11
TURNING ON THE BOILER
The boiler is switched-on by means of the general switch located on the left of the display
in the instrument panel of the boiler. Pressing the switch upward to the ON position, it will
light in the presence of single-phase supply (230-240 V - 50 Hz). Then, it shall be pressed
the ON-OFF (J7) on the keypad to switch the power from stand-by to the operating
position, the display will light up of blue and will appear various symbols signaling
function/faults etc. At this point it shall be chosen the mode of operation, summer or winter
operation.
CHOICE OF THE OPERATION MODE (Winter/Summer)
Pressing the key MODE (J4), i twill be chosen the mode of operation, wintry or summery.
Pressing repeatedly each time for at least 5 seconds, you switch from WINTER to
SUMMER or from SUMMER to WINTER then.
When the device will be in WINTER mode, on the display will appear the Symbol
C
(snow). When the device will be in SUMMER mode, on the display will appear the Symbol
B
(sun).
TEMPERATURE VARIATION OF THE HEATING CIRCUIT
When the apparatus has been set with the snow symbol (
C
) for the wintry functioning, you
can change the maximum temperature of heating circuit pressing one of the two keys with
the radiator symbol located on the left of the display (
+
I
and
–
I
keys
). The key with the
symbol
+
I
(J2), increases the temperature, and the key with the symbol
-
I
(J3)
decreases the temperature.
TEMPERATURE VARIATION OF HOT SANITARY WATER
The temperature of hot sanitary water can be varied independently from the mode of
functioning, both wintry and summery. The two keys with the Tap symbol on the left of the
control panel, are used to set the maximum temperature of the hot sanitary water circuit.
The key with Symbol
+
H
(J6) increases the temperature, and the one with the Symbol
-
H
(J5) decreases the temperature.