Safety Instructions - Wolf CGB-2 Service Instructions Manual

Authorised personnel should read these instructions
before any installation, commissioning or service work.
Adhere to the specifications in this document. Failure
to observe these installation instructions voids any
WOLF warranty.
The gas condensing boiler must be installed, commis-
sioned and maintained by qualified and trained person-
nel only. In accordance with VDE 0105 Part 1, work on
electrical components (e.g. control unit) may be carried
out only by qualified electricians.
VDE/ÖVE regulations [Germany/Austria] and those of
your local power supply utility are applicable to electri-
cal installation work.
Only operate the gas condensing boiler within its output
range, which is stated in the technical documentation
supplied by WOLF. Intended use of the boiler includes
exclusive use for hot water heating systems in accord-
ance with EN 12828.
Never remove, bypass or otherwise disable any safety
or monitoring equipment. Operate the boiler only if it is
in perfect technical condition.
Any faults or damage which impact or might impact
upon safety must be remedied immediately by a quali-
fied contractor. Replace faulty components and equip-
ment only with original WOLF spare parts.
Symbols
The following warning symbols are used in these instructions.
These relate to personal safety and operational reliability.
Instructions that must be followed precisely in order
to prevent risk and injury to persons.
Instructions that must be followed precisely in order
to prevent risk and injury to persons from live electri-
cal components.
Indicates technical instructions that must be
Please
observed to prevent damage to the boiler and
note
malfunctions.
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1. Safety instructions
Danger: if you smell gas
- Close the gas tap.
- Open the windows.
- Do not operate any electrical switches.
- Extinguish naked flames.
- Phone the gas supply utility company and an ap-
proved contractor from an external location.
Danger from „live" electrical components
Never touch electrical components or contacts
when the ON/OFF switch is in the ON position.
There is a danger of electrocution, resulting in
a risk to health or death. The main terminals are
'live', even when the ON/OFF switch is in the OFF
position.
Danger: if you smell flue gas
- Switch OFF the appliance.
- Open windows and doors
- Notify an approved contractor.
Risk of scalding
Boilers may contain hot water.
Hot water can cause severe scalding.
Before working on parts which are in contact
with water, allow the appliance to cool to below
40 °C, shut off all valves and, if necessary, drain
the appliance.
Risk of burns
Boiler components may be extremely hot.
Hot components can cause burns.
Before working on the opened up appliance, allow
it to cool below 40 °C or wear suitable gloves.
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