Key To Symbols And Safety Instructions; Maintenance; Key To Symbols; Safety Instructions - Bosch WR 11 B Installation Manual And Operating Instructions

1

Key to symbols and safety instructions

1.1

Key to symbols

Warnings
Warnings in this document are identi ed 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 de ned and can be used in this
document:
• NOTICE indicates a situation that could result in damage to
property or equipment.
• CAUTION indicates a situation that could result in minor to
medium injury.
• WARNING indicates a situation that could result in severe
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 to people or property.
Additional symbols
Symbol Explanation
Step in an action sequence
Cross-reference to another part of the document

• List entry
– List entry (second level)
Table 1
1.2

Safety Instructions

If there is a smell of gas:
Close the gas valve.
Open windows.
Do not operate any electrical appliances or switches (on/
o ).
Extinguish any naked ames.
Phone the gas company or an authorized technician from a
safe distance.
Key to symbols and safety instructions | 3
If there is a smell of burnt gases:
Disconnect the appliance.
Open doors and windows.
Inform an installation company.
Burn-back ( re in burner tube or chamber)
In the event of a burn-back, where the ame burns back to
the injector, immediately turn o the gas supply at the
control valve on the panel.
After ensuring the ame is extinguished, wait for one
minute and re-light the appliance in the normal manner.
Should the appliance again bu
valve and call a service technician.
Do not use the appliance again until the service technician
has declared that it is safe to do so.
Fitting, modi cations
The tting and modi cation of the installation of the
appliance must be carried out only by an authorized
technician.
The installation of the water heater may only be carried out
by a registered installer and that such installations shall
comply with the requirements of SANS 10087-1.
The pipes carrying burnt ga ses must not be modi ed.
Do not close or reduce air circulation holes.

Maintenance

We reccomend to have the system regularly serviced in
order to ensure that it functions reliably and safely.
The installer is respon s ible for the safety and
environmental compatibilit
The appliance should be serviced annually.
Only original spare parts must be used.
Explosive and in ammable materials
In ammable materials (paper, solvents, ink, etc.) should
not be stored near the appliance.
Combustion air and ambient air
To avoid corrosion, combustion air and ambient air should
be free of aggressi ve substances (for example halogenated
hydrocarbons containing chlorine and uoride
composites).
rn back, close the control
y of the installation.
6720648592 (2014/05)