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Fisher & Paykel
MR700, MR720, MR730 technical manual Exploded Diagrams MR480
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 39
Image 39
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8.10.2
E
XPLODED
D
IAGRAMS
: MR480
Ref. 185040646 MR730/720/700/480 Technical Manual
¯
Revision F
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Issued March 2001
Page 38
Page 40
Page 39
Image 39
Page 38
Page 40
Contents
Auckland, New Zealand
D E L S MR730 MR720 MR700 MR480
National Office
Revision F changes Section Description of Change
Contents
Performance Check MR480
Dual Probe Temperature Test
10.1
Power PCB Harness Connection Diagram
Maintenance Schedule B1.1
Maintenance Schedule Checklist
Appendix D
Models MR730/720/700
MR700 Series General Specifications
RSD
EOH
SET
TOP
MR700 Series Humidifiers with Version 1.0 Software
Operating Controls and Modes
Standby Button MR700/720/730 only
1 MR700/MR730 ALL Software VERSIONS, MR720 Version 1.0 only
2 MR720 Version 2.0, 3.0 Software
Alarms and Indicators
Version 3.0 Software
Version 1.0 and Version 2.0 Software
Audio Alarm
Circuit Operation
Power Line Interrupt Revisions D/F Pcbs
Revision H and J Pcbs
For models with Revision D PCB and earlier
Calibration
Page
Performance Check
Alarms Check MR700/720/730
Dual Probe Temperature Test
Servicing Information
Replacing revision F or earlier power PCB MR700/720/730
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
LED6,LED7 LED8,LED9,LED10
DSP1, DSP2, DSP3
LED1, LED3
LED2,LED4, LED5,LED11
VR4
SW5
SPK1
VR1
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
Date Change First Serial Number Comments Affected
Product Change History
Year Model Code Serial Number
AAA Xxxxx
OFF
Appendix a
A2.3 Integral Display
Error Messages
EP4
EP1
EP2
EP3
First Byte
Second Byte
Third Byte
A5.4 Serial Data Interface Connector
Appendix B
B1 Maintenance Schedule
Electrical Safety Checks as required
Photocopy and File in Maintenance Records
Possible cause Action to take
Appendix C
High Temperature
C1.6
C1.5
LED on
Check Voltage Rating Of Unit
Appendix D
Cleaning instructions
Appendix E
Setup Notes
Dynamic Test Sequence MR730/720/700
Dynamic Test Procedure MR480
