Repair amp Replacement Describes detailed procedures of removing and installing all major components within the units including graphics and illustrations for visual identification Chapter 8 Testing Includes the System Final Test Run in Test Post Testing Pressure Setup and Data Sheet Appendix A Tools and Equipment Details the necessary tools and test equipment required for servicing 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual O 1 RESPIRONICS Overview Overview Continued Appendix B Schematics Provides Printed Circuit Assembly PCA schematics NOTE These are proprietary and are to be used for reference only Index Item location guide 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual O 2 RESPIRONICS Chapter 1 Introduction Chapter 1 Introduction 1
29. The green LED will go out While holding down the two User buttons on the key pad plug the AC power cord into the unit The same displays used for the Minimum Pressure Test see Section 8 2 should be visible Verify the following e the blower is running in the unit and the proper altitude setting is indicated on the display Press the left User button twice until the Pressure display appears Press the right User button until 20 appears Each press of the right User button increments the pressure by 0 5 cm Press the Blower On Off button and verify the pressure on the manometer is 20 0 cm H O 2 25 cm H O REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 5 RESPIRONICS Chapter 4 System Setup Procedures 4 3 Recommended Alternate and Optional Circuit Accessories This section addresses the recommended alternate and optional circuit accessories that can be used with the REMstar LX and REMstar Plus LX For additional information refer to the User s Manual or the Home Care Providers Manual or the literature supplied with the accessory 4 3 1 Required Accessories To use the REMstar LX and REMstar Plus LX Systems the follow ing accessories are recommended in order to assemble the circuit WARNING The REMstar LX and REMstar Plus LX Systems should only be used with the recommended patient circuit identified below Recommended Patient Circuit e Respironics Nasal Mask amp Whispe
30. acement Enclosure Insert Replacement Continued Step 1 Step 2 Step 3 1001417 Removing the Top Enclosure Step 4 Remove e three screws e blower cable and power supply PCA cable e top enclosure See Section 7 4 3 for more detailed instructions on Step 5 removing the top enclosure Removing the Main PCA Remove two Tinnerman fasteners e Main PCA See Section 7 4 4 for more detailed instructions on removing the Main PCA Removing the Outlet Port Remove outlet port See Section 7 4 6 for more detailed instructions on removing the outlet port REMstar LX and REMstar Plus LX CPAP Systems Service Manual Removing the Blower Assembly Remove e six Screws e blower assembly See Section 7 4 7 for more detailed instructions on removing the blower assembly Removing the Power Supply PCA Remove e six screws e power supply PCA See Section 7 4 8 for more detailed instructions on removing the power supply PCA 7 36 RESPIRONICS Chapter 7 Repair amp Replacement Enclosure Insert Replacement Continued Step 6 Removing the Enclosure Insert Step 7 a While holding the bottom enclosure in place lift the enclosure insert out of the bottom enclosure Step 8 Step 9 Step 10 Figure 7 12 Removing the Enclosure Insert Installing the Enclosure Insert a Align the enclosure insert then place it into the bottom enclosure Installing the Power Supply PCA Install e
31. acement Part No Page No AC Power Cord U S and Canada 362524 N A AC Power Cord International See Note Blower Assembly 622115 Includes Blower assembly w foam baffle Blower to enclosure insert seal 6 13 x 1 screw x6 Ferrite clamp on not used for this repair Pressure tubing not used for this repair Bottom Enclosure REMstar LX and REMstar Plus LX 1000828 Includes Bottom enclosure w foam baffle See Note and bottom strip Warning label 8 11 x 3 4 screw x3 Bottom Strip 622122 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 5 RESPIR NICS Chapter 7 Repair amp Replacement REMstar LX and REMstar LX CPAP Systems Repair Kits Continued Replacement Part Replacement Part No DC Power Cord optional 1001956 Enclosure Insert 622119 Includes Enclosure insert w foam baffle e Blower to enclosure insert seal e 6 13 x 1 screw x6 Filter Disposable Ultra fine x1 622017 Filter Reusable Pollen x1 622018 Filter Cap w foam baffle 622124 Fuse Drawer REMstar LX and REMstar Plus LX 622010 Fuse Kit 230 240 VAC REMstar LX and REMstar Plus LX 1000709 Fuse Kit 100 120 VAC REMstar LX and REMstar Plus LX 1000710 Key Pad REMstar LX 1000826 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 6 Chapter 7 Repair amp Replacement RESPIRONICS REMstar LX and REMstar LX CPAP Sys
32. aronnnneronnanoronnannnns 5 4 Flow Chart Installation ooooooconcncnoncoonononononononononconnnonononcnnonnnonononccnonanonnncnccnnns 7 11 Removal cial 7 10 H Humidifier AGING iii iaa 4 9 I TC saaeeareaeee wets 6 5 Installation Flow Chart occccccccnnninonininoninnnnanananononcnononononocanaconicininos 7 11 K Key PAG catar 3 7 A eege EENS 7 23 L Light Emitting Diode LED AA 3 7 4 4 1001417 M Main Printed Circuit Assembly Main PCA Replacing Manometer Digitalis dani ee EE asas Mode Multimeter Digital sic sscessccenccbedsscgsevashceeeecesebabeescdacssvbessesexenbesatedbeaboasneoabebebdsoaacs O Enrichment Port Obstructive Sleep Apnea OSA Outlet Air Temperature Outlet Port Replacing Oxygen REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Index Index Continued P Post Testing Pressure Setup ooooonnonnonnnonnoncnoncnncnnncnncnnnonaconncnnn conc noconcnnos 8 7 Power Cord DO ari A 3 Power Supply DC Regulated cita idad A 3 Power Supply Printed Circuit Assembly PCA neseser B 8 TE 7 32 Preventive Maintenance Schedule oooooononocccnoncccooonncnonononoonncnnonnncnnnnnoo 5 6 R EE 3 8 Ramp RE TEE 6 10 Regulated DC Power Supply Specification Seene oido ceso s EEGEN EdE A 5 Removal Flow Chart 2 cccsssccsectscsssocccescoecesencesecoecessccesescteceescedesneees 7 10 REMstar LX and REMstar Plus LX CPAP Systems Repair Kits 7 5 REMstar LX CPAP Sys
33. before attempting to make any repairs to the devices CAUTION Electronic components used in these devices are subject Power Su pply PCA to damage from static electricity Repairs made to these devices must be performed only in an antistatic ESD protected environment 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 32 Chapter 7 Repair amp Replacement RESPIRONICS Power Supply PCA Replacement Continued Step 1 Removing the Top Enclosure Remove e three screws 1 h e blower cable and power supply is PCA cable e top enclosure See Section 7 4 3 for more detailed instructions on removing the top enclosure Step 2 Removing the Power Supply PCA a Using a Phillips screwdriver remove the six screws securing the Power Supply PCA to the mounting plate on the enclosure insert NOTE Four of the screws pass through the transformer Figure 7 11 Removing the Power Supply PCA 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 33 RESPIR NICS Chapter 7 Repair amp Replacement Power Supply PCA Replacement Continued b While holding the enclosure insert in place lift the power Step 3 Installing the Top Enclosure supply PCA from the mounting plate It will be necessary to guide the AC input power receptacle from the cut out in Install e top enclosure the enclosure insert e blower cable and power supply Step4 Installing the Power Supply PCA P
