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3.13 PASSWORD-PROTECTED SPECIAL FUNCTIONS.
Attention:
the boiler is equipped with some special functions, access
to which is granted if this is in stand-by ( ) .
IMPORTANT NOTE:
if the boiler is connected to the CAR
V2
the “stand-by” function can only be activated via the remote
control panel.
Press and hold the “
” button for more than 5 seconds. The
display will show two dashes “
--
” flashing. Now enter the password
to access the programming menus.
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To enter the first digit use the buttons to adjust the DHW “
”, to enter the second digit use the buttons to adjust the central
heating temperature “
”.
To confirm the password and access the menu, press the operating
mode button “
”.
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Once the menu has been accessed, it is possible to cyclically scroll
the three available functions (dI, MA, FU) by pressing the DHW
buttons “
”, to access the menu press the button “
” to
exit wait 15 minutes or press the button “
”.
3.14 AUTOMATIC VENT FUNCTION (DI).
In the case of new central heating systems and in particular mode
for floor systems, it is very important that deaeration is performed
correctly. The function consists of the cyclic activation of the
pump (100 s ON, 20 s OFF) and the 3-way valve (120 s D.H.W.,
120 s C.H.).
The function is activated by accessing the special “dI” function as
described in Paragraph 3.13.
The function lasts for 16.5 hours and it can be stopped by simply
pressing the button “
”.
Activation of the function is signalled by the countdown shown
on the indicator (20).
3.15 FLUE INSTALLATION (FU).
To activate the “Flue” function access the special functions as
described in Paragraph 3.12 and select the “FU” function.
Attention: Before performing the test, ensure that the condensate
drain trap has been filled correctly and check that there are no
obstructions in the air intake circuit and flue exhaust.
Using this function activates the fan at a fixed speed (6000 rpm)
for 15 minutes.
In this phase the symbols (
) and (
) are displayed flashing,
while the symbol ( ) is displayed permanently on, the function
can be stopped by simply pressing the button “
”.
3.16 MAINTENANCE FUNCTION (MA).
Using this function you can activate some operating devices of the
boiler without starting it, thus verifying the functionality.
The function is active for 15 minutes and it can be stopped by
pressing the button “
”.
To activate the “Maintenance” function access the special functions
as described in Paragraph 3.13 and select the “MA” function.
The following loads can be activated within this function:
- Fan (Fn): the fan is brought to ignition speed. Using the buttons
“
” you can increase or decrease the fan speed.
- Circulator (Pu): the circulator is brought to maximum speed,
the relative speed is shown on the display, using the buttons “
” you can increase or decrease the circulator speed.
- Three-way (3d): the symbol is shown on the display according to
the position of the valve, DHW (
) or central heating (
),
using the buttons “
” you can change the valve position, tak-
ing care to wait for the completion of passage between statuses.
- Configurable relay (rI): if the configurable relay is present on the
boiler P.C.B., it is activated.