4 Servicing
4.1 General information on servicing
DANGER
When working on electrical components:
Risk of electrocution!
When work is carried out on electrical components:
❒ Only have work carried out by a qualified electrician
❒ Observe the applicable standards and regulations
➥ Work must not be carried out on electrical components by unauthorised
persons
DANGER
Risk of falling when working at a height
Therefore:
❒ Implement appropriate measures in accordance with the applicable national
industrial safety guidelines to protect against the risk of falling (e.g. ladders,
platforms, etc.)
WARNING
Inspection and cleaning work on a system which is operational:
Risk of serious injuries from automatic startup of the system and severe burns
from hot parts and the flue gas pipe!
When working on the system:
❒ always wear protective gloves
❒ only operate the boiler using the handles provided
❒ switch off the boiler by tapping “Boiler off” at the mode icon
➥ The boiler follows the shutdown procedure and switches to “Switched off
OFF“ status
❒ switch off the main switch and take precautions to prevent accidental
switching on
❒ allow the boiler to cool off for at least 1 hour
❒ once all of the tasks have been completed, turn the main switch back on and
switch the boiler on in the desired mode
Servicing
4
General information on servicing
Operating Instructions | B1300015_en
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