Zanussi ZGL 646 Instruction Booklet

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Contents

Zanussi ZGL 646 Instruction Booklet Manual pdf 8 page image

8Injectors replacement• Remove the pan supports.• Remove the burner's caps and crowns.• With a socket spanner 7 unscrew and remove theinjectors (Fig. 7), 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 or variablecompared with the required pressure, an appropriatepressure adjuster must be fitted on the gas supply pipe,in compliance with the rules in force.Adjustment 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. 8). If changing from natural gas to LPG,completely tighten clockwise the screw, until asmall regular flame is obtained. If changing fromLPG to natural gas unscrew about 1/4 turn the by-pass screw, until a small regular flame is obtained.• Finally check the flame does not go out whenquickly turning the knob from the maximum positionto the minimum position.This procedure can easily be carried out, anyhow the hobhas been positioned or built in the working top.Fig. 7 FO 0392Burner Ø By-passin 1/100of mm.Auxiliary 28Semi-rapid 32Rapid 40Table 1 : By-pass diametersTable 2 : injectorsFig. 8Adaptation to different types of gasBy-pass screwsTYPE TYPE OF INJECTORS NOMINAL REDUCED NOMINAL NOMINALOF GAS BURNER MARKS POWER POWER POWER PRESSURE1/100 mm INPUT k W mbarK W m3/h g/hRapid (large) 119 3,0 0,65 0,286 -Semi-rapid (medium) 96 2,0 0,45 0,190 - 20Auxiliary (small) 70 1,0 0,33 0,095 -Rapid (large) 86 2,8 0,65 - 204Semi-rapid (medium) 71 2,0 0,45 - 145 30/30Auxiliary (small) 50 1,0 0,33 - 73NATURALGASG 20LPG(Buthane/Propane)

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