11
rotary burner cleaning mechanism will be
activated and then the burner will fire up
again. The furnace is cleaned in the FIRING
UP and BURNING OFF mode. Additional
parameters responsible for cleaning are
grouped in the menu:
Service settings
→
Burner settings
→
Cleaning
3.6
Exchanger cleaning service
The regulator enables cleaning the exchanger
from soot and dust deposits. For this
purpose, the regulator uses the exhaust fan,
which operates for the time set in the
parameter Exchanger cleaning time with a
break in its operation set in the Exchanger
cleaning interval parameter. The exchanger
cleaning time can be defined separately for
all days of the week in the Schedule setting.
3.7
Weatcher control
In order to adjust the furnace temperature
from the temperature outside the building,
weather control can be enabled, which
requires the connection of an external
temperature sensor (weather). The
temperature of the furnace is set depending
on the temperature outside the building. The
colder it is outside, the higher the
temperature of the furnace. This relation is
expressed in the controller in the form of a
heating curve. The heating curve should be
selected experimentally by changing it at
intervals of several days. With the right
selection of the heating curve, the furnace
temperature is calculated depending on the
value of the outside temperature. Thanks to
this, when selecting a heating curve
appropriate for a given building, the room
temperature (heating zone) will remain
approximately constant, regardless of the
outside
temperature.
Heating curves.
Tips for choosing the right heating curve:
• if the room temperature rises with the
falling outside temperature, the value of the
selected heating curve is too high,
• if the temperature in the room drops with
the falling outside temperature, the value of
the selected heating curve is too low,
• if the room temperature is appropriate
during freezing weather and it is too low
during warming up - it is recommended to
increase the Parallel shift of the heating
curve parameter and select a lower heating
curve,
• if the room temperature is too low during
freezing weather and it is too high during
warming - it is recommended to decrease the
Parallel shift of the heating curve parameter
and select a higher heating curve.
Buildings that are poorly insulated require
setting heating curves with higher values,
while for buildings that are well-insulated,
the heating curve will have a lower value.
Description of night time decrease
settings
The time periods enable the introduction of a
reduction in the set airflow temperature in a
specific time period, e.g. at night or when
the user leaves the heated rooms. As a
result, the set temperature can be
automatically lowered without losing thermal
comfort, while reducing fuel consumption. To
activate the time periods, set the parameter
Night time decrease to On in the menu:
Device settings
→
Heater night decrease
Summary of Contents for ecoMAX920 P1-CH
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