External Change-Over Signal - Moehlenhoff BSF 20102-04 Manuel D'instructions

3.2.1 External change-over signal

pump
1
N L N L TB
If an external change-over signal is used, the
DEU
overall installation switches accordingly be-
ENG tween heating and cooling.
FRA
3.2.3 Pump/boiler 24 V
NDL
ITA
ESP
L1 L2
L
N
The boiler connection allows the control of a
heat generator. Additionally, a pump can be
supplied and controlled directly.
34
boiler ECO CO H %
2 1 2 1 2 1 2 1 2
Cooling
Heating
N
L
pump boiler ECO
1 2 1 2 1 2
L1' L2' TB
Wärme-
boiler
erzeuger
3.2.2 Pump/boiler 230 V
230 V
24 V
HZ 1 HZ 2
1 2 1 2 1 2 1 2
N
L
The boiler connection allows the control of a
heat generator. Additionally, a pump can be
controlled directly.
24 V
CO H %
1 2 1 2 1
HZ 3 HZ 4 HZ 5
pump boiler
1 2 1 2 1 2 1 2
1 2 1
N L N L TB
boiler
HZ 1 HZ 2 HZ 3 HZ 4
2 1 2 1 2 1 2 1 2 1 2
230 V
HZ 6 HZ 7 HZ 8
ECO CO H %
1 2 1 2 1 2 1 2
2 1 2 1 2 1 2
HZ 5 HZ 6 HZ 7 HZ 8
1 2 1 2 1 2 1 2 1 2 1 2
H
1 2