2
General information
Safety instructions
Please follow these safety instructions closely to prevent accidents and
material losses.
If you smell gas
H
Do not smoke! Do not use naked
flames or cause sparks (e.g. by
switching lights or electrical
appliances ON or OFF)
H
Open windows and doors
H
Close gas shut−off valve
H
Notify your heating engineer/
installation contractor from outside
the building
H
Observe the safety regulations of
your gas supplier (see gas meter)
and of your local heating
contractor (see commissioning/
training report).
In an emergency
H
Immediately switch OFF emergency
stop switch (outside boiler room)
(except if you smell gas).
H
Close the shut−off valves of the
main fuel lines.
H
For fire, use an appropriate fire
extinguisher.
Work on the equipment
Installation, initial start−up, inspection,
maintenance and repairs must only
be carried out by a competent
person (heating engineer/installation
contractor).
Before working on equipment/ heating
system, isolate its mains electrical
supply (e.g. by removing a separate
mains fuse or by means of a mains
electrical isolator) and safeguard
against unauthorised reconnection.
When using gas as fuel, also close
main gas shut−off valve and safeguard
against unauthorised reopening.
Installation of additional components
Installation of additional components
which have not been tested together
with the boiler can adversely affect the
boiler function.
Our warranty does not cover and we
accept no liability for damage caused
by the installation of such components.
Boiler room conditions
H
Do not use where air is polluted
with halogenated hydrocarbons
(e.g. as in aerosols, paints,
solvents and cleaning agents)
H
Prevent very dusty conditions
H
Avoid rooms with permanently
high levels of humidity
H
Room should be frost protected
H
Ensure good ventilation, and never
close any vents.
Work on gas equipment
This must only be carried out by an
approved contractor.
Please observe all commissioning
work for gas installations specified
according to TRGI or TRF, or local
regulations.
Repair work
It is not permitted to carry out
repairs on parts that fulfil a safety
function.
Use only original Viessmann spare
parts, or equivalent parts that have
been approved by Viessmann.
Initial start−up
Initial start−up must be carried out by
the system installer or a designated
commissioning engineer. All actual
values should be recorded in a
commissioning/service report.
Instructing the system user
The system installer must hand the
operating instructions to the system
user and instruct him/her in the
operation of the system.
¨
Safety instruction
In this instruction manual, this
heading denotes information which
must be observed to prevent
accidents and material losses.
¨
This symbol denotes information
which must be observed to
prevent material losses.
5692729 GB