DeVillbiss Air Power Company 525DS Service Manual
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DeVillbiss Air Power Company 525DS Service Manual

5-liter oxygen concentrator
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D
V
5-l
®
e
ilbiss
CAUTION
Federal (U.S.A.) law restricts this device to sale by or on the order of a physician.
O
iter
xygen
s
M
erViCe
anual
DANGER – NO SMOKING
C
OnCentratOr
MODEL 525DS
MODEL 525DS-Q
MODEL 525KS
MODEL 525KS-LT
MODEL 525PS

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Summary of Contents for DeVillbiss Air Power Company 525DS

  • Page 1 ® ilbiss iter xygen OnCentratOr erViCe anual DANGER – NO SMOKING MODEL 525DS MODEL 525DS-Q MODEL 525KS MODEL 525KS-LT MODEL 525PS CAUTION Federal (U.S.A.) law restricts this device to sale by or on the order of a physician.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS GENERAL INFORMATION FIGURES, DIAGRAMS AND PARTS LIST Introduction ..................... 3 525DS Unit - Serial #F & 525DS / 525DS-Q Units - Serial #J Symbol Definitions .................. 3 (115V Units) ..................27 Important Safeguards ................4 525DS Unit - Serial #N & 525DS-Q Unit - Serial #R UNPACKING AND SETUP (115V Units with Auxiliary Oxygen Port) ..........

  • Page 3: General Information

    GENERAL INFORMATION INTRODUCTION This service manual was designed to provide DeVilbiss Healthcare qualified service technicians and homecare providers with the proper maintenance, service, safety, and repair procedures for the DeVilbiss Oxygen Concentrator. Read and understand all the information contained in this service manual before attempting to operate or perform any maintenance on the concentrator. An oxygen concentrator is a device that delivers highly concentrated oxygen for therapeutic applications.

  • Page 4: Important Safeguards

    GENERAL INFORMATION IMPORTANT SAFEGUARDS Read this entire guide before using your DeVilbiss concentrator. Important safeguards are indicated throughout this guide. Pay special attention to all safety information. Imminently and potentially hazardous information is highlighted by these terms: DANGER Indicates an imminently hazardous situation which could result in death or serious injury to the user or operator if not avoided. WARNING Indicates a potentially hazardous situation which could result in death or serious injury to the user or operator if not avoided.
  • Page 5 GENERAL INFORMATION WARNING • If you feel discomfort or are experiencing a medical emergency while undergoing oxygen therapy, seek medical assistance immediately to avoid harm. • Geriatric, pediatric or any other patient unable to communicate discomfort can require additional monitoring and/or a distributed alarm system to convey the information about the discomfort and/or the medical urgency to the responsible caregiver to avoid harm.

  • Page 6: Unpacking And Setup

    WARNING 6.5 feet (2 m) from hot, sparking objects or naked sources of flame. The plug on the DeVilbiss 525DS concentrators has one blade wider Electric Shock Hazard. Only qualified DeVilbiss Healthcare homecare than the other. To reduce the risk of electric shock, this plug is providers may remove the cabinet.
  • Page 7 UNPACKING AND SETUP temperature/humidity conditions or in the presence of contaminates, and/ or handling and storage conditions outside those specified, may affect the long term reliable operation of the product. Slowly turn the flow meter knob until the flow meter ball is centered on the line next to the appropriate flow rate.

  • Page 8: Maintenance

    MAINTENANCE produce an audible pulse every few seconds while the visible alert blinks. Power PATIENT ALERT SYSTEM for this alert is provided by a capacitor on the PC board. The DeVilbiss Oxygen Concentrator patient alert system will detect unit component failure. This system is comprised of both visible and audible alerts For units with Serial Numbers which signal the patient if a malfunction should occur.

  • Page 9: Service Life

    MAINTENANCE Increase the flow to 1 LPM and confirm that the alarm condition ends. ROUTINE PATIENT MAINTENANCE High Flow DeVilbiss recommends using only original DeVilbiss parts and filters in order to Connect the oxygen concentrator to AC power and turn the power guarantee a reliable operation of the product.

  • Page 10: Periodic Homecare Provider Preventative Maintenance

    MAINTENANCE Provider establishes and documents appropriate protocols. PERIODIC HOMECARE PROVIDER Inspect AC power cord, power switch and circuit breaker every PM check PREVENTATIVE MAINTENANCE or between patients. Replace as necessary. Use only DeVilbiss concentrator replacement parts and accessories. Every DeVilbiss Oxygen Concentrator is tested at the factory. To assure PROVIDER’S NOTES - Cleaning and continued trouble-free performance, the following preventative maintenance...