34. cians to service the REMstar LX and REMstar Plus LX Systems The individuals using this manual to service the REMstar LX and REMstar Plus LX Systems should have prior training or experience servicing ventilatory devices 1 3 Technical Support Statement Respironics is committed to customer satisfaction and may be contacted with any questions or for technical support For technical assistance or replacement part ordering information contact your nearest Respironics Customer Satisfaction Center CSC U S and Canada Phone 1 800 669 9234 Fax Available from your nearest CSC International Phone 1 412 731 2100 Fax 1 412 473 5012 Visit Respironics Home Page on the World Wide Web at www respironics com J RESPIRONICS INC 1001 Murry Ridge Lane Murrysville Pennsylvania 15668 8550 USA RESPIRONICS Deutschland Gewetbestrasse 17 D 82211 Herrsching Germany 0123 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 1 4 Chapter 2 Warnings Cautions and Notes Chapter 2 Warnings Cautions and Notes Dall Warnings 2c sceceivnndesanidoreerisciaavaeonncdeeeearee 2 3 2 2 Cautions ia 2 5 A A EE E ei 2 5 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 2 1 RESPIR NICS Chapter 2 Warnings Cautions and Notes This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 2 2 RESPIRONICS Chapter 2 Warnings Cautions and No
35. concentrations will vary depending on pressure settings patient breathing patterns mask selection and leak rate Oxygen supports combustion Do not use oxygen in the presence of open flames cigarette smoke electrical spark or other sources of ignition 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 2 3 RESPIRONICS Chapter 2 Warnings Cautions and Notes Warnings Continued These devices are not suitable for use in the presence of a flammable anesthetic mixture with air or with oxygen or nitrous oxide In situations where risk of contamination between the user and the device is high e g sleep lab devices rental devices users with respiratory infections a low resistance main flow bacteria filter should be placed in line between these devices and the circuit Most CPAP devices have the potential to induce rebreathing of exhaled air To reduce this potential use only Respironics circuit accessories do not wear the mask and headgear for more than a few minutes while the units are not operating and do not block or try to seal the vent holes in the exhalation port 2 1 3 Service 1001417 Electronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in an antistatic Electro Static Discharge ESD protected environment To assure the safety of the service technician and the specified performance of the
36. devices Respironics recommends that only technicians having prior training or experience servicing ventilatory devices perform any repairs or adjustments to the REMstar LX and REMstar Plus LX High voltages are present inside these devices To avoid electrical shock disconnect the electrical supply before attempting any repairs on the devices 2 1 4 Cleaning To avoid electrical shock disconnect the electrical supply before cleaning the units DO NOT immerse these devices into any fluids REMstar LX and REMstar Plus LX CPAP Systems Service Manual 2 4 RESPIRONICS Chapter 2 Warnings Cautions and Notes 2 2 CAUTIONS 1001417 Federal law U S restricts these devices to sale by or on the order of a physician Care should be taken to avoid exposure of the REMstar LX and REMstar Plus LX to temperatures at or near the extremes of those specified in Chapter 3 If exposure to such temperatures has occurred the devices should be allowed to return to room temperature before being turned on Always use both a pollen filter RI P N 622018 and an ultra fine filter RI P N 622017 when the REMstar LX and REMstar Plus LX are in use Never place liquids on or near the REMstar LX and REMstar Plus LX Discontinue using these devices if any of the parts are damaged Replace any damaged parts before continuing use The information in this manual is provided for service personnel reference and is not intended for system
37. e Ramp button once Enter the User mode by plugging the AC power cord into the unit Press the Blower On Off button to restart the blower If a new blower assembly was installed the wattage may initially be higher After approximately five minutes of use the wattage will reduce to within specifications Press the Ramp button and verify that the pressure drops below 5 0 cm H O Pressure will increase in a linear fashion over time until the pressure setting is reached Verify 1 0 cm H O increase in pressure during ramp operation Turn the blower off Unplug the AC power cord from the unit REMstar LX and REMstar Plus LX CPAP Systems Service Manual 8 5 RESPIRONICS Chapter8 Testing REMstar LX and REMstar Plus LX System Final Test Continued Step 3 DC Operation optional test This is an optional test that should be done if a repair was performed that affected the DC operation or if a problem is suspected in this area a Connect the DC inlet plug to the unit b Using the DC Battery Cable connect to the Regulated DC Power Supply set to 12 VDC 0 5 V or to the battery c Turn the unit on Verify proper functioning by observing a non zero pressure reading on the manometer Once ob served turn the unit off d Disconnect the power supply or battery then remove the DC inlet plug 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 8 3 Run in Test Purpose This procedure pro
38. e meter is located on the left display and is signified by an This chapter provides guidelines and illustrates the cleaning and mainte hourglass icon nance procedures for the REMstar LX and REMstar Plus LX CPAP Systems REMstar LX and REMstar Plus LX The total operating time is the total number of hours the unit Before cleaning or performing any routine maintenance always switch has been in use This total includes factory testing time the Blower On Off button to the Off position and unplug the power cord from the rear of the unit 5 2 Cleaning the System WARNING To avoid electrical shock disconnect the electrical supply before attempting to clean the units DO NOT immerse the units in water or allow any liquid to enter the cabinet or the filter intake Step 1 Wipe the outside of the unit with a cloth slightly dampened with water and a mild detergent Let the unit dry before reconnecting the electrical supply 1001417 REMstar LX and REMstar Plus CPAP Systems Service Manual 5 3 RESPIRONICS Chapter 5 Routine Maintenance 5 4 Cleaning Replacing the Intake Filters The gray pollen filter is a reusable filter that screens out pollens and some household dust This filter should be cleaned at least once every two weeks under normal usage or as required and replaced with a new one every six months One additional pollen filter is included with the systems The pollen filter must be in place at all times when the u
39. e standing 30 E 25 battery 3 20 Respironics recommends a 100 amp hour deep cycle marine battery A fully charged battery of this size 15 will supply approximately 20 hours of therapy a ze Ree d The units should not be operated while the vehicle is in motion Monarch Mini Mask 5 IF par ec CAUTION Only use the Respironics DC Power Accessories Use ane of any other system may cause damage to the REMstar H LX and REMstar Plus LX or your vehicle 0 5 10 15 20 Pressure cm H20 CAUTION DC Power is not intended to be used as battery back up Figure 4 3 DO NOT connect the DC Power while the units are Typical Exhaust Flow Pressure Performance operating on AC Power System damage may occur 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 8 Brus Chapter 4 System Setup Procedures Recommended Alternate and Optional Circuit Accessories Continued 4 3 4 Adding a Humidifier When using a humidifier always disconnect the humidifier tubing from the REMstar LX and REMstar Plus LX Systems when they are turned off DO NOT use a room humidifier within 6 ft 1 83 m of the units Moisture can build up in the systems and cause damage Follow the instructions included with the humidifier When using a heated humidifier avoid using a high temperature setting which may cause water to collect in the tubing 4 3 5 Adding Oxygen to the System Please note the warnings listed below when using oxygen with the
