Connecting Electrical Supplies 39
7.6 Connecting the Outdoor Temperature
Sensor
The boiler is designed to be able to function with an outdoor
temperature sensor. The sensor cables are to be connected
to terminals 5 and 6 of the boiler terminal strip, removing the
electrical bridge originally supplied.
1
2
3
4
5
6
Detail View
7.7 OpenTherm® Protocol
OpenTherm® is an industry standard modulating control
available from several control manufacturers and the NCB
LSWE boiler has an OpenTherm® interface. This enables
our modulating range of OpenTherm® room controls to be
connected without any further modifications.
NCB LSWE
OpenTherm Protocol
Room Controller
1
2
3
4
5
6
7.4 Connecting the Room Thermostat
The boiler is designed to be connected to a room thermostat.
The thermostat cables are to be connected to terminals 1 and
2 of the boiler terminal strip, removing the electrical bridge
originally supplied.
1
2
3
4
5
6
Detail View
7.5 Connecting the OpenTherm
The boiler is designed to be connected to a OpenTherm. The
OpenTherm cables are to be connected to terminals 3 and 4 of
the boiler terminal strip, removing the electrical bridge originally
supplied.
1
2
3
4
5
6
Detail View