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Fisher & Paykel MR810 3.4CONTROLS AND INDICATORS, NOTE:, 3.4.1POWER BUTTON, Figure 3.3: MR810 controls and indicators, 3.4.2TEMPERATURE SETTING BUTTON AND LEVEL INDICATORS

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3.4CONTROLS AND INDICATORS


						See manual
						indicator
Power stand by button						indicator		Ambient	3



Temperature Setting Button								Temperature
Temperature Setting Button								Sensor
Temperature Setting Indicators
			Heater Wire Indicator


	Chamber Detection Sensor						Heater Wire Adaptor

	Figure 3.3: MR810 controls and indicators
	Figure 3.3: MR810 controls and indicators

3.4.1POWER BUTTON

When this button is pressed briefly, the humidifier will toggle "on" or "off". The humidifier defaults to the High setting when turned on. The humidifier also stores the previous setting in non-volatile memory.

The operator can toggle between Default-to-High and restoring the previous setting by depressing both mode and power buttons when mains power is first applied.

NOTE: There is no immediate feedback to the operator that the Default-to-High setting has been changed.

When the device is turned on, the humidifier performs internal diagnostic checks before initiating normal control.

WARNING: Even if the MR810 is switched off with the power button, the unit is still energised. Disconnect the MR810 from the power supply before servicing.

3.4.2TEMPERATURE SETTING BUTTON AND LEVEL INDICATORS

The temperature setting button, when pressed briefly, decrements the temperature setting, cycling from high to low. Three green LED indicators indicate the temperature setting as follows:

High setting:

All three LEDs illuminated

Medium setting: Left and middle LED illuminated

Low setting:

Left LED illuminated only

For more information on the temperature settings refer to § 3.5.

MR810 Technical Manual Revision C REF 185042601

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Contents

Page International United States Australia China Guangzhou Representative Office CONTENTS ELECTRICAL SAFETY TESTS ERFORMANCE EST ROCEDURE APPENDIX A: MAINTENANCE CHECKLIST 1 GENERAL INFORMATION 1.1INTRODUCTION 1.2GLOSSARY OF TERMS 1.3DEFINITIONS 1.4 SYMBOLS 1.5TECHNICAL MANUAL REVISION HISTORY 2SPECIFICATIONS MECHANICAL ELECTRICAL PERFORMANCE Temperature 2.4TRANSPORT AND STORAGE 2.5STANDARDS 3OPERATION AND CONTROLS 3.1 APPLICATION 3.2WARNINGS AND CAUTIONS 3.3SETUP 3.4CONTROLS AND INDICATORS 3.4.3"SEE MANUAL" INDICATOR Hardware Fault Microprocessor Fault 3.4.4 HEATER-WIRE INDICATOR 3.4.5AMBIENT TEMPERATURE SENSOR 3.5OPERATION 3.6DIAGNOSTIC PORT 4MAINTENANCE & CLEANING PROCEDURES 4.1CLEANING 4.2ANNUAL MAINTENANCE Page 5.2SEE MANUAL CODES See Fault Description Section Setting 6SERVICING PROCEDURES 6.1PRECAUTIONS 6.2OPENING THE CASE AND REMOVING THE PCB Figure 6.1: Removing the case bottom 6.2.2 REMOVING THE PCB 6.2.2 R PCB Figure 6.2: Removing the PCB 6.3REPLACING FUSES Model Supply Voltage Fuse Type Part Number 6.4REPLACING THE PCB PCB 6.5SERVICING THE HEATER PLATE Exploded Screw Application Driver Heater Plate Resistance Page Element 6.6REPLACING THE POWER CABLE OR HEATER-WIRE ADAPTOR Supply Power Cable Phase Neutral Page 6.7REPLACING THE PUSH BUTTONS AND THE LED LIGHT PIPE 6.8ASSEMBLING THE PCB AND CASE 6.9COMPLETING THE SERVICE 7ELECTRICAL SAFETY TESTS 7.1PROTECTIVE EARTH RESISTANCE 7.2EARTH LEAKAGE CURRENT 7.3INSULATION RESISTANCE 8PERFORMANCE TEST PROCEDURE 8.1INTRODUCTION 8.2FUNCTIONAL CHECK 8.3HEATER-WIRE MODE PERFORMANCE CHECK 8.4NON HEATER-WIRE MODE PERFORMANCE CHECK Appendix A: MAINTENANCE CHECKLIST Appendix A: M Pass/Fail Visual Check (refer § 4.1) Electrical Safety Check (refer § 7) Performance Check (refer § 8) Appendix B: PRODUCT HISTORY Date Change First Serial # Description of Change Appendix C: D Description (Figure 8.1) C.2 MR810 EXPLODED DIAGRAM C.3 HEATER PLATE PARTS LIST (Figure 8.2) C.4 HEATER PLATE EXPLODED DIAGRAM Appendix D: ELECTROMAGNETIC COMPATIBILITY Appendix D: E D.1 COMPLIANCE AND WARNINGS D.2 ELECTROMAGNETIC EMISSIONS D.3 ELECTROMAGNETIC IMMUNITY Recommended separation distance Recommended separation distances between portable and mobile RF communications equipment and the MR810 Rated maximum output Separation distance according to the frequency of transmitter (m)