26
Gas Conversion
■ Be careful, the operations and adjustments to be carried out when converting
from one gas to another.
■ All work must be carried out by a qualified technician.
■ Before you begin, turn off the gas and electricity supply to the appliance.
Change the injector of the burners.
1
Remove the pan support, Burner lid and Flame spreader.
Unscrew the injector using a 7mm box spanner and replace it with
the stipulated injector for new gas supply. ( see table 1. Page 27.)
Carefully reassemble the all components.
After injectors are replaced, it is advisable to strongly tighten the
injector in place.
Adjusting of the taps of the cooking hob burners for
reduced consumption
2
➀
Turn the taps down to minimum.
➁
Remove the control handles from taps.
➂
Adjusting the by-pass screw.
- For converting G20 into G30 or G31, the screw must
be screwed down fully tight.
- At this stage, light up the burners and turn the
control handles from max position to minimum
position to check flame stability.
- For converting G30 or G31 into G20, please contact
“After-Sales Service”.
➃
Replace the control handles on the taps.
Injector
Control handle
Tap
Sealing ring
Tap
by-pass screw
■ Do not dismantle the tap shaft : in the event of a malfunction, change the whole tap.
■ Before placing the burners back on the top place, make sure that the injector is
not blocked.
■ A full operational test and a test for possible leakages must be carried out after
gas conversion. (such as soap water or gas detector)
■ After completing conversion, a qualified technician or installer has to mark “V”
on the right gas category
to match with the setting
in rating plate.
Remove the previous
setting “V” mark.
GN642HFGD
S/N: A36579MZ400007A
G20/20mbar
220-240V 50/60Hz, Pmax 1W
∑Qn Q20: 7.5kW G30: 521g/h G31: 503g/h
G20-20mbar G30/29mbar G31/37mbar
GB Cat.: ll 2H3+
0063
27
Burner Features
Nominal heat input and flow rates see below at 15˚C at 1,013 mbar.
(Table 1)
COUN-
TRY
TYPE OF
GAS
BURNER
Triple-Crown
Rapid
Semi-rapid
Auxiliary
Total
POSITION
Max Min Max Min Max Min Max Min
GB,IT
FR,HU
BE,LT
NL,PT
ES,CZ
SK
G-30
BUTANE
29 mbar
Injector make
(1/100 mm)
88
85
65
50
-
Nominal heat input
(Kw)
3.0 1.25 3.0
0.74 1,75 0.43
1.0
0.37
7.5
Nominal flow rates
(g/h)
211.1 35
211
53
120
31
71
25
PL
G-30
BUTANE
37 mbar
Injector make
(1/100 mm)
80
80
62
47
-
Nominal heat input
(Kw)
3.0 1.28 3.0
0.81 1,75 0.47
1.0
0.38
7.5
Nominal flow rates
(g/h)
203.4 35
203
58
125
33
71
25
GB,IT
FR,BE
LT,PT
ES,CZ
SK
G-31
PROPANE
37 mbar
Injector make
(1/100 mm)
88
85
65
50
-
Nominal heat input
(Kw)
3.0 1.25 3.0
0.71 1,75 0.41
1.0
0.33
7.5
Nominal flow rates
(g/h)
199.4 45
199
49
118
28
68
23
GB,IT
FR,BE
LT,PT
PL,ES
CZ,SK
G-20
NATURAL
20 mbar
Injector make
(1/100 mm)
130
119
97
72
-
Nominal heat rating
(Kw)
3.0 1.25 3.0
1.14 1,75 0.63
1.0
0.45
7.5
Nominal flow rates
(L/h)
271 118 271
79
166
54
91
30
HU
G-20
NATURAL
25 mbar
Injector make
(1/100 mm)
125
110
91
68
-
Nominal heat input
(Kw)
3.0 1.31 3.0
1.33 1,75 0.57
1.0
0.49
7.5
Nominal flow rates
(L/h)
271 124 271
79
166
54
91
30
Burner
Calibrated orifice 1/100mm
Auxiliary
31
Semi-rapid
34
Rapid
43
Triple-Crown
60
- Aeration adjustment none
