Navien NFB-301C, User'S Information Manual

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2 Contents
Contents
1. Safety Information 3
2. About the Boiler 5
2.1 Description of the Boiler 5
2.2 Parts of the Boiler 5
2.3 The Front Panel 6
3. Operating the Boiler 7
3.1 Turning the Boiler On or Off 7
3.2 Adjusting the Temperature 8
3.3 About the Operating Status Information 9
3.4 Viewing Basic Information 9
3.5 Resetting the Boiler 10
4. Maintaining the Boiler 11
4.1 Cleaning the Boiler 11
4.2 Draining the Boiler 11
4.3 Cleaning the Air Intake Filter 12
4.4 Protecting the Boiler from Freezing 13
4.5 Maintenance Schedules 13
5. Troubleshooting 18
5.1 Solving Basic Problems 18
5.2 Understanding Error Codes 19