EUROSTER R1100WB – USER’S MANUAL 4
CYCLIC BLOWING TIME
CODE 0 1 2 3 4 5 6 7 8 9
TIME Off 5s 10s 15s 20s 30s 40s 60s 80s 100s
CYCLIC BLOWING INTERVAL
CODE 0 1 2 3 4 5 6 7 8 9
TIME 20s 1min 2min 4min 6min 8min 10min 12min 14min 16min
5. O ERATION OF THE CONTROLLER
a. mode: heating and cooling
•E1100WB is equipped with the heating function that is activated by the on/off
mains switch. This function is operational just after switching on the controller.
The controller checks the temperature of water in the boiler and when due to the
heating the temperature of the central heating sensor reaches the preset
temperature for the blower (the value preset for +10°C), the heating function will
be switched off and the controller will start its operation in accordance with the
settings. During the heating mode the controller does not receive information
from the external input (room regulator) and does not activate the pumps,
whereas the blower operates according to the user’s settings. When the
temperature in the boiler does not increase above 30ºC for 60 minutes, then the
controller will switch off the blower and activate the sound alarm for 20 minutes
(the furnace has cooled down). Another increase of temperature will cause the
blower to activate (heating) and operate according the user’s settings.
b. mode: controlling
•After heating up the boiler the controlling mode starts when the controller
operates according to the settings. Central heating pump is activated when the
temperature of the central heating sensor reaches the preset temperature. The
pump will be switched off if the temperature falls below the value set by 5ºC. Due
to activated DHW priority the central heating pump will be operational only when
the DHW pump is switched on.
The blower is activated when the temperature in the boiler decreases below the
preset temperature. In case when the temperature of the sensor reaches the
preset temperature, then the controller reduces its rotations every second until a
compete stop. When the measured temperature is above the preset temperature
then the process of cyclic activation of the blower will start in order to blow the
furnace. When exceeding the temperature of 85ºC the process of furnace blowing
will be inactive and the controller will start the alarm mode, absolutely activate
the central heating pump and start the acoustic signal (buzzer).
c. controlling the DHW pump and operation according to the priority
•Euroster 1100WB has a priority of heating DHW with a function of protecting the
DHW cylinder against cooling. During heating up the cylinder the controller does
not receive information from the room regulator and in this situation it will try to
heat the cylinder as soon as possible. Irrespective of other algorithms the blower
temperature will be automatically increased by 10ºC above the temperature
preset for the DHW pump. The pump is activated if the temperature of the
cylinder sensor is below the setting and the central heating temperature is 10ºC
above the current temperature of the DHW sensor. If the temperature increases
and reaches the preset temperature for the cylinder or when the temperature of
central heating sensor is equal or below the current temperature of the DHW
sensor, then the pump is switched off.
