Technical data

55
10.1 Electrical diagram
Notes
1. F1:
5x20mm anti-surge fuse 2A.
2. 230Vac stat circuit:
Available for room stat, etc. The switched live can also be used for S plan or Y plan circuits (note
that the 230Vac live to the Wiring Centre must come from the same fused spur as the 230Vac supply to the boiler).
3. OpenTherm:
When using an OpenTherm thermostat, the link 4 – 5 must be removed, and 6 – 7 not used.
4.
For systems requiring an external hot water On/Off switch, please consult Atmos.