Operating instructions

133
Components
Boiler coding card
To match the control unit function to the boiler (see page 60).
Function extension 0−10V, part no. 7174718
To default an additional set system temperature via a
0−10 V input for a range from 10 to 100ºC or 30 to 120ºC.
For signalling reduced mode.
fÖ Power supply
aVF 0−10 V input
aVG KM BUS
aBJ Zero volt contact
A Mains isolator (if required)
B DIP switch (see table)
DIP switch
Function
4
4
ON
OFF
Set value default 10 to 100ºC
Set value default 30 to 120ºC
5862730GB
OFF
A
Electronics
24V 5V
L1
40
230V~
157 144 145
NSÖP 123123
1234
ON
F1
250mA
B
+
(slow)