40. er AC Power Cord information Note 2 Contact Respironics Technical Service Department or a Respironics Customer Satisfaction Center for bottom enclosure ordering information 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 8 Chapter 7 Repair amp Replacement RESPIRONICS 7 3 Warnings and Cautions 7 4 Replacement Instructions WARNING To prevent electrical shock disconnect the See Figures 7 2 and 7 3 before removing or installing any component electrical supply before attempting to make any repairs These figures will detail the order in which each item must be removed or to the units installed and should be used as a guideline for quick reference CAUTION Electronic components used in these units are subject to damage from static electricity Repairs made to the below listed sub assemblies must be performed only in an antistatic Electro Static Discharge ESD protected environment 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 9 RESPIRONICS Chapter 7 Repair amp Replacement Replacement Instructions Continued Bottom Top Bottom Strip Enclosure Enclosure pg 7 12 pg 7 16 pg 7 14 Key Main Printed Outlet Pad Circuit Assembly PCA Port pg 7 23 pg 7 20 pg 7 26 Power Supply Blower Printed Circuit Assembly Assembly PCA pg 7 29
41. es RESPIRONICS yee ee oe 4 2 2 Setting the Altitude NOTE DO NOT turn the airflow on until a test adapter is The altitude may be set in the either Dealer mode or User mode While connected RI P N 622032 holding down the two User buttons or the key pad plug the AC power cord into the unit The altitude setting will be displayed on the 2 digit 4 2 1 Self Diagnostic Test LED To ensure proper therapy this setting needs to be accurate for the patient s current location The altitude displays are After the unit is plugged into an electrical outlet it will perform a Self Diagnostic Test The blower will turn on and the 2 digit LED display will indicate the altitude setting Ai LOW 0 2 500 ft 0 762 m t MID 2 501 5 000 ft 763 1 524 m HIGH greater than 5 000 ft If the correct setting is displayed press the left User button To change the altitude setting press the right User button until the correct setting is displayed Altitudes over 5 000 ft 1 524 m may affect the accuracy of the pressure Verify the pressure settings with a manometer 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 4 RESPIRONICS Chapter 4 System Setup Procedures System Setup Continued 4 2 3 Setting the Ramp Time The minimum ramp pressure is factory set at 4 cm H O and cannot be changed The ramp time can be set from 0 to 45 minutes 5 minute increments The firs
42. for more detailed instructions on installing the top enclosure 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 22 Chapter 7 Repair amp Replacement RESPIRONICS 7 4 5 Key Pad Replacement REMstar LX Replacement Part Number 1000826 REMstar Plus LX Replacement Part Number 1001415 Included in Kits Tools Required Key pad Phillips screwdriver medium Isopropyl alcohol Flat blade screwdriver small Cleaning cloth Procedure Removed Installed During Process e Top enclosure e Main PCA e Key pad WARNING Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to the devices Key Pad CAUTION Flectronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in an antistatic ESD protected environment 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 23 RESPIRONICS Key Pad Replacement Continued Step 1 Step 2 Step 3 1001417 Removing the Top Enclosure Remove e three screws e blower cable and power supply PCA cable e top enclosure See Section 7 4 3 for more detailed instructions on removing the top enclosure Removing the Main PCA Remove two Tinnerman fasteners e main PCA See Section 7 4 4 for more detailed instructions on removing the Main PCA Removing the Key Pad a Working from the inside of t
43. han e Main PCA blower 1 0 cm H O e Filters dirty e Altitude setting e Air path blocked Press the Ramp button and e Replace Main PCA verify that the pressure drops below 5 0 cm H O Pressure will increase in a linear fashion over time until the pressure setting is reached Verify one increase in pressure change in ramp operation e Replace key pad Check filters Verify proper altitude setting Perform Testing Process see Chapter 8 Clean replace filters Replace blower Clear air path If pressure still drifts then replace Main PCA 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 10 RESPIRONICS Chapter 7 Repair A Replacement Tl e SEI OW eeeeto parser entreis irrien 7 3 7 2 REMstar LX and REMstar Plus LX CPAP Systems Repair Kits c0oooocconoccconoccccnconcccnnnnnos 7 5 7 3 Warnings and Cautions oocccccoccccnononccnnnnnnnnn 7 9 7 4 Replacement Instructions cee 7 9 1001417 Chapter 7 Repair amp Replacement REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 1 RESPIR NICS Chapter 7 Repair amp Replacement This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 2 Chapter 7 Repair amp Replacement RESPIRONICS Chapter 7 Repair amp Replacement For technical assistance or replacement part ordering information contact your nearest Respironics Customer Satisfaction Center CSC
44. he top enclosure place a flat blade screwdriver onto the exposed portion of the key pad next to the ribbon cable Gently push until the key pad is partially lifted Chapter 7 Repair amp Replacement b Working from the outside of the top enclosure carefully lift upwards on the key pad and remove it from the top enclosure A small amount of isopropyl alcohol may be used during the removal process Figure 7 8 Removing the Key Pad REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 24 RESPIRONICS Chapter 7 Repair amp Replacement Key Pad Replacement Continued c As the key pad is being removed the ribbon cable must be Step 5 Installing the Main PCA fed through the opening in the top enclosure d Use a small amount of isopropyl alcohol on a cleaning Install main PCA cloth to remove any adhesive residue from the surface of two Tinnerman fasteners the top enclosure See Section 7 4 4 for more detailed instructions on Step 4 Installing the Key Pad installing the Main PCA a Remove the protective backing from the back of the key Step 6 Installing the Top Enclosure pad make sure the backing under the ribbon cable is removed Install e top enclosure b Feed the key pad ribbon cable through the opening in the e blower cable and power supply top enclosure PCA cable c Starting with the front edge align the key pad with the indentation in the top enclosure then set in place e th
45. ide access to the blower cable and the power supply PCA cable Figure 7 5 Location of the Screws 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 17 Chapter 7 Repair amp Replacement RESPIRONICS Top Enclosure Replacement Continued f Remove the blower cable and the power supply PCA cable Step 2 Removing the Main PCA connectors by gently pulling them straight out from their receptacles The top enclosure is now free from the rest of Remove gt Fore Tinneman en the unit e main PCA Power Supply See Section 7 4 4 for more detailed instructions on PCA Cable q removing the Main PCA Step 3 Removing the Key Pad Remove e key pad See Section 7 4 5 for more detailed instructions on removing the key pad Step 4 Installing the Key Pad Install e key pad See Section 7 4 5 for more detailed instructions on installing the key pad Blower Cable Figure 7 6 Removing the Blower and Power Supply PCA Cables 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 18 RESPIRONICS Chapter 7 Repair amp Replacement Top Enclosure Replacement Continued Step 3 Installing the Main PCA d While securely holding the top and bottom enclosure together carefully turn the unit upside down Install e main PCA e Insert and tighten the three Phillips screws to secure the e iwo Dnnernan fasteners top enclosure to the bottom enclosure See Section 7 4 4 for more de
46. is the blower assembly Ambient air is drawn through the air intake filter and pressurized by the energized blower Ultimately therapeutic pressure is provided to the patient via the patient circuit The microprocessor regulates the motor speed which in turn adjusts and controls the pressure The key pad which includes two User buttons a Light Emitting Diode LED signal light a time meter REMstar Plus only and a 2 digit LED display is the primary means by which the patient therapy is controlled Patients have limited access to unit parameters The unit may be powered from either AC 100 120 VAC 230 240 VAC or from DC power 12 VDC AC power enters the unit via an TEC 320 style AC inlet and appropriate power cord A DC power connector enables the patient to use the system when AC voltage is not accessible The two system filters the pollen and the ultra fine ensure optimum operation for the user An air outlet port allows for connection to the patient circuit 3 7 RESPIRONICS Functional Description Continued The patient circuit is made up of the flexible tubing outlet swivel with pressure tubing exhalation port and nasal mask The units apply CPAP to the patient s upper airway to keep the airway open during sleep Air flow generated from the units is directed to the patient via a mask and flexible tubing that connects to the air outlet port of the units The Ramp feature lets the user reduce the pressure f
