Guideline To Symbols And Safety Instructions; Guideline To Symbols; Safety Instructions - Bosch ZBR16-3A Installation And Service Instructions Manual

4 | Guideline to symbols and safety instructions

1 Guideline to symbols and safety instructions
1.1

Guideline to symbols

Warnings
Warnings are indicated in the text by a
warning triangle and a gray background.
In case of danger from electric shock, the
exclamation point on the warning triangle is
replaced with a flash.
Signal words at the beginning of a warning are used to
indicate the type and seriousness of the ensuing risk if
measures for minimizing damage are not taken.
• NOTE indicates that damage to property may occur.
• CAUTION indicates possible minor to medium personal
injury.
• WARNING indicates possible severe personal injury.
• DANGER indicates a potential for loss of life.
Important Information
Important information neither indicating
personal injury nor damage to property are
marked with this symbol. They are separated
by lines above and below the text.
Additional symbols
Symbol Explanation
Sequence of steps
B
Cross-reference to other points in this
document or to other documents
Listing/list entry
•
Listing/list entry (2nd level)
–
Tab. 1 Additional Symbols
6 720 643 068 (2011/06)
1.2

Safety instructions

Safety first. Never risk your health or your life. Your own
safety must always take the highest priority.
Use approved personal protective devices and common
sense safety measures.
If you smell gas
B Turn off the gas cock (
B Open windows and doors.
B Do not operate any electrical switches.
B Extinguish all open flames.
B From outside the building, call gas utility company and
a trained and certified heating contractor.
If you smell flue gas
B Switch OFF the appliance (
B Open windows and doors.
B Inform a trained and certified heating contractor.
Danger of electric shock when the control panel is open
B Always disconnect the appliance from the mains power
before performing any work. Disconnect the emergency
shutoff switch or disengage the heating system circuit
breaker.
B Take measures to prevent accidental reconnection.
For appliances operating on room air: Danger of flue gas
poisoning if supply of combustion air is insufficient
B Safeguard supply of combustion air.
B The ventilation and exhaust openings must never be
plugged. The cross section of the ventilation and
exhaust openings must comply with the design
specifications at all times.
B Safeguard sufficient supply of combustion air also for
appliances installed at a later date, e.g. kitchen exhaust
fans, clothes dryers, and air conditioning units with vent
to the outside.
B Never install a barometric nor a thermally controlled
vent damper with this boiler.
B If the ventilation and exhaust openings do not comply
with the specifications, the heating system must never
be operated.
B Notify operator and building owner of the defect in
writing.
page 58).
page 59).
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