Electrical connection
21
Condens 7000 WP – 6721841195 (2022/01)
▶ Close the pump terminal box: fold the pump terminal box up and
press horizontally until it snaps into place.
Fig. 26 Connecting the pump
[1]
230 V cable
[2]
PWM signal cable
7.6
Connecting the 3-way valve 230 V (accessory)
A 3-way valve can only be connected to the plug-in strip of the
boiler if the output of the boiler is ≤
100
kW.
An appropriate accessory 230 V 3-way valve can be connected to the
plug-in strip. Use the plug for the boiler pump for this [B].
▶ Carefully read the instructions for the 230 V 3-way valve.
▶ Connect the neutral wire (N) to the plug [A].
▶ Connect the phase wire (L), switching neutral wire (N) and earth wire
to the plug [B].
Fig. 27 Connection diagram for 230 V 3-way valve
[1]
Phase cable L, continuous 230 V
[2]
Phase cable L, discontinuous 230 V
[3]
Neutral cable N
7.7
Mounting the function module (accessory)
NOTICE
EMC fault due to incorrect cable routing.
If bus cables and power cables are routed in parallel there is a risk of EMC
faults occurring.
▶ Route bus cables and power supply cables separately.
1 function module [3] can be installed in the oiler.
▶ Carefully read the instructions for the function module when carrying
out the installation.
▶ Install the BUS cable on the plug [1] according to the specified cable
routing.
▶ Install the 230 V power supply cable on the plug [2] according to the
specified cable routing.
Fig. 28 Mounting the function module
[1]
BUS system connection EMS
[2]
230 V mains voltage cable
[3]
Function modules
7.8
Fitting the plug (if not preassembled)
▶ Fit the plug to the power cable of the boiler.
Fig. 29 Fitting the plug
[1]
Neutral conductor N (blue)
[2]
Protective conductor (green/yellow)
[3]
Phase L (brown)
0010034673-001
2
1
0010035147-001
120/230 VAC
PW1
PW2
120/230 VAC
M
1
1
2
3
4
5
6
A
B
BUS
120/230 VAC
0010036034-002
3
1
2
0010018427-001
1
2
3