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General| Category | Boiler |
|---|---|
| Manufacturer | Viessmann |
| Model | B2HF |
| AFUE | 95% |
| Heat Exchanger Material | Stainless Steel |
| Mounting | Wall-mounted |
| Type | Condensing Boiler |
| Fuel Type | Natural Gas |
| Efficiency | Up to 98% |
| Control System | Vitotronic control system |
| NOx Emissions | < 20 ppm |
Step-by-step guide for physically mounting the boiler and connecting pipes.
Instructions on how to attach the boiler to its wall bracket.
Details how to make connections for heating water and DHW.
Guidance on connecting the flue gas system.
Overview of all commissioning, inspection, and maintenance steps.
Guide to using the commissioning assistant for initial setup.
Detailed steps for filling the heating system with water.
Instructions for checking water connections for leaks.
How to remove air from the heating system.
Procedures for checking gas pressure levels.
Troubleshooting guide for common operational faults.
Adjusting the maximum heating output for optimal performance.
Setting the speed for the circulation pump.
Performing a tightness test on the flue system.
Step-by-step guide to remove the boiler burner.
Inspecting and replacing burner gasket and gauze.
How to check and adjust ignition and ionisation electrodes.
Performing leak tests on gas equipment under operating pressure.
Measuring and verifying combustion quality parameters.
Navigating the service menu for diagnostics and settings.
Retrieving past fault and service messages.
Testing the functionality of various appliance actuators.
Understanding how fault messages are displayed.
Accessing saved fault messages for diagnosis.
Comprehensive list of fault codes, causes, and measures.
Wiring diagram for the HMU heat management unit.
Wiring diagram for the BCU burner control unit.
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