Atag XL110 - Electrical Connections for ATAG XL

Installation & Servicing instructions ATAG XL
32
8 Electrical connections
The appliance complies with the CE Machinery Directive 89/392/EEC. The EC Low Voltage
Directive 72/23/EEC and the EC EMC Directive 89/336/EEC.
- A 230V -50Hz mains electrical supply is required fused externally at 5A.
- Adeviationonthegridof230V(+10%or-15%)and50Hz
The installation must continue to comply with:
United Kingdom:
- the national rules for electrical installations, IEE regulations.
Ireland:
- the ECTI national rules for electrical installations
The following additional regulations also apply:
- The boiler’s wiring is not allowed to be changed;
- All connections have to be made to the terminal block.
The boiler has 4 socket blocks for all electrical connections.
1. High voltage supply (230V)
2. Voltage free switches (230V relays)
3. Low voltage sensors
4. Communication bus for cascaded XL boilers
Front view Side view
1 2 3 4
0-10Volt
Open-
Therm
On/Off
T3
DHW
230V~
AC
230V
out
230V~
AC
230V
out
L
N
L
N
L
N
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6
Error
signal
Heat
demand
signal
LPG
On/Off
1 2 3 4 5 6 7 8 9 10 11 12 13 14
T10
General
purpose
LWCO
NN
L
230V Pump / 3-WV.
L
230V Pump P3230V out230V~ AC
T4
Out
8X.44.08.00 / 05.11
L
N
230V DHW pump
Bus
8X.44.09.00 / 05.11
gure 7.a
0-10Volt
Open-
Therm
On/Off
T3
DHW
230V~
AC
230V
out
230V~
AC
230V
out
L
N
L
N
L
N
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6
Error
signal
Heat
demand
signal
LPG
On/Off
1 2 3 4 5 6 7 8 9 10 11 12 13 14
T10
General
purpose
LWCO
NN
L
230V Pump / 3-WV.
L
230V Pump P3230V out230V~ AC
T4
Out
8X.44.08.00 / 05.11
L
N
230V DHW pump
Bus
8X.44.09.00 / 05.11