1 2 3 4 5
230V~50Hz
MAINS SUPPLY
LOAD
L
E
N
Heater Neutral
Boost Load
Off Peak Load
Earth
4
• 230V 50Hz mains – Twin or Dual element immersion heaters.
230V 50Hz Mains Supply
Live Supply (Brown or Red) to
terminal 1
Neutral Supply (Blue or Black) to
terminal 2
Earth (Green/Yellow) to
Load
Switch Live, Off peak load –
Primary element (Brown or Red) to
terminal 5
Switch Live, Boost load –
Secondary element (Brown or Red) to
terminal 4
Heater Neutral (Blue or Black) to
terminal 3
Earth (Green/Yellow) to
