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12
Installation instructions
Converting to a different gas type
Important!
Gas conversion may only be carried out by a suitably qualified person.
To convert from one gas type to another, you need to replace the injectors and adjust the
minimum burner setting.
To replace the injectors, you will need a 7 mm box spanner (and a 10 mm ring spanner for
CG905DWAC models). These are not supplied.
1
Switch the power supply to the cooktop off at at the wall.
Important!
Disconnect cooktop from the power supply before continuing.
2
Make sure each control dial is turned to O (OFF).
3
Remove all the pan supports and burner heads.
4
Pull off the control dials.
5
Using a 7 mm box spanner, remove the injectors and replace them with the correct ones
(size numbers are stamped on the inside, eg 70=0.70 mm). Hold on to the card housing the
replacement injectors for later use.
CG905DWAC only
6
Remove all the screws holding the burners in place.
7
Carefully lift the hob tray off the cooktop.
Important!
Beware of sharp edges.
8
Replace the wok burner injector with the correct one using a 10 mm ring spanner.
9
Reset the venturi. Loosen the venturi screw, move the venturi towards the injector approx.
2 mm.
10
Refit the hob tray on the cooktop, repeating steps 6 and 7 in reverse.
11
Check insulation resistance and earth continuity.
12
Switch the power supply to the cooktop back on at the wall.
13
Refit the control dials.
14
Adjust the minimum burner setting. See section ‘Adjusting the minimum burner setting’
following.
15
Check that all burners have a good flame (Fig.4).
16
To indicate the gas type change, peel the adhesive label off the replacement injector card and
stick it into the framed ‘gas type’ area on the appliance data label (on the underside of the
cooktop). A second conversion label should also be affixed to the duplicate appliance data label.
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