Electrical Connections - Atag XL140 Installation & Servicing Instructions Manual

8

Electrical connections

230V~ 230V
AC out
N N N
230V~ 230V
AC out
L L L
230V~ AC 230V out 230V Pump P3
1 2 3 4 5 6 7 8
230V~ 230V
AC out
N N
230V~ 230V
AC out
L L L
230V~ AC 230V out
1 2 3 4 5 6
figure 7.a
32
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
Error
signal
LPG
On/Off
N N N
Heat
demand
L L
signal
L
230V Pump / 3-WV. 230V DHW pump
9 10 11 12 13 14 15 16 1 2 3 4 5 6
1 2
N N
N N
L L
L
230V Pump P3 230V Pump / 3-WV. 230V DHW pump
7 8 9 10 11 12 13 14 15 16
On/Off
T4 General
Open-
Out purpose
Therm
T3 T10 0-10Volt LWCO
DHW
1 2 3 4 5 6 7 8 9 10 11 12 13 14
3
Error
signal
LPG
On/Off
Heat
demand
signal
1 2 3 4 5 6
Side view
Bus
4
On/Off
T4 General
Open-
Out purpose
Therm
T3 T10 0-10Volt
DHW
1 2 3 4 5 6 7 8 9 10
LWCO
11 12 13 14