ResMed VPAP III ST-A, Service Manual

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Contents 3
Replacing the power supply (VPAP III ST-A models) 30
Replacing the Main PCB 31
Installing the serial number and default settings 34
Replacing the cable harness with switch and humidifier connector 34
Replacing the switch (for VPAP III and VPAP III ST models only) 37
Placing decals on replacement bottom cases 40
Replacing interface assembly components 41
Closing the flow generator 42
Replacing front muffler components 44
The HumidAire 2i 46
Opening the HumidAire 2i 46
Removing components from the water chamber 47
The water chamber lid 47
The water chamber base 48
6666 Replacement parts list Replacement parts list Replacement parts list Replacement parts list ............................................................. ............................................................. ............................................................. ............................................................. 51 51 51 51
Outside cases 51
Air filter components 51
Interface assembly 52
Internal components 53
PCBs 53
Main wiring harnesses
54
HumidAire 2i spare parts 55
7777 Calibration procedures
Calibration procedures Calibration procedures
Calibration procedures ...........................................................
........................................................... ...........................................................
........................................................... 56
56 56
56
Warnings and cautions 56
Equipment required 56
Software calibration buttons 56
Order of calibration procedures 57
1 Pressure calibration 57
2 Flow calibration 58
3 Motor noise calibration (VPAP III ST-A only) 59
8888 Troubleshooting guide
Troubleshooting guide Troubleshooting guide
Troubleshooting guide ............................................................
............................................................ ............................................................
............................................................ 60
60 60
60
9999 System specifications System specifications System specifications System specifications ............................................................... ............................................................... ............................................................... ............................................................... 62 62 62 62
VPAP III, VPAP III ST 62
VPAP III ST-A 63
10 10 10 10 Recommended maintenance schedule Recommended maintenance schedule Recommended maintenance schedule Recommended maintenance schedule ................................. ................................. ................................. ................................. 64 64 64 64
Appendix A: Service request form
Appendix A: Service request form Appendix A: Service request form
Appendix A: Service request form .................................................
................................................. .................................................
................................................. 65
65 65
65
Appendix B: Noise reduction upgrade Appendix B: Noise reduction upgrade Appendix B: Noise reduction upgrade Appendix B: Noise reduction upgrade .......................................... .......................................... .......................................... .......................................... 66 66 66 66
Equipment required 66
Adding foam pads to the blower assembly 66
Fit cable tie and replace blower outlet connector 68
Appendix C: Installing the service software Appendix C: Installing the service software Appendix C: Installing the service software Appendix C: Installing the service software .................................. .................................. .................................. .................................. 70 70 70 70