  • Page 11: Return And Disposal

    MAINTENANCE dust deposits inside the cabinet with an appropriate vacuum cleaner. Close PREVENTATIVE MAINTENANCE SUMMARY the concentrator. Patient / Caregiver NOTE – There is no portion of the gas pathways through the concentrator Clean and replace oxygen tubing, cannula / mask, and humidifier bottle (if used) that could be contaminated with body fluids under normal conditions.

  • Page 12: Normal Operating Sequence

    “popping” type sound produced by Starting serial numbers for units with the low pressure system: release of pressure from a pressure relief valve on the compressor head. • 525DS .....B19C060100DS The 525 operating system incorporates “turn-down” technology. The PC board • 525DS-Q ..B201130001DQ constantly monitors the flow rate and will decrease the cycle time whenever the •...

  • Page 13: Simplified Troubleshooting

    TROUBLESHOOTING Operation Issues (Service Indicator Light and/ SIMPLIFIED TROUBLESHOOTING Type II— or an audible alert is activated or the Pressure Relief Valve releases The key to simple troubleshooting is to recognize which type of problem exists pressure with a ‘popping’ sound) and select the most effective approach to solving the problem.

  • Page 14: Troubleshooting Chart A

    TROUBLESHOOTING TROUBLESHOOTING CHART A Visible Alarm Audible Alarm Compressor 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 Excessive noise Loose or defective motor mounts Replace motor mounts Defective compressor Replace compressor...

  • Page 15: Troubleshooting Chart B

    TROUBLESHOOTING TROUBLESHOOTING CHART B Visible Alarm Audible Alarm Compressor 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. On 220/230/240 Volt units, check that the IEC connector on the back of the unit is attached.

  • Page 16: Troubleshooting Chart E

    TROUBLESHOOTING TROUBLESHOOTING CHART E Visible Alarm Audible Alarm Compressor OTHER SYMPTOMS POSSIBLE CAUSE POSSIBLE REMEDY Fluctuating or no flow System pressure below 9 psi (62.1 kPa) due to: 1. Leak in system 1. Check for leaks in all hoses and fittings 2.

  • Page 17: Component Testing, Repair And Replacement

    COMPONENT TESTING, REPAIR AND REPLACEMENT PROPER REPAIR PROCEDURES CABINET REMOVAL WARNING For units with Serial Numbers starting with B, When servicing the DeVilbiss Oxygen Concentrator, be absolutely J, N or R certain that the correct tools are used and that the parts are free of To remove back cabinet: oil and grease or any material not compatible with oxygen.

  • Page 18: Accumulator Pressure Test

    COMPONENT TESTING, REPAIR AND REPLACEMENT To reassemble, reverse steps 2-4. Remove the tubing cap from the accumulator tank fitting or from the manifold attached to the tank, and attach the 1/16" (1.6 mm) diameter The majority of all the servicing and repairs can be done without removing the tubing from the gauge to the fitting just vacated above.

  • Page 19: Auxiliary Oxygen Port

    CAUTION Make sure the unit is unplugged from the wall outlet. The 525DS concentrators use a GSE compressor with a 22 mfd Use the Cabinet Removal instructions listed previously to open the unit. capacitor. If replacement is necessary, be sure the correct capacitor Remove the hose from the outlet side of the final bacteria filter.

  • Page 20: Compressor

    COMPONENT TESTING, REPAIR AND REPLACEMENT These components are included in the Compressor Rebuild Kit (GSE 525D-643 COMPRESSOR and 525K-643 or Thomas 525D-653). GSE compressor is shown below. The DeVilbiss Oxygen Concentrator uses a GSE or Thomas double-head, oil- Spacer Rod (beneath free compressor.

  • Page 21: Cooling Fan

    CAUTION Make sure the unit is unplugged from the wall outlet. The 525DS concentrators use a GSE or Thomas compressor with a Use the Cabinet Removal instructions listed previously to open the unit. 22 mfd capacitor. The 525KS/525PS concentrators use a GSE Disconnect the compressor wires by disconnecting the compressor compressor with a 10 mfd capacitor.

