Foster Rondò Kristal Black.3F.STD Wartungshandbuch Seite 5

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11
A1 =Gas rail pipe
A2 =Gasket
A3 =Adjustable fitting
A4 =Rigid or flexible gas supply pipe
Exclusively use pipes that conform to UNI-CIG 9891 specifications and sealing gaskets that conform to UNI-CIG
9264 specifications. The pipes must be installed so that when fully extended, their length does not exceed 2,000
mm. To facilitate installation and avoid the risk of gas leaks, it is advisable to first connect the adjustable fitting to
the cooker hob then subsequently to the gas supply pipe. Inverting this sequence may not guarantee a gas-tight
connection between the pipe and hob.
Important: after completing installation, verify the perfect tightness of all the fittings using a soapy solution
- never a flame. Moreover, ensure that the flexible pipe does not lie in the path of moving parts in the
underlying cabinet (e.g. drawers) and that its position safeguards it against possible damage.
ADJUSTMENT FOR DIFFERENT TYPES OF GAS
To adjust the gas hob for a different type of gas to that originally intended, follow the steps below in the sequence
indicated:
Remove the pan support and burner.
Unscrew the injectors ( M ) using a suitable plug spanner and replace them with injectors whose diameter is
appropriate for the type of gas to be used (see the “Burner specifications” table).
After completing the procedure, replace the old calibration plate with the one provided relative to the new
installation.
BURNER SPECIFICATIONS
Burners
A
SR
R
Rated heat input kW
1
1.75
3.00
Reduced heat input kW
0.45
0.70
1.00
minimum heat input DE-AT kW
0.55
0.90
1.30
Ø INJECTOR:
G30/G31 28..30/30-37 mbar mm
0.50
0.65
0.85
G30/G31 50 mbar mm
0.43
0.58
0.75
G20 20 mbar mm
0.72
0.97
1.15
G25 25 mbar mm
0.72
0.94
1.21
G25 20 mbar mm
0.77
1.00
1.34
G110 8 mbar mm
1.45
1.85
2.60
G120 8 mbar mm
1.40
1.80
2.40
Ø BY-PASS:
G30/G31 28..30/30-37 mbar mm
0.28
0.31
0.42
G30/G31 50 mbar mm
0.28
0.31
0.42
G20 20 mbar mm
Adj.
Adj.
Adj.
G25 25 mbar mm
Adj.
Adj.
Adj.
G25 20 mbar mm
Adj.
Adj.
Adj.
G110 8 mbar mm
Adj.
Adj.
Adj.
G120 8 mbar mm
Adj.
Adj.
Adj.
HOB SPECIFICATIONS
Model
Total power output
(kW)
Consumption
G30 g/h
G20 m³/h
G25 m³/h
G110 m³/h
G120 m³/h
7052 - 142/642
5.75
601
0.78
0.91
1.87
1.67
MINIMUM FLOW ADJUSTMENT
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