DeVilbiss 525 Series Service Manual Page 3
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- Table of contents
- TROUBLESHOOTING
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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.
Room air is a mixture of 78% nitrogen, 21% oxygen, 1% argon and other gases. The concentrator draws in room air, separates the nitrogen from the
oxygen, and delivers concentrated oxygen to the patient through an oxygen port.
For more in-depth classroom type training, DeVilbiss holds oxygen concentrator service schools. For service school information, contact the
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.
IMPORTANT SAFEGUARDS
Read all instructions before operating the oxygen concentrator. Important information is highlighted by these terms:
WARNING: Safety information for hazards that might cause serious injury or death.
CAUTION–Information for preventing damage to the product.
NOTE–Information to which you should pay special attention.
SAFETY PRECAUTIONS AND GENERAL WARNINGS
A. CAUTION–Federal (U.S.A.) law restricts this device to sale by or on the order of a physician.
B. WARNING: Oxygen promotes rapid burning. Do not smoke when using this unit or when near a person receiving
oxygen therapy. Do not operate the oxygen concentrator within a minimum of five feet (1.6m) from hot, sparking,
or burning objects or naked flames. Do not use in rooms heated by paraffin or portable gas heaters.
C. Do not place a humidifier with an oxygen patient unless prescribed by a physician and then only a bubble-type humidifier should
be used.
D. Do not connect the oxygen concentrator to an electrical outlet controlled by a wall switch; the outlet should be independent of
other appliances.
E. Do not use an electrical adapter or extension cord with the oxygen concentrator.
F. Only operate the oxygen concentrator with all filters in place; do not operate if the air filter is wet.
G. WARNING: Electric shock hazard. Do not remove cabinet. The cabinet should only be removed by a qualified
DeVilbiss homecare provider.
H. WARNING: Disconnect the power cord from the wall outlet before attempting repairs on the unit. Extra care
should be taken if it is necessary to operate the unit with the cabinet removed.
I. WARNING: Do not use oils, greases, or any petroleum-based solvents/cleaners on or near the unit. Use only
materials that are compatible with oxygen.
J. WARNING: Electric Shock Hazard. When replacing the capacitor, do not touch the terminals or allow metal
objects to come in contact with the terminals on the capacitor. The capacitor may hold a charge for several days
after the unit is turned off. The capacitor is located in the base of the unit next to the cooling fan.
K. Use only DeVilbiss concentrator replacement parts and accessories.
L. Do not use regenerated sieve material.
DANGER
NO SMOKING
- DeVi l b i s s 1
- TABLE OF CONTENTS 2
- IMPORTANT SAFEGUARDS 3
- NO SMOKING 3
- INITIAL INSPECTION 4
- PATIENT SETUP 4
- OPERATING INSTRUCTIONS 5
- PATIENT ALERT SYSTEM 5
- ROUTINE PATIENT MAINTENANCE 6
- BETWEEN PATIENT MAINTENANCE 7
- SYSTEM OPERATION 8
- NORMAL OPERATING SEQUENCE 8
- SIMPLIFIED TROUBLESHOOTING 9
- TROUBLESHOOTING CHART A 10
- TROUBLESHOOTING CHART B 11
- TROUBLESHOOTING CHART C 11
- TROUBLESHOOTING CHART D 11
- TROUBLESHOOTING CHART F 12
- TROUBLESHOOTING CHART E 12
- PROPER REPAIR PROCEDURES 13
- ACCUMULATOR PRESSURE TEST 14
- CAPACITOR 14
- CABINET REMOVAL 14
- COMPRESSOR 15
- COOLING FAN 16
- FINAL CHECK VALVE 16
- FLOW METER 16
- HOUR METER 16
- MOLECULAR SIEVE BEDS 17
- POWER CORD 17
- POWER SWITCH 17
- PRESSURE REGULATOR 17
- PRINTED CIRCUIT BOARD 18
- ROTARY VALVE 18
- SIEVE BED CHECK VALVES 18
- FIGURES, DIAGRAMS, AND VIEWS 19
- WARRANTY INFORMATION 39
- ORDERING INFORMATION 40
- Accessories 41
- Components 525DS 525KS 41
- DECLARATION OF CONFORMITY 43
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