Description of functioning
t e c h n i c a l
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Step 2.
Maximum Heating Power. The display shows “P2” and the value selected
alternatively. When the right knob (CH) is in summer position, the display shows the
stored value of the selected step. And must be pushed the main board button when a
new value wanted to be stored, then the display shows “- -” to indicate that the value
has being stored. The value is limited between 20 and 99.
Step 3
. Post-Circulation time of the pump after an ambient thermostat cut-off. Display
shows “P3” and the selected time (when right knob is in summer position). Default
value is 1 minute and it can be changed with right knob until 85 minutes. To store
the
selected value use the main board push button.
Step 4.
Type of heating circuit (radiators or fl oor heating). The display will show P4
and it will alternate between this P4 and the selected option, RA (radiator) or SU (fl oor
heating). Using right knob (CH) RA (radiators) or SU (fl oor heating) can be selected.
In case fl oor heating (SU) is selected, the set point must be stored. Using the right
knob (CH) it can be selected the value between 40 and 60 ªC and using the main
board button the value will be stored and the display will show “- -” again to indicate
that the value has being stored. When this option (SU) is chosen, the right knob (CH
set point) won’t be able to select the CH set point in normal operation; it will be always
the stored value in the confi guration menu.
Step 5.
External Probe. Display shows “P5” and “X” the selected curve alternatively.
If SE=0 no external probe will be connected. In all the other cases(“A”, “b”, “C” or “d”)
it will be selected the best option for the external probe. To store
the
value, use the
main board push button.
Step 6
. Flue System Cleaner. Display shows “P6” and a hot water tap must be ope-
ned to activate this function. It’ll turn the boiler on and set the maximum power to
clean the fl ue system.
Gas Type
Maximum Power
Minimum Power
Natural Gas
74%
35%
Propane
92%
46%
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