15
Electrical connections
Respect the basic safety rules. make sure of the connection to the earthing system. do not reverse the phase
and neutral connections. fit a differential thermal magnet switch adequate for connection to the mains.
ATTENTION: before executing the electrical connections, pay attention to turn the plant’s switch to OFF and be
sure that the burner’s main switch is in 0 position (OFF) too. Read carefully the chapter “WARNINGS”, and the
“Electrical connections” section.
Before connecting the burner to the mains, be sure that its switch is on Off position and find the burner’s connectors.
WARNING: The burner is provided with a jumper between terminals 6 and 7; in the event of connecting the
high/low flame thermostat remove this jumper before connecting the thermostat
IMPORTANT: while connecting electric supply wires to burner’s teminal block be sure that ground wire should be
longer than phase and neutral ones.
Identification of the connectors
Burner power supply connector
HIGH/LOW flame connector
Single stage burner connector
Double-stage burner connectors
IMPORTANT: before operating the burner, be sure all connectors are linked as shown in the diagrams.
As far as connections, see the attached wiring diagrams.