  • Page 22: Flow Meter

    COMPONENT TESTING, REPAIR AND REPLACEMENT If the cooling fan is defective, it must be To install or replace the low output flow replaced: meter: Make sure the unit is unplugged from the wall outlet. Ensure that the unit is unplugged from the wall outlet. Use the Cabinet Removal instructions listed previously to open the unit.

  • Page 23: Hour Meter

    COMPONENT TESTING, REPAIR AND REPLACEMENT Remove the metal brackets and push the meter through the case. Check sieve bed pressures at the accumulator tank using the manifold test point Save the meter and metal brackets for later use, if desired. or the accumulator tank test point.

  • Page 24: Power Cord

    COMPONENT TESTING, REPAIR AND REPLACEMENT To replace the molecular sieve beds: PRESSURE REGULATOR The pressure regulator stabilizes the flow of oxygen to the patient and NOTE– Make sure that the sealing caps remain on the new sieve beds until establishes back pressure on the system. It is preset at 8.5 psi (58.6 kPa) and just prior to connecting hoses and tubing.

  • Page 25: Printed Circuit Board (Pc Board)

    COMPONENT TESTING, REPAIR AND REPLACEMENT PRINTED CIRCUIT BOARD ROTARY VALVE The printed circuit (PC) board is responsible for monitoring and controlling the The timed rotary valve alternately distributes pressure supplied by the DeVilbiss Oxygen Concentrator. compressor to the sieve beds. While one bed is being pressurized the other bed is being exhausted through the valve exhaust port.
  • Page 26 COMPONENT TESTING, REPAIR AND REPLACEMENT The stepper motor on the rotary valve has multiple windings so there are several voltage readings that need to be checked in order to determine if the problem is being caused by the PC board or the valve itself. Testing for proper voltage is done at the wire harness connectors on the valve or on the PC Board using a voltmeter.

  • Page 27: Figures, Diagrams And Parts List

    FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "F" (115V Units) 525DS & 525DS-Q Units - Serial # "J" (115V Units) Front View Rear View 10-11 29-30 Behind Front Cover/Bib Rear Inside Front Inside 44-32 28 or 41...
  • Page 28 FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "F" (115V Units) 525DS & 525DS-Q Units - Serial # "J" (115V Units) 525DS 525DS 525DS-Q PART DESCRIPTION "F" SERIAL # "J" SERIAL # "J" SERIAL # Accumulator Tank 525D-610...

  • Page 29: 525Ds Unit - Serial #N & 525Ds-Q Unit - Serial #R (115V Units With Auxiliary Oxygen Port)

    FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "N" (115V Units with Auxiliary Oxygen Port) 525DS-Q Unit - Serial # "R" (115V Units with Auxiliary Oxygen Port) Front View Rear View 10-11 29-30 Front Inside Behind Front Cover Compressor Box - Serial # "N"...
  • Page 30 FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "N" (115V Units with Auxiliary Oxygen Port) 525DS-Q Unit - Serial # "R" (115V Units with Auxiliary Oxygen Port) Rear Inside - Serial # "N" Rear Inside - Serial # "R"...
  • Page 31 FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "N" (115V Units with Auxiliary Oxygen Port) 525DS-Q Unit - Serial # "R" (115V Units with Auxiliary Oxygen Port) 525DS 525DS-Q PART DESCRIPTION "N" SERIAL # "R" SERIAL # Flow Meters:...

  • Page 32: 525Ds Unit - Serial #B & 525Ds-Q Unit - Serial #B (115V Units With Auxiliary Oxygen Port)

    FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "B" (115V Units with Auxiliary Oxygen Port) 525DS-Q Unit - Serial # "B" (115V Units with Auxiliary Oxygen Port) Visible Alerts 10-11 Front View Rear View 29-30 New filter door with venting and compartment for optional gross particle filter.
  • Page 33 FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "B" (115V Units with Auxiliary Oxygen Port) 525DS-Q Unit - Serial # "B" (115V Units with Auxiliary Oxygen Port) Rear Inside - 525DS Rear Inside - 525DS-Q Auxiliary O Port Tubing w/Orifice...
  • Page 34 FIGURES, DIAGRAMS AND PARTS LIST 525DS Unit - Serial # "B" (115V Units with Auxiliary Oxygen Port) 525DS-Q Unit - Serial # "B" (115V Units with Auxiliary Oxygen Port) 525DS 525DS-Q PART DESCRIPTION "B" SERIAL # "B" SERIAL # Flow Meters:...

