
L
N
BOILER
NO
230V AC
50Hz
MAINS
SUPPLY
Supply
Neutral
Supply
Live
Switch Live from NO
(normally open contact
for heating) to bolier
5
6
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
Load (Boiler)
Switch Live (Brown or Red) to
NO
6. Connection Diagram
Connect the 230V 50Hz mains supply and load cables to the terminal block
which are marked as follows;
• Note: Check boiler
instructions before
connecting.