Fisher & Paykel MR850 TABLE OF CONTENTS

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
	MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal)		3