Key To Symbols And Safety Instructions; Explanation Of Symbols; Safety Instructions - Bosch ISM 1 Installation Instructions Manual

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Key to symbols and safety instructions

1.1

Explanation of symbols

Warnings
Warnings in this document are
framed and identified by a warning
triangle which is printed on a grey
background.
Electrical hazards are identified by
a lightning symbol surrounded by a
warning triangle.
Keywords indicate the seriousness of the hazard
in terms of the consequences of not following the

safety instructions.

NOTE indicates that material damage may
•
occur.
CAUTION indicates that minor to medium
•
injury may occur.
WARNING indicates that serious injury may
•
occur.
DANGER indicates possible risk to life.
•
Important information
Important information in cases
where there is no risk of injury or
material losses is identified by the
symbol shown on the left. It is
bordered by horizontal lines above
and below the text.
Key to symbols and safety instructions | 99
Additional symbols
Symbol Meaning
a step in an action sequence
B
a reference to a related part in the
document or to other related
documents
a list entry
•
a list entry (second level)
–
Table 1
1.2 Safety instructions
These instructions must be observed to
B
ensure correct operation.
Install and commission the heating appliance
B
and all accessories in accordance with the
instructions provided.
This accessory must only be installed by
B
suitably qualified installers.
Use these accessories exclusively in
B
conjunction with the controllers and heating
appliances listed.
Observe connection diagram!
This accessory may require a different voltage.
B
Never connect the low voltage side to the 220
to 240 V mains or vice-versa.
Before installing this accessory:
B
Disconnect the power supply (220 to
240 V AC) to the heating appliance and all
other BUS subscribers.
For wall mounting: never install this accessory
B
in wet rooms.
6 720 645 355 (2010/09)