Operating instructions

2
Safety instructions
Safety instructions
Please follow these safety instructions closely to prevent accidents and
material losses.
Safety regulations
Installation, initial start-up, inspection,
maintenance and repairs must only
be carried out by a competent
person (heating engineer/installation
contractor).
Observe all current safety regulations
as defined by DIN, EN, DVGW and
VDE or locally applicable standards.
See also the safety instructions sheet
in the Vitotec technical documentation
folder.
Before working on the equipment/
heating system/solar 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.
Earthing/lightning protection of the
solar heating system
Install an electrical conductor on the
pipework system of the solar circuit
in the lower part of the building in
accordance with VDE or local
regulations.
The connection of the collector
system to an existing or new
lightning conductor system or the
creation of local earth bonding must
only be carried out by authorised
trained personnel under observation
of local conditions.
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
The 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.
¨ĂSafety instructions
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.
5862Ă490ĂGB