Safety Instructions - Wolf FGB-K Series Installation And Maintenance Instructions For Contractors

Authorised personnel should read these instructions
before any installation, commissioning or maintenance
work. Observe the instructions given in this document.
Failure to observe these installation instructions voids
any WOLF warranty.
In some countries, the installation of a gas boiler must
be notified to and approved by the relevant gas supply
company.
Please note that regional permits may be required for
the flue system and for connecting the condensate
drain to the public sewer.
Before installation work begins, the local flue gas
inspector and water authority must be informed.
The gas condensing
commissioned and maintained by qualified and trained
personnel only. In accordance with VDE 0105 Part 1,
work on electrical components (e.g. control units) must
only be carried out by qualified electricians.
Electrical installation work is governed by VDE/ÖVE
regulations and those of your local power supply utility.
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
the exclusive use for hot water heating systems in ac-
cordance with DIN EN 12828.
The gas condensing boiler is intended solely for instal-
lation and operation in sealed unvented heating sys-
tems.
Never remove, bypass or otherwise disable any safety
or monitoring equipment. Only operate the boiler when
it is in perfect technical condition.
Any faults or damage which impact or might impact
upon safety must be remedied immediately by a
qualified contractor. Only replace faulty components and
equipment with original 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
Please note
observed to prevent damage to the boiler and
malfunctions.
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2. Safety instructions

boiler must be installed,
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.
The main terminals are 'live', even when the ap-
pliance is set to "OFF".
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.
The boiler is intended solely for installation and
operation in sealed unvented heating systems.
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