Zanussi ZGF 648 Gebrauchsanweisung - Seite 7

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6. 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. 7), 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. 8). If changing from natural gas to LPG,
completely tighten clockwise the 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 - (*) suitable for G25 too.
BURNER
Auxiliary (small)
Semi-rapid (medium)
Rapid (big)
38
NORMAL
REDUCED
POWER
POWER
kW
kW
1
0,33
2
0,45
Natural gas :
3
0,65
LPG : 2,8
FO 0392
Fig. 7
By-pass
Table 1 : BY-pass diameters
Burner
Auxiliary
Semi-rapid
Rapid
NORMAL
NATURAL GAS
G20 - 20 mbar
3
inj. 1/100
m
/h
inj. 1/100 g/h - G30 g/h - G31
70*
0,095
96*
0,190
119*
0,286
screw
Ø By-pass
Tap
in 1/100
colour
of mm.
28
White
32
Blue
40
White/Red
POWER
LPG
28-30/37 mbar
50
72
71
145
86
203
Fig. 8
71
143
200