Service Manual
Integra E-Z Oxygen Concentrators
Chart SeQual Technologies Inc. Page 2 of 34 P/N 2917
TABLE OF CONTENTS
1. INTRODUCTION .......................................................................................................................................................... 3
1.1. Explanation of Terms .......................................................................................................................................... 3
1.2. Definitions ............................................................................................................................................................ 3
1.3. Introduction to the ATF ...................................................................................................................................... 3
1.4. Basic Mechanical Layout .................................................................................................................................... 5
1.5. Theory of Operation ............................................................................................................................................ 5
2. SET-UP AND OPERATION ......................................................................................................................................... 8
2.1. The proper location. ............................................................................................................................................. 8
2.2. Air intake filter. .................................................................................................................................................... 8
2.3. Control Panel Display .......................................................................................................................................... 8
2.4. Plug the unit in. ................................................................................................................................................... 8
2.5. Starting the Integra E-Z ...................................................................................................................................... 9
2.6. Service Mode ...................................................................................................................................................... 10
3.
MAINTENANCE ........................................................................................................................................................... 9
3.1. Cleaning air intake filter ................................................................................................................................... 11
3.2. Scheduled Preventive Maintenance .................................................................................................................. 12
4. TEST PROCEDURES ................................................................................................................................................. 13
4.1. Unit Test Procedure - Preferred Method .......................................................................................................... 13
4.2. Unit Test Procedure-Alternate Method ............................................................................................................. 14
4.3. Alarm Verification Test ..................................................................................................................................... 14
5.
TROUBLESHOOTING ............................................................................................................................................... 15
5.1. Alarm Conditions ............................................................................................................................................... 15
5.2. Unit fails to start ................................................................................................................................................ 17
5.3. Unit tries to start but shuts down alarming. ...................................................................................................... 17
5.4. Unit does not produce adequate oxygen flow. .................................................................................................. 18
5.5. Unit starts but shuts down after a short period of operation ............................................................................ 18
5.6 Compressor pressure relief valve actuates ........................................................................................................ 18
5.7 Compressor Noisy .............................................................................................................................................. 19
5.8 Trouble Shooting Guide for Integra E-Z units ................................................................................................. 20
6. REPAIR PROCEDURES ............................................................................................................................................ 23
6.1 Removal and installation of covers ................................................................................................................... 23
6.2 Removal and installation of the POD Assembly ............................................................................................... 23
6.3 Printed Circuit Board Assembly (PCBA) Replacement Procedure .................................................................. 24
6.4 Removal and installation of the ATF module ................................................................................................... 26
6.5 Removal and installation of the Compressor Assembly.................................................................................... 27
6.6 Compressor Top-End rebuild ............................................................................................................................ 29
7. INTEGRA E-Z 5L SPECIFICATIONS ..................................................................................................................... 31
8. INTEGRA E-Z 7L SPECIFICATIONS ..................................................................................................................... 32
9. INTEGRA E-Z 10L SPECIFICATIONS ................................................................................................................... 33
10. PART NUMBERS .................................................................................................................................................... 34
10.1. Preventive Maintenance Parts ........................................................................................................................... 34
10.2. Recommended Spare Parts Inventory ............................................................................................................... 34
11.
SEQUAL ADDRESS AND WEBSITE INFORMATION ..................................................................................... 35
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