Setting The Pump Post-Circulation - Biasi M300V.2025 SM User Manual And Installation Instructions

• Press the keys 13 and 15 simultaneously
(Fig. 8.9) to exit the level without changing
the value (return to the previous level).
To exit the parameters menu:
• wait 15 minutes without pressing any key;
• switch off the electric power supply;
• press the 13 and 15 keys simultaneously
for 5 seconds (Fig. 8.9) (return to previous
level).
At this point the system flow temperature
will follow the trend in relation to the K coef-
ficient set.
However, if the ambient temperature is not
comfortable, the flow temperature of the
heating system can be increased or re-
duced by ± 15°C by pressing the keys 15
(reduce) and 16 (increase) (Fig. 8.9).
Delivery
temperature °C
80
70
+ 15 °C
60
50
40
30
20
20 15 10 5
Fig. 8.16
The temperature trend when changing the
setting made with keys 15 and 16 for a K
1,5 is shown in Fig. 8.16.
8.3 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.
ADVANCED COMMISSIONING
K = 1,5
-15 °C
0 -5 -10 -15 -20 -25
External temperature °C
This time can be changed from a minimum
of 10 seconds to a maximum of 20 minutes
in programming mode, using either the con-
trol panel or the remote.
• Enter "programming mode" by pressing
the 13 and 15 keys simultaneously for 5
seconds (Fig. 8.17) until HiS (Boiler His-
tory) appears on the LCD display (Fig.
8.18).
12
13
Fig. 8.17
Fig. 8.18
• Scroll through the various menus by
pressing the keys 13 (back) or 15 (for-
ward), until PAr (Parameters menu) ap-
pears on the LCD display (Fig. 8.19).
• Press the 14 key for 1 second to enter the
selected menu.
Fig. 8.19
• Scroll through the various parameters by
17
16
15
14
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