Zanussi ZGG 643 Instruction Booklet

Also see for ZGG 643: Operating instructions

Contents

INJECTORS REPLACEMENT• Remove the pan supports.• Remove the burner's caps and crowns.• With a socket spanner 7 unscrew and remove theinjectors (Fig. 6), and replace them with the onesrequired for the type of gas in use (see table 2).• Reassemble the parts, following the same procedu-re backwards.• Replace the rating label (placed near the gas supplypipe) with the relevant one for the new type of gassupply. You can find this label in the package of theinjectors supplied with the appliance.Should the feeding gas pressure be different orvariable compared with the required pressure, anappropriate pressure adjuster must be fitted on the gassupply pipe, in compliance with the rules in force.6. Adaptation to different types of gasFig. 6 FO 0392ADJUSTMENT OF MINIMUM LEVELTo adjust the minimum level of the burners, proceed asfollows:• Light the burner.• Turn the knob on the minimum position.• Remove the knob.• With a thin screwdriver, adjust the by-pass screw(see Fig. 7). If changing from natural gas to LPG,completely tighten clockwise the screw, until a smallregular flame is obtained.• Finally check the flame does not go out when quicklyturning the knob from the maximum position to theminimum position.This procedure can easily be carried out, anyhow thehob has been positioned or built in the working top.BURNER NORMAL REDUCED NORMALPOWER POWER POWERkW kW NATURAL GAS G20 - 20 mbar LPGG25 - 25 mbar 28/37 mbarinj. 1/100 m3 /h inj. 1/100 g/hAuxiliary (small) 1 0,33 70 0,095 50 72Semi-rapid (medium) 1,9 0,45 96 0,181 71 137Natural gas :Rapid (big) 2,9 0,65 119 0,276 86 195LPG : 2,7Burner Ø By-passin 1/100of mm.Auxiliary 28Semi-rapid 32Rapid 40Table 1 : By-pass diametersTable 2 : injectorsFig. 7By-pass screwV

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