Bertazzoni B3W0..U4X2D, Installation And User Instructions Manual, Page: 5 / 25

5
Electrical connection
The connection of the hobs to mains is effected via the flex and the three pin plug located underneath the
hotplate. The appliance operate at a main voltage of 120V a.c., frequency 60Hz. Electric power absorption is
about 1W for 5 gas burner version or 2W for 6 gas burners version.
WARNING: Electrical Grounding Instructions: This appliance is equipped with a (three-prong)
grounding plug for your protection against shock hazard and should be plugged directly into a
properly grounded receptable. Do not cut or remove the grounding prong from this plug.
Wiring diagrams
Wiring diagram description
For hotplate model A see Fig. 11. 1. Cable terminal
For hotplate model B see Fig. 12. 2. Ignition switch
3. Spark generator
4. Ignition spark
L. Black
N. White
T. Green (earth)
Room ventilation – Location and venting.
ATTENTION: An exhaust fan may be used with the appliance; in each case it shall be installed in
conformity with the national standards in force.
ATTENTION: Exhaust hood operation may affect other vented appliances; in each case it shall be
installed in conformity with the national standards in force.
Conversion to different types of gas
Before carrying out any maintenance work, disconnect the appliance from the gas and electric
supply. For Natural Gas fit regulator assembly described in Fig. 5. For LP Gas fit assembly described
in fig. 5.
- CHANGING THE NOZZLES FOR USE WITH OTHER TYPES OF GAS:
To change the nozzles of the burners use the following procedure:
Lift up the burners and unscrew the nozzles ( Fig. 7) using an adjustable spanner of 7 mm and change the
nozzles with those designed for the new gas supply according to the information given in TABLE A shown
below.
TABLE A: Adapting to different types of gas
Drop-in cooktop with 5 workyop burners model B3W0..U4X(2 or 5)D
Burner Position Inj. size Gas Pressure Max Rate Min Rate By-pass size
1/100mm Type [i.w.c.] [BTU/h] [W] [BTU/h] [W] [1/100mm]
Auxiliary Front R 0,90 NG 4” 3400 996 900 264 Regulated
0,54 LP(Propane) 11” 3400 996 900 264 0,29
Semi-Rapid Rear L 1,18 NG 4” 6100 1787 1500 439 Regulated
Rear R 0,70 LP(Propane) 11” 6100 1787 1500 439 0,37
Rapid Front L 1,55 NG 4” 10400 3047 3700 1084 Regulated
0,92 LP(Propane) 11” 10400 3047 3700 1084 0,58
Centre Inner 0,80 NG 4” 2800 820 900 264 Regulated
Dual 0,49 LP(Propane) 11” 2800 820 900 264 0,29
burner Centre Outer N°2 x 1,15 NG 4” 12000 3516 5300 1553 Regulated
N°2 x 0,70 LP(Propane) 11” 12000 3516 5300 1553 0,73
Drop-in cooktop with 6 workyop burners model B3Y0..U4X(2 or 5)D
Burner Position Inj. size Gas Pressure Max Rate Min Rate By-pass size
1/100mm Type [i.w.c.] [BTU/h] [W] [BTU/h] [W] [1/100mm]
Auxiliary Front R 0,90 NG 4” 3400 996 900 264 Regulated
0,54 LP(Propane) 11” 3400 996 900 264 0,29
Semi-Rapid Rear L & C 1,18 NG 4” 6100 1787 1500 439 Regulated
Front C 0,70 LP(Propane) 11” 6100 1787 1500 439 0,37
Rapid Front L 1,55 NG 4” 10400 3047 3700 1084 Regulated
0,92 LP(Propane) 11” 10400 3047 3700 1084 0,58
Centre Inner 0,80 NG 4” 2800 820 900 264 Regulated
Dual 0,49 LP(Propane) 11” 2800 820 900 264 0,29
burner Centre Outer N°2 x 1,15 NG 4” 12000 3516 5300 1553 Regulated
N°2 x 0,70 LP(Propane) 11” 12000 3516 5300 1553 0,73
CAUTION: save the orifices removed from the appliance for future use