Bertazzoni M91 Installation Manual download pdf (Page 8)

4). Intensive and continuous use of the appliance may require additional aeration, for example by opening a

window, or more efficient aeration by increasing the power of the mechanical exhauster, if installed.

USING THE ELECTRIC THERMOSTAT

The thermostat supplied with the relative models maintains a constant temperature inside the oven at a specific

temperature setting ranging from 50°C to 250°C.(fig.25)

Turn the knob clockwise and align the selected temperature indicated on the ring with the index etched on the control

panel. Thermostat operation is indicated by an orange light which will turn off when the temperature inside the oven is

10°C greater than the temperature setting, and will turn on when the oven is 10°C less than the temperature setting. The

thermostat can control the oven elements only if the relative switch is in one of the possible oven element operating

modes: if the switch is in position 0, the thermostat has not effect on the oven elements, which remain off.

USING THE 9 + 0 SWITCH

The 9 + 0 switch installed in the multifunction oven models is used, along with the thermostat, to control the electric fan

and the oven elements since they can be turned on by turning the 9 + 0 switch knob and the thermostat knob. Turning

just one of the two knobs will not have any effect on the oven except to turn on the oven light or the electric fan when

inserted. The electric oven is heated by 4 elements: one on the bottom, two on the top or one circular; turning the switch

knob (fig.27) turns on the element relative to the symbol indicated on the ring but to be activated the thermostat knob

must be turned until the orange light turns on indicating that the element has been turned on. Placing the switch knob on

any of the nine operating modes turns on the oven light, together with the relative element. Once the temperature and

the elements to be used have been set, the oven elements are turned on and off by the thermostat; therefore, it is normal

for the orange light to turn on and off while the oven is working.

To turn off the electric oven set the switch knob to position 0 to prevent the thermostat from controlling the elements.

Setting the thermostat knob to position 0 turns off the elements but it is still possible, using the switch, to turn on the

electric fan and the oven light.

The switch has 9 different fixed positions corresponding to 9 different types of oven operation:

- the symbol indicates that only the oven light is turned on;

- the symbol

indicates that the bottom element (1800W) and the top external element (1200W) have been turned

on;

- the symbol

indicates that only the top external element (1200W) has been turned on;

- the symbol indicates the only the bottom element (1800W) has been turned on;

- the symbol indicates that only the grill element (1800W) has been turned on;

- the symbol

indicates that the top external element (1200W) and the grill element (1800W) have been turned on;

- the symbol

indicates that the top external element (1200W), the grill element (1800W) and the electric fan have

been turned on;

- the symbol

indicates that the circular element (3000W) and the electric fan have been turned on;

- the symbol

indicates that only the electric fan has been turned on.

When the knob is set to one of these nine positions, the oven light is always on, thus indicating that the oven is being

energised.

USING THE NATURAL CONVENTIONAL ELECTRIC OVEN

When using the oven for the first time it should be operated for a maximum of 30 minutes at a temperature of about 250°

to eliminate any odours generated by the internal insulation. During normal oven use, select the desired cooking

temperature using the thermostat knob and wait until the orange light turns off before putting in any food. The oven is

equipped with 4 guides at different heights (fig.28) which can be used to insert shelves or the tray. To keep the oven as

clean as possible it is recommended to cook meat on the tray or on the shelf that has been inserted inside the tray. Table

No. 7 below lists the cooking times and the position of the tray for different types of foods. Personal experience will help

to determine any variations in the values reported in the table. In any case, it is recommended to follow the instructions of

the specific recipe being used.

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Bertazzoni M91 Installation Manual Page 8

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