- 59 -
INST
ALLA
TION
COMMISSIONING
comfortable, the flow temperature of the heat
-
ing plant can be increased or reduced by ±
15°C by acting on keys 12 (reduce) and 13
(increase) (Fig. 7.20).
Fig. 7.24
C.h. flow
temperature °C
20
20 15 10
5
0
-5 -10 -15 -20 -25
30
40
50
60
70
80
-15 °C
+ 15 °C
External temperature °C
K = 1,5
The temperature trend when changing the
setting made with keys 12
and
13
for a
K 1,5
is shown in Fig. 7.24
.
Sequence for setting the K coefficient with
the remote control connected
Act on the programming of the REMOTE con
-
trol to select the setting of the K coefficient.
•
Electrically feed the boiler by activating the
bipolar switch envisioned during installa
-
tion.
•
Press button for more than 3 seconds to
enter in
(Fig. 7.25) mode.
Fig. 7.25
0
2
1
8
1
21
1 5
6
3
9
Press button
to display the
K REG
win
-
dow (Fig. 7.26).
Fig. 7.26
It is possible to change the value using but
-
tons
and
.
Press button to exit from mode
(Fig.
7.26).
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 acting
on programming both from the panel controls
and the remote control.
•
Enter in "programming mode" by pressing
keys 11
-
12
-
13 (Fig. 7.27) for 10 seconds
at the same time until the letters
Pr
that al-
ternate with code
01
are displayed on the
LCD display, indicating that "parameter 01"
(Fig. 7.28) has been activated.
Fig. 7.27
11
12
13