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2.4
Wiring diagram
Code
Meaning
1
Bathroom switch
2
External filter error input
3
Standby switch
4a
ComfoHood temperature sensor2, 5
4b
ComfoHood switch2, 5
4c
ComfoHood valve2, 5
5
Error contact
6a
ComfoFond-L Q temperature sensor /
Sub-soil heat exchanger valve sensor (10kΩ@25°C)5
6b
ComfoFond-L Q pump5
7a
Post-heater temperature sensor (10kΩ@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 valve5
13
Mains power connector5
14
ComfoNet connector
15
ComfoNet connector
16
ComfoNet connector
2 Only available in Switzerland
3 Not allowed in Belgium
4 For service applications
5 Not applicable to Option Box V2 Lite
3
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 connectors together: <150mA
Imax of code 4b, 6b and 12 together: 10A
4
OFF
3
GND
CH
4b
GND
Tge
6a
GND
AH
7b
GND
12V
9
0-10V
GND
12V
0-10V
11
GND
PE
PE
PE
PE
L (230V)
6b
N
L (230V)
13
N
Technical specifications
Interface
Umax
Digital
3.3Vdc
Digital
3.3Vdc
Digital
3.3Vdc
Analog
3.3Vdc
Digital
3.3Vdc
230Vac switched
230Vac
Potential free contact
24Vac/24Vdc
Analog
3.3Vdc
230Vac switched
230Vac
Analog
3.3Vdc
0-10Vdc output
10Vdc
0-10Vdc input
12Vdc
0-10Vdc input
12Vdc
0-10Vdc input
12Vdc
0-10Vdc input
12Vdc
230Vac constant
230Vac
±10%, single phase,
230Vac
50Hz
plug-in
12Vdc
plug-in
12Vdc
RJ45
12Vdc
BS
1
GND
FIE
2
GND
Tch
4a
GND
ERR
5
ERR
Tah
7a
GND
12 Vdc
8
0-10V
GND
12 Vdc
0-10V
10
GND
L (230V)
12
N
L (230V)
4c
N
Imax
Lmax-wiring
1mA
30m
1mA
30m
1mA
30m
1mA
30m
1mA
30m
4A
30m
1A
30m
1mA
30m
<4A
30m
1mA
30m
10mA
30m
37.5mA
30m
37.5mA
30m
37.5mA
30m
37.5mA
30m
4A
30m
10A
2.5m
37.5mA
50m
37.5mA
50m
37.5mA
50m
12 Vdc
GND
14
CAN_H
CAN_L
12 Vdc
GND
15
CAN_H
CAN_L
16
EN - 21
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