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Provides information about the Vaillant boiler, its features, and contacting support.
Explains symbols used in the manual for important notes and required steps.
States that Vaillant accepts no liability for damage from failure to observe instructions.
Details operating controls for the TURBOmax Plus boiler, listing numbered components.
Describes operating controls for the THERMOcompact boiler, referencing a sticker for identification.
Explains the multifunction boiler display and indicator lights for both boiler types.
Details the necessary checks and valve operations before initial boiler startup.
Guidance on checking the system's water contents using the pressure gauge.
Important note about using the boiler only when the heating system contains water.
Instructions on adjusting the domestic hot water temperature control knob.
Explains the warmstart facility for instantaneous hot water delivery and how to activate/deactivate it.
Describes how the TURBOmax Plus boiler automatically operates to deliver hot water when a tap is opened.
Instructions on setting the maximum radiator temperature control knob for different seasons.
Guidance on setting room thermostats and thermostatic radiator valves.
Explains how to reset the boiler after a lockout or fault, including fault codes.
Instructions for turning off central heating only (Summer mode) or the entire unit.
Instructions for turning off central heating only or the entire unit for short periods.
Guidance on cleaning the boiler casing and recommended annual servicing.
Explains the boiler's frost protection function and precautions for cold weather.
Provides steps to check when the boiler fails to operate or has no central heating.
Explains how to activate status displays and lists common status codes for service work.
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General