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DeVilbiss 525DS Service Manual

5-liter compact oxygen concentrator
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CAUTION-Federal (U.S.A.) law restricts this device
to sale by or on the order of a physician.
5-l
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Service Manual
Danger – no SMoking
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xygen
onCentrator
For Product
Numbers:
525DS
525KS

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  Summary of Contents for DeVilbiss 525DS

  • Page 1 ® iter ompaCt xygen onCentrator Service Manual Danger – no SMoking For Product Numbers: 525DS 525KS CAUTION-Federal (U.S.A.) law restricts this device to sale by or on the order of a physician.
  • Page 2: Table Of Contents

    T a B l e o F c o n T e n T S general inForMaTion Introduction ...................................... 3 Important Safeguards ..................................3 Safety Precautions and General Warnings ............................3 unPacking anD SeTuP Initial Inspection ....................................4 Patient Setup ....................................4 Operating Instructions..................................
  • Page 3: General Information

    Respiratory Technical Service Department at 1-800-338-1988 (814-443-4881). noTe– DeVilbiss reserves the right to alter or change the design of the DeVilbiss Oxygen Concentrator series. Hence, slight differences in construction or components may exist between the unit in hand and what is described in this manual.
  • Page 4: Unpacking And Setup

    It is suggested that an initial inspection be performed upon receiving the oxygen concentrator. After removing the DeVilbiss Oxygen Concentrator from the carton, examine it for any external damage. If shipping damage has occurred, contact the DeVilbiss Customer Service Department at 1-800-338-1988 (814-443-4881) for specific instructions. Save the carton for possible later return;...
  • Page 5: Operating Instructions

    Remove the power cord completely from the strap. Make sure the power switch is in the “Off” position. 115 volt units– Insert the plug into an electrical outlet. The DeVilbiss Oxygen Concentrator uses a two-prong polarized plug and is double- insulated to protect against electric shock.
  • Page 6: Patient Alert System

    Do not attempt to operate the unit without the air filter or while the filter is still damp. noTe–  T heairfiltershouldbemonitoredmorecloselyinenvironmentswithabnormalamountsofdustandlint. cauTion– OperationoftheDeVilbissOxygenConcentratorinextremeenvironmentsorwithouttheairfilterwillprematurelyoccludethe intakebacteriafilterandcauseadecreaseintheunitperformance. exterior cabinet The patient should clean the concentrator exterior cabinet by using a damp cloth or sponge with a mild household cleaner and wiping it dry.
  • Page 7: Periodic Homecare Provider Preventative Maintenance

    PerioDic HoMecare ProviDer PrevenTaTive MainTenance Every DeVilbiss Oxygen Concentrator is tested at the factory. To assure continued trouble-free performance, the following preventative maintenance should be performed by the homecare provider during periodic oxygen patient visits. Failure to properly maintain the unit will void the warranty.
  • Page 8: Troubleshooting

    The DeVilbiss Oxygen Concentrator operates on a timed cycle. The cycling is controlled by the PC board. The PC board will send voltage to the valve causing it to shift and alternately pressurize the sieve beds.
  • Page 9: Simplified Troubleshooting

    T r o u B l e S H o o T i n g SiMPliFieD TrouBleSHooTing The key to simple troubleshooting is to recognize which type of problem exists and select the most effective approach to solving the problem. The different types of problems and the approaches for solutions are as follows: Type i—The unit runs but a low pressure and flow or high pressure condition exists.
  • Page 10: Troubleshooting Chart A

    T r o u B l e S H o o T i n g TrouBleSHooTing cHarT a visible alarm audible alarm compressor Power light other Symptoms Possible cause Possible remedy Pulsating air noise Intake filter not in place or defective Check filter and replace if necessary Compressor intake hose disconnected Reconnect hose...
  • Page 11: Troubleshooting Chart B

    T r o u B l e S H o o T i n g TrouBleSHooTing cHarT B visible alarm audible alarm compressor Power light Blinking Pulsing other Symptoms Possible cause Possible remedy Fan off Line cord not properly installed or defective Insert plug in receptacle or replace line cord.
  • Page 12: Troubleshooting Chart E