  • Page 35: 525Ks Unit - Serial #F & 525Ks / 525Ks-Lt Units - Serial #J (220/230/240V Units)

    FIGURES, DIAGRAMS AND PARTS LIST 525KS Unit - Serial # "F" (220/230/240V Units) 525KS & 525KS-LT Units - Serial # "J" (220/230/240V Units) 10-11 Front View Rear View 29-30 Behind Front Cover/Bib Front Inside Rear Inside 44-32 28 or 41 (Final Check Valve not visible - behind oxygen outlet port)
  • Page 36 Ladder Clamp (1/2" ID Hoses) 444-566 444-566 444-566 Hour Meter PV5LD-617 PV5LD-617 PV5LD-617 Intake Canister 525DD-614 525DD-614 525DD-614 Light Panel / Ribbon Cable 525D-615 525DS-615 525DS-615 Purge Manifold Assembly 525DD-617 525DD-617 Motor Mounts 505IZ-609 505IZ-609 505IZ-609 Oxygen Outlet Port 525DD-606 525DD-606 525DD-606 PC Board...

  • Page 37: 525Ks-Lt Unit - Serial #N & 525Ks Unit - Serial #R (220/230/240V Units With Auxiliary Oxygen Port)

    FIGURES, DIAGRAMS AND PARTS LIST 525KS-LT Unit - Serial # "N" (220/230/240V Units with Auxiliary Oxygen Port) 525KS Unit - Serial # "R" (220/230/240V Units with Auxiliary Oxygen Port) Front View 10-11 Rear View 29-30 Front Inside Behind Front Cover (Plastic Clamp not shown - secures hose to...
  • Page 38 FIGURES, DIAGRAMS AND PARTS LIST 525KS-LT Unit - Serial # "N" (220/230/240V Units with Auxiliary Oxygen Port) 525KS Unit - Serial # "R" (220/230/240V Units with Auxiliary Oxygen Port) Rear Inside - Serial # "N" Rear Inside - Serial # "R" 20-21 525KS-LT 525KS...
  • Page 39 Hose Clamps: Plastic (1/4" ID Hose) Ladder Clamp (1/2" ID Hoses) 444-566 444-566 Hour Meter PV5LD-617 PV5LD-617 Intake Canister 525DD-614 Light Panel / Ribbon Cable 525DS-615 525DS-615 Purge Manifold Assembly 525DD-617 525DD-617 Motor Mounts 505IZ-609 505IZ-609 Oxygen Outlet Port 525DD-606 525DD-606...

  • Page 40: 525Ks-Lt Unit - Serial #B & 525Ks Unit - Serial #B (220/230/240V Units With Auxiliary Oxygen Port)

    FIGURES, DIAGRAMS AND PARTS LIST 525KS-LT Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) 525KS Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) Visible Alerts 10-11 Front View Rear View 29-30 New filter door with venting and compartment for optional gross particle filter.
  • Page 41 FIGURES, DIAGRAMS AND PARTS LIST 525KS-LT Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) 525KS Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) Rear Inside - 525KS-LT Rear Inside - 525KS Auxiliary O Port Tubing w/Orifice 20-21 525KS-LT 525KS...
  • Page 42 FIGURES, DIAGRAMS AND PARTS LIST 525KS-LT Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) 525KS Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) 525KS-LT 525KS PART DESCRIPTION "B" SERIAL # "B" SERIAL # Fittings: Accumulator Tank "Tee"...

  • Page 43: 525Ps Unit - Serial #F & 525Ps Unit - Serial #J (220/230/240V Units)

    FIGURES, DIAGRAMS AND PARTS LIST 525PS Unit - Serial # "F" (220/230/240V Units) 525PS Unit - Serial # "J" (220/230/240V Units) Front View Rear View 10-11 29-30 Behind Front Cover/Bib Front Inside Rear Inside 44-32 28 or 41 (Final Check Valve not visible - behind oxygen outlet port) Fan &...
  • Page 44 Plastic (1/4" ID Hose) Ladder Clamp (1/2" ID Hoses) 444-566 444-566 Hour Meter PV5LD-617 PV5LD-617 Intake Canister 525DD-614 525DD-614 Light Panel / Ribbon Cable 525D-615 525DS-615 Purge Manifold Assembly 525DD-617 Motor Mounts 505IZ-609 505IZ-609 Oxygen Outlet Port 525DD-606 525DD-606 PC Board 525KS-622 525KS-622...