47. l other express warranties In addition any implied warranty including any warranty of merchantability or fitness for the particular purpose is limited to one year Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state To exercise your rights under this warranty contact your local authorized Respironics dealer or contact Respironics at RESPIRONICS INC RESPIRONICS 1001 Murty Ridge Lane Deutschland Murrysville Pennsylvania Gewetbestrasse 17 15668 8550 USA D 82211 Herrsching Germany 0123 Visit Respironics Home Page on the World Wide Web at www respironics com REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Table of Contents Table of Contents REMstar LX and REMstar Plus LX CPAP Systems Service Manual oocoooooosomommsoo O 1 Overview Chapter 1 _ Introduction 1 1 1 1 REMstar LX and REMstar Plus LX CPAP Systems Overview escroto ne 1 3 12 Service N tiCE wetvecacscstccieandsennaicudateendaentssdavaee 1 4 1 3 Technical Support Statement 1 4 Chapter 2 Warnings Cautions and Notes v60000000000000000000000000 2 1 Dell WAI See eE a 2 3 WLL Safety rd 2 3 2 1 2 Operational als ala een 2 3 A A 2 4 SE ESA ia 2 4 1001417 22 CAOS od 2 5 O E 2 5 Chapter 3 Specifications
48. mell Wash tubing with soap and water Replace e Blower e Power Supply PCA Move unit away from external heat source REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 8 RESPIRONICS Chapter 6 Troubleshooting and Diagnostics Troubleshooting Table Continued Pressure Related Problems The outlet pressure does not change or properly adjust Pressure Offset Static pressure fluctuates 1 0 cm to 2 0 cm H O Unit Blower Turns on When Power Cord is Plugged In 1001417 Main PCA or blower malfunc tion The delivered pressure is higher or lower than the set value by more than 2 0 1 0 cm H O Unit was unplugged with blower running Check blower for internal air leaks Perform power up process Check altitude setting Plug unit in If blower turns on without pressing the Blower On Off button reset the unit REMstar LX and REMstar Plus LX CPAP Systems Service Manual e Replace blower pressure tubing or Main PCA as required e Replace blower e Replace Main PCA Set the correct altitude Turn the blower off and remove the AC power 6 9 RESPIRONICS Chapter 6 Troubleshooting and Diagnostics Troubleshooting Table Continued Ramp Pressure e Main PCA The pressure does not ramp correctly e Ramp button not functioning Pressure Variation e Internal air leak The pressure varies around the set value pressure fluctuates greater t
49. ms Service Manual 3 3 Chapter 3 Specifications Features Description and Theory of Operation RESPIRONICS 3 2 Specifications BUSES BUSES ta iO and 0 8 amp or 800 ma time delay 31 1 time del Operating Temperature cceceeeees 41 104 F 5 40 C aa Se SH SE Storage Eesen Ee Physical Fuse Size eeeeseseseseeeeeeeeeeeees 5 mm x 20 mm BOU eisereen Ee 15 95 non condensing Outlet Temperature Risen Shall not exceed 122 F 50 C PHYSICAL when operating at a maximum Electrical Safety oooonnoconnonconnnnonesim TEC 601 1 general safety ambient temperature of 104 F 40 C requirement for medical devices NOTE The outlet temperature rise can be as much as 18 F 10 00 L x 5 50 W 10 C higher than room temperature measured at the x 4 75 H 25 x 14 x 12 cm end of a 6 ft 1 83 m tube 3 5 Ibs 1 6 kg Atmospheric Pressure cesses 76 7 102 kPascals Storage 50 102 kPascals ELECTRICAL Elevation ins 0 5 000 ft and greater with three selected ranges available AC Input Voltage ocoonccccocinannnnnnnnnnonanonnnos 100 120 VAC 230 240 VAC 50 60 Hz Noise Level ME No specification is given because various test instruments test DC Input Voltage errire 11 17 VDC procedures and unit operating conditions produce varying results AC Current Consumption 0 0 T 800 ma at 115 VAC Verify the pressure setting via a T 315 ma at 230 VAC manometer
50. must be performed only in an antistatic ESD protected environment Ferrite clamp on not used for this repair Pressure tubing not used for this repair Procedure Removed Installed During Process e Top enclosure e Outlet port e Blower assembly Blower Assembly 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 29 Chapter 7 Repair amp Replacement RESPIRONICS Blower Assembly Replacement Continued Step 1 Removing the Top Enclosure Torque Tightening Sequence Remove e three screws e blower cable and power supply PCA cable e top enclosure See Section 7 4 3 for more detailed instructions on removing the top enclosure Step 2 Removing the Outlet Port Remove e outlet port See Section 7 4 6 for more detailed instructions on SO removing the outlet port aT Step 3 Removing the Blower Assembly a Using a Phillips screwdriver remove the six screws securing the blower assembly to the enclosure insert b While holding the enclosure insert in place lift and remove the blower assembly Removing the Blower Assembly 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 30 RESPIRONICS Chapter 7 Repair amp Replacement Blower Assembly Replacement Continued Some upward force on one of the edges may be neces Step 5 sary because the blower to enclosure insert seal will hold the two pieces together c Remove the blower to encl
51. near ee O C ted wh GG Ha welt Gemeen A P a 100K f k g Zi set e Sec 3 4 KE St A w Ea E e vss s a 8 2 D Ed ES comer Ed EI r r S Henn E OL 4 E p EE zem p E moil sores a zzz age 1 cares ews nor st 2 MFER To of AER OR OOM Pa ORNATE BYPASS CAPACITORS EZ wax oer o ag A A be be e Fa CONFIDENTIAL AND erte 3 ae Sch Sai gi n 1 PROPRIETARY INFORMATION __ Beier LX Z RESPIRONICS INC a IRMA z iten w OR oseuoseo ay me S Val pl EE REMstar LX Assembl se Ed E E EE SCHEMATIC st sembly i eee ane me ETT TF OR COMMUNICATOR Eta A KEE te Jero see a a A as z EE A E l SEH z 1 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual r B 2 REMstar LX Main Printed Circuit Assembly PCA 8 7 6 5 4 3 z 1 ST ESCRITA ET o uron FES Tete iimik ey en a een Leo erator me ser E iiim ACTO D D ege LEDS MOTOR CONTROLLER E ZER pusca z E e E is E gt Ro y D81 a E ase oie Ena Set P SEI Boe era SI SECH ETI pa ow EAD LO PHASES on e e al 4 E Hee a Bix ses 2 meee so A ECH Jee scht SR 5 Ea EES e ch SE mee c o A c aa 1 super E aper 4 h on L De E SI be GJ o us
52. ng down the two User buttons on the key pad and plugging the AC power cord into the unit 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 8 4 RESPIRONICS Chapter8 Testing REMstar LX and REMstar Plus LX System Final Test Continued Step 2 1001417 Maximum Pressure Test 20 0 cm H O Connect the following e 6 ft Smooth Bor tubing to the outlet port on the unit e Whisper Swivel II to the 6 ft Smooth Bor tubing e Test orifice 60 Ipm 14 4 cm small hole orifice RI P N 622032 to the Whisper Swivel II e Manometer and pressure tubing to test orifice e Occlude test orifice Ensure the unit blower is off Unplug the AC power cord from the unit The green LED will go out Enter the Dealer mode by holding down the two User buttons on the key pad and plugging the AC power cord into the unit The same displays used for the Minimum Pressure Test should be visible Verify the following e the blower is running in the unit and the ramp length is set to a non zero value e the proper altitude setting is indicated on the display Press the left User button twice until the Pressure display appears Press the right User button until 20 appears Verify the pressure on the manometer is 17 75 cm to 22 25 cm H O Verify the watt meter reading is less than or equal to 30 watts Exit the Dealer mode by unplugging the unit or by holding the Blower On Off button down and pressing th
