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MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal)
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TABLE OF CONTENTS
1 INTRODUCTION .................................................................................................................................7
1.1 ABOUT THIS MANUAL..............................................................................................................................7
1.2 GLOSSARY ............................................................................................................................................7
1.3 DEFINITIONS ..........................................................................................................................................8
1.4 PRODUCT APPLICATION..........................................................................................................................8
2 HUMIDIFIER SYMBOLS.....................................................................................................................9
3 SPECIFICATIONS.............................................................................................................................10
3.1 MECHANICAL .......................................................................................................................................10
3.2 ELECTRICAL.........................................................................................................................................10
3.3 TEMPERATURE RANGE.........................................................................................................................10
3.3.1 Heater Wire Mode..................................................................................................................10
3.3.2 Non Heater Wire Mode..........................................................................................................10
3.3.3 Alarm Parameters..................................................................................................................10
3.4 PERFORMANCE....................................................................................................................................11
3.5 TRANSPORT AND STORAGE ENVIRONMENTAL CONDITIONS ....................................................................11
3.6 STANDARDS AND APPROVALS...............................................................................................................11
4 OPERATING MODES AND CONTROLS.........................................................................................12
4.1 HUMIDIFIER OPERATION .......................................................................................................................12
4.1.1 Heater wire operation ............................................................................................................12
4.1.2 Non-Heater Wire Operation...................................................................................................13
4.1.3 Stand-by Operation................................................................................................................13
4.1.4 Power Up Sequence..............................................................................................................14
4.1.5 Humidity Compensation (HC) mode......................................................................................14
4.1.6 Breathing Circuit Recognition ................................................................................................15
4.2 HUMIDIFIER CONTROLS ........................................................................................................................16
4.2.1 Power Button .........................................................................................................................16
4.2.2 Mode Button ..........................................................................................................................16
4.2.3 Mute Button ...........................................................................................................................17
4.3 TEMPERATURE DISPLAY.......................................................................................................................17
4.3.1 Showing Chamber and Airway Temperature ........................................................................17
4.4 SETUP INDICATORS..............................................................................................................................17
4.4.1 Heater wire connector ...........................................................................................................17
4.4.2 Temperature / Flow Probe Connector ...................................................................................18
4.4.3 Chamber Probe & Airway Probe ...........................................................................................18
4.4.4 Chamber or Airway Probe Alarm with Probe connector alarm..............................................18
4.4.5 Water Out Indicator................................................................................................................19
4.5 OPERATIONAL ALARMS.........................................................................................................................19
4.5.1 Temperature Indicator ...........................................................................................................19
4.5.2 Non-Heater Wire Operation...................................................................................................20
4.5.3 See Manual Indicator.............................................................................................................20
5 MAINTENANCE PROCEDURES......................................................................................................21
5.1 MAINTENANCE SCHEDULE ....................................................................................................................21
5.1.1 MR850 Humidifier..................................................................................................................21
5.1.2 MR850 Temperature Probe...................................................................................................21
5.2 SAFETY CHECK....................................................................................................................................22
5.3 CLEANING INSTRUCTIONS.....................................................................................................................23
5.3.1 MR850 Humidifiers ................................................................................................................23
5.3.2 Temperature Flow Probe.......................................................................................................23