10
expansion module B, the mixer information
windows are activated.
Main screen configuration view.
Right window on the main screen may also
display the fuel level view, providing that this
parameter is set correctly. Tip: Fuel level
may be displayed on room panel.
8.3
The controller start-up
After connecting the power the controller
shows the settings put before connecting the
electricity. If the controller has not operated
before it will start up in „Stand
-
by” mode. In
this mode the screen is dimmed, actual time
and information
“
Boiler Off
”
is displayed.
View of the controller off screen.
In „Stand
-by
”
mode protecting
pumps against going stale function is
in operation. It is executed by
temporary
switching
them
on.
Therefore it is advised to keep the
electrical power to the controller on
when the boiler is not in use.
It is possible to start-up the boiler by
pressing the
button and selecting the
activation,
or
setting
its
operating
parameters by the
or
buttons,
without having to turn it on. After making
sure that fuel is in the fuel silo, and the
hatch is closed the boiler can be switched on.
8.4
Preset temperature setting
The preset boiler temperature and preset
circuits temperature can be set in the menu
(possible temperatures are restricted with
range of respective service parameters of the
controller):
Boiler settings
→
Preset boiler temp.
Mixer settings 1-2
→
Preset mixer temp.
The parameter value
Preset boiler temp.
, is
by controller bypassed when the preset
boiler temperature is controlled by weather
sensor. Regardless of that, the preset boiler
temp. is automatically increased to load the
hot user water tank and power heating
circuits of mixers.
8.5
FIRING UP mode
The FIRING UP mode is for automatic firing
up of furnace in boiler. Total time of firing up
process is depends
on controller’s settings
and on boiler’s condition before firing up.
Parameters influencing firing up process are
in the menu:
Service
settings
→
Burner settings
→
Firing-up
In case of failed attempt of firing up the
furnace another attempts are taken during
which amount of fuel is reduced to 10% of
first attempt’s dose.
Firing up attempts are
signaled by the numbers next to the igniter
symbol.
After three failed firing up attempts an alarm
“
Failed firing up attempt
” is reported. Boiler’s
operation is then stopped. It is not possible
to automatically continue boiler’s operation.
Service intervention is required. After finding
and solving the cause of firing up failure the
boiler should be fired up again.
8.6
OPERATION mode
In the OPERATION modes the burner fan
operates constantly, fuel feeder is engaged
periodically, where period consists of fuel
feeder (stoker) operating time and pause in
fuel feeding time.
Fan and feeder operation cycles.
Boiler Off
Feed time
operat
Feed interval
operat
Feed time
operat
Feed interval
operat
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