Safety Information - Wolf CGB-75 Installation And Operating Instructions Manual

Authorised personnel should read these instructions
before any installation, commissioning or service work.
Comply with the specifications in this document. Failure to
observe these installation instructions voids any warranty
claim against WOLF.
In some countries, the relevant gas supply company
must be notified of the installation of a gas boiler and
must give their approval.
Please note that regional permits may be required for
the flue gas system and connecting the condensate
drain to the public sewer.
Before starting installation work, the local flue gas in-
spector and waste water authority must be informed.
The gas condensing boiler must only be installed, commis-
sioned and serviced by qualified and trained personnel.
In accordance with VDE 0105 Part 1, work on electrical
components (e.g. control unit) may only be carried out
by qualified electricians.
VDE/ÖVE regulations [Germany/Austria] and those of
your local power supply utility company are applicable
to electrical installation work.
Only operate the gas condensing boiler within the 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 accordance
with DIN EN 12828.
Never remove, bypass or otherwise disable any safety or
monitoring equipment. Only operate the appliance if it is
in perfect technical condition.
Any faults or damage which impact or might impact safety
must be remedied immediately by a qualified contractor.
Only replace faulty components and equipment with orig-
inal WOLF spare parts.
Symbols
The following warning symbols are used in these instruc-
tions.
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
Note
observed to prevent damage to the boiler and
malfunctions.
4
2. Safety information
Danger: if you smell gas
- Close the gas valve.
- Open the windows.
- Do not operate any electrical switches.
- Extinguish naked flames.
- From an external location, telephone the gas sup-
ply utility company and an approved contractor.
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, al-
low it to cool below 40 °C or wear suitable gloves.
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