NC
COM
NO
L
230V AC 50Hz
MAINS SUPPLY
Supply
Neutral
Supply
Live
N
Connections to boiler
Note: Check boiler instructions
before connecting
7
6. Connection Diagram
Connect the 230V 50Hz mains supply and load cables to the terminal block
which are marked as follows;
Load (Boiler)
Switch Live (Brown or Red) to
NO
230V 50Hz Mains Supply
Live Supply (Brown or Red) to
L
Neutral Supply (Blue or Black) to
N
A ‘Loop Terminal’ is provided should a 3 core cable
be used