53. nimum 12 volts DC 0 0 20 0 VDC Acceptable Options 0 0 25 0 VAC e Any commercially available battery that meets n the unit s input voltage and current requirements Acceptable Options Fluke 83 or better model e Any commercially available digital multi meter that meets the above specifications A 2 4 Regulated DC Power Supply optional Specifications 12 volts DC 0 5 V output Regulates to 5 amps Acceptable Options e Any commercially available power supply that meets the above specifications 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual A 5 Brus Appendix A Tools and Equipment This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual A 6 RESPIRONICS Appendix B Schematics B 1 Schematic Statement B 2 REMstar LX Main Printed Circuit Assembly PCA E B 3 REMstar Plus LX Main Printed Circuit Assembly POUA dc B 4 Power Supply Printed Circuit Assembly PCA sei Appendix B Schematics 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual B 1 RESPIRONICS Appendix B Schematics 1001417 This page left intentionally blank REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Appendix B Schematics Appendix B Schematics B 1 Schematic Statement Schematics are supplied with this manual in direct support of the sale and purchase of this product The schematics are
54. nits are operating The disposable white ultra fine filter increases filtration of pollens dust some tobacco smoke and small particles The ultra fine filter is included with the systems but is optional and should be used in addition to the pollen filter The ultra fine filter should never be used without the pollen filter Replace the ultra fine filter after 30 nights of use or sooner if it appears dirty DO NOT clean the ultra fine filter CAUTION Failure to replace a dirty filter may cause the devices to operate at higher than normal temperatures and damage the devices 1001417 5 4 1 Removing Cleaning and Replacing the Step 1 Step 2 Step 3 Step 4 Step 5 CAUTION Filters With the air flow turned off disconnect the AC or DC power cord from the back of the unit Remove the filter cap by gently pressing down on the top of the filter cap then pulling it away from the back of the unit Remove the pollen filter by gently pulling the edges of the filter Rinse the filter in a steady stream of running water Squeeze out the water and repeat Allow the pollen filter to air dry on a rack for 8 to 12 hours or in a clothes dryer for 15 to 20 minutes If you are using the white ultra fine filter remove the ultra fine filter if it appears dirty and discard Replace with a new filter Make sure the filter is lying flat Place the pollen filter over the ultra fine filter if used Install the filter s int
55. o the filter area in the back of the unit The pollen filter must be completely dry before use Never place a wet filter into the device Respironics recommends that you clean the filter in the morning and alternate using the two pollen filters provided with the systems to ensure enough drying time for the cleaned filter REMstar LX and REMstar Plus LX CPAP Systems Service Manual 5 4 RESPIRONICS Chapter 5 Routine Maintenance Cleaning Replacing the Intake Filters Continued Step 6 Install the filter cap The opening in the filter cap can be installed in either direction 5 5 REMstar LX and REMstar Plus LX CPAP Systems Preventive Maintenance Schedule The following Preventive Maintenance Schedule lists the items that must be inspected or tested periodically or after service is performed Use the Preventive Maintenance Schedule to record the dates on which the maintenance items are performed You may photocopy the Preventive Maintenance Schedule for each unit serviced 1001417 REMstar LX and REMstar Plus CPAP Systems Service Manual 5 5 RESPIR NICS Chapter 5 Routine Maintenance REMstar LX and REMstar Plus LX CPAP Systems Preventive Maintenance Schedule Continued 5 5 1 REMstar LX and REMstar Plus LX Preventive Maintenance Schedule Factory Recommended Model No Serial No Notification No Maintenance Item Verification Reference Service Interval Record hours of operation Time meter As desired
56. ocontroller chips which read from and write to various I O devices key pad LED motor control circuitry etc With all of this information the main microcontroller makes appropriate decisions so that the blower motor is properly controlled to deliver the desired CPAP therapy in a safe and reliable manner The main microcontroller and other interface circuitry provide closed loop control of the blower motor s speed The blower motor is a three phase brushless DC motor with a permanent magnet rotor and stationary 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual Chapter 3 Specifications Features Description and Theory of Operation coils that are connected in the Y configuration and serve as its stator coils The stator coils are electrically switched or commutated by drive circuits with the power FET transistors Proper timing and sequencing of the stator coil switching is provided by the motor microcontroller which senses the motor s shaft position by monitoring the back EMF voltage in one of the motor s stator coils The main microcontroller also sets the motor speed and consequently the output pressure by varying the voltage which is delivered to the motor It does this by controlling the pulse duty cycle of a switching power supply boost mode on the Main PCA The time meter PCA does not require electrical power from an on board battery to retain time 3 5 3 Power Supply Printed Circuit Assembl
57. osure insert seal Step 4 Installing the Blower Assembly Step 6 a Position the blower to enclosure insert seal in place on the enclosure insert b Align the blower assembly with the holes in the enclosure insert then set the blower assembly in place c Insert and tighten the six screws provided to secure the blower assembly to the enclosure insert The screws securing the blower must be torqued to the numbered sequence in Figure 7 10 The screws should be torqued to a maximum of 6 in lbs Excessive torque may cause the blower impeller to contact the enclosure insert Installing the Outlet Port Install e outlet port See Section 7 4 6 for more detailed instructions on installing the outlet port Installing the Top Enclosure Install e top enclosure e blower cable and power supply PCA cable e three screws See Section 7 4 3 for more detailed instructions on installing the top enclosure 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 31 RESPIR NICS Chapter 7 Repair amp Replacement 7 4 8 Power Supply Printed Circuit Assembly Power Supply PCA AC Inlet Fuse Drawer Replacement Replacement Part Number 622265 Included in Kit Tools Required Power supply PCA Phillips screwdriver medium 6 13 x 3 8 screw x2 Procedure Removed Installed During Process e Top enclosure e Power supply PCA WARNING Electrical shock hazard Disconnect the electrical supply
58. ower Supply PCA at the back of the DC con e If 12 VDC supply is OK nector mounted on the replace Main PCA Main PCA If DC voltage is below 11 5 VDC replace or recharge DC source If there is no DC measured at the Power Supply PCA then check DC adapter cord for continuity Loose screws Inspect for any loose screws Tighten any loose screws Missing or damaged bottom Turn unit over and inspect e If bottom strip is missing strip on bottom of unit blower the bottom for missing or replace bottom strip malfunctioning damaged bottom strip e Replace blower 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 7 RESPIRONICS Chapter 6 Troubleshooting and Diagnostics Troubleshooting Table Continued Outlet Air Temperature The outlet air temperature is too warm 1001417 Airborne residue Tubing smells new Units smells new Blower Power Supply PCA Unit too close to external heat source Visually inspect patient tubing for contamination Monitor the outlet air tem perature at the end of the six foot tubing A rise in temperature can be expected Ensure the unit is not next to any heat source greater than 18 F above room temperature and is not in an enclosed environment To clear residue build up from contaminates replace all subas semblies in the patient air stream blower filters patient circuit Run unit in a clean environment for a few hours to eliminate new s