    T r o u B l e S H o o T i n g TrouBleSHooTing cHarT e visible alarm audible alarm compressor Power light other Symptoms Possible cause Possible remedy Fluctuating or no flow System pressure below 9 psi (62.1 kPa) due to: 1.
  • Page 13: Component Testing, Repair, And Replacement

    ProPer rePair ProceDureS The DeVilbiss Oxygen Concentrator is designed for ease of service. To aid service personnel, a Service Kit (part #444-501) is available which contains the necessary gauges, tools, and testing instruments to properly service the oxygen concentrator. On parts that are sold separately, the part number is indicated in parenthesis.
  • Page 14: Cabinet Removal

    A defective capacitor will result in the compressor running slower or not starting. To loosen the bib (Figure 11): cauTion– The525DSconcentratorsuseaGSEcompressorwith Remove the two screws (located directly above the hour meter) that a22mfdcapacitor.Ifreplacementisnecessary,be hold the bib to the unit’s internal structure.
  • Page 15: Compressor

    If the filters are not occluded and no leaks are found, the compressor must then be removed and repaired or replaced. The DeVilbiss Oxygen Concentrator uses a double-head, oil-free To remove the compressor: compressor. The compressor is secured to the base with four motor mounts.
  • Page 16: Cooling Fan

    (exception: +0%,-5% at 5 lpm). The flow meter on the Reconnect hose to the compressor intake fitting. DeVilbiss Oxygen Concentrator is designed for use at 8.5 psi (58.6 kPa) at flow rates up to 5 lpm. Position compressor on the base of the unit so that the studs on the motor mounts protrude through the holes in the base of the unit.
  • Page 17: Molecular Sieve Beds

    (58.6 ± 5.9 kPa) with gauge outlet blocked, adjustment to the cauTion– Do not apply leak test solution to any part of the rotary pressure regulator may be required. If so, call DeVilbiss Service valve or the main PC Board assembly.
  • Page 18: Printed Circuit Board (Pc Board)

    The printed circuit (PC) board is responsible for monitoring and Orange Yellow or White 12 VDC controlling the DeVilbiss Oxygen Concentrator. Orange Gray 5 VDC The PC board has preset alerts for low flow and power failure. Should...
  • Page 19: Figures, Diagrams, And Views

    F i g u r e S , D i a g r a M S , a n D v i e W S FigureS, DiagraMS, anD vieWS inDex exterior views - The following figures show the exterior of the Devilbiss 5-liter compact concentrators. Figure 1 Front...
  • Page 20 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 1 - exterior Front view Service required Power light oSD indicator lights light (red) (green) Serial number label...
  • Page 21 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 2 - exterior rear view cabinet Screws caution/ Warning label Filter Door Filter communication Port cover electrical rear...
  • Page 22 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 3 - exterior Side view Front Cover Rear Cover Cabinet Screw Power Cord Strap Power Cord Caster Exhaust Grill...
  • Page 23 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 4 - Front with cover removed Service required light (red) Serial number label light Panel oSD indicator Power light...
  • Page 24 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 5 - interior, Front view Pc Board Pressure regulator accumulator Tank right Sieve Bed left Sieve Bed Sieve Bed cable Ties...
  • Page 25 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 6 - interior, Front lower view Fixed orifice 1/8” iD Hose check valves Bib Mounting Slot Sieve Bed cable Tie...
  • Page 26 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 7 - interior, Front upper view accumulator Pc Board Tank communication Harness 1/8” iD Hose circuit Breaker &...
  • Page 27 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 8 - Pc Board valve Wire Hour Meter Harness connector connector communication Harness connector alert capacitor Fuse...
  • Page 28 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 9 - interior, Top view intake Hour Bacteria Meter Filter Pc Board Pressure regulator 1/8”...
  • Page 29 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 10 - interior, Behind Bib Final Bacteria Plastic Filter elbow Power Switch 1/8” iD Hose Flow Meter...
  • Page 30 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 11 - interior rear view Bib Screws Pressure regulator accumulator intake Tank Bacteria Filter communication Port compressor...
  • Page 31 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 12 - interior, rear lower view grommet intake Silencer ladder clamps 1/2” iD Braided Hose Pressure relief...
  • Page 32 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 13 - compressor Housing - rear view exhaust Muffler ladder clamp compressor Housing 1/2” iD Silicone Hose Thermostat...
  • Page 33 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 14 - interior, Base view cooling Fan guard compressor Mounting Supports cooling Mounting Screw Power cord connector compressor...
  • Page 34: Other Figures

