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General| Water Pressure | Max. 3 bar |
|---|---|
| Type | Gas-fired condensing boiler |
| Fuel Type | Natural gas |
| Efficiency | Up to 98% |
| Control Unit | Vitotronic |
| Application | Heating |
Key features and standard equipment included with the boiler.
Details on connecting supply and return flanges to the boiler.
Instructions for reversing water connections to the left side.
Guidance on selecting a suitable installation location for the boiler.
Requirements for providing adequate fresh air for combustion.
Requirements for installing a low water cut-off device.
Guidance on selecting and setting pumps and aquastats.
Instructions for filling the heating system with water, including antifreeze.
Steps for removing an old boiler from a common venting system.
Procedure for testing the venting system under negative pressure.
Information on installing a side wall power vent system.
Instructions for installing the pressure relief valve.
Steps to check pilot and manifold gas pressures.
Electrical wiring requirements and safety precautions for the boiler.
Procedures for testing the gas piping system.
Guidelines for piping the boiler in a heating/cooling system.
Description of main burner flame characteristics and operation.
Description of pilot burner flame characteristics.
Recommended periodic checks for boiler components.
Annual servicing requirements for the boiler by a qualified agency.
Step-by-step instructions for lighting the boiler's pilot and main burners.
Information on the Vitotronic control unit and its settings.
Overview of general maintenance practices and testing after service.
Instructions for removing the main burner assembly for cleaning or replacement.
Detailed steps for cleaning the boiler's heat exchanger.
Instructions for removing the pilot burner assembly.
Precautions regarding water damage to boiler components.
Preventing damage to burners from drywall dust.
Measures to protect the boiler and system from freezing damage.
Troubleshooting steps when the pilot burner fails to ignite.
Diagnosing and resolving pilot failure leading to boiler lockout.
Troubleshooting intermittent pilot ignition and lockout issues.
Steps to diagnose why the main burners are not lighting.
Shows piping configurations for a single boiler installation.
Overview of the Vitotronic boiler control system.
Overview of the Vitotronic boiler control system.
Diagram of the Vitotronic boiler control and its connections.
Steps for assembling boiler sections using the draw tool.
Procedures for cleaning sealing grooves and components during assembly.
Final steps for assembling and sealing boiler sections.
