Zanussi ZGO78520BA Manuel de l'utilisateur - Page 7

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Please refer to the technical

instructions on how to adjust the hob

to the gas specifications on Malta.

This appliance is certified for Malta.

Make sure that, once the hob is installed, it is easily

accessible for the engineer in the event of a

breakdown.

The manufacturer will not accept liability, should the

above instructions or any of the other safety

instructions incorporated in this instruction booklet

be ignored.

On the end of the shaft, which includes the R 1/2"

threaded elbow, adjustment is fixed so that the

washer is fitted between the components as shown

in the diagram. Screw the parts together without

using excessive force.

B C

A. End of shaft with nut

B. Washer supplied with the appliance

C. Elbow supplied with the appliance

Connection to the gas supply should be with either

rigid or semi-rigid pipe, i.e. steel or copper.

The connection should be suitable for connecting

to R 1/2 (1/2 BSP male thread).

When the final connection has been made, it is

essential that a thorough leak test is carried out on

the hob and installation.

Make sure that the main connection pipe does not

exert any strain on the hob.

If you use flexible metal pipes make sure that they

agree to ISO 10380 and ISO 10807 standards. Be

careful they do not come in touch with mobile parts

or they are not squeezed. Also be careful when the

hob is put together with an oven.

CAUTION! It is important to install the

elbow correctly, with the shoulder on

the end of the thread, fitted to the hob

connecting pipe.

CAUTION! Failure to ensure the

correct assembly will cause leakage of

gas.

CAUTION! Make sure that the gas

supply pressure of the appliance

obeys the recommended values.

Rigid connection:

Carry out connection by using metal rigid pipes

(copper with mechanical end).

INJECTORS REPLACEMENT

1. Remove the pan supports.

2. Remove the caps and crowns of the burner.

3. With a socket spanner 7 remove the injectors

and replace them with the ones which are

necessary for the type of gas you use (see

table in "Technical Data" chapter).

4. Assemble the parts, follow the same procedure

backwards.

5. Replace the rating plate (it is near the gas

supply pipe) with the one for the new type of

gas supply. You can find this plate in the

package supplied with the appliance.

If the supply gas pressure is changeable or

different from the necessary pressure, you must fit

an applicable pressure adjuster on the gas supply

pipe.

ADJUSTMENT OF MINIMUM LEVEL

To adjust the minimum level of the burners:

1. Light the burner.

2. Turn the knob on the minimum position.

3. Remove the knob.

4. With a thin screwdriver, adjust the bypass

screw position (A).

5. If you change:

•

from natural gas G20 20 mbar to liquid gas,

fully tighten the bypass screw in.

•

from liquid gas to natural gas G20 20 mbar,

undo the bypass screw approximately 1/4

of a turn (1/2 of a turn for Multi Crown

burner).