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1
Explanation of symbols and safety
instructions
1.1
Guideline 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:
•
DANGER indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
•
WARNING indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
•
CAUTION indicates a hazardous situation which, if not
avoided, could result in minor to moderate injury.
•
NOTICE is used to address practices not related to
personal injury.
Important information
This symbol indicates important information
where there is no risk to people or property.
Additional symbols
Symbol
Function
▶
Sequence of steps
Cross-reference to other points in this
document or to other documents
•
Listing/list entry
–
Listing/list entry (2nd level)
Outdoor temperature dependent function
Flashing display (e. g. flashing 1)
HC assignment
HC assignment
6 720 811 156-11.1O
Table 1
Additional symbols
CRC200
Explanation of symbols and safety instructions | 3
1.2
Safety instructions
These installation instructions are
intended for competent persons who
are skilled in dealing with water
installations, heating and electrical
systems.
▶ Read the installation instructions
(heat sources, modules, etc.) before
starting the installation.
▶ Observe safety instructions and
warnings.
▶ Observe national and regional
regulations, technical rules and
guidelines.
▶ Document all work performed.
Designated use
▶ Use the product only to control
heating systems in single- or multi-
family dwellings.
Any other use is considered improper.
Any resulting damage is excluded from
the manufacturer's warranty.
Installation, commissioning and
maintenance
Installation, commissioning and
maintenance may be performed only by
a licensed contractor.
▶ Never install the product in wet areas.
▶ Install only genuine spare parts.
Electrical work
Electrical work may be carried out only
by qualified electricians.
▶ Before starting electrical work:
6 720 821 651 (2017/05)
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