Biasi ADVANCE 25S User Manual page 14

symbol flash. The background of the
display is illuminated (Fig. 2.7).
Fig. 2.7
Adjustment of temperature WITHOUT the
external temperature probe (optional) fit-
ted
Adjust the C.H. water flow 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 installer can recommend the best suited
settings for your heating system.
You can see the actual flow temperature from
your boiler at all times on the LCD screen.
Power request in C.H. power.
When the boiler has a call for heat in the C.H.
mode, the
symbol is displayed on the dis-
play followed by an increase of the C.H. water
flow temperature. The
(Fig. 2.8).
Fig. 2.8
Adjusting the C.H. temperature with the ex-
ternal temp. probe installed
When the external temp. probe (optional) is
installed your boiler automatically adjusts the
temperature of the C.H. system water flow in
relation to the external temperature.
In this case the boiler must be set by a quali-
- 14 -
INSTRUCTIONS FOR USE
°C
symbol flashes
°C
fied installer (see "Setting the K coefficient
of the external temperature probe" on page
57).
However, if the ambient temperature is not
comfortable, the flow temperature of the
heating system can be adjusted by ± 15°C
by pressing on keys 13 (reduce) and 14 (in-
crease) (Fig. 2.5).
Timed manual heating function
This function allows to manually activate-
deactivate the central heating operation for a
fixed period of 24 hours.
Activation for 24 hours:
Pressing keys 13 and 14 (Fig. 2.9) at the same
time for 2 seconds until the letters "th" appear
on the LCD display which alternates with the
word "on" (Fig. 2.10).
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Fig. 2.9
Fig. 2.10
Following, the LCD display shows the main
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