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2 Product information
Vitolig 100
Construction
K
H
F
E
A
B
D
C
G
Function
Prior to the initial start−up, check whether
the system contains water and has been
vented. The required boiler water
temperature is regulated via the
combustion controller using the following
table (ash door must be closed).
Outside temperature
For system temperature 90 ºC
Heating flow temperature
Boiler water temperature
For system temperature 75 ºC
Heating flow temperature
Boiler water temperature
For underfloor heating and low−temperature
heating systems
Heating flow temperature
Boiler water temperature
8
The highest flow temperature is usually
allocated to the lowest outside
temperature (in this example 20 ºC).
A three−way mixer with heating circuit
control (accessory) regulates the heating
flow temperature in weather−compensated
mode.
20 ºC
10 ºC
0 ºC
90
80
65
90
80
75
75
65
55
75
75
75
45
40
38
75
75
75
As a boiler with natural draught and
combustion from below, Vitolig 100
comprises only a few, simple operating
elements.
Behind the large feed door A is the
hopper B for split logs up to a length of
33 cm. A water−cooled and therefore
low−wearing grate C utilises the high
temperatures of the incandescent bed.
The secondary ventilation control D
assures Vitolig 100 of excellent
combustion results
complete combustion.
The secondary air is channelled into the
feed door through a rotary valve. The
heat−up flap E is easy to operate from
the front and is only opened during
heating−up and re−filling.
The combustion controller F regulates
the required boiler water temperature via
the primary air volume. To achieve this,
close the ash door G.
The integral heat exchanger H in
conjunction with a thermostatic drain
valve (accessory) acts as excess
temperature protection. The 60 mm thick
thermal insulation K ensures low losses
during the heating operation.
During the heat−up phase, and if the
boiler water temperature falls below
60 ºC, the standard minimum
temperature controller switches the
heating pump and possibly the DHW
circulation pump off.
The pumps are automatically switched
on again, if the minimum temperature of
60 ºC is exceeded. A fall below the dew
+10 ºC
point (condensation) is thereby safely
prevented.
The installation of a three−way mixer is
45
essential to improve the controllability
75
of Vitolig 100.
Do not add too much fuel when heat is
only drawn off in modest quantities
40
(mild outside temperature). Always
75
ensure that heat is drawn off.
28
75
from heat−up to
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