Setting The K Coeffi Cient Of The External Temperature Probe - Biasi Activ A 250V User Manual And Installation Instructions

Fig. 7.12
• Press buttons
the "PM15" program that enables the ex-
ternal probe ( Fig. 7.13 )
Fig. 7.13
• Modify the programmed SET by acting
on buttons or
60 is displayed, wait for the number pro-
grammed to fl ash ( Fig. 7.14 )
Fig. 7.14
• To exit programming, press button .
- 60 -
COMMISSIONING
or to display
until a setting of
7.10 Setting the K coeffi cient of the
external temperature probe
The boiler is set with a K coeffi cient equal to
zero for boiler functioning without the probe
connected.
If the boiler is NOT EQUIPPED with the re-
mote control (optional) refer to Fig. 7.15 .
C.h. flow temperature °C
K=6 K=4 K=3
80
70
60
50
40
30
20
20 15 10 5 0
External temperature °C
Fig. 7.15
If the boiler is EQUIPED with the remote
control (optional) refer to Fig. 7.16 .
In this case K setting must be done from the
remote control.
C.h. flow temperature °C
K=6 K=4 K=3
80
70
60
50
40
30
20
20 15 10 5 0
External temperature °C
Fig. 7.16
The K coeffi cients is a parameter that in-
creases or reduces the boiler fl ow tempera-
ture when the outside temperature chang-
es.
K=2
K=1,5
K=1
K=0,5
-5 -10 -15 -20 -25
K=2
K=1,5
K=1
K=0,5
-5 -10 -15 -20 -25