PART I: INSTALLATION
12
ELECTRICAL CONNECTIONS
!
Remove the front panel of the electrical board on the burner.
!
Carry out the connections in the power supply electrical board as shown in the following diagrams, verify the fan motor direc-
tion (only in three-phase burners) and refit the electrical board front panel.
For a complete key, see on page 28 and page 31.
Diagrams for burners WITH printed circuit
WARNING: The burners with high-low flame operation are fitted with an electrical bridge between terminals 6 and 7;
in the event of connecting the high/low flame thermostat remove this bridge before connecting the thermostat.
IMPORTANT: In connecting electric supply wires to burner teminal block be sure that ground wire should be longer
than phase and neutral ones.
Burners type P20 - P30 - P50 - P65 single stage, double stage and progressive
Fig. 19a
Burners type P45 single stage, double stage and progressive
Fig. 19b
Summary of Contents for P20
Page 30: ...PART II OPERATION 30 Electrical diagram code 18 020 Burners P45 C TN C AB C PR ...
Page 32: ...PART II OPERATION 32 Electrical diagram code 04 622 Burners P20 P30 C MD ...
Page 33: ...PART II OPERATION 33 Electrical diagram 04 642 Burners P45 C MD ...
Page 34: ...PART II OPERATION 34 Electrical diagram code 05 615 Burner P65 C MD ...
Page 35: ...PART II OPERATION 35 SPARE PARTS ...
Page 36: ...PART II OPERATION 36 SPARE PARTS Burners P20 P30 C TN C AB ...
Page 38: ...PART II OPERATION 38 SPARE PARTS Burners P45 C TN C AB P50 C TN P65 C AB ...
Page 40: ...PART II OPERATION 40 SPARE PARTS Burners P20 P30 C MD ...
Page 42: ...PART II OPERATION 42 SPARE PARTS Burners P45 P65 C MD ...
Page 52: ......