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 54 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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