Invacare Platinum IRC5LXAW Service Manual page 5

TABLE OF CONTENTS
TABLE OF CONTENTS
SECTION 19 - HOUR METER .......................................................... 68
Replacing Hour Meter .............................................................................................................................68
SECTION 20 - 4-WAY VALVE ........................................................ 69
Replacing 4-Way Valve............................................................................................................................69
Replacing Manifold Assembly.................................................................................................................71
Units Manufactured before 7/24/03.................................................................................................71
Units Manufactured after 7/24/03 ....................................................................................................74
Replacing Pilot Valve Poppets and O-Rings........................................................................................76
SECTION 21 - PURITY INDICATORS ............................................... 79
SensO Alarm Indicators ........................................................................................................................79
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Operation...................................................................................................................................................79
Indicator Light Explanation (SensO
Indicator Light Explanation (LX Models) ............................................................................................80
SECTION 22 - TIMING ................................................................... 81
Autotuning.............................................................................................................................................81
Manual Tuning.......................................................................................................................................83
SECTION 23 - LEAK TEST .............................................................. 85
Leak Test ....................................................................................................................................................85
SECTION 24 - ALARM TEST .......................................................... 88
Alarm and Sensor Tests..........................................................................................................................88
Power Loss Alarm ...............................................................................................................................88
Low Pressure Test...............................................................................................................................88
Time-Out Test......................................................................................................................................89
High Pressure Test ..............................................................................................................................89
Oxygen Sensor .....................................................................................................................................90
P.E. Valve Coil Test .............................................................................................................................92
SECTION 25 - SIEVE BED PRESSURE CHECK ................................... 93
Installing the Sieve Bed Pressure Tap-In Kit Installation and Checking Bed Pressure .............93
Disassembly ...........................................................................................................................................93
Installation..............................................................................................................................................94
Pressure Testing...................................................................................................................................94
After Testing .........................................................................................................................................95
LIMITED WARRANTY ..................................................................... 99
Platinum™Oxygen
Models) ....................................................................................79
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Part No 1118396