Equipment information

Fisher & Paykel Healthcare MR700 Ventilator
Manufacturer
Fisher & Paykel Healthcare
Model MR700
Date 2001
Category: Medical and Biomedical Equipment
Group Ventilator
Description Respiratory Humidifier
Information
                                    The MR730/720 models are Heated Wire humidifiers with the
option of disabling the Heater Wire.
The MR720 has a lower alarm limit and an extended warmup
mode for use in Anaesthesia.
The MR700 model is exclusively a Heated Wire humidifier.
The MR480 model is a non Heated Wire humidifier.

These manuals are available for the above equipment:

Manual Type Service and User Manual FisherPaykelHC-10547-Manual-Page-1-Picture
Pages 64
Size 1.30 Mbytes (1359599 Bytes)
Language english
Revision F
Manual-ID/Number 185040646
Date 01 March 2001
Quality Electronic document, no scan, very well readable.
Upload date
MD5 d2b664c5722d04a80dad7c02639039af
Downloads 23 since 06 March 2018
Information
1.0MR700 SERIES GENERAL SPECIFICATIONS
................................................................................1
1.1
 Electrical Specifications
................................................................................................................................................................1
1.1.1
 Models
MR730/720/700...................................................................................................................................................1
1.1.2
 Model
MR480....................................................................................................................................................................1
1.1.3
 Common Electrical Specifications (All
Models)...........................................................................................................1
1.2
 Standards and Approvals
................................................................................................................................................................1
1.3
 Temperature Control
......................................................................................................................................................................1
1.4
 Temperature Sensing
.....................................................................................................................................................................1
1.5
 Temperature Display
......................................................................................................................................................................2
1.6
 Glossary of Abbreviations
..............................................................................................................................................................2
OPERATING
CONTROLS AND MODES
..........................................................................................3
Adjustable Controls
........................................................................................................................................................................3
2.1.1
 Airway Temperature
Control..........................................................................................................................................3
2.1.2
 Chamber Control (Heater Wire On Mode
Only)..........................................................................................................3
Push Switches
..................................................................................................................................................................................3
2.2.1
 Mute Button
......................................................................................................................................................................3
2.2.2
 Chamber Temp
Button.....................................................................................................................................................3
2.2.3
 Standby Button (MR700/720/730
only).........................................................................................................................4
2.2.4
 Heater Wire Switch (MR720, MR730
only)...................................................................................................................4
Power Up Sequences
.......................................................................................................................................................................4
2.3.1
 Version 1.0
Software.........................................................................................................................................................4
2.3.2
 Version 2.0 and Version 3.0 Software
............................................................................................................................4
Heater Wire On Mode (All models except
MR480)..................................................................................................................4
MR730/720 in Heater Wire Off Mode and MR480
..................................................................................................................4
Warm Up
Mode.................................................................................................................................................................................5
2.6.1
 Warm up mode exiting conditions (low temperature alarm
enabled):.......................................................................5
2.6.2
 MR720 (Version 2.0, 3.0
Software).................................................................................................................................5
Standby
Mode....................................................................................................................................................................................5
2.7.1
 MR700/MR730 (All software versions), MR720 (Version 1.0
Only).........................................................................5
2.7.2
 MR720 Standby Mode (Version 2.0 and 3.0 software
only)......................................................................................5
AND INDICATORS
.............................................................................................................6
Temperature Probe
Alarm.............................................................................................................................................................6
Alarms In Heater Wire Mode (MR700/720/730
only).............................................................................................................6
3.2.1
 Heater Wire
Alarm............................................................................................................................................................6
3.2.2
 Airway temperature High
Alarm.....................................................................................................................................6
3.2.3
 Airway temperature Low
Alarm......................................................................................................................................6
3.2.4
 Chamber Temp High
Alarm.............................................................................................................................................7
3.2.5
 Chamber Temp Low Alarm activation
...........................................................................................................................7
3.2.6
 Set Low
Warning..............................................................................................................................................................7
Temperature Alarms in Non Heater Wire Mode (includes
MR480).....................................................................................7
3.3.1
 Heater Wire
Alarm............................................................................................................................................................7
3.3.2
 Airway Temperature High
Alarm...................................................................................................................................7
3.3.3
 Airway Temperature Low
Alarm....................................................................................................................................7
Audio
Alarm.....................................................................................................................................................................................8
Safety Protection (All
Models)......................................................................................................................................................8
3.5.1
 Temperature Deviations
..................................................................................................................................................8
3.5.2
 Microprocessor Watch
Dog...........................................................................................................................................
4.0
CIRCUIT

OPERATION
.........................................................................................................................9
Introduction......................................................................................................................................................................................9
Control
Board..................................................................................................................................................................................9
4.2.1
 Control Thermistors
.........................................................................................................................................................
9
4.2.2
 Input Analog Switches U8 and
U9................................................................................................................................
9
4.2.3
 Analog to Digital Converter U10
b,d,e..........................................................................................................................
9
4.2.4
 Processor Control
U3.......................................................................................................................................................
9
4.2.5
 Power Line Interrupt (Revisions D/F
PCBs)...............................................................................................................
10
4.2.6
 Power Line Interrupt (Revision H PCB and
later)......................................................................................................
10
4.2.7
 41 °C
Comparator............................................................................................................................................................
10
4.2.8
 Heaterplate
Overtemperature........................................................................................................................................
10
4.2.9
 Watch Dog
......................................................................................................................................................................
10
Power
Board...................................................................................................................................................................................11
4.3.1
 Revision D/F PCBs
.........................................................................................................................................................
11
4.3.2
 Revision H AND J PCBs
...............................................................................................................................................
11
Probe Temperature versus Thermistor
Resistance...............................................................................................................11
5.0CALIBRATION
....................................................................................................................................12
5.1
 Introduction....................................................................................................................................................................................12
5.2
 Equipment
Required......................................................................................................................................................................12
5.3
 Calibration Procedure for Models with Revision D PCBs or
earlier..................................................................................12
5.4
 Calibration Procedure for Models with Revision F PCBs or
later
......................................................................................12
6.0PERFORMANCE6.1

