Zanussi ZGL 646 Talimat Kitapçığı - Sayfa 11

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Adaptation to different types of gas

Injectors replacement
• Remove the pan supports.
• Remove the burner's caps and crowns.
• With a socket spanner 7 unscrew and remove the
injectors (Fig. 5), and replace them with the ones
required 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 supply
pipe) with the relevant one for the new type of gas
supply. You can find this label in the package of the
injectors supplied with the appliance.
Should the feeding gas pressure be different or variable
compared with the required pressure, an appropriate
pressure adjuster must be fitted on the gas supply pipe,
in compliance with the rules in force.
Adjustment of minimum level
To adjust the minimum level of the burners, proceed as
follows:
•
Light the burner.
•
Turn the knob on the minimum position.
•
Remove the knob.
•
With a thin screwdriver, adjust the by-pass screw
(see Fig. 6). If changing from natural gas to LPG,
completely tighten clockwise the screw, until a
small regular flame is obtained. If changing from
LPG 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 when
quickly turning the knob from the maximum position
to the minimum position.
This procedure can easily be carried out, anyhow the hob
has been positioned or built in the working top.
Table 2 : injectors
TYPE
TYPE OF
OF GAS
BURNER
NATURAL
Rapid (large)
GAS
Semi-rapid (medium)
G 20
Auxiliary (small)
Rapid (large)
LPG
(Buthane/
Semi-rapid (medium)
Propane)
Auxiliary (small)
INJECTORS
NOMINAL
MARKS
POWER
1/100 mm
INPUT
K W
119
3,0
96
2,0
70
1,0
86
2,8
71
2,0
50
1,0
FO 0392
Fig. 5
Fig. 6
By-pass screws
Table 1 : By-pass diameters
Burner
Rapid
Semi-rapid
Auxiliary
REDUCED
POWER
k W
m
0,65
0,286
0,45
0,190
0,33
0,095
0,65
0,45
0,33
Ø By-pass
in 1/100
of mm.
40
32
28
NOMINAL
NOMINAL
POWER
PRESSURE
mbar
/h
g/h
3
-
-
20
-
-
202
-
144
30
-
72
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