Setting The Pump Post-Circulation - Biasi Activ A 250V User Manual And Installation Instructions

Wall hung, fanflue, roomsealed, high efficiency gas boiler
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same time for 10 seconds to exit the "pro-
gramming mode.
At this point the plant fl ow temperature will
follow the trend in relation to the K coeffi -
cient set.
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. 7.17 ).
C.h. flow
temperature °C
80
70
+ 15 °C
60
50
40
30
20
20
15
10
5
Fig. 7.21
The temperature trend when changing the
setting made with keys 10 and 11 for a K 1,5
is shown in Fig. 7.21 .
Sequence for setting the K coeffi cient
with the remote control connected
Act on the programming of the REMOTE
control to select the setting of the K coef-
fi cient.
• Electrically feed the boiler by activating
the bipolar switch envisioned during in-
stallation.
• Press button
for more than 3 seconds to
enter in
( Fig. 7.22 ) mode.
- 62 -
COMMISSIONING
K = 1,5
-15 °C
0
-5
-10 -15 -20 -25
External temperature °C
0
21
3
1
8
6
1 5
9
1
2
Fig. 7.22
Press button
window ( Fig. 7.23 ).
Fig. 7.23
It is possible to change the value using but-
tons
and
.
Press button
to exit from mode
( Fig. 7.23 ).
7.11 Setting the pump post-circula-
tion
The pump, in heating function, is set for a
post-circulation of about one minute at the
end of each heat request.
This time can be changed by a minimum of
zero to a maximum of four minutes by act-
ing on programming both from the panel
controls and the remote control.
• Enter in "programming mode" by pressing
keys 9 - 10 - 11 ( Fig. 7.24 ) for 10 seconds at
to display the K REG

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