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User Manual
Singular Combi Boiler - BTC 439003302 A (2021/03)
Table of Contents
1 Key to Symbols and Safety Instructions 4
1.1 Key to Symbols 4
1.2 Safety 4
2 Front Panel 6
2.1 Digital Display and Icons 6
2.2 Buttons 6
3 Operating the Boiler 7
3.1 Turning the Boiler On or Off 7
3.2 Setting the Space Heating Temperature 7
3.3 Setting the DHW (Domestic Hot Water) Temperature 8
3.4 Viewing Basic Information 8
3.4.1 H0 mode 9
3.4.2 H1 mode 9
3.4.3 H2 mode 9
3.4.4 H3 mode 9
3.4.5 H4 mode 10
3.4.6 H5 mode 10
3.4.7 H6 mode 10
3.4.8 H7 mode 10
3.4.9 H8 mode 11
3.4.10 H9 mode 11
3.4.11 HA mode 11
3.4.12 HB mode 11
4 Inspection and Maintenance 12
4.1 Draining the Boiler 12
4.2 Cleaning the Cold Water Inlet Filter 14
4.3 Cleaning the Air Intake Filter 14
4.4 Protecting the Boiler from Freezing 15
4.5 Maintenance Schedules 15
4.5.1 Owner Maintenance 15
4.5.2 Service Technician Maintenance 15
5 Troubleshooting 17
5.1 Basic Problems 17
5.2 Error Codes 18
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