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Viessmann Vitodens 111-W - 2023 Manual

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The appliance is intended solely for installation and
operation in sealed unvented heating systems that
comply with EN 12828, with due attention paid to
CECS 215-2017 and the associated installation, serv-
ice and operating instructions. It is only designed for
heating up heating water that is of potable water qual-
ity.
Intended use presupposes that a fixed installation in
conjunction with permissible, system-specific compo-
nents has been carried out.
The appliance is intended exclusively for domestic or
semi-domestic use; even users who have not had any
instruction are able to operate the appliance safely.
Commercial or industrial usage for a purpose other
than heating the building or DHW shall be deemed
inappropriate.
Any usage beyond this must be approved by the man-
ufacturer in each individual case.
Incorrect usage or operation of the appliance (e.g. the
appliance being opened by the system user) is prohibi-
ted and will result in an exclusion of liability. Incorrect
usage also occurs if the components in the heating
system are modified from their intended use (e.g. if the
flue gas and ventilation air paths are sealed).
Product information
The control unit is a boiler and heating circuit control
unit for the following operating modes:
■Weather-compensated operation
■Constant operation with time program
■Room temperature-dependent operation:
–Constant operation as option with room tempera-
ture controller
–OpenTherm controller
■Individual room control with/without modulation
Your heating contractor will configure the operating
mode during commissioning in accordance with your
heating system.
These instructions describe all 4 operating modes.
The setting options for room temperature-dependent
operation with an OpenTherm controller via the system
are limited:
OpenTherm controller operating instructions
Weather-compensated operation
In weather-compensated operation, the flow tempera-
ture level is controlled according to the outside temper-
ature. The lower the outside temperature, the higher
the flow temperature. This means that more heat is
provided for central heating on cold days than on
warmer days.
In weather-compensated operation, 1 heating circuit
without mixer and 1 heating circuit with mixer can be
operated with the control unit.
Constant operation with time program
In constant operation, the heat generator provides
heating water with a constant flow temperature regard-
less of the outside temperature.
Heating times are controlled by a time program.
In constant operation, 1 heating circuit without mixer
and 1 heating circuit with mixer can be operated with
the control unit.
Room temperature-dependent operation
In room temperature-dependent operation, the central
heating is switched on or off subject to the room tem-
perature. The flow temperature remains constant.
In room temperature-dependent operation, 1 heating
circuit without mixer can be operated with the control
unit.
Constant operation as option with room tempera-
ture controller
In constant mode with a room temperature controller,
the controller measures the room temperature and
compares it with the selected required room tempera-
ture. If the temperatures are different, the room tem-
perature is regulated to the required value.
Introductory information
Intended use
6167584
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Others manual(s) of Viessmann Vitodens 111-W - 2023

Viessmann Vitodens 111-W - 2023 User Manual - German - 44 pages

Viessmann Vitodens 111-W - 2023 User Manual - Dutch - 44 pages


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