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Press one of the two keys once to display
the "set" value. Press again to access the
modifi cation.
Signal given by the LCD display:
• The heating hot water fl ow "set" temper-
ature and the symbol
background of the display is illuminated
( Fig. 2.7 ).
Fig. 2.7
Adjustment of temperature WITHOUT
the external temperature probe (option-
al) fi tted
Adjust the c.h. water fl ow as follows:
• from 25 to 35 with an external tempera-
ture included between 5 and 15°C
• from 35 to 60 with an external tempera-
ture included between -5 and +5°C
• from 60 to 85 with an external tempera-
ture less than -5°C.
Your qualifi ed installer can recommend the
most indicated adjustments for Your sys-
tem.
The control of the set temperature reached
can be seen on the LCD display by means
of the missing symbol
Power request in c.h. power.
When the boiler has a power request in the
c.h. mode, the
symbol is displayed on
the display followed by an increase of the
c.h. water fl ow temperature. The
symbol fl ashes ( Fig. 2.8 ).
- 14 -
INSTRUCTIONS FOR USE
fl ash. The
°C
.
Fig. 2.8
Adjusting the c.h. temperature with the
external temp. probe installed
When the external temp. probe (optional)
is installed your boiler automatically adjusts
the temperature of the c.h. system water
fl ow in relation to the external temperature.
In this case the boiler must be set by a qual-
ifi ed installer ( see "Setting the K coeffi cient
of the external temperature probe" to page
60 ).
However, if the ambient temperature is not
comfortable, the fl ow temperature of the
heating plant can be increased or reduced
by ± 15°C by acting on keys 10 (reduce) and
11 (increase) ( Fig. 2.5 ).
2.5
Extinguishing
Press the key for 2 seconds 9 ( Fig. 2.9 ) until
the
symbol appears on the display
( Fig. 2.10 ).
9
Fig. 2.9
°C
12
11
10
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