CHECK
..................................................................................................................14
Introduction....................................................................................................................................................................................14
Performance Check MR730/720/700
......................................................................................................................................14
6.2.1
 Equipment Setup
Notes:................................................................................................................................................
14
6.2.2
 Setup
................................................................................................................................................................................
14
6.2.3
 Temperature Control Check
MR700/720/730..............................................................................................................
14
6.2.4
 Alarms check MR700/720/730
......................................................................................................................................
15
Performance Check
(MR480)....................................................................................................................................................15
6.3.1
 Equipment
Required.......................................................................................................................................................
15
6.3.2
 Setup
................................................................................................................................................................................
15
6.3.3
 Temperature Control Check
(MR480)..........................................................................................................................
15
6.3.4
 Alarms check -
MR480...................................................................................................................................................
16
Dual Probe Temperature
Test....................................................................................................................................................16
6.4.1
 Equipment
Required.......................................................................................................................................................
16
6.4.2
 Test
Procedure................................................................................................................................................................
16
INFORMATION............................................................................................................17
Introduction....................................................................................................................................................................................17
Printed Circuit Board Removal
..................................................................................................................................................17
7.2.1
 Control
PCB.....................................................................................................................................................................
17
7.2.2
 Power
PCB.......................................................................................................................................................................
17
COMPATABILITY.......................................................................................................................................................................17
7.3.1
 Hardware
compatability.................................................................................................................................................
17
7.3.2
 MR480 Transformers
.....................................................................................................................................................
18
7.3.3
 Software
compatability..................................................................................................................................................
18
Heaterplate
.....................................................................................................................................................................................18
7.4.1
 Heaterplates with screw-in
standoffs..........................................................................................................................
19
Fault Location
................................................................................................................................................................................19
Screw Torque
Settings.................................................................................................................................................................19
8.0SCHEMATICS,8.1

PART LISTS AND MECHANICAL DRAWINGS
................................................20
MR700 Series Circuit Layout Block Diagram
......................................................................................................................
20
Component Layout - Revision H and J
PCB.............................................................................................................................
21
Component Layout - Revision F PCB
........................................................................................................................................
22
Link Pad Locations for Programming Control Options -
Revision H and J
PCB............................................................
23
Circuit Diagrams - Revision H and J PCB Control PCB
...................................................................................................
25
Circuit Diagrams - Revision H and J PCB Power PCB
......................................................................................................
26
Circuit Diagrams - Revision F PCB Control
PCB..............................................................................................................
27
Circuit Diagrams - Revision F PCB Power PCB
................................................................................................................
28
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
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
PCB Identification
Diagram.......................................................................................................................................................
39
Power PCB Harness Connection
Diagram..............................................................................................................................
40
9.0PRODUCT CHANGE
HISTORY........................................................................................................41
9.1
 Model Number
Explanation.........................................................................................................................................................
42
9.2
 Serial Number
Explanation.........................................................................................................................................................
42
APPENDIXA1
A................................................................................................................................................43
Calibration Mode
..........................................................................................................................................................................
43
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
Programming Control
Options..................................................................................................................................................
44
Error Codes
...................................................................................................................................................................................
44
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

High
Temperature...........................................................................................................................................................
51
Temperature
Fluctuating...............................................................................................................................................
51
Excessive Water In Circuit
............................................................................................................................................
51
Low humidity
..................................................................................................................................................................
52
Alarms
..............................................................................................................................................................................
52
Temperature display
......................................................................................................................................................
53
Breathing circuit
leak.....................................................................................................................................................
53
External water
leak..........................................................................................................................................................
53
LED on
.............................................................................................................................................................................
53
MR700 Series Fault Flow Chart For No Go Condition
..........................................................................................................54
APPENDIX D
...............................................................................................................................................55
D1
 Cleaning of Humidifier Heater Bases
.......................................................................................................................................55
D2
 Cleaning of Airway Temperature Probes
.................................................................................................................................55
APPENDIX
E................................................................................................................................................56
e1
 Additional Dynamic Performance Check of
Humidifiers......................................................................................................56
E2
 Performance Check MR730/720/700
......................................................................................................................................56
E2.1
 Equipment Setup
............................................................................................................................................................
56
E.2.2
 Setup
................................................................................................................................................................................
56
E.2.3
 Dynamic Test Sequence
(MR730/720/700).................................................................................................................
57
E.3
 Performance Check
(MR480)....................................................................................................................................................57
E.3.1
 Equipment Setup
............................................................................................................................................................
57
E.3.2
 Setup
................................................................................................................................................................................
58
E.3.3
 Dynamic Test Procedure
(MR480)...............................................................................................................................
58
FisherPaykelHC-10547-Manual-Page-1-Picture


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