Fisher & Paykel MR730, MR720, MR480, MR700 technical manual PCB Identification Diagram

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8.11 PCB IDENTIFICATION DIAGRAM

Ref. 185040646 MR730/720/700/480 Technical Manual ¯ Revision F ¯ Issued March 2001

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Contents Auckland, New Zealand D E L S MR730 MR720 MR700 MR480National Office Revision F changes Section Description of ChangeContents Performance Check MR480 Dual Probe Temperature TestMaintenance Schedule B1.1 Power PCB Harness Connection DiagramMaintenance Schedule Checklist 10.1Appendix D Models MR730/720/700 MR700 Series General SpecificationsSET EOHTOP RSDMR700 Series Humidifiers with Version 1.0 Software Operating Controls and ModesStandby Button MR700/720/730 only 1 MR700/MR730 ALL Software VERSIONS, MR720 Version 1.0 only 2 MR720 Version 2.0, 3.0 SoftwareAlarms and Indicators Version 3.0 Software Version 1.0 and Version 2.0 SoftwareAudio Alarm Circuit Operation Power Line Interrupt Revisions D/F Pcbs Revision H and J Pcbs For models with Revision D PCB and earlier CalibrationPage Performance Check Alarms Check MR700/720/730 Dual Probe Temperature Test Servicing Information Replacing revision F or earlier power PCB MR700/720/730Replacing revision F or earlier power PCB MR480 Fault Location SCHEMATICS, Part Lists and Mechanical Drawings Power Board Control Board Component Layout Revision F PCB Page This page Left Blank Circuit Diagrams Revision H and J PCB Control PCB Circuit Diagrams Revision H and J PCB Power PCB Circuit Diagrams Revision F PCB Control PCB Circuit Diagrams Revision F PCB Power PCB LED1, LED3 DSP1, DSP2, DSP3LED2,LED4, LED5,LED11 LED6,LED7 LED8,LED9,LED10SPK1 SW5VR1 VR4Fuse fast acting 2 a 20 × 5 mm for 230 999830009 MR480AGM Exploded Diagrams MR480 10.3 MR730/720/700 Mechanical Parts MR720ASU Exploded Diagrams MR730/720/700 Heaterplate Assembly Parts MR730/720/700/480 Page PCB Identification Diagram Power PCB Harness Connection Diagram Date Change First Serial Number Comments Affected Product Change HistoryYear Model Code Serial Number AAA XxxxxOFF Appendix aA2.3 Integral Display Error MessagesEP2 EP1EP3 EP4First Byte Second ByteThird Byte A5.4 Serial Data Interface Connector Appendix B B1 Maintenance ScheduleElectrical Safety Checks as required Photocopy and File in Maintenance RecordsPossible cause Action to take Appendix CHigh Temperature C1.6 C1.5LED on Check Voltage Rating Of Unit Appendix D Cleaning instructionsAppendix E Setup NotesDynamic Test Sequence MR730/720/700 Dynamic Test Procedure MR480