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Fisher & Paykel
MR720, MR730, MR480, MR700 technical manual Component Layout Revision F PCB
Models:
MR700
MR480
MR720
MR730
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Error codes
Exploded Diagrams MR480
Maintenance
Setup Notes
Dynamic Test Procedure MR480
Fault Location
Alarms and Indicators
Cleaning instructions
Dual Probe Temperature Test
Power Board Control Board
Page 28
Image 28
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8.3 C
OMPONENT
L
AYOUT
- R
EVISION
F PCB
Power Board
Control Board
Ref. 185040646 MR730/720/700/480 Technical Manual
¯
Revision F
¯
Issued March 2001
Page 27
Page 29
Page 28
Image 28
Page 27
Page 29
Contents
D E L S MR730 MR720 MR700 MR480
Auckland, New Zealand
Revision F changes Section Description of Change
National Office
Contents
Dual Probe Temperature Test
Performance Check MR480
Power PCB Harness Connection Diagram
Maintenance Schedule B1.1
Maintenance Schedule Checklist
10.1
Appendix D
MR700 Series General Specifications
Models MR730/720/700
EOH
SET
TOP
RSD
Operating Controls and Modes
MR700 Series Humidifiers with Version 1.0 Software
Standby Button MR700/720/730 only
2 MR720 Version 2.0, 3.0 Software
1 MR700/MR730 ALL Software VERSIONS, MR720 Version 1.0 only
Alarms and Indicators
Version 1.0 and Version 2.0 Software
Version 3.0 Software
Audio Alarm
Circuit Operation
Power Line Interrupt Revisions D/F Pcbs
Revision H and J Pcbs
Calibration
For models with Revision D PCB and earlier
Page
Performance Check
Alarms Check MR700/720/730
Dual Probe Temperature Test
Replacing revision F or earlier power PCB MR700/720/730
Servicing Information
Replacing 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
DSP1, DSP2, DSP3
LED1, LED3
LED2,LED4, LED5,LED11
LED6,LED7 LED8,LED9,LED10
SW5
SPK1
VR1
VR4
Fuse fast acting 2 a 20 × 5 mm for 230 999830009
MR480AGM
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
Product Change History
Date Change First Serial Number Comments Affected
AAA Xxxxx
Year Model Code Serial Number
Appendix a
OFF
Error Messages
A2.3 Integral Display
EP1
EP2
EP3
EP4
Second Byte
First Byte
Third Byte
A5.4 Serial Data Interface Connector
B1 Maintenance Schedule
Appendix B
Photocopy and File in Maintenance Records
Electrical Safety Checks as required
Appendix C
Possible cause Action to take
High Temperature
C1.5
C1.6
LED on
Check Voltage Rating Of Unit
Cleaning instructions
Appendix D
Setup Notes
Appendix E
Dynamic Test Sequence MR730/720/700
Dynamic Test Procedure MR480
