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11
12
13
14 15
Fig. 7.17
Fig. 7.18
• Scroll the various parameters using keys 17
or 18 until the letters P15 are displayed on
the LCD display, indicating that "parameter
15" (Fig. 7.19) has been activated.
Fig. 7.19
• Using keys 17 or 18 it is possible to change
the value of parameter 15 from a minimum
of 01 to a maximum of 60 based on the se-
lected bend of the K coefficient in Fig. 7.16
(the value read on the display corresponds
to K coefficients decimal values).
The writing P15 - SEt alternates on the dis-
play (Fig. 7.20).
- 68 -
COMMISSIONING
19
18
17
16
Fig. 7.20
• By pressing key 14 (Fig. 7.17) confirmation
of the inserted value is obtained.
• Press keys 17 or 18 (Fig. 7.17) to exit with-
out changing the value Fig. 7.19)
• Exiting the "programming mode" is auto-
matic, after 15 minutes, or by cutting power.
At this point the plant flow temperature will fol-
low the trend in relation to the K coefficient set.
However, if the ambient temperature is not
comfortable, the flow temperature of the heat-
ing plant can be increased or reduced by ±
15°C by acting on keys 17 (reduce) and 18
(increase) (Fig. 7.17).
C.h. flow
temperature °C
80
70
60
50
40
30
20
Fig. 7.21
+ 15 °C
K = 1,5
-15 °C
20
15
10
5
0
-5
External temperature °C
-10 -15 -20 -25
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