Special safety warnings
3.
Tighten the screw.
To draw attention to special dangers, the following symbols are used
in safety warnings:
Warning signs
Type of danger
Warning – high-voltage.
Warning – hot surface.
Warning – danger zone.
Tips and recommendations
Other symbols
Instructions, outcomes, lists, references and other elements are
highlighted in these instructions by the following symbols:
Symbol
Explanation
Step-by-step instructions
ð
Outcomes of instructions
References to sections of these instructions
and to other applicable documents
List without a specific order
[Button]
Operating element (e.g. button, switch), dis-
play element (e.g. indicator lamps)
‘Display’
Screen elements (e.g. buttons, function key
allocation)
10
Operating instructions
V03 06/2025 Item no. 215250 EA no. 1292
This symbol highlights useful tips and recommenda-
tions, as well as information for efficient and fault-
free operation.
The heat interface unit is to be used solely for the decentralised
heating of drinking water and for the distribution of hot water. It is
designed for use in self-contained drinking water systems and
heating systems.