Electrical connection
Connect the power supply to the terminal board inside the control panel as follows:
a. Switch off the power supply at the main switch.
b. Remove the front case panel of the boiler.
c. Slacken the screws and remove plate A (see fig. 1).
d. With the plate removed, connect the wires to the terminal board B as follows:
• Connect the earth wire (normally coloured green/yellow) to the terminal marked with the earth symbol “ “.
• Connect the neutral wire (normally coloured blue) to the terminal marked with the letter “N”.
• Connect the live wire (normally coloured brown) to the terminal marked with the letter “L”.
• Terminals identified by the letters: SL ⇒ Switched live from external control 240V connection
( i.e. room Thermostat, Programmer )
PN ⇒ System pump neutral
PL ⇒ System pump live
When the wires have been connected, place plate “A" back to position.
SLL N PN PL
B
A
Fig. 1
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