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General information
Safety instructions
Please follow these safety instructions closely to prevent accidents and
material losses. For safety instructions in conjunction with boilers, see
separate service instructions.
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.
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.
Product characteristics
The following standard characteristics and product characteristics determined
as system values for Vitocell V 300 and Vitocell W 300 (see table) can be utilised
for the energy assessment of heating and ventilation equipment to DIN V 4701 10
specified by the EnEV [Germany].
Capacity
Standby loss
q
at 45 K temp. differential
BS
2
Initial start−up
The system must be commissioned
by the system installer or a qualified
person authorised by the installer.
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.
¨ This symbol denotes information
which must be observed to
prevent material losses.
litres
kWh/24 h
130
160
1.3
1.4
200
1.6
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