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CIB UNIGAS - M039177CA
Electrical wiring diagram for burners with no printed circuit provided
If the burner is ordered without printed circuit, follow the next connections diagrams.
Fig. 27 - Progressive burners
Fig. 29 - Fully modulating burners
(**) Probes connection
Fig. 28 - Probes connection
Rotation of fan motor
Once the electrical connection of the burner is executed, remember to check the rotation of the fan motor. The motor should rotate
according to the indication on the body. In the event of wrong rotation, reverse the three-phase supply and check again the rotation of
the motor.
NOTE: the burners are supplied for three-phase 400V supply, and in the case of three-phase 230V supply it is necessary to
modify the electrical connections into the terminal box of the electric motor and replace the overload tripped relay.
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