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General information
Safety instructions
Please follow these safety instructions closely to prevent accidents and
material losses.
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 the equipment/
heating system, isolate the mains
electrical supply (e.g. by removing a
separate mains fuse or by means of
a mains electrical isolator) and
safeguard against unauthorised
reconnection.
Close the main gas shut−off valve
and safeguard against unauthorised
reopening.
Work on gas equipment
This must only be carried out by an
approved contractor.
Observe all commissioning work
specified for gas installations to TRGI
or TRF and all local regulations.
Applicability
from serial no.
7175475 3 00001 kkk
Operating and service documents
1. Complete and detach the
customer registration card:
H Give the system user this part
for safe−keeping.
H Retain the heating engineer part.
2
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.
¨ Safety instructions
In this instruction manual, this
heading denotes information which
must be observed to prevent
accidents and material losses.
2. Keep all parts lists, operating and
service instructions in the folder
and hand this over to the system
user.
The installation instructions will
not be required after the
installation is completed, and may
therefore be discarded.
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