59. particles The filter cap can be positioned to direct the air flow away from your bedside Includes User buttons LED signal light time meter REMstar Plus LX only and 2 digit LED display The green light signals when the units are ready for use The light will go out when the air flow is turned on A flashing light signals that the units need to be serviced 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 3 6 RESPIRONICS System Features Continued Power Corina cats TEC 320 Style Ramp Button ooconcnnccnnnncncononnninaninninninnnncnn This button initiates a ramp cycle which incrementally and automati cally increases the pressure Records hours of operation Displays pressure and altitude setting These buttons Blower On Off and Ramp can be used in combination to enter the Dealer mode functions 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual Chapter 3 Specifications Features Description and Theory of Operation 3 4 Functional Description The REMstar LX and REMstar Plus LX are microprocessor controlled Continuous Positive Airway Pressure CPAP devices that produce positive pressure The units operate in the CPAP mode This mode delivers continuous positive airway pressure maintaining a constant level of pressure throughout the breathing cycle CPAP mode pressure range in AC and DC operation 4 0 20 0 cm H O Integral to the generation of air flow
60. power supply PCA e six screws See Section 7 4 8 for more detailed instructions on installing the power supply PCA Installing the Blower Assembly Install e blower assembly e SIX screws See Section 7 4 7 for more detailed instructions on installing the blower assembly Installing the Outlet Port Install e outlet port See Section 7 4 6 for more detailed instructions on installing the outlet port 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 37 Chapter 7 Repair amp Replacement RESPIRONICS Enclosure Insert Replacement Continued Step 11 Installing the Main PCA Install e main PCA two Tinnerman fasteners See Section 7 4 4 for more detailed instructions on installing the Main PCA Step 12 Installing the Top Enclosure Install e top enclosure e blower cable and power supply PCA cable e three screws See Section 7 4 3 for more detailed instructions on installing the top enclosure 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 38 KON Chapter 8 Testing Chapter 8 Testing S L Testing PROCESS siria 8 3 8 2 REMstar LX and REMstar Plus LX System AA A 8 3 Sr UA Eege eeEeh 8 6 8 4 Post Testing Pressure Setup 10 0 E sacan genee 8 7 8 5 REMstar LX and REMstar Plus LX System Final Test Data Sheet scecucsicncsaaessacencsadoennades 8 8 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 8 1 A Chapter Testing
61. r Plus LX CPAP Systems Service Manual 8 3 Chapter8 Testing RESPIRONICS REMstar LX and REMstar Plus LX System Final Test Continued DC Power Cord RI P N 1001956 b Verify the following Battery Cable Adaptor RI P N 532209 e the blower is running in the unit and 6 ft Smooth Bor Tubing RI P N 301016 e the proper altitude setting is indicated on the display Used for optional DC testing only c Press the left User button twice until the Pressure display Equipment Setup appears e Place the O enrichment port onto the outlet port d Press the right User button until 4 is visible e Place the test orifice 60 LPM 3 4 cm large hole e Occlude the test orifice Verify the pressure on the manom orifice RI P N 622032 onto the O enrichment port eter is 3 0 cm to 5 0 cm H O e Connect the manometer to the test orifice using pressure NOTE Allow about 20 30 seconds for the pressure to tubing stabilize e Occlude the test orifice f Unocclude the test orifice Verify that the 60 LPM E 3 4 cm orifice large hole orifice is within the range of 3 4 e Connect the AC power cord to the watt meter but do not 5 0 cm HO pressure d j connect to the unit at this time g Subtract the open flow pressure reading unoccluded from Procedure the occluded pressure reading This difference should be less than or equal to 1 0 cm H O Step 1 Minimum Pressure Test 4 0 cm H O a Enter the Dealer mode by holdi
62. r Swivel II Exhalation Port or Respironics mask w integrated exhalation port such as the Monarch Mini Mask e Respironics 6 ft 1 83 m Flexible Tubing Assembly reusable or lightweight e Respironics Headgear or Softcap not shown Whisper Swivel Il Flexible Tubing Assembly Figure 4 2 Unit with Circuit 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 6 Chapter 4 System Setup Procedures RESPIRONICS Recommended Alternate and Optional Circuit Accessories Continued 4 3 2 Alternate and Optional Circuit Accessories The Respironics alternate accessories listed in Table 4 1 can be used in place of the recommended accessories The optional accessories can be added to the patient circuit Refer to Table 4 1 for changes in the pressure flow characteristics when using these accessories Table 4 1 Patient Circuit Accessory Pressure Flow Characteristics Pressure Drop 30 lpm cm H O Pressure Drop 60 Ipm cm H O Recommended Patient Circuit Nasal Mask disposable reusable 0 03 0 09 GoldSeal Nasal Mask reusable 0 03 0 09 Monarch Mini Mask 0 20 0 77 Whisper Swivel II reusable 0 02 0 08 6 ft 1 83 m Reusable Flexible Tubing 0 11 0 30 Alternate Accessories Spectrum Disposable Full Face Mask 0 04 0 10 Plateau Exhalation Valve reusable 0 05 0 20 6 ft 1 83 m Disposable Circuit amp Exhalation Port 0 20 0 34 Optional Accessories Respironics Oasis
63. ree screws See Section 7 4 3 for more detailed instructions on d Using a rubbing motion press the key pad firmly onto the installing the top enclosure top enclosure 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 25 RESPIR NICS Chapter 7 Repair amp Replacement 7 4 6 Outlet Port Replacement Replacement Part Number 1000827 Included in Kit Tools Required Outlet port Phillips screwdriver medium Procedure Removed Installed During Process e Top enclosure e Outlet port WARNING Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to the devices CAUTION Electronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in an antistatic ESD protected environment Outlet Port 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 26 A Chapter 7 Repair amp Replacement Outlet Port Replacement Continued Step 1 Removing the Top Enclosure Remove e three screws e blower cable and power supply PCA cable e top enclosure See Section 7 4 3 for more detailed instructions on removing the top enclosure Step 2 Removing the Outlet Port a Remove the outlet port from the blower outlet by lifting upwards until the outlet port clears the bottom enclosure and pulling it straight out from the blower Figure 7 9 Removing the Outlet
64. rom the REMstar LX and REMstar Plus LX so that the patient can fall asleep at a lower more comfortable pressure at any time or as many times as needed during the night WARNING The units are intended to deliver CPAP therapy only Air Flow gees On Ramp Button Therapy a Pressed Pressure Minimum Ramp Pressure 0 cm H20 Ramp Time Minutes Figure 3 1 Ramp Operation 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual Chapter 3 Specifications Features Description and Theory of Operation They are not intended for life support or life sustaining applications The following sections describe the major components of the REMstar LX and the REMstar Plus LX and their basic theory of operation Ramp Settings The minimum ramp pressure is factory set at 4 cm H O and cannot be changed The ramp time can be set from 0 to 45 minutes 5 minute increments The first time the ramp button is pressed the pressure will reduce to 4 cm H O and then increase in a linear fashion over the set time period until the pressure setting is reached After the first activation each subsequent ramp will be for one half of the set ramp time The blower must be turned off with the Pressure On Off button and then back again to reset the ramp to the full time a To view the ramp time setting enter the system set up by simultaneously holding the ramp and pressure on off buttons down while plugging the power cord into
