Fisher & Paykel MR720 Humidifier User Manual


 
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Ref. 185040646 *MR730/720/700/480 Technical Manual ¯ Revision F ¯ Issued March 2001
8.0 SCHEMATICS, PART LISTS AND MECHANICAL DRAWINGS ................................................20
8.1 MR700 Series Circuit Layout Block Diagram......................................................................................................................20
8.2 Component Layout - Revision H and J PCB.............................................................................................................................21
8.3 Component Layout - Revision F PCB........................................................................................................................................22
8.4 Link Pad Locations for Programming Control Options - Revision H and J PCB............................................................23
8.5 Circuit Diagrams - Revision H and J PCB Control PCB ...................................................................................................25
8.6 Circuit Diagrams - Revision H and J PCB Power PCB......................................................................................................26
8.7 Circuit Diagrams - Revision F PCB Control PCB..............................................................................................................27
8.8 Circuit Diagrams - Revision F PCB Power PCB ................................................................................................................28
8.9 Electrical Parts List.....................................................................................................................................................................29
8.9.1 Control Board Components: (Revision h and later PCBs)........................................................................................29
8.9.2 Power Board Components: (Revision h and later PCBs)..........................................................................................31
8.10 Mechanical Parts List.................................................................................................................................................................32
8.10.1 MR480 Mechanical Parts...............................................................................................................................................32
8.10.2 Exploded Diagrams: MR480 ..........................................................................................................................................33
8.10.3 MR730/720/700 Mechanical Parts ................................................................................................................................34
8.10.4 Exploded Diagrams: MR730/720/700............................................................................................................................36
8.10.5 Heaterplate Assembly Parts (MR730/720/700/480) ...................................................................................................37
8.10.6 Exploded Diagrams:Heaterplate Assembly MR730/720/700/480 (Inverted View).................................................38
8.11 PCB Identification Diagram.......................................................................................................................................................39
8.12 Power PCB Harness Connection Diagram..............................................................................................................................40
9.0 PRODUCT CHANGE HISTORY........................................................................................................41
9.1 Model Number Explanation.........................................................................................................................................................42
9.2 Serial Number Explanation.........................................................................................................................................................42
APPENDIX A................................................................................................................................................43
A1 Calibration Mode ..........................................................................................................................................................................43
A2 Engineering Menu........................................................................................................................................................................43
A2.1 Engineering display functions: Heater Wire Mode...................................................................................................43
A2.2 Engineering Functions: Non Heater Wire Mode.......................................................................................................44
A2.3 Integral Display...............................................................................................................................................................44
A3 Programming Control Options..................................................................................................................................................44
A4 Error Codes ...................................................................................................................................................................................44
A5 MR700 Series Humidifier Serial Data Interface...................................................................................................................45
A5.1 Serial Data Format...........................................................................................................................................................45
A5.2 Status Information..........................................................................................................................................................45
A5.3 Remote Standby..............................................................................................................................................................46
A5.4 Serial Data Interface Connector....................................................................................................................................47
APPENDIX B................................................................................................................................................48
B1 Maintenance Schedule.................................................................................................................................................................48
B1.1 Monthly ...........................................................................................................................................................................48
B1.2 Three Monthly ................................................................................................................................................................48
B1.3 Annually ..........................................................................................................................................................................48
B1.4 Annually Or In Accordance With Relevant Country Regulations.........................................................................48
B2 Maintenance Schedule Checklist..............................................................................................................................................49
APPENDIX C................................................................................................................................................50
C1 Troubleshooting Guide For The MR700 Series Respiratory Humidifiers .......................................................................50
C1.1 Low Temperature ............................................................................................................................................................50