    F i g u r e S , D i a g r a M S , a n D v i e W S Figure 15 - gSe compressor intake Fitting Head Screw Pressure relief valve exhaust Fitting Motor Mount electrical connector...
  • Page 35 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 15a - gSe compressor With Head removed rod (beneath Spacer cup retainer) Sleeve cup Seal rod Screw retainer valve Plate...
  • Page 36 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 16 - rotary valve Stepper Motor left Sieve right Bed Fitting Sieve Bed Fitting valve Wire Harness Front View...
  • Page 37: Pneumatic And Wiring Diagrams

    F i g u r e S , D i a g r a M S , a n D v i e W S Figure 17 - Pneumatic Diagram LT-2023...
  • Page 38 F i g u r e S , D i a g r a M S , a n D v i e W S Figure 18 - Wiring Diagram LT-2023...
  • Page 39: Warranty Information

    (typically the healthcare provider). This warranty is limited to the Buyer of new equipment purchased directly from DeVilbiss, or one of its Providers, Distributors, or Agents. DeVilbiss’s obligation under this warranty is limited to (1) product repair (parts and labor) at its factory or at an Authorized Service Center or (2) supplying a replacement for component part(s).
  • Page 40: Ordering Information And Parts List

    OF WARRANTY AND NOT ON A REBUILT/EXCHANGE PROGRAM DO NOT HAVE TO BE RETURNED TO THE FACTORY. Before returning parts or units to the factory, call the DeVilbiss Healthcare Customer Service Department (800-338-1988) or (814-443-4881) to obtain a return authorization number. Include in the package a note indicating the return authorization number along with your company name, address, phone number, and account number.
  • Page 41: Parts List

    D e r i n g i n F o r M a T i o n a n D P a r T S l i S T accessories Bubble Humidifier HUM16 Cannula CAN00 Cannula w/2.1m (7 ft) tubing CAN70 Casters, Locking 525DS-603 Fitting, Straight Hum. Adapter 444-506 Low Output Flow Meter 515LF-607 Oxygen Analyzer O2ANA Oxygen Outlet Connector - Plastic CN100...
  • Page 42 D e r i n g i n F o r M a T i o n a n D P a r T S l i S T components (continued) 525DS 525kS Fittings Accumulator Tank “Tee” 444-582...
  • Page 43: Specifications

    *noTe –TheOSDperformanceat5°Cto40°C,95%R.H.throughvoltagerangeonthe525DSverifiedat670m. noTe –Turn-downmodemayceaseat0.5LPMifalowoutputflowmeterisnotbeingused. Specifications subject to change without notice DeclaraTion oF conForMiTy SafetyStandardsApplied: EN 60601+A1+A2 Manufacturer: Sunrise Medical dba DeVilbiss Healthcare ISO8359: 1996 Respiratory Products Division Address: 100 DeVilbiss Drive EN 60601-1-2 Somerset, PA 15501-2125 USA EMCComplianceTo: ProductDesignation: Oxygen Concentrator AuthorizedRepresentative: Sunrise Medical Ltd.
  • Page 44 Fax: +49-621-178-98-220 Fax: +44-1384-446628 www.DeVilbisshc.com www.DeVilbisshc.com DeVilbiss Healthcare LLC • 100 DeVilbiss Drive • Somerset, PA 15501 • USA 800-338-1988 • 814-443-4881 © 2008 DeVilbiss Healthcare 03.08 DeVilbiss Healthcare is a division of Sunrise Medical HHG, Inc. LT-2023 Rev. A...

This manual is also suitable for:

525ks