G Wiring Diagram - Vaillant atmoTEC exclusive Installation And Maintenance Instructions Manual

Appendix
G Wiring diagram
1 Optional components
2 Gas valve assembly
3 Monitoring electrode
4 flue gas temperature monitor (safety function)
5 Flow temperature sensor
6 Return temperature sensor
7 Flue gas sensor, warm start NTC, DHW outlet NTC
(exclusive only)
8 Circulation pump remote control
9 Outdoor temperature sensor
36
X31
X20
X40
1
2
3
X41
4
5
6
–
+ X2
7
8
9
L
N
-
3
X100
+
4
5
7
8
9
L
N
3
4
5
X12
Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04
18
19
10 Flow temperature sensor (optional, external)
11 DCF receiver
12 Prioritising diverter valve
13 Flow meter
14 Pressure sensor
15 Limit thermostat for 20 V underfloor heating
16 eBUS controller
17 24 V room thermostat
18 Power supply: 230 V/50 Hz
N 1 2 N L N L 2 1
eBUS
X1
1
K2 K1
T2
2
3
4
5
6
7
N 1 2 N L N L 2 1
24DC
X1
1
K2 K1
T2
8
9
10
11
12
13
14
15
16
17
24V
230V~
20
N 1 2 N L N L 2 1
230VAC
X1
K2 K1
T2
1
21