65. s This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 2 Chapter 4 System Setup Procedures RESPIRONICS Chapter 4 System Setup 4 2 System Setup Dealer Mode Procedures Step 1 If installed remove the protective cap from the air outlet Install the test orifice RI P N 622032 onto the unit outlet 4 1 Overview Step 2 Plug the male end of the AC power cord into an electrical outlet This section provides an overview of the system setup including detailed required alternate and optional circuit accessories See Chapter 5 Step 3 Simultaneously press the two User buttons and plug the Routine Maintenance for filter and filter cap installation instructions female end of the AC power cord into the AC inlet on the back of the unit Hold the two User buttons d to ent If the REMstar LX and REMstar Plus LX CPAP pae ee Systems REMstar LX and REMstar Plus LX have been p to P very hot or very cold tempera Figure 4 1 tures allow them to adjust to EE temperature ap Key Pad Features LED proximately two hours before beginning setup Si l igna REMstar Plus LX Light Time Meter os REMstar Plus 2 Digit LED LX only E MBE Display RESPIRONICS INC Pressure Ramp Length and Blower Altitude On Off Read out Button Ramp Button 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 3 Chapter 4 System Setup Procedur
66. setup or use System setup should be performed by appropri ate personnel using Home Care Dealer Instructions 2 3 NOTES Refer to the REMstar LX and REMstar Plus LX User s Manual for product use additional warnings cautions and notes Additional WARNINGS CAUTIONS and NOTES are located through out this manual REMstar LX and REMstar Plus LX CPAP Systems Service Manual 2 5 re Ncs Chapter 3 Specifications Features Description and Theory of Operation Chapter 3 Specifications Features Description and Theory of Operation eh ONO pastas 3 3 3 2 Specifications di 3 4 33 System ESTOS ii 3 6 3 4 Functional Description oooocccnnccccnonocccnnonancnon 3 7 3 5 Theory of Operation eiii 3 9 3 6 Block Diagram ts 3 10 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 3 1 re Ncs Chapter 3 Specifications Features Description and Theory of Operation This page left intentionally blank 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 3 2 Chapter 3 Specifications Features Description and Theory of Operation RESPIRONICS Chapter 3 Specifications Features Description and Theory of Operation 3 1 Overview This chapter describes the REMstar LX and REMstar Plus LX CPAP Systems REMstar LX and REMstar Plus LX specifications and system features and provides a functional description and theory of operation of the units 1001417 REMstar LX and REMstar Plus LX CPAP Syste
67. ssary to troubleshoot and diagnose problems with the REMstar LX and REMstar Plus LX CPAP Systems It provides a summary of common system problems as well as a flowchart and table to simplify the troubleshooting process 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 3 RESPIR NICS Chapter 6 Troubleshooting and Diagnostics 6 2 Troubleshooting Flow Chart Problem Reported Attempt to Verify Problem by e Visual Inspection e Operate Unit 8 Observe Behavior e Perform a specific test e Use Manometer to Verify Pressure Problem Not Found Follow Troubleshooting Problem Found Table Section 6 3 Problem Not Found Substitute Known Good Parts Problem Found if available Problem Not Found 4 Problem Found y Perform System Final Repair per Procedures Test in Chapter 8 in Chapter 7 Problem Not Found y Run Unit for gt Ge Minimum 1 Hour Y Perform System Final Test in Chapter 8 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 6 4 Chapter 6 Troubleshooting and Diagnostics RESPIRONICS 6 3 Troubleshooting Table Indicator e Key pad Check connection between the Check for secure connection LED or other indicator not key pad ribbon cable and the of ribbon cable connector e Interface cable loose Main PCA working d e Replace Main PCA Main PCA Check connection between Main
68. star Plus LX CPAP Systems Service Manual 7 20 Chapter 7 Repair amp Replacement RESPIRONICS Main PCA Replacement Continued e Step 1 Removing the Top Enclosure A ee Tinnerman Fasteners retaining ring Remove e three screws e blower cable and power supply PCA cable e top enclosure A WINI WIN A See Section 7 4 3 for more detailed instructions on removing the top enclosure Step 2 Removing the Main PCA a Place the top enclosure on a protected work surface and carefully turn it over exposing the underside b Using side cutters remove the Tinnerman retaining ring fasteners c Move the Main PCA locking tabs away from the Main PCA then lift the Main PCA straight up from the top enclosure Figure 7 7 Removing the Main PCA 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 21 RESPIR NICS Chapter 7 Repair amp Replacement Main PCA Replacement Continued Step 3 Installing the Main PCA a Align the Main PCA with the four mounting posts and gently press into the top enclosure until the locking tabs snap into place Note that the ribbon cable side of the Main PCA must point towards the back of the top enclo sure b Secure the Main PCA with the two new Tinnerman fasteners Step 4 Installing the Top Enclosure Install e top enclosure e blower cable and power supply PCA cable e three screws See Section 7 4 3
69. t time the ramp button is pressed the pressure will reduce to 4 cm H O and then increase in a linear fashion over the set time period until the pressure setting is reached After the first activation each subsequent ramp will be for one half of the set ramp time The blower must be turned off with the Pressure On Off button and then back again to reset the ramp to the full time a To view the ramp time setting enter the system set up by simultaneously holding the ramp and pressure on off buttons down while plugging the power cord into an electrical outlet Release the button when the unit turns on b The airflow will automaticaly turn on and the display screen will show the current elevation setting c Press and release the on off button to view the ramp setting d To change the ramp time setting press and release the ramp button until the correct setting is displayed 4 2 4 Setting the Pressure The pressure may set without the use of a manometer The manometer is only needed if pressure accuracy is suspect If pressure accuracy needs checked follow steps a g a Connect the following 1001417 s 6 ft Smooth Bor tubing to the outlet port on the unit e Whisper Swivel II to the 6 ft Smooth Bor tubing e Test orifice 60 Ipm 14 4 cm RI P N 622032 to the Whisper Swivel II e Manometer and pressure tubing to test orifice e Occlude test orifice Ensure the blower is off Unplug the AC power cord from the unit
70. tailed instructions on f Return the unit to its upright position installing the Main PCA Step 6 Installing the Top Enclosure a Ensure that the outlet port is still properly seated in the bottom enclosure b While holding the top enclosure slightly above the unit align the blower cable and power supply PCA cable connectors with their receptacles on the Main PCA Press the connectors into their receptacles until completely seated c Align the top enclosure with the bottom enclosure then set it in place NOTE Ensure that the outlet port is still properly seated in the bottom enclosure 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 19 Chapter 7 Repair amp Replacement RESPIRONICS 7 4 4 Main Printed Circuit Assembly Main PCA Replacement REMstar LX Replacement Part Number 1000830 REMstar Plus LX Replacement Part Number 1001414 Included in Kits Tools Required Main PCA Phillips screwdriver medium Tinnerman fastener x2 Side cutters Retaining ring Procedure Removed Installed During Process e Top enclosure Main PCA Electrical shock hazard Disconnect the electrical supply before attempting to make any repairs to the devices CAUTION Electronic components used in these devices are subject to damage from static electricity Repairs made to these devices must be performed only in an antistatic ESD protected environment Main PCA 1001417 REMstar LX and REM
