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9.1 DESCRIPTION OF DISPLAY
Button
Description of functions
TURN ON / OFF (START / STOP)
Long key press – the boiler is turned on / off
Short key press – the boiler returns to the initial display
Pushing the button during operation increases the set power
With the previous push on MENU key, push on this key increases the desired
temperature
By pushing the MENU key, the SubMenu is chosen
Button –
Pushing the button during operation reduces the set power
With the previous push on MENU key, push on this key reduces the desired
temperature
By pushing the MENU key, the SubMenu is chosen
MENU button
Short key press in the initial display indicates the water temperature in the boiler
that can be adjusted by pressing the + and – buttons
By pressing the button for more than 2 s MENU display is activated
By pressing the button for more than 4 s access to advanced MENU is enabled
By continuing to press the key, the options of MENU are changed
To select items in the SubMenu the keys + and – are used.
By pressing the MENU button set parameter value, that can be changed by
pressing + and - key, starts flashing
Short press on TURN ON / OFF key provides return to the initial display
Display/Indicator
Description / Function
The
upper display
shows the status of the boiler, the
selected menu and the indicator of dosing operation on the
timer
The lower display shows clock, setting values and
parameters as well as names of warnings
Indicator of the operation of spark plugs (ignition device)
Indicator of operation of circuit pump
Indicator of operation of pellet dosing
9.2 BOILER DURING OPERATION – TURNING ON OF THE BOILER
By pressing the buttons
SWITCHING ON/SWITCHING OFF
for more than about half a second, while the
boiler is in standby mode, the display shows
ON
or
OFF
. Once the button is released, the boiler begins the
process of switching on. The words
TEST FIRE
are displayed, fans run at full speed to clean the firebox,
screw conveyor is idle and the ignition spark is heated. After that, if the temperature of the firebox is low,
HEAT UP
procedure begins, in which pellets are dosed fast and fans are still. Finally, the procedures
FUEL
IGNI
and
TEST IGNI
begin and proceed until the boiler reaches conditions for turning to the phase of burning
(
BURN
).
WHEN THE BOILER IS IN THE OPERATION MODE, SCREEN DISPLAY INDICATES:
Содержание GRANDE
Страница 31: ...31 16 0 DIMENSIONS OF BOILER GRANDE Figure 17 ...