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Classification of warnings by severity using symbols and signal words.
Covers installation, improper operation, flue gas, flammable materials, and safety devices.
Warns against DIY maintenance/repairs and stresses professional rectifications and intervals.
Guides on how to start up the product after installation, including isolator devices.
Instructions for setting hot water and heating flow temperatures.
Guides on self-checks for faults and when to contact a professional.
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General