Zehnder Option Box Manuel De L'installateur page 19

Wiring diagram
Code Meaning
1 Bathroom switch
2 External filter error input
2
3 Standby switch
1
4a ComfoHood temperature sensor
1
4b ComfoHood switch
1
4c ComfoHood valve
5 Error contact
6a ComfoFond-L Q temperature sensor /
Sub-soil heat exchanger valve sensor (10k @ 25°C)
6b ComfoFond-L Q pump
7a Post-heater temperature sensor (10k @ 25°C)
7b Post-heater control
8 0-10V input 3
9 0-10V input 1
10 0-10V input 4
11 0-10V input 2
12 Sub-soil heat exchanger valve
13 Mains power connector
The mains power is needed to power the 230V functions (code 4c, 6b and 12).
All other functions are powered through the ComfoNet.
Imax of the ComfoNet powered tconnectors together: <150mA
Imax of code 4c, 6b and 12 together: 10A
14 ComfoNet connector
15 ComfoNet connector
4
16 ComfoNet connector
1
Only available in Switzerland
2
Not allowed in Belgium
4
For service applications
Technical specifications
Interface
Digital
Digital
Digital
Analog
Digital
230Vac switched
Potential free contact
Analog
230Vac switched
Analog
0 - 10Vdc output
0 - 10Vdc input
0 - 10Vdc input
0 - 10Vdc input
0 - 10Vdc input
230Vac constant
±10%, single phase, 50Hz
plug-in
plug-in
RJ45
Umax Imax
Vdc 1mA
Vdc 1mA
Vdc 1mA
Vdc 1mA
Vdc 1mA
230Vac 4A
24Vac / 24Vdc 1A
Vdc 1mA
230Vac <4A
Vdc 1mA
10Vdc 10mA
12Vdc 37,5mA
12Vdc 37,5mA
12Vdc 37,5mA
12Vdc 37,5mA
230Vac 4A
230Vac 10A
12Vdc 37,5mA
12Vdc 37,5mA
12Vdc 37,5mA
Lmax-wiring
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
2.5m
30m
30m
30m
EN - 19