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9
To interrupt the automatic venting cycle unscrew
the four screws (A), remove the front trim (B) and
press the combustion analysis button (CO).
SUMMER (}): With the function selector set to Summer,
the boiler functions only in domestic hot water mode.
The temperature gauge (1) shows the temperature of the
hot water inside the storage cylinder.
To ensure correct functioning, set the room temperature
thermostat to its minimum setting.
WINTER ({): With the function selector set to Winter, the
boiler functions in central heating and domestic hot
water modes. The display shows the temperature of the
central heating flow.
Set the room thermostat to the required temperature (~
20°C) or, if the system has a timer or timer-thermostat,
make sure that this is switched "On" and adjusted to
the required temperature (~ 20°C).
Turn the function selector (3) to "
SETTING CENTRAL HEATING WATER TEMPERATURE USING
THE OUTDOOR TEMPERATURE SENSOR
Since an outdoor temperature sensor is installed, the
system automatically adjusts the temperature of the
central heating flow to bring room temperature rapidly
to a level determined on the basis of outdoor air tem-
perature.
To adjust room temperature manually with respect to
the automatic setting calculated by the control card,
turn the heating temperature selector "
increase temperature or anti-clockwise to reduce it.
The available adjustment range is between -5 and +5
comfort levels as shown on the digital display when the
knob is turned (see the "AUTOMATIC TEMPERATURE CON-
TROL" section).
2
1
3
0
4
bar
"
2
1
3
/
" clockwise to
0
4
bar
39
A
CO
A
F1
F3
kWh
A1
F4
F2
Esc
TECHNICAL ASSISTANCE SERVICE
B
A
A
1
60
40
80
20
100
0
120
°C
3
60
40
80
20
100
0
120
°C
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