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Safety instructions and general precautions for installation and use of the boiler.
Description of the wall-mounted gas boiler and its basic features.
Explanation of the boiler's modulating high-efficiency operation.
Overview of the unit's operational states, detailed on subsequent pages.
Detailed descriptions of various operating modes like Standby, CH, and DHW.
Explanation of the tap comfort function for fast domestic hot water supply.
Information on connecting a PC and executing test programs.
Description of available test programs and how to use them.
Explanation of the unit's frost protection mechanism and its requirements.
Diagram and list identifying all major internal components of the boiler.
List of optional accessories for the boiler with their article numbers.
Detailed dimensions and connection points for unit installation.
Guidelines for selecting the appropriate installation location and ventilation.
Instructions for assembling the suspension strip, bottom connection set, and the unit.
Steps for connecting the central heating installation to the unit.
Instructions for connecting the domestic hot water system to the unit.
Details on electrical connections for thermostats and sensors.
Guide to connecting different types of room thermostats, including wireless.
Instructions for connecting an outdoor sensor for weather-dependent regulation.
Procedure for connecting the gas supply to the unit.
Guidelines for installing flue and air supply duct materials, including safety.
Description of various permitted flue gas outlet systems and their configurations.
Details on available flue materials for different unit categories (C13, C33).
Instructions for connecting to flue systems without air inlet, including length limits.
Permitted pipe lengths and assembly for sealed flue systems (concentric and parallel).
Information on using CE-approved flue materials and identification strings.
Regulations and methods for properly securing the flue system components.
Guidelines for air supply from facade/roof outlet with communal exhaust systems.
Details on combined flue outlet/air inlet systems, including diameter requirements.
Specifics for concentric horizontal flue gas outlets within a vertical shaft.
Procedure for filling the unit and installation with water and purging air.
Steps to follow after filling and purging to commission the unit.
Instructions for safely switching off the unit and details on frost protection.
How to operate functions like On/Off, Summer mode, and Tap Comfort directly.
Detailed table and procedure for adjusting various unit parameters using the service code.
Procedure to adjust the maximum central heating power output.
How to adjust the modulating pump capacity based on CH load.
Configuration of weather-dependent regulation using an outdoor sensor.
Instructions for converting the unit to a different type of gas.
Procedure for checking and adjusting the gas/air ratio.
Detailed steps for checking and adjusting the CO2 percentage for optimal combustion.
How to view the last recorded malfunction code on the display.
Table of malfunction codes, descriptions, and possible causes/solutions.
Troubleshooting guide for various faults like noisy ignition, resonance, and no heating.
Step-by-step guide for safely disassembling the unit for maintenance tasks.
Instructions for cleaning the heat exchanger, condense outlet tray, and siphon.
Guidance on correctly refitting components after maintenance, including seals and connections.
Overview of unit categories and gas types the boiler is suitable for.
Technical data for domestic water and central heating performance.
Details on gas consumption, flue gas, electrical data, and dimensions.
Technical product fiche details including energy efficiency ratings and consumption.
Diagram showing electrical connections for sensors, pumps, and thermostats.
Table of NTC thermistor resistance values at different temperatures.
Overview of general warranty conditions and voiding factors.
Notes on unit disposal, materials, and intended application.
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