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about 25°C to a maximum of about 85°C.
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 temperature
included between 5 and 15°C
•
from 35 to 60 with an external temperature
included between -5 and +5°C
•
from 60 to 85 with an external temperature
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
- 14 -
INSTRUCTIONS FOR USE
fl ash. The
°C
.
c.h. water fl ow temperature. The
symbol fl ashes ( Fig. 2.8 ).
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 quali-
fi ed installer ( see "Setting the K coeffi cient
of the external temperature probe" to page
56 ).
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 12 (reduce)
and 13 (increase) ( Fig. 2.5 ).
2.5
Extinguishing
Press the key for 2 seconds 11 ( Fig. 2.9 ) un-
til the
symbol appears on the display
( Fig. 2.10 ).
°C
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