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Viessmann VITOPEND User Manual

Viessmann VITOPEND
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57
The room temperature is captured and
transmitted to the control unit by a sen-
sor. The sensor is fitted in the room.
The flow temperature is regulated inde-
pendently of the outside temperature.
Weather-compensated heating mode
In weather-compensated mode, the flow
temperature is controlled according to
the outside temperature. More heat is
made available at a lower outside tem-
perature than at a higher one.
The outside temperature is captured and
transmitted to the control unit by a sen-
sor. The sensor is fitted to the exterior of
the building.
Heating curve
Heating curves illustrate the relationship
between the outside temperature, the
set room temperature and the boiler
water temperature or flow temperature.
The lower the outside temperature, the
higher the boiler water temperature or
flow temperature.
In order to guarantee sufficient heat and
minimum fuel consumption at any out-
side temperature, the conditions of your
building and your heating system must
be taken into consideration. The heating
curve is set by your heating contractor
for this purpose.
The illustrated heating curves apply with
the following settings:
Heating curve level = 0
Standard room temperature (set
value) = 20 °C
Appendix
Terminology
(cont.)
5592 682 GB

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Viessmann VITOPEND Specifications

General IconGeneral
TypeCondensing Boiler
MountingWall-mounted
Max flow temperature85 °C
Fuel TypeNatural Gas / Propane
EfficiencyUp to 98%
Water pressureMax. 3 bar
Protection classIPX4

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