Appendix
36
Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04
G
Wiring diagram
X41
X40
X31
X12
24V
230V~
X2
L
N
6
5
4
3
2
1
Anl-
Therm
BUS
X100
eBUS
N 1 2
L
N
L
N
X4
0A
X4
0B
X1
2A
X1
T2
F1
K2 K1
X1
2B
1
2
24DC
N 1 2
L
N
L
N
X4
0A
X4
0B
X1
2A
X1
T2
F1
K2 K1
X1
2B
1
2
230VAC
N 1 2
L
N
L
N
X4
0A
X4
0B
X1
2A
X1
T2
F1
K2 K1
X1
2B
1
2
X20
R
T 230V
3
4
5
230 V
—
8
9
-
+
RT
24 V
—
7
L
9
8
7
+
–
N
3
4
5
BUS
RT
24 V
—
24 V
230 V
230 V
—
RT
230 V
Anl-
Therm
17
16
1
7
1
20
15
19
1
18
8
9
10
11
21
12
13
14
2
3
5
6
4
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
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