Contents
Contents
1
1.1
Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2
2
2.1
Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2
3
4
4.1
5
2
1
Safety considerations
1.1
Key to symbols
Warnings
Warnings in this document are identified by a warning
triangle printed against a grey background.
Keywords at the start of a warning indicate the type and
seriousness of the ensuing risk if measures to prevent
the risk are not taken.
The following keywords are defined and can be used in this document:
• NOTE indicates a situation that could result in damage to property or
equipment.
• CAUTION indicates a situation that could result in minor to medium
personal injury.
• WARNING indicates a situation that could result in severe personal
injury or death.
• DANGER indicates a situation that will result in severe injury or death.
Important information
This symbol indicates important information where
there is no risk of personal injury or property damage.
Additional symbols
Symbol
Explanation
Step in an action sequence
B
Cross-reference to another part of the document
List entry
•
-
List entry (second level)
Table 1
1.2
Safety instructions
Risk to life through the explosion of volatile gases
B Work on gas components must be carried out by qualified and
authorized personnel only.
Risk to life from electric shock.
B Disconnect the power supply to the heating system before conducting
any work on it, e.g. switch off the heating emergency switch outside
the boiler room.
B It is not sufficient just to switch off the control.
Logano GC 124 II - 6 720 804 435 (2012/09)