2Contents
Contents
1. Safety Information 3
2. About the Water Heater 7
2.1 Description of the Water Heater 7
2.2 Parts of the Water Heater 7
2.3 The Front Panel 8
3. Operating the Water Heater 9
3.1 Turning the Water Heater On or Off 9
3.2 Adjusting the Water Temperature 9
3.3 Resetting the Water Heater 10
4. Maintaining the Water Heater 11
4.1 Cleaning the Water Heater 11
4.2 Draining the Water Heater 11
4.3 Flushing the Heat Exchanger 12
4.4 Cleaning the Inlet Water Filter and
Recirculation Inlet Filter 13
4.5 Cleaning the Air Intake Filter 14
4.6 Protecting the Water Heater from Freezing 15
5. Troubleshooting 16
5.1 Solving Basic Problems 16
5.2 Understanding Error Codes 17
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