Temperature; Star Preheating Function - Biasi Advance Plus 25C User Manual And Installation Instructions

es or when the function status is set to "oF".
Hold down keys 15 and 16 (Fig. 2.14).
Fig. 2.14
2.5 D.h.w. temperature
The temperature of the d.h.w. can be adjust-
ed by acting on keys 12 (increase) and 13
(reduce) (Fig. 2.7) from a minimum of about
35°C to a maximum of about 60°C. Press
one of the two keys once to display the "set"
value. Press again to access the modifica-
tion.
Signal given by the LCD display:
• the "set" value of the d.h.w. and the
symbol flash. The background of the dis-
play is illuminated. (Fig. 2.9).
Fig. 2.15
Adjustment
Adjust the d.h.w. temperature to a value suit-
ed to your needs.
Reduce the necessity of mixing hot water
with cold water.
In this way, the automatic adjustment fea-
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INSTRUCTIONS FOR USE
°C
tures will be appreciated.
If water hardness is particularly high, we rec-
ommend that the boiler be adjusted to a tem-
perature less than 50°C.
In these cases we recommend however that
a softener is installed on the d.h.w. system.
D.h.w. request
When the boiler has a power request in the
d.h.w. mode, the
the display followed by an increase of the
heating water flow temperature. The
symbol flashes (Fig. 2.16).
Fig. 2.16
2.6

3 star preheating function

This function diminishes consumption of the
domestic water supply at the time of with-
drawal, preparing the boiler temperature at
the requested temperature.
To activate the 3 star preheating function
press keys 12 and 13 together (Fig. 2.18)
until the letters "cF" appear on the LCD dis-
play which alternates with the word "on" (Fig.
2.17).
Fig. 2.17
symbol is displayed on
°C