Stiebel Eltron LWE 40 Installation page 32

INsTALLATIoN
Installation
5.2.3 Wiring diagram with 2 appliances
5.2.4 Activation of fan stages by means of an external signal
You can use sensors with potential-free N/O or changeover con-
tacts. Only one of the versions shown should be connected.
Cross-ventilation
N/A
N/A This fan stage can only be switched on via the program-
ming unit, not via the switch inputs.
L1 LED+
L2 LED-
L3 Switch
L4 Operating mode
L5 Fan stage 0/I
L6 Fan stage II
L7 Fan stage III
32 | LWE 40
1
2
3
4
1
2
3
4
GND
GND
Differential mode
N/A
N/A This fan stage can only be switched on via the program-
ming unit, not via the switch inputs.
L1 LED+
L2 LED-
L3 Switch
L4 Operating mode
L5 Fan stage 0/I
L6 Fan stage II
L7 Fan stage III
5.2.5 Connecting the programming unit to the control unit
1
2
3
4
1
1 Back of the programming unit
2 Adaptor board
GND
GND
1
2
3
4
2
GND
GND
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