  • Page 45: 525Ps Unit - Serial #B

    FIGURES, DIAGRAMS AND PARTS LIST 525PS Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) Visible Alerts 10-11 Front View Rear View 29-30 New filter door with venting and compartment for optional gross particle filter. Behind Front Cover Front Inside Rear Inside (Plastic Clamp...
  • Page 46 FIGURES, DIAGRAMS AND PARTS LIST 525PS Unit - Serial # "B" (220/230/240V Units with Auxiliary Oxygen Port) 525PS 525PS PART DESCRIPTION "B" SERIAL # PART DESCRIPTION "B" SERIAL # Accumulator Tank 525D-610 Hose Clamps: Auxiliary Oxygen Port 525DD-635 Plastic (1/4" ID Hose) Cabinet Parts: Ladder Clamp (1/2"...

  • Page 47: Accessories And Tools

    FIGURES, DIAGRAMS AND PARTS LIST ACCESSORIES Carton with Shipping Inserts 525D-606 Oxygen Outlet Connector - Plastic XM-1 Casters, Locking 525DS-603 Low Output Flow Meter 515LF-607 Transfill Caddy 525DD-650 Transfill Hose PF1100TUB TOOLS Service Kit 444-501 Pressure Gauge PVO2D-601 Pressure Test Assembly...

  • Page 48: Pneumatic And Wiring Diagrams

    FIGURES, DIAGRAMS AND PARTS LIST Pneumatic Diagram LT-2023...
  • Page 49 FIGURES, DIAGRAMS AND PARTS LIST Wiring Diagram LT-2023...

  • Page 50: Ordering Information And Parts Return

    DeVilbiss Concentrator 5 Liter Series Instruction Guide: • A-525D4 525DS English, Spanish, French • SE-525K4 525DS, 525KS, 525PS English, Spanish, French, German, Italian, Dutch, Portuguese, Polish, Turkish, Arabic • NE-525K4 525DS, 525KS, 525PS English, Swedish, Finnish, Danish, Norwegian, Greek •...

  • Page 51: Warranty

    WARRANTY WARRANTY Drive DeVilbiss Healthcare warrants the DeVilbiss 5 Liter Oxygen Concentrator under the conditions and limitations stated below. Drive DeVilbiss warrants this equipment to be free from defects in workmanship and materials for three (3) years from date of factory shipment to the original purchaser, (typically the healthcare provider) unless contractually specified otherwise.

  • Page 52: Specifications

    49.1 dBA @ 5 LPM 54.5 dBA @ 5 LPM 50.4 dBA @ 5 LPM 51.7 dBA @ 5 LPM 53.2 dBA @ 5 LPM 48 dBA (525DS) 40 dBA (50 Hz (525KS) Sound Level (ISO 8359:1996) — 46 dBA (525DS-Q)
  • Page 53 3 – 4 psi on low pressure system NOTE– The OSD performance at 41˚F (5˚C) to 95˚F (35˚C), 93% R.H. through voltage range on the 525DS verified at 670m. NOTE– The minimum and maximum pressures are peak accumulator pressures at 5 LPM.

  • Page 54: Electromagnetic Compatibility Information

    ELECTROMAGNETIC COMPATIBILITY INFORMATION ELECTROMAGNETIC COMPATIBILITY INFORMATION WARNING MR Unsafe Do not bring the device or accessories into a Magnetic Resonance (MR) environment as it may cause unacceptable risk to the patient or damage to the oxygen concentrator or MR medical devices. The device and accessories have not been evaluated for safety in an MR environment. Do not use the device or accessories in an environment with electromagnetic equipment such as CT scanners, Diathermy, RFID and electromagnetic security systems (metal detectors) as it may cause unacceptable risk to the patient or damage to the oxygen concentrator.
  • Page 56 DeVilbiss Healthcare LLC 100 DeVilbiss Drive Somerset, PA 15501-2125 800-338-1988 • 814-443-4881 Drive DeVilbiss Healthcare Ltd. Australian Sponsor: Heathfield Lane Drive DeVilbiss Australia Pty Limited Birkenshaw Building F, 2 Hudson Ave West Yorkshire BD11 2HW Castle Hill, NSW 2154 ENGLAND AUSTRALIA +44 (0) 845 0600 333 +61 02 9899 3144...

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