71. tem REMstar LX 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 A 3 REMstar LX Main Printed Circuit Assembly PCA ssssseeeeeeeseeeeseeee B 4 REMstar Plus LX CPAP System REMstar Plus LX 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 A 3 REMstar Plus LX Main Printed Circuit Assembly DCA B 6 Ronan Testi ada ias 8 6 1001417 S Schematic Statement Self Diagnosti Testi aid Setting Pressure Specifications Altitude Compensation Electrical Time Meter REMstar Plus LX Ont Supplies System Cleaning System Final Test System Final Test Data Sheet System Power Up T Technical Support Test Equipment Acceptable incite EAR Test Onis teed denen ttle deviate hted Time Meter ua Top Enclosure Replacing REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS Index Index Continued Total Blower Time cuina edad 5 3 Total Operating Time REMstar Plus LX Only oo eects 5 3 Troubleshooting Flow Chart 6 4 Troubleshooting Table 6 5 W Ke 7 9 EEN 2 4 Operational ninia iad clini ania 2 3 e EE 2 3 UV iii ibn 2 4 KE GE ET A 3 Specifications naeris reinosta E E a Ee indice A 4 World Wide Web 1 4 7 3 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual I 4 E RESPIRONICS INC 1001 Murry Ridge Lane Murrysville Pennsylvania 15668 8550 USA RESPIRONICS Deutschland Gewerbestrasse 17 D 82211 Herrsching Germany 0123 1001417 BG 01 01 1999
72. tems Repair Kits Continued Replacement Part Replacement Part No Key Pad REMstar Plus LX 1001415 Main Printed Circuit Assembly Main PCA 1000830 REMstar LX Includes Main PCA e Tinnerman fastener x2 Main Printed Circuit Assembly Main PCA 1001414 REMstar Plus LX Includes Main PCA e Tinnerman fastener x2 Mounting Plate REMstar LX and REMstar Plus LX 622252 Includes Mounting plate e 6 13 x 3 8 screw x4 O Enrichment Port used for testing 312010 Outlet Port 1000827 Includes Outlet port 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 7 7 Chapter 7 Repair amp Replacement RESPIRONICS REMstar LX and REMstar LX CPAP Systems Repair Kits Continued Replacement Part Replacement Part No PageNo y Power Supply Printed Circuit Assembly 622265 Power Supply PCA Includes Power supply PCA e 6 13 x 3 8 screw x2 REMstar LX and REMstar Plus LX Service Manual 1001416 Test Orifice used for testing 622032 Top Enclosure 1000829 Includes Top enclosure e 8 11 x 3 4 screw x3 e Tinnerman fastener x2 Comments Illustration is shown on page 7 4 e All items have a quantity of one unless otherwise specified e Part replacement procedures are detailed within this chapter e Assorted tubing cables and hardware are supplied with each Replacement Kit Note 1 Contact Respironics International Customer Service for furth
73. tes Chapter 2 Warnings Cautions and Notes WARNING Indicates the possibility of injury to the patient opera tor or technician CAUTION Indicates the possibility of damage to the devices NOTE Places emphasis on an operating characteristic 2 1 WARNINGS 2 1 1 Safety e These devices are intended for adult use only e These devices are not intended for life support or life sustaining applications The instructions in this manual are not intended to supersede established medical protocols 2 1 2 Operational This warning applies to most Continuous Positive Airway Pressure CPAP devices At low CPAP pressures the air flow through the exhalation port may not be enough to clear all of the exhaled gas CO from the mask You may breathe in some of the air that you have exhaled Under certain conditions the temperature of the air flow from these devices can be as much as 18 F 10 C higher than the air temperature in the room Caution should be exercised if the room temperature is warmer than 90 F 32 C If oxygen is used with these devices the oxygen flow must be turned off when the devices are turned off If the air flow is turned off and the oxygen flow is left on oxygen may accumulate in the REMstar LX and REMstar Plus LX CPAP Systems enclosure and may create a risk of fire This warning applies to most types of CPAP devices When supplemental oxygen is used at a fixed flow rate inhaled oxygen
74. vides instructions for performing a Run in Test for the REMstar LX and REMstar Plus LX The units will run for one hour at specified parameters to qualify the units after servicing Use the System Final Test Data Sheet in Section 8 5 to record test results Equipment Test Orifice 60 LPM 14 4 cm small hole RI P N 622032 Equipment Setup e Place test orifice onto the outlet port of the unit Procedure Step 1 Enter the Dealer mode by holding down the two User buttons on the key pad and plugging the AC power cord into the unit Step 2 While in the Dealer mode set the CPAP pressure to 10 0 cm H O Exit the Dealer mode by unplugging the unit or by holding the Blower On Off button down and pressing the Ramp button once Step 3 REMstar Plus LX only Record the initial blower hours xxxxx x hours on the data sheet See Section 8 5 8 6 Chapter8 Testing RESPIRONICS Run in Test Continued 8 4 Post Testing Pressure Setup Step 4 Ensure a filter s and filter cap are installed in the units 10 0 cm HO Step 5 Ensure that the test orifice 60 LPM 14 4 cm small Procedure hole orifice RI P N 622032 is unoccluded Step 1 Connect the following Step 6 Turn the unit on by pressing the Blower On Off button 6 ft Smooth Bor tubing to the outlet port on the unit Step 7 Run in for a minimum of 1 hour e Whisper Swivel II to the 6 ft Smooth Bor tubing 8 3 1 Post Run in Test Test orifice 60 Ipm 14 4 cm
75. vour f 2 640445 2 AMP HEADER 2 PIN MALE STRAIGHT WHITE 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual RESPIRONICS C Index ELE D E 2 5 7 9 Circuit Accessories A ee Ee eEe 4 7 A Optional ados 4 7 REQUIRED voii ii 4 6 Accessories Continuous Positive Airway Pressure CRAP 1 3 2 3 3 7 Altea ini AST Re Mode ii id eee ncatan lies 1 3 DO POWE EE 4 8 Optional iinet ear eed aaa 4 7 D Ee E E 4 6 Altitude DC Battery Adapter Cable cocos sirio escarnio coin sn 4 8 SM iii idad 4 4 DC Power Cord ee 4 8 6 7 DC Power Supply B Resta diia daa aa A 5 Digital Manometer Battery Specifications bit aan A 4 1 a ae a em eee en ere een or A 5 Digital Multimeter Specifications ee A 5 Specifications A 5 Battery Cable Adapter cccccccccccsssscscscsssscscscsesececseseseceeseseesecseseseeees A 3 EI KE 6 5 Block Diagraiti nom ota 3 10 Blower Assembly E A correre erore rE ran EEE TEE e IRE AEs Er rE ini 7 30 Bottom Enclosure Enclosure Insert Replacing iii 7 14 7 15 A vars oneco E a EEE E OEEO ES 7 36 Bottom Strip F AN A EEAE EE EE 7 12 Filter Cap REMOVING nro proa 5 4 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual Li RESPIRONICS Index Index Continued Filters CICAME Ehe 5 4 Disposable canon loas 5 4 Pollen 5 4 A en aE E E E sais EE 5 4 Replacing cositas 5 4 IT 5 4 Ultrafine oooooccccnnonoconononcnonononoonnncnnonnnnononnnnonnnnononn
76. y Power Supply PCA The REMstar LX and REMstar Plus LX is operational over the input voltage ranges of 100 120 VAC 50 60 Hz 230 240 VAC 250 60 Hz or 11 17 VDC A patient accessible voltage selector switch is provided for 115 and 230 volt selection A DC jack is provided for 11 17 VDC operation 3 9 RESPIRONICS Chapter 3 Specifications Features Description and Theory of Operation 3 6 Block Diagram Ambient 5 SC H Blower SS Air GR Assembly Circui ircuit Mains 115 230 em Micro Controller l Main Micro Controller Se AC Inlet LED REMstar LX Display REMstar Plus LX Main PC Board Time Voltage Meter S Plus Model Only Switch EE Prom Power DC Key Supply PCA Jack RE Mstar LX REMstar Plus LX Power Supply PCA REMstar LX REMstar Plus LX Main PCA Board 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 3 10 Chapter 4 System Setup Procedures RESPIRONICS Chapter 4 System Setup Procedures 4 1 ON ee 4 3 42 System SUID daa 4 3 4 3 Required Alternate and Optional Circuit ACCESSOTIES ccooocccccnoncnncnoninccononaninnnno 4 6 1001417 REMstar LX and REMstar Plus LX CPAP Systems Service Manual 4 1 RESPIR NICS Chapter 4 System Setup Procedure
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