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Minimum Setting or Turn Down
This unit has been set at the factory for NG but can be checked after the correct pressure has been reached.
To adjust the minimum setting you will need a Ø 2.5mm x 45mm screwdriver.
1. Ignite the burner and set the control to its minimum position.
2. Remove the control.
3. FOR NG (G20 G25)
Rotate the turn down screw slowly until a minimum regular flame is achieved. (The flame will diminish when
the screw is turned clockwise and increase when turned anti-clockwise.
FOR LP Gas (G30 G31)
Rotate the turn down screw clockwise until it comes to a stop, this is the fixed turn down position for
LP Gas.
4. Replace the control.
5. When the setting is right check regulation by quickly rotating the control from the maximum to the
minimum delivery position. The flame must not go out and remain stable throughout the range.
Burner Configuration
Gas Category
LPG (Supplied in accessory pack)
NG (Fitted on unit)
G30
G20
GB: II
2H/3 +
28 – 30/37 mbar
20 mbar
Large Burner (Front Left)
Injector dia. (mm)
85
115
Nominal Rating (kw)
3
3
Consumption in 1 h
(at 15°C and 1013 mbar press)
218.1 gr/h
285.7 It/h
Small Burner (Front Right)
Injector dia. (mm)
50
72
Nominal Rating (kw)
1
1
Consumption in 1 h
(at 15°C and 1013 mbar press)
72.7 gr/h
95.2 It/h
Medium Burner (Rear Left And Right)
Injector dia. (mm)
65
97
Nominal Rating (kw)
1.75
1.75
Consumption in 1 h
(at 15°C and 1013 mbar press)
127.2 gr/h
166.7 It/h
LGHOBX12_IB_120601_Annie(Check).indd 19
12年6月1日 下午5:14